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package/libcamera-apps: link with -latomic if needed

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Link with -latomic if needed to avoid the following build failure raised
since the addition of the package in commit
7227d005d2:

/home/buildroot/autobuild/instance-2/output-1/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/10.3.0/../../../../sparc-buildroot-linux-uclibc/bin/ld: CMakeFiles/libcamera-still.dir/libcamera_still.cpp.o: undefined reference to symbol '__atomic_fetch_sub_4@@LIBATOMIC_1.0'

Fixes:
 - http://autobuild.buildroot.org/results/b20465140f3a5281f9b586f442b67fd400e7184a

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Fabrice Fontaine 2022-03-02 19:42:09 +01:00 committed by Peter Korsgaard
parent efcb7eeabc
commit f41d47f15b
1 changed files with 4 additions and 0 deletions
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4
package/libcamera-apps/libcamera-apps.mk
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@ -45,4 +45,8 @@ else
LIBCAMERA_APPS_CONF_OPTS += -DENABLE_QT=0
endif
ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
LIBCAMERA_APPS_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic
endif
$(eval $(cmake-package))