m4: Improve portability for non-bash shells

= and == are both operators to test for string equality in bash,
but only = is required by POSIX.

Signed-off-by: Maya Rashish <coypu@sdf.org>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>

diff --git a/m4/virt-nls.m4 b/m4/virt-nls.m4
index be3c53fe4d72e1d19dfb301c1124e3c2786ce18c..fd8707033af8d427e02690d92d44b6d50d029eaa 100644 (file)
--- a/m4/virt-nls.m4
+++ b/m4/virt-nls.m4
@@ -26,7 +26,7 @@ AC_DEFUN([LIBVIRT_CHECK_NLS],[
   then
     AC_CHECK_FUNC([gettext], [], [
       AC_CHECK_LIB([intl], [gettext], [], [
-        if test "x$enable_nls" == "xcheck"
+        if test "x$enable_nls" = "xcheck"
        then
          enable_nls=no
        else
@@ -39,7 +39,7 @@ AC_DEFUN([LIBVIRT_CHECK_NLS],[
   if test "x$enable_nls" != "xno"
   then
     AC_CHECK_HEADERS([libintl.h], [enable_nls=yes],[
-      if test "x$enable_nls" == "xcheck"
+      if test "x$enable_nls" = "xcheck"
       then
         enable_nls=no
       else