build/autoconf: put ld check variable in quotes

Signed-off-by: Bjoern Jacke <bj@sernet.de>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit ac9620b942d6d51a1c35c4177c3f241351fc1ebd)

The last 2 patches address bug #7825 (need to fix GNU ld version detection with
old gcc releases).

diff --git a/source3/configure.in b/source3/configure.in
index 020683b862bef43a564e5df5648087b85de5e772..86da83d0c819d848279f1ee0dfdd1675e501d5f7 100644 (file)
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -233,7 +233,7 @@ dnl warnings when building modules.
 if test "$ac_cv_prog_gnu_ld" = "yes"; then
        ac_cv_gnu_ld_version=`$CC -Wl,-v /dev/null 2> /dev/null < /dev/null | grep "GNU ld"`
        # we need to make a 2nd (separate!) check on the output of stderr, see bug #7825:
-       if test -z ${ac_cv_gnu_ld_version} ; then
+       if test -z "$ac_cv_gnu_ld_version" ; then
          ac_cv_gnu_ld_version=`$CC -Wl,-v /dev/null 2>&1 > /dev/null < /dev/null | grep "GNU ld"`
        fi
        AC_MSG_CHECKING(GNU ld release date)