configure.ac: Fix rpm check

Some versions of rpmbuild fail this test. Use rpm instead.

Fixup for bbea6a1c9f58d7f87424e0df6f9821d8ef1d3b00.

Change-Id: I6068541d5944b08140ea7fc5efd13ad488dda1f3
Reviewed-on: https://code.wireshark.org/review/15131
Reviewed-by: João Valverde <j@v6e.pt>

diff --git a/configure.ac b/configure.ac
index 1364962c8ff43dd80f4d330018d6dd08007a586b..2780d9d2339a491869c3bedf9c6c3a998722610a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -785,7 +785,7 @@ AC_SUBST(HAVE_SVR4_PACKAGING)
 AC_CHECK_PROGS(RPMBUILD, [rpmbuild], [false])
 if test "x$RPMBUILD" != "xfalse" ; then
        AC_MSG_CHECKING([to see if we can redefine _topdir])
-       $RPMBUILD --define '_topdir /tmp' > /dev/null 2>&1
+       rpm --define '_topdir /tmp' > /dev/null 2>&1
        if test $? -eq 0 ; then
                AC_MSG_RESULT(yes)
                have_rpm=yes