[Buildroot] [git commit] fftw: fix build failure with old gcc
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Sat Apr 11 13:21:31 UTC 2015
commit: http://git.buildroot.net/buildroot/commit/?id=9cd352f4df400e93dc0a6c0e09f679ae84ed2240
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master
-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 at trabucayre.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
---
package/fftw/fftw.mk | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/package/fftw/fftw.mk b/package/fftw/fftw.mk
index 1148909..5045ab6 100644
--- a/package/fftw/fftw.mk
+++ b/package/fftw/fftw.mk
@@ -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
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