X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fstrings_h.m4;h=481f8f334a4b9bd90bf0c2520e5136cf90923ffb;hb=170fb7e17af6f4620e63eadbf8291387a351dda9;hp=135c16c02127e9b91c046c6ef1c3db2ad6305267;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/m4/strings_h.m4 b/m4/strings_h.m4
index 135c16c02..481f8f334 100644
--- a/m4/strings_h.m4
+++ b/m4/strings_h.m4
@@ -1,6 +1,7 @@
-# Configure a replacement for <string.h>.
+# Configure a replacement for <strings.h>.
+# serial 6
 
-# Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -15,19 +16,37 @@ AC_DEFUN([gl_HEADER_STRINGS_H],
 AC_DEFUN([gl_HEADER_STRINGS_H_BODY],
 [
   AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
+
   gl_CHECK_NEXT_HEADERS([strings.h])
+  if test $ac_cv_header_strings_h = yes; then
+    HAVE_STRINGS_H=1
+  else
+    HAVE_STRINGS_H=0
+  fi
+  AC_SUBST([HAVE_STRINGS_H])
+
+  dnl Check for declarations of anything we want to poison if the
+  dnl corresponding gnulib module is not in use.
+  gl_WARN_ON_USE_PREPARE([[
+    /* Minix 3.1.8 has a bug: <sys/types.h> must be included before
+       <strings.h>.  */
+    #include <sys/types.h>
+    #include <strings.h>
+    ]], [ffs strcasecmp strncasecmp])
 ])
 
 AC_DEFUN([gl_STRINGS_MODULE_INDICATOR],
 [
   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
   AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
-  GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
 ])
 
 AC_DEFUN([gl_HEADER_STRINGS_H_DEFAULTS],
 [
+  GNULIB_FFS=0;            AC_SUBST([GNULIB_FFS])
   dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE_FFS=1;              AC_SUBST([HAVE_FFS])
   HAVE_STRCASECMP=1;       AC_SUBST([HAVE_STRCASECMP])
   HAVE_DECL_STRNCASECMP=1; AC_SUBST([HAVE_DECL_STRNCASECMP])
 ])