many *.m4 files: improve m4 quoting

[gnulib.git] / m4 / strcase.m4

diff --git a/m4/strcase.m4 b/m4/strcase.m4
index 40ace46..0dfdb1a 100644 (file)
--- a/m4/strcase.m4
+++ b/m4/strcase.m4
@@ -1,5 +1,5 @@
-# strcase.m4 serial 1
-dnl Copyright (C) 2002 Free Software Foundation, Inc.
+# strcase.m4 serial 10
+dnl Copyright (C) 2002, 2005-2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -12,18 +12,25 @@ AC_DEFUN([gl_STRCASE],
 
 AC_DEFUN([gl_FUNC_STRCASECMP],
 [
-  AC_REPLACE_FUNCS(strcasecmp)
+  AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
+  AC_REPLACE_FUNCS([strcasecmp])
   if test $ac_cv_func_strcasecmp = no; then
+    HAVE_STRCASECMP=0
     gl_PREREQ_STRCASECMP
   fi
 ])
 
 AC_DEFUN([gl_FUNC_STRNCASECMP],
 [
-  AC_REPLACE_FUNCS(strncasecmp)
+  AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
+  AC_REPLACE_FUNCS([strncasecmp])
   if test $ac_cv_func_strncasecmp = no; then
     gl_PREREQ_STRNCASECMP
   fi
+  AC_CHECK_DECLS([strncasecmp])
+  if test $ac_cv_have_decl_strncasecmp = no; then
+    HAVE_DECL_STRNCASECMP=0
+  fi
 ])
 
 # Prerequisites of lib/strcasecmp.c.