Update to GCC 13

The latest version of GCC.

Luckily this allows for a bunch of patches to be dropped - apart from
that, no significant change.

sysc/gcc-12.2.0/gcc-12.2.0.sh

@@ -1,101 +0,0 @@
-# SPDX-FileCopyrightText: 2023 fosslinux <fosslinux@aussies.space>
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-src_prepare() {
-    default
-
-    # Remove vendored zlib
-    rm -r zlib/
-
-    # Regen gperf file (because GCC's make rules suck)
-    rm gcc/cp/cfns.h
-    # (taken directly from gcc/cp/Make-lang.in)
-    gperf -o -C -E -k '1-6,$' -j1 -D -N 'libc_name_p' -L C++ \
-        gcc/cp/cfns.gperf --output-file gcc/cp/cfns.h
-
-    # Regenerate autogen stuff
-    autogen Makefile.def
-    pushd fixincludes
-    ./genfixes
-    popd
-    
-    # Regenerate autotools
-    # configure
-    find . -name configure | sed 's:/configure::' | while read d; do
-        pushd "${d}"
-        AUTOMAKE=automake-1.15 ACLOCAL=aclocal-1.15 autoreconf-2.69 -fiv
-        popd
-    done
-    # Because GCC is stupid, copy depcomp back in
-    cp "${PREFIX}/share/automake-1.15/depcomp" .
-    # Makefile.in only
-    local BACK="${PWD}"
-    find . -type d \
-        -exec test -e "{}/Makefile.am" -a ! -e "{}/configure" \; \
-        -print | while read d; do
-        d="$(readlink -f "${d}")"
-        cd "${d}"
-        # Find the appropriate configure script for automake
-        while [ ! -e configure ]; do
-            cd ..
-        done
-        automake-1.15 -fai "${d}/Makefile"
-        cd "${BACK}"
-    done
-
-    # Remove bison generated files
-    rm intl/plural.c
-
-    # Remove flex generated files
-    rm gcc/gengtype-lex.cc
-
-    # Remove unused generated files
-    rm -r libgfortran/generated
-
-    # intl/ Makefile is a bit broken because of new gettext
-    sed -i 's/@USE_INCLUDED_LIBINTL@/no/' intl/Makefile.in
-
-    # Regenerate crc table in libiberty/crc32.c
-    pushd libiberty
-    sed -n -e '38,65p' crc32.c > crcgen.c
-    gcc -o crcgen crcgen.c
-    head -n 69 crc32.c > crc32.c.new
-    ./crcgen >> crc32.c.new
-    tail -n +138 crc32.c >> crc32.c.new
-    mv crc32.c.new crc32.c
-    popd
-    
-    # Remove docs/translation
-    find . -name "*.gmo" -delete
-    find . -name "*.info" -delete
-}
-
-src_configure() {
-    mkdir build
-    cd build
-
-    LDFLAGS="-static" \
-    ../configure \
-        --prefix="${PREFIX}" \
-        --libdir="${LIBDIR}" \
-        --build=i386-unknown-linux-musl \
-        --target=i386-unknown-linux-musl \
-        --host=i386-unknown-linux-musl \
-        --enable-bootstrap \
-        --enable-static \
-        --enable-default-pie \
-        --enable-default-ssp \
-        --disable-plugins \
-        --disable-libssp \
-        --disable-libsanitizer \
-        --program-transform-name= \
-        --enable-languages=c,c++ \
-        --with-system-zlib \
-        --disable-multilib \
-        --enable-threads=posix
-}
-
-src_compile() {
-    make "${MAKEJOBS}" BOOT_LDFLAGS="-static"
-}