build-sys: declare SUID_CFLAGS and SUID_LDFLAGS as precious

Use AC_ARG_VAR to declare the variables SUID_CFLAGS and SUID_LDFLAGS as
precious.

Signed-off-by: Stepan Kasal <skasal@redhat.com>

diff --git a/configure.ac b/configure.ac
index 8740086dfc43c8dbff395539378f9950312e66dc..5564475b1e1b3220f9b6ceb2c013bdb9f59ddfdb 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -399,8 +399,10 @@ if test x$enable_use_tty_group = xyes; then
 fi
 
 
-AC_SUBST([SUID_CFLAGS])
-AC_SUBST([SUID_LDFLAGS])
+AC_ARG_VAR([SUID_CFLAGS],
+          [CFLAGS used for binaries which are usually with the suid bit])
+AC_ARG_VAR([SUID_LDFLAGS],
+          [LDFLAGS used for binaries which are usually with the suid bit])
 
 LIBS=""