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package/glibmm: link with -latomic if needed

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Link with -latomic if needed to avoid the following build failure since
bump to version 2.68.2 in commit
dddb65efbd:

/home/peko/autobuild/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/9.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld: glib/glibmm/libglibmm-2.68.so.1.3.0.p/main.cc.o: in function `Glib::Source::reference() const':
main.cc:(.text+0xd40): undefined reference to `__atomic_fetch_add_4'

Fixes:
 - http://autobuild.buildroot.org/results/6a2709956fbb16ac3cbf676acb242c88f83fcdae

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Fabrice Fontaine 2021-12-29 10:42:25 +01:00 committed by Thomas Petazzoni
parent 88c60dbe91
commit a60b29937b
1 changed files with 6 additions and 0 deletions
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6
package/glibmm/glibmm.mk
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@ -15,9 +15,15 @@ GLIBMM_DEPENDENCIES = libglib2 libsigc host-pkgconf
GLIBMM_CONF_OPTS = -Dbuild-examples=false
GLIBMM_CXXFLAGS = $(TARGET_CXXFLAGS)
GLIBMM_LDFLAGS = $(TARGET_LDFLAGS)
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
GLIBMM_CXXFLAGS += -O0
endif
# Uses __atomic_fetch_add_4
ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
GLIBMM_LDFLAGS += -latomic
endif
$(eval $(meson-package))