Make the generated glob.h self-contained.

ChangeLog

@@ -1,3 +1,9 @@
+2007-05-01  Bruno Haible  <bruno@clisp.org>
+
+	* lib/glob_.h: Test HAVE_SYS_CDEFS_H at configure time.
+	* m4/glob.m4 (gl_PREREQ_GLOB): Substitute HAVE_SYS_CDEFS_H via AC_SUBST.
+	* modules/glob (Makefile.am): Put HAVE_SYS_CDEFS_H value into glob.h.
+
 2007-05-01  Bruno Haible  <bruno@clisp.org>
 
 	* doc/header/assert.texi: Undo last change: don't mention the gnulib

lib/glob_.h

@@ -21,7 +21,7 @@
 #ifndef _GL_GLOB_H
 #define _GL_GLOB_H
 
-#ifdef HAVE_SYS_CDEFS_H
+#if @HAVE_SYS_CDEFS_H@
 # include <sys/cdefs.h>
 #endif
 

m4/glob.m4

@@ -1,5 +1,5 @@
-# glob.m4 serial 7
-dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+# glob.m4 serial 8
+dnl Copyright (C) 2005-2007 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.
@@ -71,9 +71,16 @@ if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]]),
 
 # Prerequisites of lib/glob.*.
 AC_DEFUN([gl_PREREQ_GLOB],
-[ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
+[
+  AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
   AC_REQUIRE([AC_C_RESTRICT])dnl
   AC_REQUIRE([AC_GNU_SOURCE])dnl
   AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl
   AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r])dnl
-  :])
+  if test $ac_cv_header_sys_cdefs_h = yes; then
+    HAVE_SYS_CDEFS_H=1
+  else
+    HAVE_SYS_CDEFS_H=0
+  fi
+  AC_SUBST([HAVE_SYS_CDEFS_H])
+])

modules/glob

@@ -30,7 +30,8 @@ BUILT_SOURCES += $(GLOB_H)
 # doesn't have one that works with the given compiler.
 glob.h: glob_.h
 	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
-	  cat $(srcdir)/glob_.h; \
+	  sed -e 's|@''HAVE_SYS_CDEFS_H''@|$(HAVE_SYS_CDEFS_H)|g' \
+	      < $(srcdir)/glob_.h; \
 	} > $@-t
 	mv -f $@-t $@
 MOSTLYCLEANFILES += glob.h glob.h-t