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authorAndreas Baumann <mail@andreasbaumann.cc>2018-02-07 20:24:25 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2018-02-07 20:24:25 +0100
commit02f1ee2c3618d62934193784c279cc4df96fa2be (patch)
treedeefadf39e8192b73b9d1e5d8c0ebcd1da4e3b69
parentcf39bd9c44faccb301e655c6ba0cd36fdaae1f41 (diff)
building up to gcc
-rw-r--r--TODOS1
-rwxr-xr-xbuild_stage1.sh3
-rwxr-xr-xbuild_stage1_package.sh2
-rw-r--r--i486-stage1/binutils/DESCR8
-rw-r--r--i486-stage1/fakeroot/DESCR11
-rw-r--r--i486-stage1/gawk/DESCR5
-rw-r--r--i486-stage1/gcc/DESCR42
-rw-r--r--i486-stage1/gcc/PKGBUILD414
-rw-r--r--i486-stage1/libmpc/DESCR6
-rw-r--r--i486-stage1/make/DESCR6
-rw-r--r--i486-stage1/mpfr/DESCR5
11 files changed, 501 insertions, 2 deletions
diff --git a/TODOS b/TODOS
index b3d436f..5d4fb81 100644
--- a/TODOS
+++ b/TODOS
@@ -5,3 +5,4 @@
- makepkg with an 'alternate root' option (which doens't collide with
pacman's options), avoids patching -r and --config into makepkg for
stage1
+- shims and provides and depends don't work yet (binutils and glibc-shim)
diff --git a/build_stage1.sh b/build_stage1.sh
index fdeae00..f2d27a0 100755
--- a/build_stage1.sh
+++ b/build_stage1.sh
@@ -13,8 +13,9 @@ attr acl gmp gdbm db perl openssl
zlib pambase cracklib libtirpc pam libcap coreutils
util-linux e2fsprogs
expat bzip2 lz4 xz pcre less gzip tar libarchive curl
-pacman-mirrorlist archlinux-keyring archlinux32-keyring pacman
+pacman-mirrorlist archlinux-keyring archlinux32-keyring pacman fakeroot
elfutils
+make mpfr gawk libmpc binutils gcc
sed texinfo grep findutils file diffutils ed patch
kbd procps-ng shadow
inetutils bc kmod linux uinit
diff --git a/build_stage1_package.sh b/build_stage1_package.sh
index 1baee72..f4aac23 100755
--- a/build_stage1_package.sh
+++ b/build_stage1_package.sh
@@ -73,7 +73,7 @@ if test $(pacman --config "$STAGE1_CHROOT/etc/pacman.conf" -r "$STAGE1_CHROOT" -
find $ARCHLINUX32_PACKAGES/core/$PACKAGE/* ! -name PKGBUILD \
-exec cp {} . \;
fi
-
+
# source package descriptions, sets variables for this script
# and executes whatever is needed to build the package
diff --git a/i486-stage1/binutils/DESCR b/i486-stage1/binutils/DESCR
new file mode 100644
index 0000000..cfb98d7
--- /dev/null
+++ b/i486-stage1/binutils/DESCR
@@ -0,0 +1,8 @@
+# prepare configure for cross-compilation
+sed -i "/--prefix=\/usr/ a \ --host=$TARGET_ARCH --build=$BUILD_ARCH \\\\" PKGBUILD
+
+# TODO: this should work with glibc-shim providing glibc, but doesn't?
+sed -i "/depends=/s/glibc/glibc-shim/" PKGBUILD
+
+# git is still there as build dependency, not needed
+sed -i "/makedepends=/s/git//" PKGBUILD
diff --git a/i486-stage1/fakeroot/DESCR b/i486-stage1/fakeroot/DESCR
new file mode 100644
index 0000000..8557ab8
--- /dev/null
+++ b/i486-stage1/fakeroot/DESCR
@@ -0,0 +1,11 @@
+# prepare configure for cross-compilation
+sed -i "s@./configure@./configure --host=$TARGET_ARCH --build=$BUILD_ARCH@g" PKGBUILD
+
+# disable makedepends and take out po4a
+sed -i "/makedepends=/s/po4a//" PKGBUILD
+sed -i 's@\(cd doc\)@#\1@g' PKGBUILD
+sed -i 's@\(po4a\)@#\1@g' PKGBUILD
+
+# we have no ld.so.conf, so we can ignore this:
+#/tmp/alpm_va2bmk/.INSTALL: line 2: usr/bin/ldconfig: No such file or directory
+#error: command failed to execute correctly
diff --git a/i486-stage1/gawk/DESCR b/i486-stage1/gawk/DESCR
new file mode 100644
index 0000000..c3b63cf
--- /dev/null
+++ b/i486-stage1/gawk/DESCR
@@ -0,0 +1,5 @@
+# prepare configure for cross-compilation
+sed -i "s@./configure@./configure --host=$TARGET_ARCH --build=$BUILD_ARCH@g" PKGBUILD
+
+# we don't have a valid locale yet, disable NLS
+sed -i 's@./configure@./configure --disable-nls@g' PKGBUILD
diff --git a/i486-stage1/gcc/DESCR b/i486-stage1/gcc/DESCR
new file mode 100644
index 0000000..4947ec8
--- /dev/null
+++ b/i486-stage1/gcc/DESCR
@@ -0,0 +1,42 @@
+# prepare configure for cross-compilation
+sed -i "s@./configure@./configure --host=$TARGET_ARCH --build=$BUILD_ARCH@g" PKGBUILD
+
+# TODO from here: make it all patches, once our own PKGBUILD works
+
+# gcc
+#sed -i '/--prefix=\/usr/ a \ --target=i486-unknown-linux-gnu --build=x86_64-pc-linux-gnu \\' gcc/PKGBUILD
+# no doxygen documentation
+#sed -i "/makedepends=/s/doxygen//" gcc/PKGBUILD
+# no ADA
+#sed -i "/makedepends=/s/gcc-ada//" gcc/PKGBUILD
+#sed -i '/pkgname/ s/gcc-ada//g' gcc/PKGBUILD
+#sed -i '/enable-languages/ s/ada//g' gcc/PKGBUILD
+# do not build git versions or from git!
+#sed -i 's/pkgver=7.2.1/pkgver=7.2.0/' gcc/PKGBUILD
+#sed -i "/makedepends=/s/git//" gcc/PKGBUILD
+#sed -i 's@git+https://gcc.gnu.org/git/gcc.git#commit=${_commit}@https://ftp.gnu.org/gnu/${pkgname}/${pkgname}-${pkgver}/${pkgname}-${pkgver}.tar.gz@g' gcc/PKGBUILD
+#sed -i 's@cd gcc$@cd ${pkgname}-${pkgver}@g' gcc/PKGBUILD
+#sed -i 's@$srcdir/gcc/configure@$srcdir/${pkgname}-${pkgver}/configure@g' gcc/PKGBUILD
+# send bugs to the right place
+#sed -i 's@https://bugs.archlinux.org/@https://bugs.archlinux32.org/@g' gcc/PKGBUILD
+# no LTO and plugins, they break and we don't need them
+#sed -i 's@--enable-plugin@--disable-plugin@' gcc/PKGBUILD
+#sed -i 's@--enable-lto@--disable-lto@' gcc/PKGBUILD
+#sed -i '/enable-languages/ s/lto,//g' gcc/PKGBUILD
+# no other languages (Fortran, go, objc, etc)
+#sed -i '/pkgname/ s/gcc-fortran//g' gcc/PKGBUILD
+#sed -i '/enable-languages/ s/,fortran//g' gcc/PKGBUILD
+#sed -i '/pkgname/ s/gcc-go//g' gcc/PKGBUILD
+#sed -i '/enable-languages/ s/go,//g' gcc/PKGBUILD
+#sed -i '/pkgname/ s/gcc-objc//g' gcc/PKGBUILD
+#sed -i '/enable-languages/ s/objc,//g' gcc/PKGBUILD
+#sed -i '/enable-languages/ s/,obj-c++//g' gcc/PKGBUILD
+# disable some libraries (libgomp doesn't cross compile, NLS we don't need)
+#sed -i "/--disable-libssp/ a \ --disable-libgomp \\" gcc/PKGBUILD
+#sed -i "/--disable-libssp/ a \ --disable-nls \\" gcc/PKGBUILD
+# disable threads
+#sed -i 's@--enable-threads=posix@--disable-threads@' gcc/PKGBUILD
+#=> current use PKGBUILD-gcc-cross, sorry, too many changes!
+# disable all languages but C and C++
+#use gcc-cross-PKGBUILD
+
diff --git a/i486-stage1/gcc/PKGBUILD b/i486-stage1/gcc/PKGBUILD
new file mode 100644
index 0000000..9280f4f
--- /dev/null
+++ b/i486-stage1/gcc/PKGBUILD
@@ -0,0 +1,414 @@
+# $Id$
+# Maintainer: Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
+# Contributor: Allan McRae <allan@archlinux.org>
+
+# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc
+# NOTE: libtool requires rebuilt with each new gcc version
+
+pkgname=(gcc gcc-libs lib32-gcc-libs)
+pkgver=7.2.0
+_pkgver=${pkgver:0:1}
+_islver=0.18
+pkgrel=2
+pkgdesc='The GNU Compiler Collection'
+arch=(i486 x86_64)
+license=(GPL LGPL FDL custom)
+url='http://gcc.gnu.org'
+makedepends=(binutils libmpc lib32-glibc)
+checkdepends=(dejagnu inetutils)
+options=(!emptydirs)
+_commit=bce1ab0478f96724828df51ccfd43197d917c572
+source=(https://ftp.gnu.org/gnu/${pkgname}/${pkgname}-${pkgver}/${pkgname}-${pkgver}.tar.gz
+ http://isl.gforge.inria.fr/isl-${_islver}.tar.bz2
+ c89 c99)
+md5sums=('SKIP'
+ '11436d6b205e516635b666090b94ab32'
+ '3d333df77302ed89e06a4a8539943b7d'
+ 'da96f545b863e57c6ab2598c1ea9a740')
+
+_libdir=usr/lib/gcc/$CHOST/$pkgver
+
+prepare() {
+ cd ${pkgname}-${pkgver}
+
+ # link isl for in-tree build
+ ln -s ../isl-${_islver} isl
+
+ # Do not run fixincludes
+ sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in
+
+ # Arch Linux installs x86_64 libraries /lib
+ sed -i '/m64=/s/lib64/lib/' gcc/config/i386/t-linux64
+
+ # hack! - some configure tests for header files using "$CPP $CPPFLAGS"
+ sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure
+
+ mkdir -p "$srcdir/gcc-build"
+}
+
+build() {
+ cd gcc-build
+
+ # using -pipe causes spurious test-suite failures
+ # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48565
+ CFLAGS=${CFLAGS/-pipe/}
+ CXXFLAGS=${CXXFLAGS/-pipe/}
+
+ "$srcdir/${pkgname}-${pkgver}/configure" --prefix=/usr \
+ --disable-bootstrap \
+ --target=i486-unknown-linux-gnu --host=i486-unknown-linux-gnu --build=x86_64-pc-linux-gnu \
+ --libdir=/usr/lib \
+ --libexecdir=/usr/lib \
+ --mandir=/usr/share/man \
+ --infodir=/usr/share/info \
+ --with-bugurl=https://bugs.archlinux32.org/ \
+ --enable-languages=c,c++ \
+ --enable-shared \
+ --disable-threads \
+ --disable-libitm \
+ --disable-libatomic \
+ --disable-libcilkrts \
+ --enable-libmpx \
+ --with-system-zlib \
+ --with-isl \
+ --enable-__cxa_atexit \
+ --disable-libunwind-exceptions \
+ --enable-clocale=gnu \
+ --disable-libstdcxx-pch \
+ --disable-libssp \
+ --disable-nls \
+ --disable-libgomp \
+ --enable-gnu-unique-object \
+ --enable-linker-build-id \
+ --disable-lto \
+ --disable-plugin \
+ --enable-install-libiberty \
+ --with-linker-hash-style=gnu \
+ --enable-gnu-indirect-function \
+ --disable-multilib \
+ --disable-werror \
+ --enable-checking=release \
+ --enable-default-pie \
+ --enable-default-ssp
+
+ make
+
+ # make documentation
+ make -C $CHOST/libstdc++-v3/doc doc-man-doxygen
+}
+
+check() {
+ cd gcc-build
+
+ # increase stack size to prevent test failures
+ # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31827
+ ulimit -s 32768
+
+ # do not abort on error as some are "expected"
+ make -k check || true
+ "$srcdir/gcc/contrib/test_summary"
+}
+
+package_gcc-libs() {
+ pkgdesc='Runtime libraries shipped by GCC'
+ groups=(base)
+ depends=('glibc>=2.26')
+ options+=(!strip)
+ provides=($pkgname-multilib)
+ replaces=($pkgname-multilib)
+
+ cd gcc-build
+ make -C $CHOST/libgcc DESTDIR="$pkgdir" install-shared
+ rm -f "$pkgdir/$_libdir/libgcc_eh.a"
+
+ for lib in \
+ \
+ \
+ \
+ \
+ \
+ libsanitizer/{a,l,ub,t}san \
+ libstdc++-v3/src \
+ ; do
+ make -C $CHOST/$lib DESTDIR="$pkgdir" install-toolexeclibLTLIBRARIES
+ done
+
+# make -C $CHOST/libobjc DESTDIR="$pkgdir" install-libs
+ make -C $CHOST/libstdc++-v3/po DESTDIR="$pkgdir" install
+# make -C $CHOST/libmpx DESTDIR="$pkgdir" install
+# rm -f "$pkgdir/usr/lib/libmpx.spec"
+
+ # remove files provided by lib32-gcc-libs
+# rm -rf "$pkgdir"/usr/lib32/
+
+ # Install Runtime Library Exception
+# install -Dm644 "$srcdir/gcc/COPYING.RUNTIME" \
+# "$pkgdir/usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION"
+}
+
+package_gcc() {
+ pkgdesc="The GNU Compiler Collection - C and C++ frontends"
+ depends=("gcc-libs=$pkgver-$pkgrel" 'binutils>=2.28' libmpc)
+ groups=('base-devel')
+ optdepends=('lib32-gcc-libs: for generating code for 32-bit ABI')
+ provides=($pkgname-multilib)
+ replaces=($pkgname-multilib)
+ options+=(staticlibs)
+
+ cd gcc-build
+
+ make -C gcc DESTDIR="$pkgdir" install-driver install-cpp install-gcc-ar \
+ c++.install-common install-headers install-plugin
+
+ install -m755 -t "$pkgdir/usr/bin/" gcc/gcov{,-tool}
+ install -m755 -t "$pkgdir/${_libdir}/" gcc/{cc1,cc1plus,collect2}
+
+ make -C $CHOST/libgcc DESTDIR="$pkgdir" install
+ make -C $CHOST/32/libgcc DESTDIR="$pkgdir" install
+ rm -f "$pkgdir"/usr/lib{,32}/libgcc_s.so*
+
+ make -C $CHOST/libstdc++-v3/src DESTDIR="$pkgdir" install
+ make -C $CHOST/libstdc++-v3/include DESTDIR="$pkgdir" install
+ make -C $CHOST/libstdc++-v3/libsupc++ DESTDIR="$pkgdir" install
+ make -C $CHOST/libstdc++-v3/python DESTDIR="$pkgdir" install
+ make -C $CHOST/32/libstdc++-v3/src DESTDIR="$pkgdir" install
+ make -C $CHOST/32/libstdc++-v3/include DESTDIR="$pkgdir" install
+ make -C $CHOST/32/libstdc++-v3/libsupc++ DESTDIR="$pkgdir" install
+
+ make DESTDIR="$pkgdir" install-libcc1
+ install -d "$pkgdir/usr/share/gdb/auto-load/usr/lib"
+ mv "$pkgdir"/usr/lib/libstdc++.so.6.*-gdb.py \
+ "$pkgdir/usr/share/gdb/auto-load/usr/lib/"
+ rm "$pkgdir"/usr/lib{,32}/libstdc++.so*
+
+ make DESTDIR="$pkgdir" install-fixincludes
+ make -C gcc DESTDIR="$pkgdir" install-mkheaders
+
+ #make -C lto-plugin DESTDIR="$pkgdir" install
+ #install -dm755 "$pkgdir"/usr/lib/bfd-plugins/
+ #ln -s /usr/lib/gcc/$CHOST/$pkgver/liblto_plugin.so \
+ # "$pkgdir/usr/lib/bfd-plugins/"
+
+ #make -C $CHOST/libcilkrts DESTDIR="$pkgdir" install-nodist_{toolexeclib,cilkinclude}HEADERS
+ #make -C $CHOST/libgomp DESTDIR="$pkgdir" install-nodist_{libsubinclude,toolexeclib}HEADERS
+ #make -C $CHOST/libitm DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+ #make -C $CHOST/libquadmath DESTDIR="$pkgdir" install-nodist_libsubincludeHEADERS
+ #make -C $CHOST/libsanitizer DESTDIR="$pkgdir" install-nodist_{saninclude,toolexeclib}HEADERS
+ #make -C $CHOST/libsanitizer/asan DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+ #make -C $CHOST/libmpx DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+ #make -C $CHOST/32/libcilkrts DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+ #make -C $CHOST/32/libgomp DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+ #make -C $CHOST/32/libitm DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+ #make -C $CHOST/32/libsanitizer DESTDIR="$pkgdir" install-nodist_{saninclude,toolexeclib}HEADERS
+ #make -C $CHOST/32/libsanitizer/asan DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+ #make -C $CHOST/32/libmpx DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
+
+ make -C libiberty DESTDIR="$pkgdir" install
+ install -m644 libiberty/pic/libiberty.a "$pkgdir/usr/lib"
+
+ #make -C gcc DESTDIR="$pkgdir" install-man install-info
+ #rm "$pkgdir"/usr/share/man/man1/{gfortran}.1
+ #rm "$pkgdir"/usr/share/info/{gfortran}.info
+
+ make -C libcpp DESTDIR="$pkgdir" install
+ make -C gcc DESTDIR="$pkgdir" install-po
+
+ # many packages expect this symlink
+ ln -s gcc "$pkgdir"/usr/bin/cc
+
+ # POSIX conformance launcher scripts for c89 and c99
+ install -Dm755 "$srcdir/c89" "$pkgdir/usr/bin/c89"
+ install -Dm755 "$srcdir/c99" "$pkgdir/usr/bin/c99"
+
+ # install the libstdc++ man pages
+ #make -C $CHOST/libstdc++-v3/doc DESTDIR="$pkgdir" doc-install-man
+
+ # remove files provided by lib32-gcc-libs
+ #rm -f "$pkgdir"/usr/lib32/lib{stdc++,gcc_s}.so
+
+ # Install Runtime Library Exception
+ #install -d "$pkgdir/usr/share/licenses/$pkgname/"
+ #ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
+ # "$pkgdir/usr/share/licenses/$pkgname/"
+}
+
+package_gcc-fortran() {
+ pkgdesc='Fortran front-end for GCC'
+ depends=("gcc=$pkgver-$pkgrel")
+ provides=($pkgname-multilib)
+ replaces=($pkgname-multilib)
+
+ cd gcc-build
+ make -C $CHOST/libgfortran DESTDIR="$pkgdir" install-cafexeclibLTLIBRARIES \
+ install-{toolexeclibDATA,nodist_fincludeHEADERS}
+ make -C $CHOST/32/libgfortran DESTDIR=$pkgdir install-cafexeclibLTLIBRARIES \
+ install-{toolexeclibDATA,nodist_fincludeHEADERS}
+ #make -C $CHOST/libgomp DESTDIR="$pkgdir" install-nodist_fincludeHEADERS
+ make -C gcc DESTDIR="$pkgdir" fortran.install-{common,man,info}
+ install -Dm755 gcc/f951 "$pkgdir/${_libdir}/f951"
+
+ ln -s gfortran "$pkgdir/usr/bin/f95"
+
+ # Install Runtime Library Exception
+ #install -d "$pkgdir/usr/share/licenses/$pkgname/"
+ #ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
+ # "$pkgdir/usr/share/licenses/$pkgname/"
+}
+
+package_gcc-objc() {
+ pkgdesc='Objective-C front-end for GCC'
+ depends=("gcc=$pkgver-$pkgrel")
+ provides=($pkgname-multilib)
+ replaces=($pkgname-multilib)
+
+ cd gcc-build
+ make DESTDIR="$pkgdir" -C $CHOST/libobjc install-headers
+ install -dm755 "$pkgdir/${_libdir}"
+ install -m755 gcc/cc1obj{,plus} "$pkgdir/${_libdir}/"
+
+ # Install Runtime Library Exception
+ install -d "$pkgdir/usr/share/licenses/$pkgname/"
+ ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
+ "$pkgdir/usr/share/licenses/$pkgname/"
+}
+
+package_gcc-ada() {
+ pkgdesc='Ada front-end for GCC (GNAT)'
+ depends=("gcc=$pkgver-$pkgrel")
+ provides=($pkgname-multilib)
+ replaces=($pkgname-multilib)
+ options+=(staticlibs)
+
+ cd gcc-build/gcc
+ make DESTDIR="$pkgdir" ada.install-{common,info}
+ install -m755 gnat1 "$pkgdir/${_libdir}"
+
+ cd "$srcdir"/gcc-build/$CHOST/32/libada
+ make DESTDIR=${pkgdir} INSTALL="install" \
+ INSTALL_DATA="install -m644" install-gnatlib
+
+ ln -s gcc "$pkgdir/usr/bin/gnatgcc"
+
+ # insist on dynamic linking, but keep static libraries because gnatmake complains
+ mv "$pkgdir"/${_libdir}/adalib/libgna{rl,t}-${_pkgver}.so "$pkgdir/usr/lib"
+ ln -s libgnarl-${_pkgver}.so "$pkgdir/usr/lib/libgnarl.so"
+ ln -s libgnat-${_pkgver}.so "$pkgdir/usr/lib/libgnat.so"
+ rm -f "$pkgdir"/${_libdir}/adalib/libgna{rl,t}.so
+
+ install -d "$pkgdir/usr/lib32/"
+ mv "$pkgdir"/${_libdir}/32/adalib/libgna{rl,t}-${_pkgver}.so "$pkgdir/usr/lib32"
+ ln -s libgnarl-${_pkgver}.so "$pkgdir/usr/lib32/libgnarl.so"
+ ln -s libgnat-${_pkgver}.so "$pkgdir/usr/lib32/libgnat.so"
+ rm -f "$pkgdir"/${_libdir}/32/adalib/libgna{rl,t}.so
+
+ # Install Runtime Library Exception
+ install -d "$pkgdir/usr/share/licenses/$pkgname/"
+ ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
+ "$pkgdir/usr/share/licenses/$pkgname/"
+}
+
+package_gcc-go() {
+ pkgdesc='Go front-end for GCC'
+ depends=("gcc=$pkgver-$pkgrel")
+ provides=("go=1.8.1" $pkgname-multilib)
+ replaces=($pkgname-multilib)
+ conflicts=(go)
+
+ cd gcc-build
+ make -C $CHOST/libgo DESTDIR="$pkgdir" install-exec-am
+ make -C $CHOST/32/libgo DESTDIR="$pkgdir" install-exec-am
+ make DESTDIR="$pkgdir" install-gotools
+ make -C gcc DESTDIR="$pkgdir" go.install-{common,man,info}
+
+ rm -f "$pkgdir"/usr/lib{,32}/libgo.so*
+ install -Dm755 gcc/go1 "$pkgdir/${_libdir}/go1"
+
+ # Install Runtime Library Exception
+ install -d "$pkgdir/usr/share/licenses/$pkgname/"
+ ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
+ "$pkgdir/usr/share/licenses/$pkgname/"
+}
+
+package_lib32-gcc-libs() {
+ pkgdesc='32-bit runtime libraries shipped by GCC'
+ depends=('lib32-glibc>=2.26')
+ groups=(multilib-devel)
+ options=(!emptydirs !strip)
+
+ cd gcc-build
+
+ make -C $CHOST/32/libgcc DESTDIR="$pkgdir" install-shared
+ rm -f "$pkgdir/$_libdir/32/libgcc_eh.a"
+
+ for lib in \
+ libgfortran \
+ libgo \
+ libsanitizer/{a,l,ub}san \
+ libstdc++-v3/src \
+ ; do
+ make -C $CHOST/32/$lib DESTDIR="$pkgdir" install-toolexeclibLTLIBRARIES
+ done
+
+# make -C $CHOST/32/libobjc DESTDIR="$pkgdir" install-libs
+# make -C $CHOST/32/libmpx DESTDIR="$pkgdir" install
+# rm -f "$pkgdir/usr/lib32/libmpx.spec"
+
+ # remove files provided by gcc-libs
+ rm -rf "$pkgdir"/usr/lib
+
+ # Install Runtime Library Exception
+# install -Dm644 "$srcdir/gcc/COPYING.RUNTIME" \
+# "$pkgdir/usr/share/licenses/lib32-gcc-libs/RUNTIME.LIBRARY.EXCEPTION"
+}
+
+makedepends=(
+ $(
+ printf '%s\n' "${makedepends[@]}" | \
+ grep -v '^lib32-glibc\($\|[<>=]\)'
+ )
+)
+pkgname=(
+ $(
+ printf '%s\n' "${pkgname[@]}" | \
+ grep -vFx 'lib32-gcc-libs'
+ )
+)
+unset -f 'package_lib32-gcc-libs'
+eval "$(
+ declare -f prepare | \
+ sed '
+ \,/s/lib64/lib/, d
+ '
+ declare -f build | \
+ sed '
+ s/--enable-multilib/--disable-multilib/
+ '
+ declare -f package_gcc-libs | \
+ sed '
+ s/\$pkgname-multilib//
+ s@libsanitizer/{a,l,ub,t}san@libsanitizer/{a,l,ub}san@
+ \@/usr/lib32/@ d
+ '
+ declare -f package_gcc | \
+ sed '
+ s/"lib32-gcc-libs[^"]*"//g
+ '
+ declare -f package_gcc-ada | \
+ sed '
+ \,cd .*/32/libada,{
+ N
+ d
+ }
+ '
+)"
+eval "$(
+ for name in "${pkgname[@]}"; do
+ declare -f package_${name} | \
+ sed '
+ s/$pkgname-multilib//
+ s/{,32}//
+ \,/lib32/,d
+ \,/32/,d
+ '
+ done
+)"
diff --git a/i486-stage1/libmpc/DESCR b/i486-stage1/libmpc/DESCR
new file mode 100644
index 0000000..b7ba8bd
--- /dev/null
+++ b/i486-stage1/libmpc/DESCR
@@ -0,0 +1,6 @@
+# mpc is needed by gcc
+SYSROOT_INSTALL=1
+
+# prepare configure for cross-compilation
+sed -i "s@./configure@./configure --host=$TARGET_ARCH --build=$BUILD_ARCH@g" PKGBUILD
+
diff --git a/i486-stage1/make/DESCR b/i486-stage1/make/DESCR
new file mode 100644
index 0000000..e72d655
--- /dev/null
+++ b/i486-stage1/make/DESCR
@@ -0,0 +1,6 @@
+# prepare configure for cross-compilation
+sed -i "s@./configure@./configure --host=$TARGET_ARCH --build=$BUILD_ARCH@g" PKGBUILD
+
+# no guile
+sed -i "/depends=/s/'guile'//" PKGBUILD
+sed -i 's@./configure@./configure --without-guile@g' PKGBUILD
diff --git a/i486-stage1/mpfr/DESCR b/i486-stage1/mpfr/DESCR
new file mode 100644
index 0000000..f098886
--- /dev/null
+++ b/i486-stage1/mpfr/DESCR
@@ -0,0 +1,5 @@
+# mpc is needed by gcc
+SYSROOT_INSTALL=1
+
+# prepare configure for cross-compilation
+sed -i "s@./configure@./configure --host=$TARGET_ARCH --build=$BUILD_ARCH@g" PKGBUILD