diff options
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 52cb1d0f2a..8cc4c26d60 100644 --- a/configure.ac +++ b/configure.ac @@ -208,7 +208,10 @@ AC_CHECK_HEADERS([netinet/tcp.h]) AC_CHECK_HEADERS([stdatomic.h]) dnl This ensures that we link with the right library for atomic operations on Linux SPARC -AC_SEARCH_LIBS([__atomic_load_4], [atomic], [AC_SUBST([LIBATOMIC_LIBS], [-latomic])]) +AC_SEARCH_LIBS([__atomic_load_4], [atomic], [], [AC_MSG_NOTICE([Could not detect libatomic])]) +AS_IF([test "$ac_cv_search___atomic_load_4" = "none required" || test "$ac_cv_search___atomic_load_4" = "no"], + [AC_SUBST([LIBATOMIC_LIBS], [])], + [AC_SUBST([LIBATOMIC_LIBS], [$ac_cv_search___atomic_load_4])]) dnl We use its presence to detect C11 threads AC_CHECK_HEADERS([threads.h]) |