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fftw: fix build failure with old gcc

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-Ofast is not available on gcc <4.6. This option is equivalent to
-O3 -ffast-math.

Fixes:
http://autobuild.buildroot.org/results/207/207a20a3ca5e62029823b1361479d5cd38fefeb0/
http://autobuild.buildroot.net/results/871/871b29c9bbf94aa05034c442f35c8771f83abe1e/

[Thomas: remove Yann SoB.]

Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Gwenhael Goavec-Merou 2015-04-11 12:41:47 +02:00 committed by Thomas Petazzoni
parent 365f6dacdf
commit 9cd352f4df
1 changed files with 1 additions and 1 deletions
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2
package/fftw/fftw.mk
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@ -18,7 +18,7 @@ FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_PRECISION_QUAD),--enable,--disable)-qu
FFTW_CFLAGS = $(TARGET_CFLAGS)
ifeq ($(BR2_PACKAGE_FFTW_FAST),y)
FFTW_CFLAGS += -Ofast
FFTW_CFLAGS += -O3 -ffast-math
endif
# x86 optimisations