[oe-commits] [meta-openembedded] 89/97: opensaf: Add -latomic to LDFLAGS

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martin_jansa pushed a commit to branch master-next
in repository meta-openembedded.

commit fe05171592dd7791de22fc7176a5e8e5a7b38cfe
Author: Mingli Yu <Mingli.Yu at windriver.com>
AuthorDate: Mon May 22 17:42:08 2017 +0800

    opensaf: Add -latomic to LDFLAGS
    
    * Add "-Wl,--as-needed -latomic -Wl,--no-as-needed"
      to LDFLAGS to let the libatomic handled automatically
      if required to fix below build error as atomic
      operations on some arch such as x86 are supplied by
      the compiler. For other arch which lacks the instructions,
      a standardized external call provided by external library
      libatomic will be made to perform the operation.
    
      | src/amf/amfd/bin_osafamfd-main.o: In function `std::__atomic_base<unsigned long long>::load(std::memory_order) const':
      | $Prj/build/tmp/work/ppc7400-wrs-linux/opensaf/5.2.0-r0/recipe-sysroot/usr/include/c++/6.3.0/bits/atomic_base.h:396: undefined reference to `__atomic_load_8'
      | $Prj/build/tmp/work/ppc7400-wrs-linux/opensaf/5.2.0-r0/recipe-sysroot/usr/include/c++/6.3.0/bits/atomic_base.h:396: undefined reference to `__atomic_load_8'
      | collect2: error: ld returned 1 exit status
      | make[2]: *** [Makefile:8200: bin/osafamfd] Error 1
      | make[2]: *** Waiting for unfinished jobs....
      | make[2]: Leaving directory '$Prj/build/tmp/work/ppc7400-wrs-linux/opensaf/5.2.0-r0/build'
      | make[1]: *** [Makefile:19749: all-recursive] Error 1
      | make[1]: Leaving directory '$Prj/build/tmp/work/ppc7400-wrs-linux/opensaf/5.2.0-r0/build'
      | make: *** [Makefile:6175: all] Error 2
    
     Reference: https://gcc.gnu.org/wiki/Atomic/GCCMM/LIbrary#line-23
    
    Signed-off-by: Mingli Yu <Mingli.Yu at windriver.com>
    Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
---
 meta-networking/recipes-daemons/opensaf/opensaf_5.2.0.bb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta-networking/recipes-daemons/opensaf/opensaf_5.2.0.bb b/meta-networking/recipes-daemons/opensaf/opensaf_5.2.0.bb
index babf03e..be79ba8 100644
--- a/meta-networking/recipes-daemons/opensaf/opensaf_5.2.0.bb
+++ b/meta-networking/recipes-daemons/opensaf/opensaf_5.2.0.bb
@@ -43,6 +43,8 @@ PACKAGECONFIG_append = "${@bb.utils.contains('DISTRO_FEATURES', 'systemd', ' sys
 
 PKGLIBDIR="${libdir}"
 
+LDFLAGS += "-Wl,--as-needed -latomic -Wl,--no-as-needed"
+
 do_install_append() {
     cp -av --no-preserve=ownership ${B}/lib/.libs/*.so* ${D}${libdir}
     rm -fr "${D}${localstatedir}/lock"

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