Link against -lcap only where required

[elogind.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 82ed85c3f89faffa7d9734d7951e252fff470896..a551d2367282b1da8eb1dbcb918d21e5f6f02435 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -111,8 +111,14 @@ LT_INIT
 
 AC_SEARCH_LIBS([clock_gettime], [rt], [], [AC_MSG_ERROR([*** POSIX RT library not found])])
 AC_SEARCH_LIBS([dlsym], [dl], [], [AC_MSG_ERROR([*** Dynamic linking loader library not found])])
+
+save_LIBS="$LIBS"
+LIBS=
 AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
 AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
+CAP_LIBS="$LIBS"
+LIBS="$save_LIBS"
+AC_SUBST(CAP_LIBS)
 
 # This makes sure pkg.m4 is available.
 m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])