| Message ID | CAC3GErEZ0t8BD5d7UzZm4sk=_stpTZEOqNk+PhMSZRQnSNyE=A@mail.gmail.com |
|---|---|
| State | Not Applicable |
| Headers | show |
On Wed, Sep 4, 2013 at 8:16 PM, Simon Glass <sjg@google.com> wrote: > Hi Vadim, > > OK I see. > > You can do something like this: > > CFLAGS_arch/arm/cpu/tegra20-common/warmboot_avp.o += -march=armv4t > > (this is used by Tegra) > > Regards, > Simon > Ah, this works, thank you, Simon! --vb > > On Wed, Sep 4, 2013 at 8:25 PM, Vadim Bendebury <vbendeb@chromium.org> wrote: >> this is the tweak >> >> ---------- Forwarded message ---------- >> From: Vadim Bendebury <vbendeb@chromium.org> >> Date: Wed, Sep 4, 2013 at 11:49 AM >> Subject: Compiling certain files with extra compiler flags >> To: uboot <u-boot@lists.denx.de> >> >> >> Does u-boot provide the ability to change compilation options 'on the >> fly', say when certain files need to be compiled for symbolic >> debugging? I looked but did not find any. >> >> How about something like this: >> >> vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv >> $ git diff config.mk >> diff --git a/config.mk b/config.mk >> index 853e6d8..41cafbb 100644 >> --- a/config.mk >> +++ b/config.mk >> @@ -406,7 +406,7 @@ $(obj)%.o: %.c >> ifneq ($(CHECKSRC),0) >> $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $< >> endif >> - $(CC) $(ALL_CFLAGS) -o $@ $< -c >> + $(CC) $(ALL_CFLAGS) $(CPP_$(subst .,_,$<)) -o $@ $< -c >> $(obj)%.i: %.c >> $(CPP) $(ALL_CFLAGS) -o $@ $< -c >> $(obj)%.s: %.c >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ >> >> Then, say I want to have spl_boot.c compiled with extra flags, just >> invoking make like this does the trick: >> >> CPP_spl_boot_c='-O0 -fno-default-inline' make ... >> >> Or is there a better way? >> >> --vb
Hi Vadim, On Thu, Sep 5, 2013 at 10:50 AM, Vadim Bendebury <vbendeb@chromium.org> wrote: > On Wed, Sep 4, 2013 at 8:16 PM, Simon Glass <sjg@google.com> wrote: >> Hi Vadim, >> >> OK I see. >> >> You can do something like this: >> >> CFLAGS_arch/arm/cpu/tegra20-common/warmboot_avp.o += -march=armv4t >> >> (this is used by Tegra) >> >> Regards, >> Simon >> > > Ah, this works, thank you, Simon! Great! > > --vb Regards, Simon
diff --git a/config.mk b/config.mk index 853e6d8..41cafbb 100644 --- a/config.mk +++ b/config.mk @@ -406,7 +406,7 @@ $(obj)%.o: %.c ifneq ($(CHECKSRC),0) $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $< endif - $(CC) $(ALL_CFLAGS) -o $@ $< -c + $(CC) $(ALL_CFLAGS) $(CPP_$(subst .,_,$<)) -o $@ $< -c $(obj)%.i: %.c $(CPP) $(ALL_CFLAGS) -o $@ $< -c $(obj)%.s: %.c