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# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-lang/gnat/gnat-3.15p.ebuild,v 1.6 2007/02/06 08:09:10 genone Exp $
#
# Never replace this with the Ada compiler in the gcc tree. They are based
# on the same source but this is the official validated compiler from ACT.
# The one in gcc (3-branch) is currently broken!
# If you want to try that one install it under a different name and use
# gnatmake --GCC=othername (if you use gnatmake).
# The official statement from ACT is that they will continiue to release
# GNAT, so they will release a version based on gcc 3 when it is working.
#
# It is possible to at least install this on sparc too, I have seen
# unofficial bootstrap compilers for ppc as well. As I don't have access to
# a sparc or a ppc running linux I won't try to add support for them.
# If you have access to any of these it should be fairly easy to add support
# for it.
#
DESCRIPTION="GNAT Ada Compiler"
DEPEND="app-shells/tcsh"
RDEPEND=""
SRC_URI="http://gd.tuwien.ac.at/languages/ada/gnat/${PV}/${P}-src.tgz
http://gd.tuwien.ac.at/languages/ada/gnat/${PV}/${P}-i686-pc-redhat71-gnu-bin.tar.gz
ftp://gcc.gnu.org/pub/gcc/old-releases/gcc-2/gcc-2.8.1.tar.bz2"
HOMEPAGE="http://www.gnat.com/"
SLOT="GNAT-3.15p"
KEYWORDS="~x86"
LICENSE="GMGPL"
IUSE=""
S="${WORKDIR}/gcc-2.8.1"
GNATDIR="${WORKDIR}/${P}-src"
GNATBOOT="${WORKDIR}/boot"
GNATBOOTINST="${WORKDIR}/${P}-i686-pc-linux-gnu-bin"
src_unpack() {
unpack ${A}
# Install the bootstrap compiler
cd "${GNATBOOTINST}"
echo $'\n'3$'\n'${GNATBOOT}$'\n' | ./doconfig > doconfig.log 2>&1
./doinstall
# Prepare the gcc source directory
cd "${S}"
patch -p0 < "${GNATDIR}/src/gcc-281.dif"
touch cstamp-h.in
mv "${GNATDIR}/src/ada" "${S}"
for i in `find ${S}/ada -name '*.ad[sb]'`; do \
sed -i -e "s/\"gcc\"/\"gnatgcc\"/g" ${i}; \
done
cd "${S}/ada"
touch treeprs.ads a-[es]info.h nmake.ad[bs]
}
src_compile() {
# GCC 2.8.1 doesn't like fancy flags
export CFLAGS="-O2"
# Set some paths to our bootstrap compiler.
export GCC_EXEC_PREFIX="${GNATBOOT}/lib/gcc-lib/i686-pc-linux-gnu/2.8.1"
export ADA_INCLUDE_PATH="${GNATBOOT}/lib/gcc-lib/i686-pc-linux-gnu/2.8.1/adainclude"
export ADA_OBJECTS_PATH="${GNATBOOT}/lib/gcc-lib/i686-pc-linux-gnu/2.8.1/adalib"
OLDPATH="${PATH}"
export PATH="${GNATBOOT}/bin:${PATH}"
export LDFLAGS="-L${GNATBOOT}/lib/gcc-lib/i686-pc-linux-gnu/2.8.1 -L${GNATBOOTINST}"
# Make $local_prefix point to $prefix
sed -i -e "s/@local_prefix@/@prefix@/" "${S}/Makefile.in"
# Configure gcc
cd "${S}"
./configure --prefix=/usr --program-prefix=gnat \
--host="${CHOST}" --build="${CHOST}" --target="${CHOST}" \
--infodir=/usr/share/info \
--mandir=/usr/share/man || die "./configure failed"
# Make sure we don't overwrite the existing gcc
sed -i -e "s/\$(bindir)\/gcov/\$(bindir)\/gnatgcov/" "${S}/Makefile"
sed -i -e "s/alias)-gcc/alias)-gnatgcc/g" "${S}/Makefile"
# Compile it by first using the bootstrap compiler and then bootstrapping
# our own version. Finally compile the libraries and tools.
make CC="gcc" LANGUAGES="c ada gcov"
make CC="gcc" LANGUAGES="c ada gcov" bootstrap
make CC="gcc" GNATLIBCFLAGS="${CFLAGS}" gnatlib
make CC="gcc" gnattools
}
src_install() {
export PATH="${GNATBOOT}/bin:${PATH}"
export LDFLAGS="-L${GNATBOOT}/lib/gcc-lib/i686-pc-linux-gnu/2.8.1 -L${GNATBOOTINST}"
# Install gnatgcc, tools and native threads library
make prefix="${D}/usr" LANGUAGES="c ada gcov" GCC_INSTALL_NAME=gnatgcc \
install-common install-libgcc install-gnatlib install-driver || die
touch "${D}/usr/lib/gcc-lib/${CHOST}/2.8.1/include/float.h"
# Install the FSU threads library
cd "${D}/usr/lib/gcc-lib/${CHOST}/2.8.1"
mkdir rts-native
mkdir rts-fsu
# Copy the native threads library
cp -r adalib rts-native
cp -r adainclude rts-native
#remove circular symlinks
rm -f rts-native/adalib/{libgnarl.so,libgnat.so}
cd "${S}"
rm stamp-gnatlib1
# Compile and install the FSU threads library
make CC=gcc CFLAGS="-O2" GNATLIBCFLAGS="-fPIC -O2" THREAD_KIND=fsu gnatlib
make prefix="${D}/usr" install-gnatlib
cd "${D}/usr/lib/gcc-lib/${CHOST}/2.8.1"
mv adalib adainclude rts-fsu
rm -f rts-fsu/adalib/{libgnarl.so,libgnat.so}
# Install the precompiled FSU library from the binary distribution
cp "${GNATBOOTINST}/libgthreads.a" "${D}/usr/lib/gcc-lib/${CHOST}/2.8.1"
cp "${GNATBOOTINST}/libmalloc.a" "${D}/usr/lib/gcc-lib/${CHOST}/2.8.1"
cp "${GNATBOOTINST}/gnathtml.pl" "${D}/usr/bin"
chmod +x "${D}/usr/bin"
# Make native threads the default
dosym /usr/lib/gcc-lib/${CHOST}/2.8.1/rts-native/adalib \
/usr/lib/gcc-lib/${CHOST}/2.8.1/
dosym /usr/lib/gcc-lib/${CHOST}/2.8.1/rts-native/adainclude \
/usr/lib/gcc-lib/${CHOST}/2.8.1/
}
pkg_postinst() {
# Notify the user what changed
elog
elog "Both the native-threads and the FSU-threads libraries have been"
elog "installed. The native-threads version is the default on linux."
elog "If you want to use FSU-threads (required if you are using Annex D)"
elog "you must set the following two environment variables:"
elog "ADA_INCLUDE_PATH=/usr/lib/gcc-lib/${CHOST}/2.8.1/rts-fsu/adainclude:\$ADA_INCLUDE_PATH"
elog "ADA_OBJECTS_PATH=/usr/lib/gcc-lib/${CHOST}/2.8.1/rts-fsu/adalib:\$ADA_OBJECTS_PATH"
elog "or use the -aI/usr/lib/gcc-lib/${CHOST}/2.8.1/rts-fsu/adainclude"
elog "-aO/usr/lib/gcc-lib/${CHOST}/2.8.1/rts-fsu/adalib"
elog "or you can give gnatmake the following switch: --RTS=fsu"
elog
elog "The compiler has been installed as gnatgcc, and the coverage testing"
elog "tool as gnatgcov."
elog
}
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