From 996bd23fe75ec7be9533a040abf3d5e6035e8e0c Mon Sep 17 00:00:00 2001 From: Peter Trommler Date: Tue, 24 Sep 2013 13:44:54 +0200 Subject: Fix library detection of shm* on openSUSE (#8350) Use the new AC_SERACH_LIBS to check if rt is needed for shm_open and shm_unlink. This sets LIBS and so the shm_* functions can be found if librt is indeed required. Passing -lrt through CFLAGS is not portable. Signed-off-by: Austin Seipp --- configure.ac | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index e5c2c07..f295061 100644 --- a/configure.ac +++ b/configure.ac @@ -62,10 +62,9 @@ AC_CHECK_FUNCS([lutimes futimes]) AC_CHECK_FUNCS([mkstemps mkdtemp]) # Avoid adding rt if absent or unneeded -AC_CHECK_LIB(rt, shm_open, [EXTRA_LIBS="$EXTRA_LIBS rt" CFLAGS="$CFLAGS -lrt"]) - -# needs -lrt on linux -AC_CHECK_FUNCS([shm_open shm_unlink]) +# shm_open needs -lrt on linux +AC_SEARCH_LIBS(shm_open, rt, [AC_CHECK_FUNCS([shm_open shm_unlink])]) +AS_IF([test "x$ac_cv_search_shm_open" = x-lrt], [EXTRA_LIBS="$EXTRA_LIBS rt"]) FP_CHECK_CONSTS([SIGABRT SIGALRM SIGBUS SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV SIGSTOP SIGTERM SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2 SIGPOLL SIGPROF SIGSYS SIGTRAP SIGURG SIGVTALRM SIGXCPU SIGXFSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK], [ #if HAVE_SIGNAL_H -- cgit v1.2.3