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changeset 10827:d5f3893491cf

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warnings: Improve code.
author Simon Josefsson <simon@josefsson.org>
date Mon, 17 Nov 2008 22:11:30 +0100
parents e91b16712d59
children 45b8dcc40064
files ChangeLog m4/warnings.m4
diffstat 2 files changed, 13 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-11-17  Simon Josefsson  <simon@josefsson.org>
+
+	* m4/warnings.m4: Improve code.  Reported by Ralf Wildenhues
+	<Ralf.Wildenhues@gmx.de> and Paolo Bonzini <bonzini@gnu.org>.
+
 2008-11-17  Simon Josefsson  <simon@josefsson.org>
 
 	* m4/warnings.m4: Use CPPFLAGS to really check whether the
--- a/m4/warnings.m4
+++ b/m4/warnings.m4
@@ -114,16 +114,17 @@
 # does OUTVAR = LISTVAR \ REMOVEVAR.
 AC_DEFUN([gl_WARN_COMPLEMENT],
 [
-  FOO=
-  set -- "$2"
-  for w in $_; do
-    case "$3" in
-      *" $w "* | *" $w" | "$w "*)
+  gl_warn_set=
+  set x $2; shift
+  for gl_warn_item
+  do
+    case " $3 " in
+      *" $gl_warn_item "*)
         ;;
       *)
-        FOO="$FOO $w"
+        gl_warn_set="$gl_warn_set $gl_warn_item"
         ;;
     esac
   done
-  $1=$FOO
+  $1=$gl_warn_set
 ])