diff --git a/libphobos/libdruntime/core/stdc/errno.d b/libphobos/libdruntime/core/stdc/errno.d
index 8f9b64a2dce..eaf4867a942 100644
--- a/libphobos/libdruntime/core/stdc/errno.d
+++ b/libphobos/libdruntime/core/stdc/errno.d
@@ -23,6 +23,21 @@ else version (TVOS)
 else version (WatchOS)
     version = Darwin;
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 @trusted: // Only manipulates errno.
 nothrow:
 @nogc:
@@ -200,213 +215,7 @@ else version (linux)
     enum EDOM               = 33; ///
     enum ERANGE             = 34; ///
 
-    version (X86)
-    {
-        enum EDEADLK            = 35;         ///
-        enum ENAMETOOLONG       = 36;         ///
-        enum ENOLCK             = 37;         ///
-        enum ENOSYS             = 38;         ///
-        enum ENOTEMPTY          = 39;         ///
-        enum ELOOP              = 40;         ///
-        enum EWOULDBLOCK        = EAGAIN;     ///
-        enum ENOMSG             = 42;         ///
-        enum EIDRM              = 43;         ///
-        enum ECHRNG             = 44;         ///
-        enum EL2NSYNC           = 45;         ///
-        enum EL3HLT             = 46;         ///
-        enum EL3RST             = 47;         ///
-        enum ELNRNG             = 48;         ///
-        enum EUNATCH            = 49;         ///
-        enum ENOCSI             = 50;         ///
-        enum EL2HLT             = 51;         ///
-        enum EBADE              = 52;         ///
-        enum EBADR              = 53;         ///
-        enum EXFULL             = 54;         ///
-        enum ENOANO             = 55;         ///
-        enum EBADRQC            = 56;         ///
-        enum EBADSLT            = 57;         ///
-        enum EDEADLOCK          = EDEADLK;    ///
-        enum EBFONT             = 59;         ///
-        enum ENOSTR             = 60;         ///
-        enum ENODATA            = 61;         ///
-        enum ETIME              = 62;         ///
-        enum ENOSR              = 63;         ///
-        enum ENONET             = 64;         ///
-        enum ENOPKG             = 65;         ///
-        enum EREMOTE            = 66;         ///
-        enum ENOLINK            = 67;         ///
-        enum EADV               = 68;         ///
-        enum ESRMNT             = 69;         ///
-        enum ECOMM              = 70;         ///
-        enum EPROTO             = 71;         ///
-        enum EMULTIHOP          = 72;         ///
-        enum EDOTDOT            = 73;         ///
-        enum EBADMSG            = 74;         ///
-        enum EOVERFLOW          = 75;         ///
-        enum ENOTUNIQ           = 76;         ///
-        enum EBADFD             = 77;         ///
-        enum EREMCHG            = 78;         ///
-        enum ELIBACC            = 79;         ///
-        enum ELIBBAD            = 80;         ///
-        enum ELIBSCN            = 81;         ///
-        enum ELIBMAX            = 82;         ///
-        enum ELIBEXEC           = 83;         ///
-        enum EILSEQ             = 84;         ///
-        enum ERESTART           = 85;         ///
-        enum ESTRPIPE           = 86;         ///
-        enum EUSERS             = 87;         ///
-        enum ENOTSOCK           = 88;         ///
-        enum EDESTADDRREQ       = 89;         ///
-        enum EMSGSIZE           = 90;         ///
-        enum EPROTOTYPE         = 91;         ///
-        enum ENOPROTOOPT        = 92;         ///
-        enum EPROTONOSUPPORT    = 93;         ///
-        enum ESOCKTNOSUPPORT    = 94;         ///
-        enum EOPNOTSUPP         = 95;         ///
-        enum ENOTSUP            = EOPNOTSUPP; ///
-        enum EPFNOSUPPORT       = 96;         ///
-        enum EAFNOSUPPORT       = 97;         ///
-        enum EADDRINUSE         = 98;         ///
-        enum EADDRNOTAVAIL      = 99;         ///
-        enum ENETDOWN           = 100;        ///
-        enum ENETUNREACH        = 101;        ///
-        enum ENETRESET          = 102;        ///
-        enum ECONNABORTED       = 103;        ///
-        enum ECONNRESET         = 104;        ///
-        enum ENOBUFS            = 105;        ///
-        enum EISCONN            = 106;        ///
-        enum ENOTCONN           = 107;        ///
-        enum ESHUTDOWN          = 108;        ///
-        enum ETOOMANYREFS       = 109;        ///
-        enum ETIMEDOUT          = 110;        ///
-        enum ECONNREFUSED       = 111;        ///
-        enum EHOSTDOWN          = 112;        ///
-        enum EHOSTUNREACH       = 113;        ///
-        enum EALREADY           = 114;        ///
-        enum EINPROGRESS        = 115;        ///
-        enum ESTALE             = 116;        ///
-        enum EUCLEAN            = 117;        ///
-        enum ENOTNAM            = 118;        ///
-        enum ENAVAIL            = 119;        ///
-        enum EISNAM             = 120;        ///
-        enum EREMOTEIO          = 121;        ///
-        enum EDQUOT             = 122;        ///
-        enum ENOMEDIUM          = 123;        ///
-        enum EMEDIUMTYPE        = 124;        ///
-        enum ECANCELED          = 125;        ///
-        enum ENOKEY             = 126;        ///
-        enum EKEYEXPIRED        = 127;        ///
-        enum EKEYREVOKED        = 128;        ///
-        enum EKEYREJECTED       = 129;        ///
-        enum EOWNERDEAD         = 130;        ///
-        enum ENOTRECOVERABLE    = 131;        ///
-        enum ERFKILL            = 132;        ///
-        enum EHWPOISON          = 133;        ///
-    }
-    else version (X86_64)
-    {
-        enum EDEADLK            = 35;         ///
-        enum ENAMETOOLONG       = 36;         ///
-        enum ENOLCK             = 37;         ///
-        enum ENOSYS             = 38;         ///
-        enum ENOTEMPTY          = 39;         ///
-        enum ELOOP              = 40;         ///
-        enum EWOULDBLOCK        = EAGAIN;     ///
-        enum ENOMSG             = 42;         ///
-        enum EIDRM              = 43;         ///
-        enum ECHRNG             = 44;         ///
-        enum EL2NSYNC           = 45;         ///
-        enum EL3HLT             = 46;         ///
-        enum EL3RST             = 47;         ///
-        enum ELNRNG             = 48;         ///
-        enum EUNATCH            = 49;         ///
-        enum ENOCSI             = 50;         ///
-        enum EL2HLT             = 51;         ///
-        enum EBADE              = 52;         ///
-        enum EBADR              = 53;         ///
-        enum EXFULL             = 54;         ///
-        enum ENOANO             = 55;         ///
-        enum EBADRQC            = 56;         ///
-        enum EBADSLT            = 57;         ///
-        enum EDEADLOCK          = EDEADLK;    ///
-        enum EBFONT             = 59;         ///
-        enum ENOSTR             = 60;         ///
-        enum ENODATA            = 61;         ///
-        enum ETIME              = 62;         ///
-        enum ENOSR              = 63;         ///
-        enum ENONET             = 64;         ///
-        enum ENOPKG             = 65;         ///
-        enum EREMOTE            = 66;         ///
-        enum ENOLINK            = 67;         ///
-        enum EADV               = 68;         ///
-        enum ESRMNT             = 69;         ///
-        enum ECOMM              = 70;         ///
-        enum EPROTO             = 71;         ///
-        enum EMULTIHOP          = 72;         ///
-        enum EDOTDOT            = 73;         ///
-        enum EBADMSG            = 74;         ///
-        enum EOVERFLOW          = 75;         ///
-        enum ENOTUNIQ           = 76;         ///
-        enum EBADFD             = 77;         ///
-        enum EREMCHG            = 78;         ///
-        enum ELIBACC            = 79;         ///
-        enum ELIBBAD            = 80;         ///
-        enum ELIBSCN            = 81;         ///
-        enum ELIBMAX            = 82;         ///
-        enum ELIBEXEC           = 83;         ///
-        enum EILSEQ             = 84;         ///
-        enum ERESTART           = 85;         ///
-        enum ESTRPIPE           = 86;         ///
-        enum EUSERS             = 87;         ///
-        enum ENOTSOCK           = 88;         ///
-        enum EDESTADDRREQ       = 89;         ///
-        enum EMSGSIZE           = 90;         ///
-        enum EPROTOTYPE         = 91;         ///
-        enum ENOPROTOOPT        = 92;         ///
-        enum EPROTONOSUPPORT    = 93;         ///
-        enum ESOCKTNOSUPPORT    = 94;         ///
-        enum EOPNOTSUPP         = 95;         ///
-        enum ENOTSUP            = EOPNOTSUPP; ///
-        enum EPFNOSUPPORT       = 96;         ///
-        enum EAFNOSUPPORT       = 97;         ///
-        enum EADDRINUSE         = 98;         ///
-        enum EADDRNOTAVAIL      = 99;         ///
-        enum ENETDOWN           = 100;        ///
-        enum ENETUNREACH        = 101;        ///
-        enum ENETRESET          = 102;        ///
-        enum ECONNABORTED       = 103;        ///
-        enum ECONNRESET         = 104;        ///
-        enum ENOBUFS            = 105;        ///
-        enum EISCONN            = 106;        ///
-        enum ENOTCONN           = 107;        ///
-        enum ESHUTDOWN          = 108;        ///
-        enum ETOOMANYREFS       = 109;        ///
-        enum ETIMEDOUT          = 110;        ///
-        enum ECONNREFUSED       = 111;        ///
-        enum EHOSTDOWN          = 112;        ///
-        enum EHOSTUNREACH       = 113;        ///
-        enum EALREADY           = 114;        ///
-        enum EINPROGRESS        = 115;        ///
-        enum ESTALE             = 116;        ///
-        enum EUCLEAN            = 117;        ///
-        enum ENOTNAM            = 118;        ///
-        enum ENAVAIL            = 119;        ///
-        enum EISNAM             = 120;        ///
-        enum EREMOTEIO          = 121;        ///
-        enum EDQUOT             = 122;        ///
-        enum ENOMEDIUM          = 123;        ///
-        enum EMEDIUMTYPE        = 124;        ///
-        enum ECANCELED          = 125;        ///
-        enum ENOKEY             = 126;        ///
-        enum EKEYEXPIRED        = 127;        ///
-        enum EKEYREVOKED        = 128;        ///
-        enum EKEYREJECTED       = 129;        ///
-        enum EOWNERDEAD         = 130;        ///
-        enum ENOTRECOVERABLE    = 131;        ///
-        enum ERFKILL            = 132;        ///
-        enum EHWPOISON          = 133;        ///
-    }
-    else version (ARM)
+    version (X86_Any)
     {
         enum EDEADLK            = 35;         ///
         enum ENAMETOOLONG       = 36;         ///
@@ -509,7 +318,7 @@ else version (linux)
         enum ERFKILL            = 132;        ///
         enum EHWPOISON          = 133;        ///
     }
-    else version (AArch64)
+    else version (ARM_Any)
     {
         enum EDEADLK            = 35;         ///
         enum ENAMETOOLONG       = 36;         ///
@@ -612,112 +421,7 @@ else version (linux)
         enum ERFKILL            = 132;        ///
         enum EHWPOISON          = 133;        ///
     }
-    else version (MIPS32)
-    {
-        enum ENOMSG             = 35;         ///
-        enum EIDRM              = 36;         ///
-        enum ECHRNG             = 37;         ///
-        enum EL2NSYNC           = 38;         ///
-        enum EL3HLT             = 39;         ///
-        enum EL3RST             = 40;         ///
-        enum ELNRNG             = 41;         ///
-        enum EUNATCH            = 42;         ///
-        enum ENOCSI             = 43;         ///
-        enum EL2HLT             = 44;         ///
-        enum EDEADLK            = 45;         ///
-        enum ENOLCK             = 46;         ///
-        enum EBADE              = 50;         ///
-        enum EBADR              = 51;         ///
-        enum EXFULL             = 52;         ///
-        enum ENOANO             = 53;         ///
-        enum EBADRQC            = 54;         ///
-        enum EBADSLT            = 55;         ///
-        enum EDEADLOCK          = 56;         ///
-        enum EBFONT             = 59;         ///
-        enum ENOSTR             = 60;         ///
-        enum ENODATA            = 61;         ///
-        enum ETIME              = 62;         ///
-        enum ENOSR              = 63;         ///
-        enum ENONET             = 64;         ///
-        enum ENOPKG             = 65;         ///
-        enum EREMOTE            = 66;         ///
-        enum ENOLINK            = 67;         ///
-        enum EADV               = 68;         ///
-        enum ESRMNT             = 69;         ///
-        enum ECOMM              = 70;         ///
-        enum EPROTO             = 71;         ///
-        enum EDOTDOT            = 73;         ///
-        enum EMULTIHOP          = 74;         ///
-        enum EBADMSG            = 77;         ///
-        enum ENAMETOOLONG       = 78;         ///
-        enum EOVERFLOW          = 79;         ///
-        enum ENOTUNIQ           = 80;         ///
-        enum EBADFD             = 81;         ///
-        enum EREMCHG            = 82;         ///
-        enum ELIBACC            = 83;         ///
-        enum ELIBBAD            = 84;         ///
-        enum ELIBSCN            = 85;         ///
-        enum ELIBMAX            = 86;         ///
-        enum ELIBEXEC           = 87;         ///
-        enum EILSEQ             = 88;         ///
-        enum ENOSYS             = 89;         ///
-        enum ELOOP              = 90;         ///
-        enum ERESTART           = 91;         ///
-        enum ESTRPIPE           = 92;         ///
-        enum ENOTEMPTY          = 93;         ///
-        enum EUSERS             = 94;         ///
-        enum ENOTSOCK           = 95;         ///
-        enum EDESTADDRREQ       = 96;         ///
-        enum EMSGSIZE           = 97;         ///
-        enum EPROTOTYPE         = 98;         ///
-        enum ENOPROTOOPT        = 99;         ///
-        enum EPROTONOSUPPORT    = 120;        ///
-        enum ESOCKTNOSUPPORT    = 121;        ///
-        enum EOPNOTSUPP         = 122;        ///
-        enum ENOTSUP            = EOPNOTSUPP; ///
-        enum EPFNOSUPPORT       = 123;        ///
-        enum EAFNOSUPPORT       = 124;        ///
-        enum EADDRINUSE         = 125;        ///
-        enum EADDRNOTAVAIL      = 126;        ///
-        enum ENETDOWN           = 127;        ///
-        enum ENETUNREACH        = 128;        ///
-        enum ENETRESET          = 129;        ///
-        enum ECONNABORTED       = 130;        ///
-        enum ECONNRESET         = 131;        ///
-        enum ENOBUFS            = 132;        ///
-        enum EISCONN            = 133;        ///
-        enum ENOTCONN           = 134;        ///
-        enum EUCLEAN            = 135;        ///
-        enum ENOTNAM            = 137;        ///
-        enum ENAVAIL            = 138;        ///
-        enum EISNAM             = 139;        ///
-        enum EREMOTEIO          = 140;        ///
-        enum EINIT              = 141;        ///
-        enum EREMDEV            = 142;        ///
-        enum ESHUTDOWN          = 143;        ///
-        enum ETOOMANYREFS       = 144;        ///
-        enum ETIMEDOUT          = 145;        ///
-        enum ECONNREFUSED       = 146;        ///
-        enum EHOSTDOWN          = 147;        ///
-        enum EHOSTUNREACH       = 148;        ///
-        enum EWOULDBLOCK        = EAGAIN;     ///
-        enum EALREADY           = 149;        ///
-        enum EINPROGRESS        = 150;        ///
-        enum ESTALE             = 151;        ///
-        enum ECANCELED          = 158;        ///
-        enum ENOMEDIUM          = 159;        ///
-        enum EMEDIUMTYPE        = 160;        ///
-        enum ENOKEY             = 161;        ///
-        enum EKEYEXPIRED        = 162;        ///
-        enum EKEYREVOKED        = 163;        ///
-        enum EKEYREJECTED       = 164;        ///
-        enum EOWNERDEAD         = 165;        ///
-        enum ENOTRECOVERABLE    = 166;        ///
-        enum ERFKILL            = 167;        ///
-        enum EHWPOISON          = 168;        ///
-        enum EDQUOT             = 1133;       ///
-    }
-    else version (MIPS64)
+    else version (MIPS_Any)
     {
         enum ENOMSG             = 35;         ///
         enum EIDRM              = 36;         ///
@@ -822,110 +526,7 @@ else version (linux)
         enum EHWPOISON          = 168;        ///
         enum EDQUOT             = 1133;       ///
     }
-    else version (PPC)
-    {
-        enum EDEADLK            = 35;         ///
-        enum ENAMETOOLONG       = 36;         ///
-        enum ENOLCK             = 37;         ///
-        enum ENOSYS             = 38;         ///
-        enum ENOTEMPTY          = 39;         ///
-        enum ELOOP              = 40;         ///
-        enum EWOULDBLOCK        = EAGAIN;     ///
-        enum ENOMSG             = 42;         ///
-        enum EIDRM              = 43;         ///
-        enum ECHRNG             = 44;         ///
-        enum EL2NSYNC           = 45;         ///
-        enum EL3HLT             = 46;         ///
-        enum EL3RST             = 47;         ///
-        enum ELNRNG             = 48;         ///
-        enum EUNATCH            = 49;         ///
-        enum ENOCSI             = 50;         ///
-        enum EL2HLT             = 51;         ///
-        enum EBADE              = 52;         ///
-        enum EBADR              = 53;         ///
-        enum EXFULL             = 54;         ///
-        enum ENOANO             = 55;         ///
-        enum EBADRQC            = 56;         ///
-        enum EBADSLT            = 57;         ///
-        enum EDEADLOCK          = 58;         ///
-        enum EBFONT             = 59;         ///
-        enum ENOSTR             = 60;         ///
-        enum ENODATA            = 61;         ///
-        enum ETIME              = 62;         ///
-        enum ENOSR              = 63;         ///
-        enum ENONET             = 64;         ///
-        enum ENOPKG             = 65;         ///
-        enum EREMOTE            = 66;         ///
-        enum ENOLINK            = 67;         ///
-        enum EADV               = 68;         ///
-        enum ESRMNT             = 69;         ///
-        enum ECOMM              = 70;         ///
-        enum EPROTO             = 71;         ///
-        enum EMULTIHOP          = 72;         ///
-        enum EDOTDOT            = 73;         ///
-        enum EBADMSG            = 74;         ///
-        enum EOVERFLOW          = 75;         ///
-        enum ENOTUNIQ           = 76;         ///
-        enum EBADFD             = 77;         ///
-        enum EREMCHG            = 78;         ///
-        enum ELIBACC            = 79;         ///
-        enum ELIBBAD            = 80;         ///
-        enum ELIBSCN            = 81;         ///
-        enum ELIBMAX            = 82;         ///
-        enum ELIBEXEC           = 83;         ///
-        enum EILSEQ             = 84;         ///
-        enum ERESTART           = 85;         ///
-        enum ESTRPIPE           = 86;         ///
-        enum EUSERS             = 87;         ///
-        enum ENOTSOCK           = 88;         ///
-        enum EDESTADDRREQ       = 89;         ///
-        enum EMSGSIZE           = 90;         ///
-        enum EPROTOTYPE         = 91;         ///
-        enum ENOPROTOOPT        = 92;         ///
-        enum EPROTONOSUPPORT    = 93;         ///
-        enum ESOCKTNOSUPPORT    = 94;         ///
-        enum EOPNOTSUPP         = 95;         ///
-        enum ENOTSUP            = EOPNOTSUPP; ///
-        enum EPFNOSUPPORT       = 96;         ///
-        enum EAFNOSUPPORT       = 97;         ///
-        enum EADDRINUSE         = 98;         ///
-        enum EADDRNOTAVAIL      = 99;         ///
-        enum ENETDOWN           = 100;        ///
-        enum ENETUNREACH        = 101;        ///
-        enum ENETRESET          = 102;        ///
-        enum ECONNABORTED       = 103;        ///
-        enum ECONNRESET         = 104;        ///
-        enum ENOBUFS            = 105;        ///
-        enum EISCONN            = 106;        ///
-        enum ENOTCONN           = 107;        ///
-        enum ESHUTDOWN          = 108;        ///
-        enum ETOOMANYREFS       = 109;        ///
-        enum ETIMEDOUT          = 110;        ///
-        enum ECONNREFUSED       = 111;        ///
-        enum EHOSTDOWN          = 112;        ///
-        enum EHOSTUNREACH       = 113;        ///
-        enum EALREADY           = 114;        ///
-        enum EINPROGRESS        = 115;        ///
-        enum ESTALE             = 116;        ///
-        enum EUCLEAN            = 117;        ///
-        enum ENOTNAM            = 118;        ///
-        enum ENAVAIL            = 119;        ///
-        enum EISNAM             = 120;        ///
-        enum EREMOTEIO          = 121;        ///
-        enum EDQUOT             = 122;        ///
-        enum ENOMEDIUM          = 123;        ///
-        enum EMEDIUMTYPE        = 124;        ///
-        enum ECANCELED          = 125;        ///
-        enum ENOKEY             = 126;        ///
-        enum EKEYEXPIRED        = 127;        ///
-        enum EKEYREVOKED        = 128;        ///
-        enum EKEYREJECTED       = 129;        ///
-        enum EOWNERDEAD         = 130;        ///
-        enum ENOTRECOVERABLE    = 131;        ///
-        enum ERFKILL            = 132;        ///
-        enum EHWPOISON          = 133;        ///
-    }
-    else version (PPC64)
+    else version (PPC_Any)
     {
         enum EDEADLK            = 35;         ///
         enum ENAMETOOLONG       = 36;         ///
@@ -1028,109 +629,7 @@ else version (linux)
         enum ERFKILL            = 132;        ///
         enum EHWPOISON          = 133;        ///
     }
-    else version (RISCV32)
-    {
-        enum EDEADLK            = 35;         ///
-        enum ENAMETOOLONG       = 36;         ///
-        enum ENOLCK             = 37;         ///
-        enum ENOSYS             = 38;         ///
-        enum ENOTEMPTY          = 39;         ///
-        enum ELOOP              = 40;         ///
-        enum EWOULDBLOCK        = EAGAIN;     ///
-        enum ENOMSG             = 42;         ///
-        enum EIDRM              = 43;         ///
-        enum ECHRNG             = 44;         ///
-        enum EL2NSYNC           = 45;         ///
-        enum EL3HLT             = 46;         ///
-        enum EL3RST             = 47;         ///
-        enum ELNRNG             = 48;         ///
-        enum EUNATCH            = 49;         ///
-        enum ENOCSI             = 50;         ///
-        enum EL2HLT             = 51;         ///
-        enum EBADE              = 52;         ///
-        enum EBADR              = 53;         ///
-        enum EXFULL             = 54;         ///
-        enum ENOANO             = 55;         ///
-        enum EBADRQC            = 56;         ///
-        enum EBADSLT            = 57;         ///
-        enum EDEADLOCK          = EDEADLK;    ///
-        enum EBFONT             = 59;         ///
-        enum ENOSTR             = 60;         ///
-        enum ENODATA            = 61;         ///
-        enum ETIME              = 62;         ///
-        enum ENOSR              = 63;         ///
-        enum ENONET             = 64;         ///
-        enum ENOPKG             = 65;         ///
-        enum EREMOTE            = 66;         ///
-        enum ENOLINK            = 67;         ///
-        enum EADV               = 68;         ///
-        enum ESRMNT             = 69;         ///
-        enum ECOMM              = 70;         ///
-        enum EPROTO             = 71;         ///
-        enum EMULTIHOP          = 72;         ///
-        enum EDOTDOT            = 73;         ///
-        enum EBADMSG            = 74;         ///
-        enum EOVERFLOW          = 75;         ///
-        enum ENOTUNIQ           = 76;         ///
-        enum EBADFD             = 77;         ///
-        enum EREMCHG            = 78;         ///
-        enum ELIBACC            = 79;         ///
-        enum ELIBBAD            = 80;         ///
-        enum ELIBSCN            = 81;         ///
-        enum ELIBMAX            = 82;         ///
-        enum ELIBEXEC           = 83;         ///
-        enum EILSEQ             = 84;         ///
-        enum ERESTART           = 85;         ///
-        enum ESTRPIPE           = 86;         ///
-        enum EUSERS             = 87;         ///
-        enum ENOTSOCK           = 88;         ///
-        enum EDESTADDRREQ       = 89;         ///
-        enum EMSGSIZE           = 90;         ///
-        enum EPROTOTYPE         = 91;         ///
-        enum ENOPROTOOPT        = 92;         ///
-        enum EPROTONOSUPPORT    = 93;         ///
-        enum ESOCKTNOSUPPORT    = 94;         ///
-        enum EOPNOTSUPP         = 95;         ///
-        enum EPFNOSUPPORT       = 96;         ///
-        enum EAFNOSUPPORT       = 97;         ///
-        enum EADDRINUSE         = 98;         ///
-        enum EADDRNOTAVAIL      = 99;         ///
-        enum ENETDOWN           = 100;        ///
-        enum ENETUNREACH        = 101;        ///
-        enum ENETRESET          = 102;        ///
-        enum ECONNABORTED       = 103;        ///
-        enum ECONNRESET         = 104;        ///
-        enum ENOBUFS            = 105;        ///
-        enum EISCONN            = 106;        ///
-        enum ENOTCONN           = 107;        ///
-        enum ESHUTDOWN          = 108;        ///
-        enum ETOOMANYREFS       = 109;        ///
-        enum ETIMEDOUT          = 110;        ///
-        enum ECONNREFUSED       = 111;        ///
-        enum EHOSTDOWN          = 112;        ///
-        enum EHOSTUNREACH       = 113;        ///
-        enum EALREADY           = 114;        ///
-        enum EINPROGRESS        = 115;        ///
-        enum ESTALE             = 116;        ///
-        enum EUCLEAN            = 117;        ///
-        enum ENOTNAM            = 118;        ///
-        enum ENAVAIL            = 119;        ///
-        enum EISNAM             = 120;        ///
-        enum EREMOTEIO          = 121;        ///
-        enum EDQUOT             = 122;        ///
-        enum ENOMEDIUM          = 123;        ///
-        enum EMEDIUMTYPE        = 124;        ///
-        enum ECANCELED          = 125;        ///
-        enum ENOKEY             = 126;        ///
-        enum EKEYEXPIRED        = 127;        ///
-        enum EKEYREVOKED        = 128;        ///
-        enum EKEYREJECTED       = 129;        ///
-        enum EOWNERDEAD         = 130;        ///
-        enum ENOTRECOVERABLE    = 131;        ///
-        enum ERFKILL            = 132;        ///
-        enum EHWPOISON          = 133;        ///
-    }
-    else version (RISCV64)
+    else version (RISCV_Any)
     {
         enum EDEADLK            = 35;         ///
         enum ENAMETOOLONG       = 36;         ///
@@ -1232,7 +731,7 @@ else version (linux)
         enum ERFKILL            = 132;        ///
         enum EHWPOISON          = 133;        ///
     }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         enum EWOULDBLOCK        = EAGAIN;     ///
         enum EINPROGRESS        = 36;         ///
@@ -1337,7 +836,7 @@ else version (linux)
         enum ERFKILL            = 134;        ///
         enum EHWPOISON          = 135;        ///
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         enum EDEADLK            = 35;         ///
         enum ENAMETOOLONG       = 36;         ///
diff --git a/libphobos/libdruntime/core/stdc/fenv.d b/libphobos/libdruntime/core/stdc/fenv.d
index bcd6e40d514..3bcbd65009d 100644
--- a/libphobos/libdruntime/core/stdc/fenv.d
+++ b/libphobos/libdruntime/core/stdc/fenv.d
@@ -28,10 +28,18 @@ extern (C):
 nothrow:
 @nogc:
 
-version (PPC)
-    version = PPC_Any;
-else version (PPC64)
-    version = PPC_Any;
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
 
 version (MinGW)
     version = GNUFP;
@@ -84,17 +92,7 @@ version (GNUFP)
         alias fexcept_t = ushort;
     }
     // https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/mips/bits/fenv.h
-    else version (MIPS32)
-    {
-        struct fenv_t
-        {
-            uint   __fp_control_register;
-        }
-
-        alias fexcept_t = ushort;
-    }
-    // https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/mips/bits/fenv.h
-    else version (MIPS64)
+    else version (MIPS_Any)
     {
         struct fenv_t
         {
@@ -137,7 +135,7 @@ version (GNUFP)
         alias fexcept_t = ulong;
     }
     // https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/s390/fpu/bits/fenv.h
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         struct fenv_t
         {
@@ -499,7 +497,7 @@ else
             FE_TOWARDZERO   = 0xC00, ///
         }
     }
-    else version (ARM)
+    else version (ARM_Any)
     {
         // Define bits representing exceptions in the FPU status word.
         enum
@@ -521,29 +519,7 @@ else
             FE_TOWARDZERO   = 0xC00000, ///
         }
     }
-    else version (AArch64)
-    {
-        // Define bits representing exceptions in the FPSR status word.
-        enum
-        {
-            FE_INVALID      = 1,  ///
-            FE_DIVBYZERO    = 2,  ///
-            FE_OVERFLOW     = 4,  ///
-            FE_UNDERFLOW    = 8,  ///
-            FE_INEXACT      = 16, ///
-            FE_ALL_EXCEPT   = 31, ///
-        }
-
-        // Define bits representing rounding modes in the FPCR Rmode field.
-        enum
-        {
-            FE_TONEAREST    = 0x000000, ///
-            FE_UPWARD       = 0x400000, ///
-            FE_DOWNWARD     = 0x800000, ///
-            FE_TOWARDZERO   = 0xC00000, ///
-        }
-    }
-    else version (MIPS32)
+    else version (MIPS_Any)
     {
         // Define bits representing the exception.
         enum
@@ -565,61 +541,7 @@ else
             FE_DOWNWARD     = 0x3, ///
         }
     }
-    else version (MIPS64)
-    {
-        // Define bits representing the exception.
-        enum
-        {
-            FE_INEXACT      = 0x04, ///
-            FE_UNDERFLOW    = 0x08, ///
-            FE_OVERFLOW     = 0x10, ///
-            FE_DIVBYZERO    = 0x20, ///
-            FE_INVALID      = 0x40, ///
-            FE_ALL_EXCEPT   = 0x7C, ///
-        }
-
-        // The MIPS FPU supports all of the four defined rounding modes.
-        enum
-        {
-            FE_TONEAREST    = 0x0, ///
-            FE_TOWARDZERO   = 0x1, ///
-            FE_UPWARD       = 0x2, ///
-            FE_DOWNWARD     = 0x3, ///
-        }
-    }
-    else version (PPC)
-    {
-        // Define bits representing the exception.
-        enum
-        {
-            FE_INEXACT                    = 0x2000000,  ///
-            FE_DIVBYZERO                  = 0x4000000,  ///
-            FE_UNDERFLOW                  = 0x8000000,  ///
-            FE_OVERFLOW                   = 0x10000000, ///
-            FE_INVALID                    = 0x20000000, ///
-            FE_INVALID_SNAN               = 0x1000000,  /// non-standard
-            FE_INVALID_ISI                = 0x800000,   /// non-standard
-            FE_INVALID_IDI                = 0x400000,   /// non-standard
-            FE_INVALID_ZDZ                = 0x200000,   /// non-standard
-            FE_INVALID_IMZ                = 0x100000,   /// non-standard
-            FE_INVALID_COMPARE            = 0x80000,    /// non-standard
-            FE_INVALID_SOFTWARE           = 0x400,      /// non-standard
-            FE_INVALID_SQRT               = 0x200,      /// non-standard
-            FE_INVALID_INTEGER_CONVERSION = 0x100,      /// non-standard
-            FE_ALL_INVALID                = 0x1F80700,  /// non-standard
-            FE_ALL_EXCEPT                 = 0x3E000000, ///
-        }
-
-        // PowerPC chips support all of the four defined rounding modes.
-        enum
-        {
-            FE_TONEAREST    = 0, ///
-            FE_TOWARDZERO   = 1, ///
-            FE_UPWARD       = 2, ///
-            FE_DOWNWARD     = 3, ///
-        }
-    }
-    else version (PPC64)
+    else version (PPC_Any)
     {
         // Define bits representing the exception.
         enum
@@ -651,7 +573,7 @@ else
             FE_DOWNWARD     = 3, ///
         }
     }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         // Define bits representing the exception.
         enum
@@ -673,7 +595,7 @@ else
             FE_DOWNWARD     = 0xc0000000, ///
         }
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         // Define bits representing the exception.
         enum
diff --git a/libphobos/libdruntime/core/stdc/math.d b/libphobos/libdruntime/core/stdc/math.d
index cf6d8821cfd..8052ff7f344 100644
--- a/libphobos/libdruntime/core/stdc/math.d
+++ b/libphobos/libdruntime/core/stdc/math.d
@@ -24,6 +24,19 @@ else version (TVOS)
 else version (WatchOS)
     version = Darwin;
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 extern (C):
 @trusted: // All functions here operate on floating point and integer values only.
 nothrow:
@@ -118,70 +131,42 @@ else version (CRuntime_UClibc)
 }
 else version (CRuntime_Glibc)
 {
-    version (X86)
+    version (X86_Any)
     {
         ///
         enum int FP_ILOGB0        = int.min;
         ///
         enum int FP_ILOGBNAN      = int.min;
     }
-    else version (X86_64)
-    {
-        ///
-        enum int FP_ILOGB0        = int.min;
-        ///
-        enum int FP_ILOGBNAN      = int.min;
-    }
-    else version (ARM)
-    {
-        ///
-        enum int FP_ILOGB0        = -int.max;
-        ///
-        enum int FP_ILOGBNAN      = int.max;
-    }
-    else version (AArch64)
-    {
-        ///
-        enum int FP_ILOGB0        = -int.max;
-        ///
-        enum int FP_ILOGBNAN      = int.max;
-    }
-    else version (MIPS32)
-    {
-        ///
-        enum int FP_ILOGB0        = -int.max;
-        ///
-        enum int FP_ILOGBNAN      = int.max;
-    }
-    else version (MIPS64)
+    else version (ARM_Any)
     {
         ///
         enum int FP_ILOGB0        = -int.max;
         ///
         enum int FP_ILOGBNAN      = int.max;
     }
-    else version (PPC)
+    else version (MIPS_Any)
     {
         ///
         enum int FP_ILOGB0        = -int.max;
         ///
         enum int FP_ILOGBNAN      = int.max;
     }
-    else version (PPC64)
+    else version (PPC_Any)
     {
         ///
         enum int FP_ILOGB0        = -int.max;
         ///
         enum int FP_ILOGBNAN      = int.max;
     }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         ///
         enum int FP_ILOGB0        = -int.max;
         ///
         enum int FP_ILOGBNAN      = int.max;
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         ///
         enum int FP_ILOGB0        = -int.max;
diff --git a/libphobos/libdruntime/core/sys/linux/dlfcn.d b/libphobos/libdruntime/core/sys/linux/dlfcn.d
index 281ae526b40..26e5b409253 100644
--- a/libphobos/libdruntime/core/sys/linux/dlfcn.d
+++ b/libphobos/libdruntime/core/sys/linux/dlfcn.d
@@ -10,35 +10,24 @@ extern (C):
 nothrow:
 @nogc:
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 public import core.sys.posix.dlfcn;
 import core.sys.linux.config;
 
 // <bits/dlfcn.h>
-version (X86)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
-    // enum RTLD_LAZY = 0x00001; // POSIX
-    // enum RTLD_NOW = 0x00002; // POSIX
-    enum RTLD_BINDING_MASK = 0x3;
-    enum RTLD_NOLOAD = 0x00004;
-    enum RTLD_DEEPBIND = 0x00008;
-
-    // enum RTLD_GLOBAL = 0x00100; // POSIX
-    // enum RTLD_LOCAL = 0; // POSIX
-    enum RTLD_NODELETE = 0x01000;
-
-    static if (__USE_GNU)
-    {
-        RT DL_CALL_FCT(RT, Args...)(RT function(Args) fctp, auto ref Args args)
-        {
-            _dl_mcount_wrapper_check(cast(void*)fctp);
-            return fctp(args);
-        }
-
-        void _dl_mcount_wrapper_check(void* __selfpc);
-    }
-}
-else version (X86_64)
+version (X86_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
     // enum RTLD_LAZY = 0x00001; // POSIX
@@ -62,31 +51,7 @@ else version (X86_64)
         void _dl_mcount_wrapper_check(void* __selfpc);
     }
 }
-else version (MIPS32)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=ports/sysdeps/mips/bits/dlfcn.h
-    // enum RTLD_LAZY = 0x0001; // POSIX
-    // enum RTLD_NOW = 0x0002; // POSIX
-    enum RTLD_BINDING_MASK = 0x3;
-    enum RTLD_NOLOAD = 0x00008;
-    enum RTLD_DEEPBIND = 0x00010;
-
-    // enum RTLD_GLOBAL = 0x0004; // POSIX
-    // enum RTLD_LOCAL = 0; // POSIX
-    enum RTLD_NODELETE = 0x01000;
-
-    static if (__USE_GNU)
-    {
-        RT DL_CALL_FCT(RT, Args...)(RT function(Args) fctp, auto ref Args args)
-        {
-            _dl_mcount_wrapper_check(cast(void*)fctp);
-            return fctp(args);
-        }
-
-        void _dl_mcount_wrapper_check(void* __selfpc);
-    }
-}
-else version (MIPS64)
+else version (MIPS_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=ports/sysdeps/mips/bits/dlfcn.h
     // enum RTLD_LAZY = 0x0001; // POSIX
@@ -110,55 +75,7 @@ else version (MIPS64)
         void _dl_mcount_wrapper_check(void* __selfpc);
     }
 }
-else version (PPC)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
-    // enum RTLD_LAZY = 0x0001; // POSIX
-    // enum RTLD_NOW = 0x0002; // POSIX
-    enum RTLD_BINDING_MASK = 0x3;
-    enum RTLD_NOLOAD = 0x00004;
-    enum RTLD_DEEPBIND = 0x00008;
-
-    // enum RTLD_GLOBAL = 0x00100; // POSIX
-    // enum RTLD_LOCAL = 0; // POSIX
-    enum RTLD_NODELETE = 0x01000;
-
-    static if (__USE_GNU)
-    {
-        RT DL_CALL_FCT(RT, Args...)(RT function(Args) fctp, auto ref Args args)
-        {
-            _dl_mcount_wrapper_check(cast(void*)fctp);
-            return fctp(args);
-        }
-
-        void _dl_mcount_wrapper_check(void* __selfpc);
-    }
-}
-else version (PPC64)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
-    // enum RTLD_LAZY = 0x0001; // POSIX
-    // enum RTLD_NOW = 0x0002; // POSIX
-    enum RTLD_BINDING_MASK = 0x3;
-    enum RTLD_NOLOAD = 0x00004;
-    enum RTLD_DEEPBIND = 0x00008;
-
-    // enum RTLD_GLOBAL = 0x00100; // POSIX
-    // enum RTLD_LOCAL = 0; // POSIX
-    enum RTLD_NODELETE = 0x01000;
-
-    static if (__USE_GNU)
-    {
-        RT DL_CALL_FCT(RT, Args...)(RT function(Args) fctp, auto ref Args args)
-        {
-            _dl_mcount_wrapper_check(cast(void*)fctp);
-            return fctp(args);
-        }
-
-        void _dl_mcount_wrapper_check(void* __selfpc);
-    }
-}
-else version (ARM)
+else version (PPC_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
     // enum RTLD_LAZY = 0x0001; // POSIX
@@ -182,7 +99,7 @@ else version (ARM)
         void _dl_mcount_wrapper_check(void* __selfpc);
     }
 }
-else version (AArch64)
+else version (ARM_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
     // enum RTLD_LAZY = 0x0001; // POSIX
@@ -206,7 +123,7 @@ else version (AArch64)
         void _dl_mcount_wrapper_check(void* __selfpc);
     }
 }
-else version (SPARC64)
+else version (SPARC_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
     // enum RTLD_LAZY = 0x0001; // POSIX
@@ -230,7 +147,7 @@ else version (SPARC64)
         void _dl_mcount_wrapper_check(void* __selfpc);
     }
 }
-else version (SystemZ)
+else version (IBMZ_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
     // enum RTLD_LAZY = 0x0001; // POSIX
diff --git a/libphobos/libdruntime/core/sys/linux/epoll.d b/libphobos/libdruntime/core/sys/linux/epoll.d
index 3d58c526264..e77cde4fcf7 100644
--- a/libphobos/libdruntime/core/sys/linux/epoll.d
+++ b/libphobos/libdruntime/core/sys/linux/epoll.d
@@ -15,6 +15,19 @@ extern (C):
 @nogc:
 nothrow:
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 enum
 {
     EPOLL_CLOEXEC  = 0x80000,
@@ -46,7 +59,7 @@ enum
     EPOLL_CTL_MOD = 3, // Change file descriptor epoll_event structure.
 }
 
-version (X86)
+version (X86_Any)
 {
     align(1) struct epoll_event
     {
@@ -55,40 +68,7 @@ version (X86)
         epoll_data_t data;
     }
 }
-else version (X86_64)
-{
-    align(1) struct epoll_event
-    {
-    align(1):
-        uint events;
-        epoll_data_t data;
-    }
-}
-else version (ARM)
-{
-    struct epoll_event
-    {
-        uint events;
-        epoll_data_t data;
-    }
-}
-else version (AArch64)
-{
-    struct epoll_event
-    {
-        uint events;
-        epoll_data_t data;
-    }
-}
-else version (PPC)
-{
-    struct epoll_event
-    {
-        uint events;
-        epoll_data_t data;
-    }
-}
-else version (PPC64)
+else version (ARM_Any)
 {
     struct epoll_event
     {
@@ -96,7 +76,7 @@ else version (PPC64)
         epoll_data_t data;
     }
 }
-else version (MIPS32)
+else version (PPC_Any)
 {
     struct epoll_event
     {
@@ -104,7 +84,7 @@ else version (MIPS32)
         epoll_data_t data;
     }
 }
-else version (MIPS64)
+else version (MIPS_Any)
 {
     struct epoll_event
     {
@@ -112,7 +92,7 @@ else version (MIPS64)
         epoll_data_t data;
     }
 }
-else version (SPARC64)
+else version (SPARC_Any)
 {
     struct epoll_event
     {
@@ -120,7 +100,7 @@ else version (SPARC64)
         epoll_data_t data;
     }
 }
-else version (SystemZ)
+else version (IBMZ_Any)
 {
     struct epoll_event
     {
diff --git a/libphobos/libdruntime/core/sys/linux/link.d b/libphobos/libdruntime/core/sys/linux/link.d
index f69f158017e..e22a44590be 100644
--- a/libphobos/libdruntime/core/sys/linux/link.d
+++ b/libphobos/libdruntime/core/sys/linux/link.d
@@ -9,61 +9,48 @@ version (linux):
 extern (C):
 nothrow:
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 import core.stdc.stdint : uintptr_t, uint32_t, uint64_t;
 import core.sys.linux.config : __WORDSIZE;
 import core.sys.linux.dlfcn : Lmid_t;
 import core.sys.linux.elf;
 
 // <bits/elfclass.h>
-version (X86)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
-    alias __WORDSIZE __ELF_NATIVE_CLASS;
-    alias uint32_t Elf_Symndx;
-}
-else version (X86_64)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
-    alias __WORDSIZE __ELF_NATIVE_CLASS;
-    alias uint32_t Elf_Symndx;
-}
-else version (MIPS32)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
-    alias __WORDSIZE __ELF_NATIVE_CLASS;
-    alias uint32_t Elf_Symndx;
-}
-else version (MIPS64)
-{
-    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
-    alias __WORDSIZE __ELF_NATIVE_CLASS;
-    alias uint32_t Elf_Symndx;
-}
-else version (PPC)
+version (X86_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
     alias __WORDSIZE __ELF_NATIVE_CLASS;
     alias uint32_t Elf_Symndx;
 }
-else version (PPC64)
+else version (MIPS_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
     alias __WORDSIZE __ELF_NATIVE_CLASS;
     alias uint32_t Elf_Symndx;
 }
-else version (ARM)
+else version (PPC_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
     alias __WORDSIZE __ELF_NATIVE_CLASS;
     alias uint32_t Elf_Symndx;
 }
-else version (AArch64)
+else version (ARM_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
     alias __WORDSIZE __ELF_NATIVE_CLASS;
     alias uint32_t Elf_Symndx;
 }
-else version (SPARC64)
+else version (SPARC_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
     alias __WORDSIZE __ELF_NATIVE_CLASS;
diff --git a/libphobos/libdruntime/core/sys/linux/sys/auxv.d b/libphobos/libdruntime/core/sys/linux/sys/auxv.d
index 1634ccf3c16..5f098e98e02 100644
--- a/libphobos/libdruntime/core/sys/linux/sys/auxv.d
+++ b/libphobos/libdruntime/core/sys/linux/sys/auxv.d
@@ -11,6 +11,15 @@ import core.stdc.config;
 version (linux):
 extern (C):
 
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+
 c_ulong getauxval(c_ulong type) nothrow pure @nogc @system;
 
 version (ARM)
@@ -56,7 +65,7 @@ else version (AArch64)
   enum HWCAP_FPHP                         = 512;
   enum HWCAP_ASIMDHP                      = 1024;
 }
-else version (PPC)
+else version (PPC_Any)
 {
   // See https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/powerpc/bits/hwcap.h
 
@@ -98,81 +107,7 @@ else version (PPC)
   enum PPC_FEATURE2_HAS_TAR               = 0x04000000;
   enum PPC_FEATURE2_HAS_VEC_CRYPTO        = 0x02000000;
 }
-else version (PPC64)
-{
-  // See https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/powerpc/bits/hwcap.h
-
-  enum PPC_FEATURE_32                     = 0x80000000;
-  enum PPC_FEATURE_64                     = 0x40000000;
-  enum PPC_FEATURE_601_INSTR              = 0x20000000;
-  enum PPC_FEATURE_HAS_ALTIVEC            = 0x10000000;
-  enum PPC_FEATURE_HAS_FPU                = 0x08000000;
-  enum PPC_FEATURE_HAS_MMU                = 0x04000000;
-  enum PPC_FEATURE_HAS_4xxMAC             = 0x02000000;
-  enum PPC_FEATURE_UNIFIED_CACHE          = 0x01000000;
-  enum PPC_FEATURE_HAS_SPE                = 0x00800000;
-  enum PPC_FEATURE_HAS_EFP_SINGLE         = 0x00400000;
-  enum PPC_FEATURE_HAS_EFP_DOUBLE         = 0x00200000;
-  enum PPC_FEATURE_NO_TB                  = 0x00100000;
-  enum PPC_FEATURE_POWER4                 = 0x00080000;
-  enum PPC_FEATURE_POWER5                 = 0x00040000;
-  enum PPC_FEATURE_POWER5_PLUS            = 0x00020000;
-  enum PPC_FEATURE_CELL_BE                = 0x00010000;
-  enum PPC_FEATURE_BOOKE                  = 0x00008000;
-  enum PPC_FEATURE_SMT                    = 0x00004000;
-
-  enum PPC_FEATURE_ICACHE_SNOOP           = 0x00002000;
-  enum PPC_FEATURE_ARCH_2_05              = 0x00001000;
-  enum PPC_FEATURE_PA6T                   = 0x00000800;
-  enum PPC_FEATURE_HAS_DFP                = 0x00000400;
-  enum PPC_FEATURE_POWER6_EXT             = 0x00000200;
-  enum PPC_FEATURE_ARCH_2_06              = 0x00000100;
-  enum PPC_FEATURE_HAS_VSX                = 0x00000080;
-  enum PPC_FEATURE_PSERIES_PERFMON_COMPAT = 0x00000040;
-  enum PPC_FEATURE_TRUE_LE                = 0x00000002;
-  enum PPC_FEATURE_PPC_LE                 = 0x00000001;
-
-  enum PPC_FEATURE2_ARCH_2_07             = 0x80000000;
-  enum PPC_FEATURE2_HAS_HTM               = 0x40000000;
-  enum PPC_FEATURE2_HAS_DSCR              = 0x20000000;
-  enum PPC_FEATURE2_HAS_EBB               = 0x10000000;
-  enum PPC_FEATURE2_HAS_ISEL              = 0x08000000;
-  enum PPC_FEATURE2_HAS_TAR               = 0x04000000;
-  enum PPC_FEATURE2_HAS_VEC_CRYPTO        = 0x02000000;
-}
-else version (SPARC)
-{
-  // See https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/sparc/bits/hwcap.h
-
-  enum HWCAP_SPARC_FLUSH                  = 0x00000001;
-  enum HWCAP_SPARC_STBAR                  = 0x00000002;
-  enum HWCAP_SPARC_SWAP                   = 0x00000004;
-  enum HWCAP_SPARC_MULDIV                 = 0x00000008;
-  enum HWCAP_SPARC_V9                     = 0x00000010;
-  enum HWCAP_SPARC_ULTRA3                 = 0x00000020;
-  enum HWCAP_SPARC_BLKINIT                = 0x00000040;
-  enum HWCAP_SPARC_N2                     = 0x00000080;
-  enum HWCAP_SPARC_MUL32                  = 0x00000100;
-  enum HWCAP_SPARC_DIV32                  = 0x00000200;
-  enum HWCAP_SPARC_FSMULD                 = 0x00000400;
-  enum HWCAP_SPARC_V8PLUS                 = 0x00000800;
-  enum HWCAP_SPARC_POPC                   = 0x00001000;
-  enum HWCAP_SPARC_VIS                    = 0x00002000;
-  enum HWCAP_SPARC_VIS2                   = 0x00004000;
-  enum HWCAP_SPARC_ASI_BLK_INIT           = 0x00008000;
-  enum HWCAP_SPARC_FMAF                   = 0x00010000;
-  enum HWCAP_SPARC_VIS3                   = 0x00020000;
-  enum HWCAP_SPARC_HPC                    = 0x00040000;
-  enum HWCAP_SPARC_RANDOM                 = 0x00080000;
-  enum HWCAP_SPARC_TRANS                  = 0x00100000;
-  enum HWCAP_SPARC_FJFMAU                 = 0x00200000;
-  enum HWCAP_SPARC_IMA                    = 0x00400000;
-  enum HWCAP_SPARC_ASI_CACHE_SPARING      = 0x00800000;
-  enum HWCAP_SPARC_PAUSE                  = 0x01000000;
-  enum HWCAP_SPARC_CBCOND                 = 0x02000000;
-  enum HWCAP_SPARC_CRYPTO                 = 0x04000000;
-}
-else version (SPARC64)
+else version (SPARC_Any)
 {
   // See https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/sparc/bits/hwcap.h
 
@@ -204,7 +139,7 @@ else version (SPARC64)
   enum HWCAP_SPARC_CBCOND                 = 0x02000000;
   enum HWCAP_SPARC_CRYPTO                 = 0x04000000;
 }
-else version (SystemZ)
+else version (IBMZ_Any)
 {
   // See https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/s390/bits/hwcap.h
 
diff --git a/libphobos/libdruntime/core/sys/linux/sys/eventfd.d b/libphobos/libdruntime/core/sys/linux/sys/eventfd.d
index 3cd39556b0d..8e8f03a01c6 100644
--- a/libphobos/libdruntime/core/sys/linux/sys/eventfd.d
+++ b/libphobos/libdruntime/core/sys/linux/sys/eventfd.d
@@ -12,6 +12,19 @@ extern (C):
 @system:
 nothrow:
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 import core.stdc.stdint: uint64_t;
 
 /// Type for the event counter
@@ -27,61 +40,37 @@ int eventfd_read (int fd, eventfd_t* value);
 /* Increment event counter.  */
 int eventfd_write (int fd, eventfd_t value);
 
-version (X86)
-{
-    enum EFD_SEMAPHORE = 1;
-    enum EFD_CLOEXEC = 0x80000; // octal!2000000
-    enum EFD_NONBLOCK = 0x800; // octal!4000
-}
-else version (X86_64)
+version (X86_Any)
 {
     enum EFD_SEMAPHORE = 1;
     enum EFD_CLOEXEC = 0x80000; // octal!2000000
     enum EFD_NONBLOCK = 0x800; // octal!4000
 }
-else version (MIPS32)
-{
-    enum EFD_SEMAPHORE = 1;
-    enum EFD_CLOEXEC = 0x80000; // octal!2000000
-    enum EFD_NONBLOCK = 0x80; // octal!200
-}
-else version (MIPS64)
+else version (MIPS_Any)
 {
     enum EFD_SEMAPHORE = 1;
     enum EFD_CLOEXEC = 0x80000; // octal!2000000
     enum EFD_NONBLOCK = 0x80; // octal!200
 }
-else version (PPC)
-{
-    enum EFD_SEMAPHORE = 1;
-    enum EFD_CLOEXEC = 0x80000; // octal!2000000
-    enum EFD_NONBLOCK = 0x800; // octal!4000
-}
-else version (PPC64)
-{
-    enum EFD_SEMAPHORE = 1;
-    enum EFD_CLOEXEC = 0x80000; // octal!2000000
-    enum EFD_NONBLOCK = 0x800; // octal!4000
-}
-else version (ARM)
+else version (PPC_Any)
 {
     enum EFD_SEMAPHORE = 1;
     enum EFD_CLOEXEC = 0x80000; // octal!2000000
     enum EFD_NONBLOCK = 0x800; // octal!4000
 }
-else version (AArch64)
+else version (ARM_Any)
 {
     enum EFD_SEMAPHORE = 1;
     enum EFD_CLOEXEC = 0x80000; // octal!2000000
     enum EFD_NONBLOCK = 0x800; // octal!4000
 }
-else version (SPARC64)
+else version (SPARC_Any)
 {
     enum EFD_SEMAPHORE = 1;
     enum EFD_CLOEXEC = 0x80000; // octal!2000000
     enum EFD_NONBLOCK = 0x800; // octal!4000
 }
-else version (SystemZ)
+else version (IBMZ_Any)
 {
     enum EFD_SEMAPHORE = 1;
     enum EFD_CLOEXEC = 0x80000; // octal!2000000
diff --git a/libphobos/libdruntime/core/sys/linux/sys/inotify.d b/libphobos/libdruntime/core/sys/linux/sys/inotify.d
index 793c617795a..301376afa87 100644
--- a/libphobos/libdruntime/core/sys/linux/sys/inotify.d
+++ b/libphobos/libdruntime/core/sys/linux/sys/inotify.d
@@ -11,6 +11,19 @@ extern (C):
 @system:
 nothrow:
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 struct inotify_event
 {
     int wd;
@@ -53,52 +66,32 @@ enum: uint
 // Old typo, preserved for compatibility
 enum IN_UMOUNT = IN_UNMOUNT;
 
-version (X86)
-{
-    enum IN_CLOEXEC = 0x80000; // octal!2000000
-    enum IN_NONBLOCK = 0x800; // octal!4000
-}
-else version (X86_64)
+version (X86_Any)
 {
     enum IN_CLOEXEC = 0x80000; // octal!2000000
     enum IN_NONBLOCK = 0x800; // octal!4000
 }
-else version (MIPS32)
-{
-    enum IN_CLOEXEC = 0x80000; // octal!2000000
-    enum IN_NONBLOCK = 0x80; // octal!200
-}
-else version (MIPS64)
+else version (MIPS_Any)
 {
     enum IN_CLOEXEC = 0x80000; // octal!2000000
     enum IN_NONBLOCK = 0x80; // octal!200
 }
-else version (PPC)
-{
-    enum IN_CLOEXEC = 0x80000; // octal!2000000
-    enum IN_NONBLOCK = 0x800; // octal!4000
-}
-else version (PPC64)
-{
-    enum IN_CLOEXEC = 0x80000; // octal!2000000
-    enum IN_NONBLOCK = 0x800; // octal!4000
-}
-else version (ARM)
+else version (PPC_Any)
 {
     enum IN_CLOEXEC = 0x80000; // octal!2000000
     enum IN_NONBLOCK = 0x800; // octal!4000
 }
-else version (AArch64)
+else version (ARM_Any)
 {
     enum IN_CLOEXEC = 0x80000; // octal!2000000
     enum IN_NONBLOCK = 0x800; // octal!4000
 }
-else version (SPARC64)
+else version (SPARC_Any)
 {
     enum IN_CLOEXEC = 0x80000; // octal!2000000
     enum IN_NONBLOCK = 0x800; // octal!4000
 }
-else version (SystemZ)
+else version (IBMZ_Any)
 {
     enum IN_CLOEXEC = 0x80000; // octal!2000000
     enum IN_NONBLOCK = 0x800; // octal!4000
diff --git a/libphobos/libdruntime/core/sys/linux/sys/mman.d b/libphobos/libdruntime/core/sys/linux/sys/mman.d
index 26b0d2fcd76..5e304112841 100644
--- a/libphobos/libdruntime/core/sys/linux/sys/mman.d
+++ b/libphobos/libdruntime/core/sys/linux/sys/mman.d
@@ -9,37 +9,27 @@ version (linux):
 extern (C):
 nothrow:
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (HPPA)    version = HPPA_Any;
+version (HPPA64)  version = HPPA_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 public import core.sys.posix.sys.mman;
 import core.sys.linux.config;
 
 // <bits/mman.h>
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/powerpc/bits/mman.h
-version (PPC)
-{
-    enum PROT_SAO = 0x10;
-
-    static if (__USE_MISC) enum
-    {
-        MAP_GROWSDOWN = 0x00100,
-        MAP_DENYWRITE = 0x00800,
-        MAP_EXECUTABLE = 0x01000,
-        MAP_LOCKED = 0x00080,
-        MAP_NORESERVE = 0x00040,
-        MAP_POPULATE = 0x08000,
-        MAP_NONBLOCK = 0x10000,
-        MAP_STACK = 0x20000,
-        MAP_HUGETLB = 0x40000,
-    }
-
-    // in core.sys.posix.sys.mman
-    // enum
-    // {
-    //     MCL_CURRENT = 0x2000,
-    //     MCL_FUTURE = 0x4000,
-    // }
-}
-// http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/powerpc/bits/mman.h
-else version (PPC64)
+version (PPC_Any)
 {
     enum PROT_SAO = 0x10;
 
@@ -64,23 +54,7 @@ else version (PPC64)
     // }
 }
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/s390/bits/mman.h
-else version (S390)
-{
-    static if (__USE_MISC) enum
-    {
-        MAP_GROWSDOWN = 0x00100,
-        MAP_DENYWRITE = 0x00800,
-        MAP_EXECUTABLE = 0x01000,
-        MAP_LOCKED = 0x02000,
-        MAP_NORESERVE = 0x04000,
-        MAP_POPULATE = 0x08000,
-        MAP_NONBLOCK = 0x10000,
-        MAP_STACK = 0x20000,
-        MAP_HUGETLB = 0x40000,
-    }
-}
-// http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/s390/bits/mman.h
-else version (SystemZ)
+else version (IBMZ_Any)
 {
     static if (__USE_MISC) enum
     {
@@ -112,31 +86,7 @@ else version (SH)
     }
 }
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/sparc/bits/mman.h
-else version (SPARC)
-{
-    static if (__USE_MISC) enum
-    {
-        MAP_GROWSDOWN = 0x0200,
-        MAP_DENYWRITE = 0x0800,
-        MAP_EXECUTABLE = 0x1000,
-        MAP_LOCKED = 0x0100,
-        MAP_NORESERVE = 0x0040,
-        _MAP_NEW = 0x80000000,
-        MAP_POPULATE = 0x8000,
-        MAP_NONBLOCK = 0x10000,
-        MAP_STACK = 0x20000,
-        MAP_HUGETLB = 0x40000,
-    }
-
-    // in core.sys.posix.sys.mman
-    // enum
-    // {
-    //     MCL_CURRENT = 0x2000,
-    //     MCL_FUTURE = 0x4000,
-    // }
-}
-// http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/sparc/bits/mman.h
-else version (SPARC64)
+else version (SPARC_Any)
 {
     static if (__USE_MISC) enum
     {
@@ -160,25 +110,7 @@ else version (SPARC64)
     // }
 }
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/x86/bits/mman.h
-else version (X86)
-{
-    static if (__USE_MISC) enum MAP_32BIT = 0x40;
-
-    static if (__USE_MISC) enum
-    {
-        MAP_GROWSDOWN = 0x00100,
-        MAP_DENYWRITE = 0x00800,
-        MAP_EXECUTABLE = 0x01000,
-        MAP_LOCKED = 0x02000,
-        MAP_NORESERVE = 0x04000,
-        MAP_POPULATE = 0x08000,
-        MAP_NONBLOCK = 0x10000,
-        MAP_STACK = 0x20000,
-        MAP_HUGETLB = 0x40000,
-    }
-}
-// http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/x86/bits/mman.h
-else version (X86_64)
+else version (X86_Any)
 {
     static if (__USE_MISC) enum MAP_32BIT = 0x40;
 
@@ -320,111 +252,7 @@ else version (ARM)
     }
 }
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/hppa/bits/mman.h
-else version (HPPA)
-{
-    enum
-    {
-        PROT_READ = 0x1,
-        PROT_WRITE = 0x2,
-        PROT_EXEC = 0x4,
-        PROT_NONE = 0x0,
-        PROT_GROWSDOWN = 0x01000000,
-        PROT_GROWSUP = 0x02000000,
-    }
-
-    enum MAP_SHARED = 0x01;
-    enum MAP_PRIVATE = 0x02;
-    static if (__USE_MISC)
-        enum MAP_TYPE = 0x0f;
-
-    enum MAP_FIXED = 0x04;
-    static if (__USE_MISC) enum
-    {
-        MAP_FILE = 0,
-        MAP_ANONYMOUS = MAP_ANON,
-        // in core.sys.posix.sys.mman
-        // MAP_ANON = MAP_ANONYMOUS,
-        MAP_VARIABLE = 0,
-        MAP_HUGE_SHIFT = 26,
-        MAP_HUGE_MASK = 0x3f,
-    }
-
-    static if (__USE_MISC) enum
-    {
-        MAP_DENYWRITE = 0x0800,
-        MAP_EXECUTABLE = 0x1000,
-        MAP_LOCKED = 0x2000,
-        MAP_NORESERVE = 0x4000,
-        MAP_GROWSDOWN = 0x8000,
-        MAP_POPULATE = 0x10000,
-        MAP_NONBLOCK = 0x20000,
-    }
-
-    // in core.sys.posix.sys.mman
-    // enum
-    // {
-    //     MS_ASYNC = 1,
-    //     MS_SYNC = 2,
-    //     MS_INVALIDATE = 4,
-    // }
-
-    // in core.sys.posix.sys.mman
-    // enum
-    // {
-    //     MCL_CURRENT = 1,
-    //     MCL_FUTURE = 2,
-    // }
-
-    static if (__USE_GNU) enum
-    {
-        MREMAP_MAYMOVE = 1,
-        MREMAP_FIXED = 2,
-    }
-
-    static if (__USE_MISC) enum
-    {
-        MADV_NORMAL = 0,
-        MADV_RANDOM = 1,
-        MADV_SEQUENTIAL = 2,
-        MADV_WILLNEED = 3,
-        MADV_DONTNEED = 4,
-        MADV_SPACEAVAIL = 5,
-        MADV_VPS_PURGE = 6,
-        MADV_VPS_INHERIT = 7,
-        MADV_REMOVE = 9,
-        MADV_DONTFORK = 10,
-        MADV_DOFORK = 11,
-        MADV_MERGEABLE = 65,
-        MADV_UNMERGEABLE = 66,
-        MADV_HUGEPAGE = 67,
-        MADV_NOHUGEPAGE = 68,
-        MADV_DONTDUMP = 69,
-    }
-
-    deprecated("MADV_*_PAGES are gone and never had any effect") enum
-    {
-        MADV_4K_PAGES = 12,
-        MADV_16K_PAGES = 14,
-        MADV_64K_PAGES = 16,
-        MADV_256K_PAGES = 18,
-        MADV_1M_PAGES = 20,
-        MADV_4M_PAGES = 22,
-        MADV_16M_PAGES = 24,
-        MADV_64M_PAGES = 26,
-    }
-
-    // in core.sys.posix.sys.mman
-    // static if (__USE_XOPEN2K) enum
-    // {
-    //     POSIX_MADV_NORMAL = 0,
-    //     POSIX_MADV_RANDOM = 1,
-    //     POSIX_MADV_SEQUENTIAL = 2,
-    //     POSIX_MADV_WILLNEED = 3,
-    //     POSIX_MADV_DONTNEED = 4,
-    // }
-}
-// http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/hppa/bits/mman.h
-else version (HPPA64)
+else version (HPPA_Any)
 {
     enum
     {
@@ -503,7 +331,6 @@ else version (HPPA64)
         MADV_HUGEPAGE = 67,
         MADV_NOHUGEPAGE = 68,
         MADV_DONTDUMP = 69,
-        MADV_DODUMP = 70,
     }
 
     deprecated("MADV_*_PAGES are gone and never had any effect") enum
@@ -562,23 +389,7 @@ else version (M68K)
     }
 }
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/mips/bits/mman.h
-else version (MIPS32)
-{
-    static if (__USE_MISC) enum
-    {
-        MAP_NORESERVE = 0x0400,
-        MAP_GROWSDOWN = 0x1000,
-        MAP_DENYWRITE = 0x2000,
-        MAP_EXECUTABLE = 0x4000,
-        MAP_LOCKED = 0x8000,
-        MAP_POPULATE = 0x10000,
-        MAP_NONBLOCK = 0x20000,
-        MAP_STACK = 0x40000,
-        MAP_HUGETLB = 0x80000,
-    }
-}
-// https://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/mips/bits/mman.h
-else version (MIPS64)
+else version (MIPS_Any)
 {
     static if (__USE_MISC) enum
     {
@@ -604,10 +415,7 @@ else
 version (Alpha)
 {
 }
-else version (HPPA)
-{
-}
-else version (HPPA64)
+else version (HPPA_Any)
 {
 }
 else
@@ -691,22 +499,12 @@ else
 
 // Workaround https://issues.dlang.org/show_bug.cgi?id=17883
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/sparc/bits/mman.h
-version (SPARC)
-{
-    static if (__USE_MISC) enum MAP_RENAME = MAP_ANONYMOUS;
-}
-// http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/sparc/bits/mman.h
-else version (SPARC64)
+version (SPARC_Any)
 {
     static if (__USE_MISC) enum MAP_RENAME = MAP_ANONYMOUS;
 }
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/mips/bits/mman.h
-else version (MIPS32)
-{
-    static if (__USE_MISC) enum MAP_RENAME = MAP_ANONYMOUS;
-}
-// https://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/mips/bits/mman.h
-else version (MIPS64)
+else version (MIPS_Any)
 {
     static if (__USE_MISC) enum MAP_RENAME = MAP_ANONYMOUS;
 }
diff --git a/libphobos/libdruntime/core/sys/posix/dlfcn.d b/libphobos/libdruntime/core/sys/posix/dlfcn.d
index 1a9f0521ca4..e1c3ba08245 100644
--- a/libphobos/libdruntime/core/sys/posix/dlfcn.d
+++ b/libphobos/libdruntime/core/sys/posix/dlfcn.d
@@ -25,6 +25,19 @@ else version (TVOS)
 else version (WatchOS)
     version = Darwin;
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 version (Posix):
 extern (C):
 nothrow:
@@ -47,70 +60,42 @@ void* dlsym(void*, in char*);
 
 version (CRuntime_Glibc)
 {
-    version (X86)
-    {
-        enum RTLD_LAZY      = 0x00001;
-        enum RTLD_NOW       = 0x00002;
-        enum RTLD_GLOBAL    = 0x00100;
-        enum RTLD_LOCAL     = 0x00000;
-    }
-    else version (X86_64)
+    version (X86_Any)
     {
         enum RTLD_LAZY      = 0x00001;
         enum RTLD_NOW       = 0x00002;
         enum RTLD_GLOBAL    = 0x00100;
         enum RTLD_LOCAL     = 0x00000;
     }
-    else version (MIPS32)
-    {
-        enum RTLD_LAZY      = 0x0001;
-        enum RTLD_NOW       = 0x0002;
-        enum RTLD_GLOBAL    = 0x0004;
-        enum RTLD_LOCAL     = 0;
-    }
-    else version (MIPS64)
+    else version (MIPS_Any)
     {
         enum RTLD_LAZY      = 0x0001;
         enum RTLD_NOW       = 0x0002;
         enum RTLD_GLOBAL    = 0x0004;
         enum RTLD_LOCAL     = 0;
     }
-    else version (PPC)
-    {
-        enum RTLD_LAZY      = 0x00001;
-        enum RTLD_NOW       = 0x00002;
-        enum RTLD_GLOBAL    = 0x00100;
-        enum RTLD_LOCAL     = 0;
-    }
-    else version (PPC64)
-    {
-        enum RTLD_LAZY      = 0x00001;
-        enum RTLD_NOW       = 0x00002;
-        enum RTLD_GLOBAL    = 0x00100;
-        enum RTLD_LOCAL     = 0;
-    }
-    else version (ARM)
+    else version (PPC_Any)
     {
         enum RTLD_LAZY      = 0x00001;
         enum RTLD_NOW       = 0x00002;
         enum RTLD_GLOBAL    = 0x00100;
         enum RTLD_LOCAL     = 0;
     }
-    else version (AArch64)
+    else version (ARM_Any)
     {
         enum RTLD_LAZY      = 0x00001;
         enum RTLD_NOW       = 0x00002;
         enum RTLD_GLOBAL    = 0x00100;
         enum RTLD_LOCAL     = 0;
     }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         enum RTLD_LAZY      = 0x00001;
         enum RTLD_NOW       = 0x00002;
         enum RTLD_GLOBAL    = 0x00100;
         enum RTLD_LOCAL     = 0;
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         enum RTLD_LAZY      = 0x00001;
         enum RTLD_NOW       = 0x00002;
diff --git a/libphobos/libdruntime/core/sys/posix/fcntl.d b/libphobos/libdruntime/core/sys/posix/fcntl.d
index 339dcd49106..1bdc6eca0f2 100644
--- a/libphobos/libdruntime/core/sys/posix/fcntl.d
+++ b/libphobos/libdruntime/core/sys/posix/fcntl.d
@@ -28,6 +28,19 @@ else version (TVOS)
 else version (WatchOS)
     version = Darwin;
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 version (Posix):
 extern (C):
 
@@ -126,20 +139,7 @@ version (CRuntime_Glibc)
     enum F_UNLCK        = 2;
     enum F_WRLCK        = 1;
 
-    version (X86)
-    {
-        enum O_CREAT        = 0x40;     // octal     0100
-        enum O_EXCL         = 0x80;     // octal     0200
-        enum O_NOCTTY       = 0x100;    // octal     0400
-        enum O_TRUNC        = 0x200;    // octal    01000
-
-        enum O_APPEND       = 0x400;    // octal    02000
-        enum O_NONBLOCK     = 0x800;    // octal    04000
-        enum O_SYNC         = 0x101000; // octal 04010000
-        enum O_DSYNC        = 0x1000;   // octal   010000
-        enum O_RSYNC        = O_SYNC;
-    }
-    else version (X86_64)
+    version (X86_Any)
     {
         enum O_CREAT        = 0x40;     // octal     0100
         enum O_EXCL         = 0x80;     // octal     0200
@@ -152,20 +152,7 @@ version (CRuntime_Glibc)
         enum O_DSYNC        = 0x1000;   // octal   010000
         enum O_RSYNC        = O_SYNC;
     }
-    else version (MIPS32)
-    {
-        enum O_CREAT        = 0x0100;
-        enum O_EXCL         = 0x0400;
-        enum O_NOCTTY       = 0x0800;
-        enum O_TRUNC        = 0x0200;
-
-        enum O_APPEND       = 0x0008;
-        enum O_DSYNC        = O_SYNC;
-        enum O_NONBLOCK     = 0x0080;
-        enum O_RSYNC        = O_SYNC;
-        enum O_SYNC         = 0x0010;
-    }
-    else version (MIPS64)
+    else version (MIPS_Any)
     {
         enum O_CREAT        = 0x0100;
         enum O_EXCL         = 0x0400;
@@ -178,7 +165,7 @@ version (CRuntime_Glibc)
         enum O_RSYNC        = O_SYNC;
         enum O_SYNC         = 0x4010;
     }
-    else version (PPC)
+    else version (PPC_Any)
     {
         enum O_CREAT        = 0x40;     // octal     0100
         enum O_EXCL         = 0x80;     // octal     0200
@@ -191,33 +178,7 @@ version (CRuntime_Glibc)
         enum O_DSYNC        = 0x1000;   // octal   010000
         enum O_RSYNC        = O_SYNC;
     }
-    else version (PPC64)
-    {
-        enum O_CREAT        = 0x40;     // octal     0100
-        enum O_EXCL         = 0x80;     // octal     0200
-        enum O_NOCTTY       = 0x100;    // octal     0400
-        enum O_TRUNC        = 0x200;    // octal    01000
-
-        enum O_APPEND       = 0x400;    // octal    02000
-        enum O_NONBLOCK     = 0x800;    // octal    04000
-        enum O_SYNC         = 0x101000; // octal 04010000
-        enum O_DSYNC        = 0x1000;   // octal   010000
-        enum O_RSYNC        = O_SYNC;
-    }
-    else version (ARM)
-    {
-        enum O_CREAT        = 0x40;     // octal     0100
-        enum O_EXCL         = 0x80;     // octal     0200
-        enum O_NOCTTY       = 0x100;    // octal     0400
-        enum O_TRUNC        = 0x200;    // octal    01000
-
-        enum O_APPEND       = 0x400;    // octal    02000
-        enum O_NONBLOCK     = 0x800;    // octal    04000
-        enum O_SYNC         = 0x101000; // octal 04010000
-        enum O_DSYNC        = 0x1000;   // octal   010000
-        enum O_RSYNC        = O_SYNC;
-    }
-    else version (AArch64)
+    else version (ARM_Any)
     {
         enum O_CREAT        = 0x40;     // octal     0100
         enum O_EXCL         = 0x80;     // octal     0200
@@ -230,7 +191,7 @@ version (CRuntime_Glibc)
         enum O_DSYNC        = 0x1000;   // octal   010000
         enum O_RSYNC        = O_SYNC;
     }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         enum O_CREAT        = 0x200;
         enum O_EXCL         = 0x800;
@@ -243,7 +204,7 @@ version (CRuntime_Glibc)
         enum O_DSYNC        = 0x2000;
         enum O_RSYNC        = O_SYNC;
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         enum O_CREAT        = 0x40;     // octal     0100
         enum O_EXCL         = 0x80;     // octal     0200
diff --git a/libphobos/libdruntime/core/sys/posix/signal.d b/libphobos/libdruntime/core/sys/posix/signal.d
index b70ac6b4ab8..2cd81c87f06 100644
--- a/libphobos/libdruntime/core/sys/posix/signal.d
+++ b/libphobos/libdruntime/core/sys/posix/signal.d
@@ -25,6 +25,19 @@ else version (TVOS)
 else version (WatchOS)
     version = Darwin;
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 version (Posix):
 extern (C):
 //nothrow:  // this causes Issue 12738
@@ -219,7 +232,7 @@ else version (CRuntime_UClibc)
 
 version (linux)
 {
-    version (X86)
+    version (X86_Any)
     {
         //SIGABRT (defined in core.stdc.signal)
         enum SIGALRM    = 14;
@@ -243,31 +256,7 @@ version (linux)
         enum SIGUSR2    = 12;
         enum SIGURG     = 23;
     }
-    else version (X86_64)
-    {
-        //SIGABRT (defined in core.stdc.signal)
-        enum SIGALRM    = 14;
-        enum SIGBUS     = 7;
-        enum SIGCHLD    = 17;
-        enum SIGCONT    = 18;
-        //SIGFPE (defined in core.stdc.signal)
-        enum SIGHUP     = 1;
-        //SIGILL (defined in core.stdc.signal)
-        //SIGINT (defined in core.stdc.signal)
-        enum SIGKILL    = 9;
-        enum SIGPIPE    = 13;
-        enum SIGQUIT    = 3;
-        //SIGSEGV (defined in core.stdc.signal)
-        enum SIGSTOP    = 19;
-        //SIGTERM (defined in core.stdc.signal)
-        enum SIGTSTP    = 20;
-        enum SIGTTIN    = 21;
-        enum SIGTTOU    = 22;
-        enum SIGUSR1    = 10;
-        enum SIGUSR2    = 12;
-        enum SIGURG     = 23;
-    }
-    else version (MIPS32)
+    else version (MIPS_Any)
     {
         //SIGABRT (defined in core.stdc.signal)
         enum SIGALRM    = 14;
@@ -291,31 +280,7 @@ version (linux)
         enum SIGUSR2    = 17;
         enum SIGURG     = 21;
     }
-    else version (MIPS64)
-    {
-        //SIGABRT (defined in core.stdc.signal)
-        enum SIGALRM    = 14;
-        enum SIGBUS     = 10;
-        enum SIGCHLD    = 18;
-        enum SIGCONT    = 25;
-        //SIGFPE (defined in core.stdc.signal)
-        enum SIGHUP     = 1;
-        //SIGILL (defined in core.stdc.signal)
-        //SIGINT (defined in core.stdc.signal)
-        enum SIGKILL    = 9;
-        enum SIGPIPE    = 13;
-        enum SIGQUIT    = 3;
-        //SIGSEGV (defined in core.stdc.signal)
-        enum SIGSTOP    = 23;
-        //SIGTERM (defined in core.stdc.signal)
-        enum SIGTSTP    = 24;
-        enum SIGTTIN    = 26;
-        enum SIGTTOU    = 27;
-        enum SIGUSR1    = 16;
-        enum SIGUSR2    = 17;
-        enum SIGURG     = 21;
-    }
-    else version (PPC)
+    else version (PPC_Any)
     {
         //SIGABRT (defined in core.stdc.signal)
         enum SIGALRM    = 14;
@@ -339,7 +304,7 @@ version (linux)
         enum SIGUSR2    = 12;
         enum SIGURG     = 23;
     }
-    else version (PPC64)
+    else version (ARM_Any)
     {
         //SIGABRT (defined in core.stdc.signal)
         enum SIGALRM    = 14;
@@ -363,55 +328,7 @@ version (linux)
         enum SIGUSR2    = 12;
         enum SIGURG     = 23;
     }
-    else version (ARM)
-    {
-        //SIGABRT (defined in core.stdc.signal)
-        enum SIGALRM    = 14;
-        enum SIGBUS     = 7;
-        enum SIGCHLD    = 17;
-        enum SIGCONT    = 18;
-        //SIGFPE (defined in core.stdc.signal)
-        enum SIGHUP     = 1;
-        //SIGILL (defined in core.stdc.signal)
-        //SIGINT (defined in core.stdc.signal)
-        enum SIGKILL    = 9;
-        enum SIGPIPE    = 13;
-        enum SIGQUIT    = 3;
-        //SIGSEGV (defined in core.stdc.signal)
-        enum SIGSTOP    = 19;
-        //SIGTERM (defined in core.stdc.signal)
-        enum SIGTSTP    = 20;
-        enum SIGTTIN    = 21;
-        enum SIGTTOU    = 22;
-        enum SIGUSR1    = 10;
-        enum SIGUSR2    = 12;
-        enum SIGURG     = 23;
-    }
-    else version (AArch64)
-    {
-        //SIGABRT (defined in core.stdc.signal)
-        enum SIGALRM    = 14;
-        enum SIGBUS     = 7;
-        enum SIGCHLD    = 17;
-        enum SIGCONT    = 18;
-        //SIGFPE (defined in core.stdc.signal)
-        enum SIGHUP     = 1;
-        //SIGILL (defined in core.stdc.signal)
-        //SIGINT (defined in core.stdc.signal)
-        enum SIGKILL    = 9;
-        enum SIGPIPE    = 13;
-        enum SIGQUIT    = 3;
-        //SIGSEGV (defined in core.stdc.signal)
-        enum SIGSTOP    = 19;
-        //SIGTERM (defined in core.stdc.signal)
-        enum SIGTSTP    = 20;
-        enum SIGTTIN    = 21;
-        enum SIGTTOU    = 22;
-        enum SIGUSR1    = 10;
-        enum SIGUSR2    = 12;
-        enum SIGURG     = 23;
-    }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         //SIGABRT (defined in core.stdc.signal)
         enum SIGALRM    = 14;
@@ -435,7 +352,7 @@ version (linux)
         enum SIGUSR2    = 31;
         enum SIGURG     = 16;
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         //SIGABRT (defined in core.stdc.signal)
         enum SIGALRM    = 14;
@@ -2062,17 +1979,7 @@ int sigrelse(int);
 
 version (CRuntime_Glibc)
 {
-    version (X86)
-    {
-        enum SIGPOLL        = 29;
-        enum SIGPROF        = 27;
-        enum SIGSYS         = 31;
-        enum SIGTRAP        = 5;
-        enum SIGVTALRM      = 26;
-        enum SIGXCPU        = 24;
-        enum SIGXFSZ        = 25;
-    }
-    else version (X86_64)
+    version (X86_Any)
     {
         enum SIGPOLL        = 29;
         enum SIGPROF        = 27;
@@ -2082,7 +1989,7 @@ version (CRuntime_Glibc)
         enum SIGXCPU        = 24;
         enum SIGXFSZ        = 25;
     }
-    else version (MIPS32)
+    else version (MIPS_Any)
     {
         enum SIGPOLL    = 22;
         enum SIGPROF    = 29;
@@ -2092,27 +1999,7 @@ version (CRuntime_Glibc)
         enum SIGXCPU    = 30;
         enum SIGXFSZ    = 31;
     }
-    else version (MIPS64)
-    {
-        enum SIGPOLL    = 22;
-        enum SIGPROF    = 29;
-        enum SIGSYS     = 12;
-        enum SIGTRAP    = 5;
-        enum SIGVTALRM  = 28;
-        enum SIGXCPU    = 30;
-        enum SIGXFSZ    = 31;
-    }
-    else version (PPC)
-    {
-        enum SIGPOLL    = 29;
-        enum SIGPROF    = 27;
-        enum SIGSYS     = 31;
-        enum SIGTRAP    = 5;
-        enum SIGVTALRM  = 26;
-        enum SIGXCPU    = 24;
-        enum SIGXFSZ    = 25;
-    }
-    else version (PPC64)
+    else version (PPC_Any)
     {
         enum SIGPOLL    = 29;
         enum SIGPROF    = 27;
@@ -2122,17 +2009,7 @@ version (CRuntime_Glibc)
         enum SIGXCPU    = 24;
         enum SIGXFSZ    = 25;
     }
-    else version (ARM)
-    {
-        enum SIGPOLL    = 29;
-        enum SIGPROF    = 27;
-        enum SIGSYS     = 31;
-        enum SIGTRAP    = 5;
-        enum SIGVTALRM  = 26;
-        enum SIGXCPU    = 24;
-        enum SIGXFSZ    = 25;
-    }
-    else version (AArch64)
+    else version (ARM_Any)
     {
         enum SIGPOLL    = 29;
         enum SIGPROF    = 27;
@@ -2142,7 +2019,7 @@ version (CRuntime_Glibc)
         enum SIGXCPU    = 24;
         enum SIGXFSZ    = 25;
     }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         enum SIGPOLL    = 23;
         enum SIGPROF    = 27;
@@ -2152,7 +2029,7 @@ version (CRuntime_Glibc)
         enum SIGXCPU    = 24;
         enum SIGXFSZ    = 25;
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         enum SIGPOLL    = 29;
         enum SIGPROF    = 27;
diff --git a/libphobos/libdruntime/core/sys/posix/sys/mman.d b/libphobos/libdruntime/core/sys/posix/sys/mman.d
index b9da7348ff3..0f534c53b29 100644
--- a/libphobos/libdruntime/core/sys/posix/sys/mman.d
+++ b/libphobos/libdruntime/core/sys/posix/sys/mman.d
@@ -26,6 +26,21 @@ else version (TVOS)
 else version (WatchOS)
     version = Darwin;
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (HPPA)    version = HPPA_Any;
+version (HPPA64)  version = HPPA_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 version (Posix):
 extern (C) nothrow @nogc:
 
@@ -313,25 +328,13 @@ version (CRuntime_Glibc)
     }
     else version (SH)
         private enum DEFAULTS = true;
-    else version (AArch64)
-        private enum DEFAULTS = true;
-    else version (ARM)
-        private enum DEFAULTS = true;
-    else version (S390)
+    else version (ARM_Any)
         private enum DEFAULTS = true;
-    else version (SystemZ)
+    else version (IBMZ_Any)
         private enum DEFAULTS = true;
     else version (IA64)
         private enum DEFAULTS = true;
-    else version (HPPA)
-    {
-        private enum DEFAULTS = false;
-        enum MAP_ANON = 0x10;
-        enum MS_SYNC = 1;
-        enum MS_ASYNC = 2;
-        enum MS_INVALIDATE = 4;
-    }
-    else version (HPPA64)
+    else version (HPPA_Any)
     {
         private enum DEFAULTS = false;
         enum MAP_ANON = 0x10;
@@ -343,11 +346,9 @@ version (CRuntime_Glibc)
         private enum DEFAULTS = true;
     else version (TILE)
         private enum DEFAULTS = true;
-    else version (X86)
+    else version (X86_Any)
         private enum DEFAULTS = true;
-    else version (X86_64)
-        private enum DEFAULTS = true;
-    else version (MIPS32)
+    else version (MIPS_Any)
     {
         private enum DEFAULTS = false;
         enum MAP_ANON = 0x0800;
@@ -355,21 +356,9 @@ version (CRuntime_Glibc)
         enum MS_INVALIDATE = 2;
         enum MS_SYNC = 4;
     }
-    else version (MIPS64)
-    {
-        private enum DEFAULTS = false;
-        enum MAP_ANON = 0x0800;
-        enum MS_ASYNC = 1;
-        enum MS_INVALIDATE = 2;
-        enum MS_SYNC = 4;
-    }
-    else version (SPARC)
-        private enum DEFAULTS = true;
-    else version (SPARC64)
+    else version (SPARC_Any)
         private enum DEFAULTS = true;
-    else version (PPC)
-        private enum DEFAULTS = true;
-    else version (PPC64)
+    else version (PPC_Any)
         private enum DEFAULTS = true;
     else
         static assert(0, "unimplemented");
@@ -559,22 +548,12 @@ int munlockall();
 
 version (CRuntime_Glibc)
 {
-    version (SPARC) enum
-    {
-        MCL_CURRENT = 0x2000,
-        MCL_FUTURE = 0x4000,
-    }
-    else version (SPARC64) enum
-    {
-        MCL_CURRENT = 0x2000,
-        MCL_FUTURE = 0x4000,
-    }
-    else version (PPC) enum
+    version (SPARC_Any) enum
     {
         MCL_CURRENT = 0x2000,
         MCL_FUTURE = 0x4000,
     }
-    else version (PPC64) enum
+    else version (PPC_Any) enum
     {
         MCL_CURRENT = 0x2000,
         MCL_FUTURE = 0x4000,
diff --git a/libphobos/libdruntime/core/sys/posix/sys/socket.d b/libphobos/libdruntime/core/sys/posix/sys/socket.d
index 6a82918aaba..db13bdf2301 100644
--- a/libphobos/libdruntime/core/sys/posix/sys/socket.d
+++ b/libphobos/libdruntime/core/sys/posix/sys/socket.d
@@ -27,6 +27,19 @@ else version (TVOS)
 else version (WatchOS)
     version = Darwin;
 
+version (ARM)     version = ARM_Any;
+version (AArch64) version = ARM_Any;
+version (MIPS32)  version = MIPS_Any;
+version (MIPS64)  version = MIPS_Any;
+version (PPC)     version = PPC_Any;
+version (PPC64)   version = PPC_Any;
+version (S390)    version = IBMZ_Any;
+version (SPARC)   version = SPARC_Any;
+version (SPARC64) version = SPARC_Any;
+version (SystemZ) version = IBMZ_Any;
+version (X86)     version = X86_Any;
+version (X86_64)  version = X86_Any;
+
 version (Posix):
 extern (C) nothrow @nogc:
 
@@ -240,42 +253,7 @@ version (CRuntime_Glibc)
         int l_linger;
     }
 
-    version (X86)
-    {
-        enum
-        {
-            SOCK_DGRAM      = 2,
-            SOCK_SEQPACKET  = 5,
-            SOCK_STREAM     = 1
-        }
-
-        enum
-        {
-            SOL_SOCKET      = 1
-        }
-
-        enum
-        {
-            SO_ACCEPTCONN   = 30,
-            SO_BROADCAST    = 6,
-            SO_DEBUG        = 1,
-            SO_DONTROUTE    = 5,
-            SO_ERROR        = 4,
-            SO_KEEPALIVE    = 9,
-            SO_LINGER       = 13,
-            SO_OOBINLINE    = 10,
-            SO_RCVBUF       = 8,
-            SO_RCVLOWAT     = 18,
-            SO_RCVTIMEO     = 20,
-            SO_REUSEADDR    = 2,
-            SO_REUSEPORT    = 15,
-            SO_SNDBUF       = 7,
-            SO_SNDLOWAT     = 19,
-            SO_SNDTIMEO     = 21,
-            SO_TYPE         = 3
-        }
-    }
-    else version (X86_64)
+    version (X86_Any)
     {
         enum
         {
@@ -310,41 +288,7 @@ version (CRuntime_Glibc)
             SO_TYPE         = 3
         }
     }
-    else version (MIPS32)
-    {
-        enum
-        {
-            SOCK_DGRAM      = 1,
-            SOCK_SEQPACKET  = 5,
-            SOCK_STREAM     = 2,
-        }
-
-        enum
-        {
-            SOL_SOCKET      = 0xffff
-        }
-
-        enum
-        {
-            SO_ACCEPTCONN   = 0x1009,
-            SO_BROADCAST    = 0x0020,
-            SO_DEBUG        = 0x0001,
-            SO_DONTROUTE    = 0x0010,
-            SO_ERROR        = 0x1007,
-            SO_KEEPALIVE    = 0x0008,
-            SO_LINGER       = 0x0080,
-            SO_OOBINLINE    = 0x0100,
-            SO_RCVBUF       = 0x1002,
-            SO_RCVLOWAT     = 0x1004,
-            SO_RCVTIMEO     = 0x1006,
-            SO_REUSEADDR    = 0x0004,
-            SO_SNDBUF       = 0x1001,
-            SO_SNDLOWAT     = 0x1003,
-            SO_SNDTIMEO     = 0x1005,
-            SO_TYPE         = 0x1008,
-        }
-    }
-    else version (MIPS64)
+    else version (MIPS_Any)
     {
         enum
         {
@@ -378,7 +322,7 @@ version (CRuntime_Glibc)
             SO_TYPE         = 0x1008,
         }
     }
-    else version (PPC)
+    else version (PPC_Any)
     {
         enum
         {
@@ -412,76 +356,7 @@ version (CRuntime_Glibc)
             SO_TYPE         = 3
         }
     }
-    else version (PPC64)
-    {
-        enum
-        {
-            SOCK_DGRAM      = 2,
-            SOCK_SEQPACKET  = 5,
-            SOCK_STREAM     = 1
-        }
-
-        enum
-        {
-            SOL_SOCKET      = 1
-        }
-
-        enum
-        {
-            SO_ACCEPTCONN   = 30,
-            SO_BROADCAST    = 6,
-            SO_DEBUG        = 1,
-            SO_DONTROUTE    = 5,
-            SO_ERROR        = 4,
-            SO_KEEPALIVE    = 9,
-            SO_LINGER       = 13,
-            SO_OOBINLINE    = 10,
-            SO_RCVBUF       = 8,
-            SO_RCVLOWAT     = 16,
-            SO_RCVTIMEO     = 18,
-            SO_REUSEADDR    = 2,
-            SO_SNDBUF       = 7,
-            SO_SNDLOWAT     = 17,
-            SO_SNDTIMEO     = 19,
-            SO_TYPE         = 3
-        }
-    }
-    else version (AArch64)
-    {
-        enum
-        {
-            SOCK_DGRAM      = 2,
-            SOCK_SEQPACKET  = 5,
-            SOCK_STREAM     = 1
-        }
-
-        enum
-        {
-            SOL_SOCKET      = 1
-        }
-
-        enum
-        {
-            SO_ACCEPTCONN   = 30,
-            SO_BROADCAST    = 6,
-            SO_DEBUG        = 1,
-            SO_DONTROUTE    = 5,
-            SO_ERROR        = 4,
-            SO_KEEPALIVE    = 9,
-            SO_LINGER       = 13,
-            SO_OOBINLINE    = 10,
-            SO_RCVBUF       = 8,
-            SO_RCVLOWAT     = 18,
-            SO_RCVTIMEO     = 20,
-            SO_REUSEADDR    = 2,
-            SO_REUSEPORT    = 15,
-            SO_SNDBUF       = 7,
-            SO_SNDLOWAT     = 19,
-            SO_SNDTIMEO     = 21,
-            SO_TYPE         = 3
-        }
-    }
-    else version (ARM)
+    else version (ARM_Any)
     {
         enum
         {
@@ -516,7 +391,7 @@ version (CRuntime_Glibc)
             SO_TYPE         = 3
         }
     }
-    else version (SPARC64)
+    else version (SPARC_Any)
     {
         enum
         {
@@ -550,7 +425,7 @@ version (CRuntime_Glibc)
             SO_TYPE         = 3
         }
     }
-    else version (SystemZ)
+    else version (IBMZ_Any)
     {
         enum
         {
