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package/kmsxx: work around gcc bug 85180

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With Microblaze Gcc version < 8.x the build hangs due to gcc bug
85180: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. The bug
shows up when building kmsxx with optimization but not when building
with -O0. To work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_85180=y we
force using -O0.

Fixes:
http://autobuild.buildroot.net/results/360/360f19645e76314048c75424bb4b64da91742f47/

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Giulio Benetti 2019-06-14 23:03:32 +02:00 committed by Thomas Petazzoni
parent 5a2452df76
commit 10fe80b909
1 changed files with 8 additions and 0 deletions
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8
package/kmsxx/kmsxx.mk
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@ -12,6 +12,14 @@ KMSXX_INSTALL_STAGING = YES
KMSXX_DEPENDENCIES = libdrm host-pkgconf
KMSXX_CONF_OPTS = -DKMSXX_ENABLE_PYTHON=OFF
KMSXX_CXXFLAGS = $(TARGET_CXXFLAGS)
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
KMSXX_CXXFLAGS += -O0
endif
KMSXX_CONF_OPTS += -DCMAKE_CXX_FLAGS="$(KMSXX_CXXFLAGS)"
ifeq ($(BR2_PACKAGE_KMSXX_INSTALL_TESTS),y)
KMSXX_TESTS = \
fbtest kmsblank kmscapture \