Rebuild GCC against musl 1.2.2.

sysa/gcc-4.0.4/pass2.sh

@@ -0,0 +1,81 @@
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+# SPDX-FileCopyrightText: 2021 Paul Dersey <pdersey@gmail.com>
+
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+src_unpack() {
+    default_src_unpack
+}
+
+src_prepare() {
+    default_src_prepare
+
+    # Needed for musl
+    sed -i 's/struct siginfo/siginfo_t/' gcc/config/i386/linux-unwind.h
+
+    rm configure
+    autoconf-2.13
+    for dir in intl libcpp; do
+        cd $dir
+        rm aclocal.m4
+        aclocal-1.9 --acdir=../config
+        cd ..
+    done
+    for dir in fixincludes gcc intl libcpp libiberty; do
+        cd $dir
+        rm configure
+        autoconf-2.61
+        cd ..
+    done
+    cd libmudflap
+    autoreconf-2.61 -f
+    cd ..
+
+    for dir in fixincludes intl libmudflap; do
+        cd $dir
+        rm -f config.in
+        autoheader-2.61
+        cd ..
+    done
+
+    # Rebuild libtool files
+    rm config.guess config.sub ltmain.sh
+    libtoolize
+
+    # Rebuild bison files
+    # Workaround for bison being too new
+    sed -i 's/YYLEX/yylex()/' gcc/c-parse.y
+    rm gcc/c-parse.c
+    rm gcc/gengtype-yacc.c gcc/gengtype-yacc.h
+    rm intl/plural.c
+
+    # Rebuild flex generated files
+    rm gcc/gengtype-lex.c
+
+    # Remove translation catalogs
+    rm gcc/po/*.gmo
+}
+
+src_configure() {
+    mkdir build
+    cd build
+    ../configure \
+        --prefix="${PREFIX}" \
+        --libdir="${PREFIX}"/lib/musl \
+        --build=i386-unknown-linux-gnu \
+        --host=i386-unknown-linux-gnu \
+        --disable-shared \
+        --disable-nls \
+        --disable-libmudflap
+    cd ..
+}
+
+src_compile() {
+    mkdir -p /usr/
+    ln -sf "${PREFIX}"/include /usr/include
+    make -C build LIBGCC2_INCLUDES=-I"${PREFIX}/include/musl"
+}
+
+src_install() {
+    make -C build install
+}