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# 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/>.
# The GCC version that we use.
gcc_version = 4.2.2
gcc_tarballs = gcc-core-$(gcc_version).tar.bz2 gcc-g++-$(gcc_version).tar.bz2
gcc_snapshot = $(addprefix ftp://ftp.gnu.org/gnu/gcc/gcc-$(gcc_version)/,$(1))
# Patches to apply to GCC's source tree.
gcc_patch_files = \
configury.patch \
configury2.patch
$(addprefix $(srcdir)/gcc/,$(gcc_tarballs)): $(srcdir)/gcc/%:
cd $(srcdir)/gcc/ && \
wget $(call gcc_snapshot, $*)
$(srcdir)/gcc/gcc/unpack.stamp: $(addprefix $(srcdir)/gcc/,$(gcc_tarballs))
if test -d $(srcdir)/gcc/gcc/.; then \
echo "Refusing to extract over $(srcdir)/gcc/gcc"; \
exit 1; \
fi
for f in $^; do \
( cd $(srcdir)/gcc/ && \
tar xvj ) \
< "$$f" \
|| exit "$$?"; \
done
mv $(srcdir)/gcc/gcc-$(gcc_version) $(srcdir)/gcc/gcc
touch $@
# Apply any local patches. (Revert any applied older version.)
$(addprefix $(srcdir)/gcc/gcc/,$(addsuffix .applied,$(gcc_patch_files))): $(srcdir)/gcc/gcc/unpack.stamp
$(addprefix $(srcdir)/gcc/gcc/,$(addsuffix .applied,$(gcc_patch_files))): $(srcdir)/gcc/%.applied: $(srcdir)/%
if test -e "$@"; \
then \
( cd $(srcdir)/gcc/gcc/ && sh /dev/stdin -R ) < $@ && rm -f $@; \
fi
( cd $(srcdir)/gcc/gcc/ && sh /dev/stdin ) < $<
cp $< $@
$(srcdir)/gcc/gcc/patch.stamp: $(srcdir)/gcc/gcc/unpack.stamp $(addprefix $(srcdir)/gcc/gcc/,$(addsuffix .applied,$(gcc_patch_files)))
cd $(srcdir)/gcc/gcc/ && \
$(fix_config_guess_and_sub)
touch $@
gcc/gcc.build/configure.stamp: $(srcdir)/gcc/gcc/patch.stamp binutils/binutils.build/install.stamp
rm -rf gcc/gcc.build
mkdir -p gcc/gcc.build
( cd gcc/gcc.build && \
case "$(host_alias)" in \
i[34567]86-*-*) \
extra_args=--with-arch=$(word 1,$(subst -, ,$(host_alias))) \
;; \
esac && \
$(abs_srcdir)/gcc/gcc/configure \
--target=$(host_alias) \
--prefix='$(abs_top_builddir)' \
--with-sysroot='$(SYSROOT)' \
--disable-nls \
--disable-shared \
--disable-threads \
--without-headers \
--with-newlib \
--enable-languages=c \
$${extra_args} \
)
touch $@
gcc/gcc.build/build.stamp: gcc/gcc.build/configure.stamp
cd gcc/gcc.build/ && \
$(MAKE) all-gcc
touch $@
gcc/gcc.build/install.stamp: gcc/gcc.build/build.stamp
cd gcc/gcc.build/ && \
$(MAKE) install-gcc
touch $@
# libstdc++
libstdc++: gcc/gcc.build/$(host_alias)/libstdc++-v3/install.stamp
# While it would be desirable to have the following two target re-ran each
# turn, stamp files (to inhibit this) are being created nevertheless, as the
# GCC build system doesn't do dependency tracking to external (header) files,
# so nothing would be rebuilt anyway.
gcc/gcc.build/$(host_alias)/libstdc++-v3/build.stamp: gcc/gcc.build/build.stamp gcc/gcc.build/frob-Makefile-FLAGS_FOR_TARGET
cd gcc/gcc.build/ && \
$(MAKE) all-target-libstdc++-v3
touch $@
gcc/gcc.build/$(host_alias)/libstdc++-v3/install.stamp: gcc/gcc.build/$(host_alias)/libstdc++-v3/build.stamp
cd gcc/gcc.build/ && \
$(MAKE) install-target-libstdc++-v3
touch $@
# Doing this is needed to teach GCC about where to find the libc headers, etc.
# TODO. It also does provoke a bunch of warnings in the libstdc++ compilation.
# Someone might want to sort that out...
gcc/gcc.build/frob-Makefile-FLAGS_FOR_TARGET: gcc/gcc.build/Makefile
sed '/^FLAGS_FOR_TARGET/s%$$% $(USER_CPPFLAGS) $(USER_CFLAGS)%' \
< $^ > $^.new && \
mv $^.new $^
touch $@
#TODO: clean etc.
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