[Buildroot] [git commit] package/brotli: work around gcc bug 68485

Peter Korsgaard peter at korsgaard.com
Thu Jun 6 15:24:47 UTC 2019


>>>>> "Arnout" == Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be> writes:

 > commit: https://git.buildroot.net/buildroot/commit/?id=39dde1ffb6a7111c2fa2b340c940e4d3e685aa29
 > branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

 > With Microblaze Gcc version <= 9.x the build fails due to gcc bug 68485:
 > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485. The bug show up when
 > building brotli with optimization but not when building with -O0. To
 > work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_68458=y, we force using
 > -O0.

 > Fixes:

 >   http://autobuild.buildroot.net/results/d86/d86251974a0a348a64d9a1d1fd7d02dd4aff0792/

 > Signed-off-by: Giulio Benetti <giulio.benetti at micronovasrl.com>
 > Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
 > ---
 >  package/brotli/brotli.mk | 4 ++++
 >  1 file changed, 4 insertions(+)

 > diff --git a/package/brotli/brotli.mk b/package/brotli/brotli.mk
 > index 2c1ad48753..248bfb9daf 100644
 > --- a/package/brotli/brotli.mk
 > +++ b/package/brotli/brotli.mk
 > @@ -14,4 +14,8 @@ BROTLI_CONF_OPTS = \
 >  	-DBROTLI_DISABLE_TESTS=ON \
 >  	-DBROTLI_BUNDLED_MODE=OFF
 
 > +ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_68485),y)
 > +BROTLI_CONF_OPTS += -DCMAKE_C_FLAGS="-O0"

Hmm, why is this not "$(TARGET_C_FLAGS) -O0" like for the other
packages?

-- 
Bye, Peter Korsgaard


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