2008-05-29 Thomas Schwinge <tschwinge@gnu.org>

	* configure.ac: Include `newlib/headers.m4' and
	`libc-parts/headers.m4'.
	(ccheaders, SYSINCLUDES): Remove.
	(USER_CPPFLAGS, USER_LDFLAGS, KERNEL_CPPFLAGS): Adapt to building with
	a cross compiler.
	(USER_LDADD): Remove.
	(CHECK_CPPFLAGS): Define `_GNU_SOURCE' and `_ENABLE_TESTS'.
	(CHECK_CFLAGS): New.
	(HAVE_CROSS, TRAVERSE_HIERARCHY): New conditionals.
	(--enable-tests, ENABLE_TESTS): New command line option with
	conditional.
	(libc.a.in): Instantiate as `sysroot/lib/libc.a'.
	* libc.a.in: Rewritten to no longer specify file paths, but instead
	linker switches.
	* Makefile.am (SUBDIRS): Only recurse into if [TRAVERSE_HIERARCHY].
	(libc-stmp): Only consider if [HAVE_CROSS].
	[! HAVE_CROSS && ! ENABLE_TESTS]: Build `cross-compiler'.
	(cross-compiler): New target.
	Include `Makefoo.am', `binutils/Makefrag.am' and `gcc/Makefrag.am'.
	* Makefoo.am: New file.
	* binutils: New directory.
	* gcc: Likewise.
	* README: Update.

1 files changed, 47 insertions, 0 deletions

diff --git a/Makefoo.am b/Makefoo.am
new file mode 100644
index 0000000..207bf86
--- /dev/null
+++ b/Makefoo.am
@@ -0,0 +1,47 @@
+# Copyright (C) 2003, 2005, 2008 Free Software Foundation, Inc.
+# 
+# This file is part of the GNU Hurd.
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Have the built cross tools appear in `$PATH'.  TODO.  Is that how it is to be
+# done properly?  TODO.  Would $(PATH_SEPARATOR) always be available already?
+PATH_orig := $(shell printenv PATH)
+PATH = $(abspath bin)$(PATH_SEPARATOR)$(PATH_orig)
+
+SYSROOT := $(abspath sysroot)
+
+# Don't use in-place evaluation, as the referenced values may not yet be
+# available.
+abs_top_builddir = $(abspath $(top_builddir))
+abs_srcdir = $(abspath $(srcdir))
+abs_top_srcdir = $(abspath $(top_srcdir))
+
+
+# TODO.  ``build-aux'' hard-coded.
+fix_config_guess_and_sub = \
+	{ find ./ -name config.guess \
+	  || echo CHOKE/ME; \
+	} | \
+	  while read f; do \
+	    ln -vsf '$(abs_top_srcdir)'/build-aux/config.guess "$$f" \
+	    || exit "$$?"; \
+	  done && \
+	{ find ./ -name config.sub \
+	  || echo CHOKE/ME; \
+	} | \
+	  while read f; do \
+	    ln -vsf '$(abs_top_srcdir)'/build-aux/config.sub "$$f" \
+	    || exit "$$?"; \
+	  done