@@ -9,3 +9,37 @@ config BR2_PACKAGE_FFTW
double precision.
http://www.fftw.org
+
+if BR2_PACKAGE_FFTW
+
+choice
+ prompt "fftw precision"
+ default BR2_PACKAGE_FFTW_PRECISION_NONE
+ help
+ Selects fftw precision
+
+config BR2_PACKAGE_FFTW_PRECISION_NONE
+ bool "none"
+ help
+ no compile precision selected
+
+config BR2_PACKAGE_FFTW_PRECISION_SINGLE
+ bool "single precision"
+ help
+ compile fftw in single precision
+
+config BR2_PACKAGE_FFTW_PRECISION_LONG_DOUBLE
+ bool "long double precision"
+ help
+ compile fftw in long-double precision
+
+config BR2_PACKAGE_FFTW_PRECISION_QUAD
+ bool "quad precision"
+ # quad-precision needs to have a gcc with libquadmath
+ depends on (BR2_i386 || BR2_x86_64) && BR2_USE_WCHAR
+ help
+ compile fftw in quadruple precision if available
+
+endchoice
+
+endif
@@ -10,4 +10,13 @@ FFTW_INSTALL_STAGING = YES
FFTW_LICENSE = GPLv2+
FFTW_LICENSE_FILES = COPYING
+ifeq ($(BR2_PACKAGE_FFTW_PRECISION_SINGLE),y)
+FFTW_CONF_OPTS = --enable-single
+endif
+ifeq ($(BR2_PACKAGE_FFTW_PRECISION_LONG_DOUBLE),y)
+FFTW_CONF_OPTS = --enable-long-double
+endif
+ifeq ($(BR2_PACKAGE_FFTW_PRECISION_QUAD),y)
+FFTW_CONF_OPTS = --enable-quad-precision
+endif
$(eval $(autotools-package))