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package/glibmm: 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 glibmm 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/e196d77626b877dc3454d21febe20a04877c02a9/

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
[Thomas: tweak CXXFLAGS logic, improve commit log]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Giulio Benetti 2019-05-21 15:39:26 +02:00 committed by Thomas Petazzoni
parent 2f5d554f4d
commit 8d8d4ecaf1
1 changed files with 8 additions and 0 deletions
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8
package/glibmm/glibmm.mk
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@ -13,4 +13,12 @@ GLIBMM_SITE = http://ftp.gnome.org/pub/gnome/sources/glibmm/$(GLIBMM_VERSION_MAJ
GLIBMM_INSTALL_STAGING = YES
GLIBMM_DEPENDENCIES = libglib2 libsigc host-pkgconf
GLIBMM_CXXFLAGS = $(TARGET_CXXFLAGS)
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
GLIBMM_CXXFLAGS += -O0
endif
GLIBMM_CONF_ENV += CXXFLAGS="$(TARGET_CXXFLAGS)"
$(eval $(autotools-package))