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package/brotli: work around gcc bug 68485

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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@micronovasrl.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 39dde1ffb6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Giulio Benetti 2019-05-27 23:38:23 +02:00 committed by Peter Korsgaard
parent 186172bd0c
commit 6155749436
1 changed files with 4 additions and 0 deletions
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4
package/brotli/brotli.mk
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@ -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"
endif
$(eval $(cmake-package))