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# Contributor: Wojtek Kosior <kwojtus@protonmail.com>
pkgname=gcc-source
pkgver=6.3.0
_debrel=18+deb9u1
_islver=0.16.1
pkgrel=1
pkgdesc="Source of the GNU Compiler Collection"
arch=(any)
license=('GPL-3' 'LGPL-3' 'custom:GCC-Exception-3.1' 'FDL-1.3')
url="https://gcc.gnu.org"
depends=('quilt')
source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.bz2{,.sig}
https://deb.debian.org/debian/pool/main/g/gcc-6/gcc-6_$pkgver-$_debrel.diff.gz
http://isl.gforge.inria.fr/isl-${_islver}.tar.bz2)
validpgpkeys=('33C235A34C46AA3FFB293709A328C3A2C3C45C06') # Jakub Jelinek <jakub@redhat.com> (Weak DSA) :/
sha512sums=('234dd9b1bdc9a9c6e352216a7ef4ccadc6c07f156006a59759c5e0e6a69f0abcdc14630eff11e3826dd6ba5933a8faa43043f3d1d62df6bd5ab1e82862f9bf78'
'SKIP'
'171ad340013f87d671141f6f8e7e349a7858aaf34c15fd692c9412e012beeb5d29e966228cc24f10afcce2ca677c04449cad09e96f9d8bcb3bdbf320ea190c7d'
'c188667a84dc5bdddb4ab7c35f89c91bf15a8171f4fcaf41301cf285fb7328846d9a367c096012fec4cc69d244f0bc9e95d84c09ec097394cd4093076f2a041b')
noextract=(gcc-$pkgver.tar.bz2 isl-${_islver}.tar.bz2)
# Most patches from debian fail to apply. These are the ones that work.
_desired_patches=(0001-i386-Move-struct-ix86_frame-to-machine_function.diff
0002-i386-Use-reference-of-struct-ix86_frame-to-avoid-copy.diff
0003-i386-Use-const-reference-of-struct-ix86_frame-to-avoi.diff
0004-x86-Add-mindirect-branch.diff
0005-x86-Add-mfunction-return.diff
0006-x86-Add-mindirect-branch-register.diff
0007-x86-Add-V-register-operand-modifier.diff
0008-x86-Disallow-mindirect-branch-mfunction-return-with-m.diff
0009-Use-INVALID_REGNUM-in-indirect-thunk-processing.diff
ada-749574.diff
ada-revert-pr63225.diff
CVE-2016-9840.diff
CVE-2016-9841.diff
CVE-2016-9842.diff
CVE-2016-9843.diff
pr47818.diff
pr60818.diff
pr64735.diff
pr64735-headers.diff
pr65618.diff
pr66368.diff
pr67590.diff
pr67899.diff
pr72813.diff
pr77267.diff
pr77857.diff
pr78774.diff
pr80533.diff)
prepare () {
cd ${srcdir}
# this command creates, among all, the directory debian/patches and fills it
patch -p1 -i gcc-6_$pkgver-$_debrel.diff
# quilt expects a properly formatted 'series' file with list of patches
echo ${_desired_patches[@]} | sed 's/ /\n/g' | sed 's/$/ -p2/' > series
# Patches and 'series' will go to /usr/src/gcc/debian_patches.
# We're not interested in rest of the stuff in debian/.
# here we create script to be used for unpacking gcc sources we'll install
echo "\
#!/bin/sh
mkdir -p \"\$1\" && cd \"\$1\"
bsdtar -xf /usr/src/gcc/gcc-${pkgver}.tar.bz2
bsdtar -xf /usr/src/gcc/isl-${_islver}.tar.bz2
ln -s ../isl-${_islver} gcc-${pkgver}/isl
export QUILT_PATCHES=/usr/src/gcc/debian_patches
export QUILT_REFRESH_ARGS='-p ab --no-timestamps --no-index'
export QUILT_DIFF_ARGS='--no-timestamps'
cd gcc-${pkgver}
quilt push -av
rm -r .pc/" > prepare-gcc-source
}
package () {
install -m755 -d ${pkgdir}/usr/src/gcc/debian_patches
# install patches
cd ${srcdir}/debian/patches
install -m644 ${_desired_patches[@]} ${srcdir}/series ${pkgdir}/usr/src/gcc/debian_patches
# install tarballs
install -m644 ${srcdir}/{gcc-$pkgver.tar.bz2,isl-${_islver}.tar.bz2} ${pkgdir}/usr/src/gcc
# install our script
install -m755 -d ${pkgdir}/usr/bin
install -m755 ${srcdir}/prepare-gcc-source ${pkgdir}/usr/bin
}
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