| From e0de0d9e981ddb53bdeb4a4b9dc43046c9ff4ff9 Mon Sep 17 00:00:00 2001 |
| From: Fabrice Fontaine <fontaine.fabrice@gmail.com> |
| Date: Thu, 6 May 2021 23:08:36 +0200 |
| Subject: [PATCH] link with -latomic if needed |
| |
| numactl unconditionally uses __atomic_fetch_and but some architectures |
| (e.g. sparc) needs to link with -latomic to be able to use it. So check |
| if -latomic is needed and update numa.pc accordingly |
| |
| Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> |
| --- |
| Makefile.am | 1 + |
| configure.ac | 2 ++ |
| numa.pc.in | 1 + |
| 3 files changed, 4 insertions(+) |
| |
| diff --git a/Makefile.am b/Makefile.am |
| index 44d0d76..34f6815 100644 |
| --- a/Makefile.am |
| +++ b/Makefile.am |
| @@ -151,6 +151,7 @@ SED_PROCESS = \ |
| -e 's,@exec_prefix\@,$(exec_prefix),g' \ |
| -e 's,@libdir\@,$(libdir),g' \ |
| -e 's,@includedir\@,$(includedir),g' \ |
| + -e 's,@LIBS\@,$(LIBS),g' \ |
| < $< > $@ || rm $@ |
| |
| %.pc: %.pc.in Makefile |
| diff --git a/configure.ac b/configure.ac |
| index 659a765..e3b0eb3 100644 |
| --- a/configure.ac |
| +++ b/configure.ac |
| @@ -24,6 +24,8 @@ AM_CONDITIONAL([HAVE_TREE_VECTORIZE], [test x"${tree_vectorize}" = x"true"]) |
| |
| AC_CONFIG_FILES([Makefile]) |
| |
| +AC_SEARCH_LIBS([__atomic_fetch_and_1], [atomic]) |
| + |
| # GCC tries to be "helpful" and only issue a warning for unrecognized |
| # attributes. So we compile the test with Werror, so that if the |
| # attribute is not recognized the compilation fails |
| diff --git a/numa.pc.in b/numa.pc.in |
| index 8a0f202..cc04d50 100644 |
| --- a/numa.pc.in |
| +++ b/numa.pc.in |
| @@ -8,3 +8,4 @@ Description: NUMA policy library |
| Version: @VERSION@ |
| Cflags: -I${includedir} |
| Libs: -L${libdir} -lnuma |
| +Libs.Private: @LIBS@ |
