FYI: 45-gary-use-ac256-compiler-header-checking-with-AC_INCLUDES_DEFAULT.patch

[Gary V. Vaughan]

Applied to HEAD.
--
  ())_.  Gary V. Vaughan    gary@(oranda.demon.co.uk|gnu.org)
  ( '/   Research Scientist http://www.oranda.demon.co.uk       ,_())____
  / )=   GNU Hacker         http://www.gnu.org/software/libtool  \'      `&
`(_~)_   Tech' Author       http://sources.redhat.com/autobook   =`---d__/

Index: ChangeLog
from  Gary V. Vaughan  <address@hidden>
        * config/gmp.m4 (M4_AC_LIB_GMP): Use AC_INCLUDES_DEFAULT:
        ac_default_headers is an autoconf internal variable.
        * config/gnu-obstack.m4 (M4_AC_FUNC_OBSTACK): Ditto.
        * config/stackovf.m4 (M4_AC_SYS_STACKOVF): Ditto.

Index: config/gmp.m4
===================================================================
RCS file: /cvsroot/m4/m4/config/gmp.m4,v
retrieving revision 1.7
diff -u -p -u -r1.7 gmp.m4
--- config/gmp.m4 14 Aug 2003 15:51:34 -0000 1.7
+++ config/gmp.m4 27 Aug 2003 16:58:18 -0000
@@ -45,7 +45,7 @@ esac
 
 AC_DEFUN([M4_AC_LIB_GMP],
 [AC_PREREQ(2.56)dnl We use the new compiler based header checking in 2.56
-AC_CHECK_HEADERS([gmp.h], [], [], $ac_default_headers)
+AC_CHECK_HEADERS([gmp.h], [], [], [AC_INCLUDES_DEFAULT])
 # Some versions of gmp provide mpq_init as a macro, so we need to
 # include the header file, otherwise the detection will fail.
 ac_gmp_save_LIBS="$LIBS"
Index: config/gnu-obstack.m4
===================================================================
RCS file: /cvsroot/m4/m4/config/gnu-obstack.m4,v
retrieving revision 1.11
diff -u -p -u -r1.11 gnu-obstack.m4
--- config/gnu-obstack.m4 15 Aug 2003 15:53:04 -0000 1.11
+++ config/gnu-obstack.m4 27 Aug 2003 16:58:18 -0000
@@ -25,7 +25,7 @@
 # Use the libc supplied version of obstacks if available.
 AC_DEFUN([M4_AC_FUNC_OBSTACK],
 [AC_PREREQ(2.56)dnl We use the new compiler based header checking in 2.56
-AC_CHECK_HEADER(obstack.h, [], [], $ac_default_headers)
+AC_CHECK_HEADER(obstack.h, [], [], [AC_INCLUDES_DEFAULT])
 m4_pattern_allow([^m4_cv_func_obstack$])dnl
 m4_pattern_allow([^m4_obstack_h$])dnl
 
Index: config/stackovf.m4
===================================================================
RCS file: /cvsroot/m4/m4/config/stackovf.m4,v
retrieving revision 1.2
diff -u -p -u -r1.2 stackovf.m4
--- config/stackovf.m4 14 Aug 2003 15:51:34 -0000 1.2
+++ config/stackovf.m4 27 Aug 2003 16:58:18 -0000
@@ -26,7 +26,7 @@ AC_DEFUN([M4_AC_SYS_STACKOVF],
 [AC_PREREQ(2.56)dnl We use the new compiler based header checking in 2.56
 AC_REQUIRE([AC_TYPE_SIGNAL])dnl
 
-AC_CHECK_HEADERS(siginfo.h, [], [], $ac_default_headers)
+AC_CHECK_HEADERS(siginfo.h, [], [], [AC_INCLUDES_DEFAULT])
 AC_CHECK_FUNCS(sigaction sigaltstack sigstack sigvec)
 AC_MSG_CHECKING(if stack overflow is detectable)
 # Code from Jim Avera <address@hidden>.