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author | Bernd Kuhls <bernd.kuhls@t-online.de> | 2017-07-29 22:32:20 +0200 |
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committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2017-07-29 22:42:51 +0200 |
commit | 8d6371f51265ac6d460e7b1cfc987c9fd2f0785d (patch) | |
tree | b17722dafc2a3147db58f5cb2a23f8f3cc9bcf92 | |
parent | 63eeb9a383991b9ac92b524b63ac87f7b4657699 (diff) | |
download | buildroot-8d6371f51265ac6d460e7b1cfc987c9fd2f0785d.tar.gz buildroot-8d6371f51265ac6d460e7b1cfc987c9fd2f0785d.zip |
package/cc-tool: link with libatomic when needed
Detecting the boost program_options library is broken:
checking for the Boost program_options library... no
configure: error: cannot find the flags to link with Boost program_options
config.log shows the reason, libatomic is missing:
conftest.o: In function `boost::detail::sp_counted_base::release()':
conftest.cpp:(.text._ZN5boost6detail15sp_counted_base7releaseEv[_ZN5boost6detail15sp_counted_base7releaseEv]+0xc):
undefined reference to `__atomic_fetch_sub_4'
conftest.cpp:(.text._ZN5boost6detail15sp_counted_base7releaseEv[_ZN5boost6detail15sp_counted_base7releaseEv]+0x38):
undefined reference to `__atomic_fetch_sub_4'
/home/buildroot/br4/output/host/sparc-buildroot-linux-uclibc/sysroot/usr/lib/libboost_program_options.so:
undefined reference to `__atomic_fetch_add_4'
Please note that using LIBS=-latomic is not enough, although it fixes
the configure check the bug reoccurs when linking cc-tool:
CXXLD cc-tool
src/application/cc_flasher.o: In function `boost::detail::sp_counted_base::weak_release()':
cc_flasher.cpp:(.text._ZN5boost6detail15sp_counted_base12weak_releaseEv[_ZN5boost6detail15sp_counted_base12weak_releaseEv]+0xc):
undefined reference to `__atomic_fetch_sub_4'
We need to add -latomic to CXXFLAGS to both fix configure and linking.
Fixes
http://autobuild.buildroot.net/results/596/596f97364bb2c7598b0646da8160939356f0d2c6/
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
-rw-r--r-- | package/cc-tool/cc-tool.mk | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/package/cc-tool/cc-tool.mk b/package/cc-tool/cc-tool.mk index b9209ced3d..37ac57e497 100644 --- a/package/cc-tool/cc-tool.mk +++ b/package/cc-tool/cc-tool.mk @@ -23,4 +23,8 @@ ifeq ($(BR2_STATIC_LIBS),y) CC_TOOL_CONF_ENV += LIBS="-lpthread" endif +ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y) +CC_TOOL_CONF_ENV += CXXFLAGS="$(TARGET_CXXFLAGS) -latomic" +endif + $(eval $(autotools-package)) |