pkgname=(gcc
#     gcc-fortran
#     gcc-go
#     gcc-objc
#     gcc-m2
    gcc-libs
    gcc-libs-32bit)
pkgbase=gcc
pkgver=14.2.0
pkgrel=1
pkgdesc="The GNU Compiler Collection"
arch=('x86_64')
url="https://gcc.gnu.org"
license=('GPL-3.0-with-GCC-exception' 'GFDL-1.3-or-later')
makedepends=('zstd' 'binutils' 'mpc' 'isl' 'glibc-32bit')
options=('!emptydirs' '!lto' '!strip')
source=(https://ftp.gnu.org/gnu/${pkgname}/${pkgbase}-${pkgver}/${pkgbase}-${pkgver}.tar.xz
    c89
    c99)
sha256sums=(a7b39bc69cbf9e25826c5a60ab26477001f7c08d85cec04bc0e29cabed6f3cc9
    aa3327fd8626acf2a28fa75c0b3ed99fcffb1bbcbe6974505f050ee751ba4154
    2861971c0ef2c011ce10c98e8cf7b5fd1d3d3c4eddcfe0a01ed9d76940f67638)

prepare() {
    cd ${pkgbase}-${pkgver}

    sed -e '/m32=/s/m32=.*/m32=..\/lib32$(call if_multiarch,:i386-linux-gnu)/' \
        -i.orig gcc/config/i386/t-linux64

    sed '/STACK_REALIGN_DEFAULT/s/0/(!TARGET_64BIT \&\& TARGET_SSE)/' \
        -i gcc/config/i386/i386.h

    sed -i -e 's@/lib/ld-linux.so.2@/lib32/ld-linux.so.2@g' gcc/config/i386/linux64.h

    install -dm755 build
}

build() {
    cd ${pkgbase}-${pkgver}/build

    export CC="${CHOST}-gcc"
    export CXX="${CHOST}-g++"

    CFLAGS=${CFLAGS/-Werror=format-security/}
    CXXFLAGS=${CXXFLAGS/-Werror=format-security/}

    local configure_args=(
        --enable-default-pie
        --enable-default-ssp
        --enable-host-pie
        --enable-multilib
        --with-multilib-list="m64,m32"
        --disable-bootstrap
        --disable-fixincludes
        --with-system-zlib
        --enable-languages=c,c++
        --target=${CHOST}
        ${configure_options}
    )

    ../configure ${configure_args[@]}

    make
}

package_gcc() {
    pkgdesc="The GNU Compiler Collection - C and C++ frontends"
    groups=('base-devel')
    depends=("${pkgbase}-libs=${pkgver}-${pkgrel}" 'zstd' 'binutils' 'mpc' 'isl')

    cd ${pkgbase}-${pkgver}/build

    make DESTDIR=${pkgdir} install

    chown -v -R root:root ${pkgdir}/usr/lib64/gcc/$(gcc -dumpmachine)/${pkgver}/include{,-fixed}

    ln -s gcc ${pkgdir}/usr/bin/cc
    ln -svr cpp ${pkgdir}/usr/lib64
   
    ln -sv gcc.1 ${pkgdir}/usr/share/man/man1/cc.1

    install -dm755 ${pkgdir}/usr/lib64/bfd-plugins/
    ln -sv /usr/libexec/gcc/$(gcc -dumpmachine)/${pkgver%%+*} ${pkgdir}/usr/lib64/bfd-plugins/
    
    install -d ${pkgdir}/usr/share/gdb/auto-load/usr/lib{32,64}
    mv ${pkgdir}/usr/lib64/libstdc++.so.6.*-gdb.py ${pkgdir}/usr/share/gdb/auto-load/usr/lib64/
    mv ${pkgdir}/usr/lib32/libstdc++.so.6.*-gdb.py ${pkgdir}/usr/share/gdb/auto-load/usr/lib32/

    install -vm755 ${srcdir}/c89 ${pkgdir}/usr/bin/c89
    install -vm755 ${srcdir}/c99 ${pkgdir}/usr/bin/c99

    _pick libs ${pkgdir}/usr/lib64/libasan.so
    _pick libs ${pkgdir}/usr/lib64/libasan.so.8
    _pick libs ${pkgdir}/usr/lib64/libasan.so.8.0.0
    _pick libs ${pkgdir}/usr/lib64/libatomic.so
    _pick libs ${pkgdir}/usr/lib64/libatomic.so.1
    _pick libs ${pkgdir}/usr/lib64/libatomic.so.1.2.0
    _pick libs ${pkgdir}/usr/lib64/libgcc_s.so
    _pick libs ${pkgdir}/usr/lib64/libgcc_s.so.1
    _pick libs ${pkgdir}/usr/lib64/libgomp.so
    _pick libs ${pkgdir}/usr/lib64/libgomp.so.1
    _pick libs ${pkgdir}/usr/lib64/libgomp.so.1.0.0
    _pick libs ${pkgdir}/usr/lib64/libitm.so
    _pick libs ${pkgdir}/usr/lib64/libitm.so.1
    _pick libs ${pkgdir}/usr/lib64/libitm.so.1.0.0
    _pick libs ${pkgdir}/usr/lib64/liblsan.so
    _pick libs ${pkgdir}/usr/lib64/liblsan.so.0
    _pick libs ${pkgdir}/usr/lib64/liblsan.so.0.0.0
    _pick libs ${pkgdir}/usr/lib64/libquadmath.so
    _pick libs ${pkgdir}/usr/lib64/libquadmath.so.0
    _pick libs ${pkgdir}/usr/lib64/libquadmath.so.0.0.0
    _pick libs ${pkgdir}/usr/lib64/libstdc++.so  
    _pick libs ${pkgdir}/usr/lib64/libstdc++.so.6  
    _pick libs ${pkgdir}/usr/lib64/libstdc++.so.6.0.33
    _pick libs ${pkgdir}/usr/lib64/libtsan.so
    _pick libs ${pkgdir}/usr/lib64/libtsan.so.2
    _pick libs ${pkgdir}/usr/lib64/libtsan.so.2.0.0
    _pick libs ${pkgdir}/usr/lib64/libubsan.so
    _pick libs ${pkgdir}/usr/lib64/libubsan.so.1
    _pick libs ${pkgdir}/usr/lib64/libubsan.so.1.0.0
    _pick libs ${pkgdir}/usr/share/info/libgomp.info
    _pick libs ${pkgdir}/usr/share/info/libitm.info
    _pick libs ${pkgdir}/usr/share/info/libquadmath.info
    _pick libs ${pkgdir}/usr/share/locale/de/LC_MESSAGES/libstdc++.mo
    _pick libs ${pkgdir}/usr/share/locale/fr/LC_MESSAGES/libstdc++.mo

    _pick libs32 ${pkgdir}/usr/lib32
    _pick libs32 ${pkgdir}/usr/share/gdb/auto-load/usr/lib32/
}

package_gcc-libs() {
    pkgdesc='Runtime libraries shipped by GCC'
    groups=('base')
    depends=('glibc')

    mv libs/* ${pkgdir}
}

package_gcc-libs-32bit() {
    pkgdesc="32-bit runtime libraries shipped by GCC"
    depends=('glibc-32bit')

    mv libs32/* ${pkgdir}
}

package_gcc-fortran() {
    pkgdesc="Fortran front-end for GCC"
    depends=("${pkgbase}-libs=${pkgver}-${pkgrel}" 'isl')

    mv gccfortran/* ${pkgdir}
    ln -s gfortran ${pkgdir}/usr/bin/f95
}

package_gcc-fortran-32bit() {
    pkgdesc="Fortran front-end for GCC (32-bit)"
    depends=("${pkgbase}-libs-32bit=${pkgver}-${pkgrel}" 'gcc-fortran' 'isl')

    mv gccfortran32/* ${pkgdir}
}

package_gcc-go() {
    pkgdesc="Go front-end for GCC"
    depends=("${pkgbase}-libs=${pkgver}-${pkgrel}" 'isl')

    mv gccgo/* ${pkgdir}
}

package_gcc-go-32bit() {
    pkgdesc="Go front-end for GCC (32-bit)"
    depends=("${pkgbase}-libs-32bit=${pkgver}-${pkgrel}" 'gcc-go' 'isl')

    mv gccgo32/* ${pkgdir}
}

package_gcc-objc() {
    pkgdesc="Objective-C front-end for GCC"
    depends=("${pkgbase}-libs=${pkgver}-${pkgrel}" 'isl')

    mv gccobjc/* ${pkgdir}
}

package_gcc-objc-32bit() {
    pkgdesc="Objective-C front-end for GCC (32-bit)"
    depends=("${pkgbase}-libs-32bit=${pkgver}-${pkgrel}" 'gcc-objc' 'isl')

    mv gccobjc32/* ${pkgdir}
}

package_gcc-m2() {
    pkgdesc="Modula-2 frontend for GCC"
    depends=("${pkgbase}-libs=${pkgver}-${pkgrel}" 'isl')

    mv gccgm2/* ${pkgdir}
}

package_gcc-m2-32bit() {
    pkgdesc="Modula-2 frontend for GCC (32-bit)"
    depends=("${pkgbase}-libs-32bit=${pkgver}-${pkgrel}" 'gcc-m2' 'isl')

    mv gccgm232/* ${pkgdir}
}