Better at funcs detection

[netatalk.git] / configure.in

diff --git a/configure.in b/configure.in
index 5bce2794280061f2070215b0edb1e872fce6a0b6..a24906f2040403a8c82ac9ee8cfc5d1109a478f2 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -73,7 +73,13 @@ AC_FUNC_WAIT3
 AC_CHECK_FUNCS(getcwd gethostname gettimeofday getusershell mkdir rmdir select socket strdup strcasestr strstr strtoul strchr memcpy)
 AC_CHECK_FUNCS(backtrace_symbols setlocale nl_langinfo strlcpy strlcat setlinebuf dirfd pselect access pread pwrite)
 AC_CHECK_FUNCS(waitpid getcwd strdup strndup strnlen strtoul strerror chown fchown chmod fchmod chroot link mknod mknod64)
-AC_CHECK_FUNC(renameat, AC_DEFINE([_ATFILE_SOURCE], 1, AT file source)) 
+ac_neta_haveatfuncs=yes
+AC_CHECK_FUNCS(openat renameat fstatat unlinkat, , ac_neta_haveatfuncs=no)
+if test x"$ac_neta_haveatfuncs" = x"yes" ; then
+   AC_DEFINE([_ATFILE_SOURCE], 1, AT file source)
+   AC_DEFINE([HAVE_ATFUNCS], 1, whether at funcs are available)
+fi
+
 AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,, [#include <time.h>])
 
 AC_CHECK_FUNC(gethostbyname,,[AC_CHECK_LIB(nsl,gethostbyname)])