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changeset 10793:59bb86777cb9

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warnings: Think right. 2008-11-11 Paolo Bonzini <bonzini@gnu.org> * m4/warnings.m4 (gl_WARN_ADD): Don't AC_SUBST the empty string.
author Paolo Bonzini <bonzini@gnu.org>
date Tue, 11 Nov 2008 13:55:40 +0100
parents 0d9e838c523c
children c0c4b669aaca
files ChangeLog m4/warnings.m4
diffstat 2 files changed, 5 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog	Tue Nov 11 13:42:48 2008 +0100
+++ b/ChangeLog	Tue Nov 11 13:55:40 2008 +0100
@@ -1,3 +1,7 @@
+2008-11-11  Paolo Bonzini  <bonzini@gnu.org>
+
+	* m4/warnings.m4 (gl_WARN_ADD): Don't AC_SUBST the empty string.
+
 2008-11-11  Paolo Bonzini  <bonzini@gnu.org>
 
 	* m4/warnings.m4 (gl_WARN_INIT): Substitute WARN_CFLAGS.
--- a/m4/warnings.m4	Tue Nov 11 13:42:48 2008 +0100
+++ b/m4/warnings.m4	Tue Nov 11 13:55:40 2008 +0100
@@ -47,5 +47,5 @@
 gl_AS_VAR_IF([gl_Warn], [yes], [gl_AS_VAR_APPEND([gl_Flags], [" $1"])])
 AS_VAR_POPDEF([gl_Flags])dnl
 AS_VAR_POPDEF([gl_Warn])dnl
-AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])dnl
+m4_ifval([$2], [AS_LITERAL_IF([$2], [AC_SUBST([$2])], [])])dnl
 ])