From d59dcbcaebd91ca30a0f866403c383177a4843f8 Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Sun, 12 Jan 2020 10:10:15 +0100 Subject: [PATCH] acinclude.m4: add -latomic to PKGCFG_LIBS_PRIVATE Add -latomic to PKGCFG_LIBS_PRIVATE so applications linking statically with libzmq (such czmq) will know that they have to link with -latomic and the following build failure will be avoided: CCLD src/czmq_selftest /home/buildroot/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/sparc-buildroot-linux-uclibc/7.4.0/../../../../sparc-buildroot-linux-uclibc/bin/ld: /home/buildroot/autobuild/run/instance-3/output-1/host/sparc-buildroot-linux-uclibc/sysroot/usr/lib/libzmq.a(src_libzmq_la-ctx.o): in function `zmq::ctx_t::create_socket(int)': ctx.cpp:(.text+0x1710): undefined reference to `__atomic_fetch_add_4' Fixes: - http://autobuild.buildroot.org/results/4a12f1ede260cd956a0b5ccb4eec6ca8b44cb04f Signed-off-by: Fabrice Fontaine --- acinclude.m4 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/acinclude.m4 b/acinclude.m4 index 8c042ca5..387a3d2a 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -691,7 +691,7 @@ int main (int, char **) return t; } ])], - [AC_MSG_RESULT(yes) ; libzmq_cv_has_atomic_instrisics="yes" ; $1], + [AC_MSG_RESULT(yes) ; libzmq_cv_has_atomic_instrisics="yes" PKGCFG_LIBS_PRIVATE="$PKGCFG_LIBS_PRIVATE -latomic" ; $1], [AC_MSG_RESULT(no) ; libzmq_cv_has_atomic_instrisics="no" LIBS=$save_LIBS ; $2]) fi }])