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package/kismet: work around gcc bug 85180

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With Microblaze Gcc version < 8.x the build hangs due to bug 85180:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. The bug shows up
when building kismet 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/02f6e616631f05a4f15f31f2b2e67d65ba7afcb0/

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
[Thomas: tweak CFLAGS logic, improve commit log]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Giulio Benetti 2019-05-21 15:39:29 +02:00 committed by Thomas Petazzoni
parent 72e0ff66e7
commit a7d313e980
1 changed files with 8 additions and 0 deletions
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8
package/kismet/kismet.mk
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@ -15,6 +15,14 @@ KISMET_LICENSE_FILES = debian/copyright
# We touch configure.in:
KISMET_AUTORECONF = YES
KISMET_CXXFLAGS = $(TARGET_CXXFLAGS)
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
KISMET_CXXFLAGS += -O0
endif
KISMET_CONF_ENV += CXXFLAGS="$(KISMET_CXXFLAGS)"
ifeq ($(BR2_PACKAGE_LIBCAP),y)
KISMET_DEPENDENCIES += libcap
endif