#!/bin/bash -x
+#
+# SPDX-FileCopyrightText: 2024 Kienan Stewart <kstewart@efficios.com
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
SRC_DIR="${SRC_DIR:-/src/gcc-releases-gcc-4.8.5}"
PATCH_DIR="${PATCH_DIR:-/src/patches}"
-TARGET="${TARGET:-aarch64-linux-gnu}"
-HOST="${HOST:-x86_64-linux-gnu}"
-CONFIGURE_ARGS="${CONFIGURE_ARGS:-}"
-MAKE_ARGS="${MAKE_ARGS:-}"
-MAKE_INSTALL_ARGS="${MAKE_INSTALL_ARGS:-}"
+BIN_SUFFIX="${BIN_SUFFIX:-4.8}"
+IFS=' ' read -r -a TARGETS <<< "${TARGETS:-aarch64-linux-gnu}"
+HOST="${HOST:-x86_64-pc-linux-gnu}"
+CONFIGURE_ARGS=(${CONFIGURE_ARGS:-})
+MAKE_ARGS=(${MAKE_ARGS:-})
+MAKE_INSTALL_ARGS=(${MAKE_INSTALL_ARGS:-})
+DEBUG="${DEBUG:-}"
+CSTD="${CSTD:-gnu99}"
+CXXSTD="${CXXSTD:-gnu++98}"
+
+BUILD_DIR="$(pwd)"
-OWD="$(pwd)"
cd "${SRC_DIR}" || exit 1
while read -r line ; do
EXT=$(echo "$line" | rev | cut -d. -f1 | rev)
PATCH_LEVEL="${EXT}"
fi
patch -p"${PATCH_LEVEL}" < "${line}"
-done < <(find "${PATCH_DIR}" -type f)
-cd "${OWD}"
+done < <(find "${PATCH_DIR}" -type f | sort)
+
+NPROC="${NPROC:=$(nproc)}"
+CFLAGS=(-std="${CSTD}" -w)
+CXXFLAGS=(-std="${CXXSTD}" -w)
+
+
+cd "${SRC_DIR}" || exit 1
+mkdir -p "/output/usr/local/gcc${BIN_SUFFIX}"
+./contrib/download_prerequisites
+PREREQS=(gmp isl mpfr mpc)
+for PREREQ in "${PREREQS[@]}" ; do
+ cd "${SRC_DIR}/${PREREQ}" || continue
+ ARGS=(
+ --prefix="/usr/local/gcc${BIN_SUFFIX}"
+ )
+ case "${PREREQ}" in
+ "isl")
+ ARG+=(
+ --with-gmp-prefix="/usr/local/gcc${BIN_SUFFIX}"
+ )
+ ;;
+ "mpc")
+ ARGS+=(
+ --with-gmp="/usr/local/gcc${BIN_SUFFIX}"
+ --with-mpfr="/usr/local/gcc${BIN_SUFFIX}"
+ )
+ ;;
+ "mpfr")
+ ARGS+=(--with-gmp="/usr/local/gcc${BIN_SUFFIX}")
+ ;;
+ esac
+ ./configure "${ARGS[@]}"
+ make -j"${NPROC}"
+ make install
+ cd ..
+ rm -rf "${PREREQ}"*
+done
+cd "${BUILD_DIR}" || exit 1
+
+for TARGET in "${TARGETS[@]}" ; do
+ echo "*** Building for target: ${TARGET} ***"
+ rm -rf "${BUILD_DIR}"
+ mkdir -p "${BUILD_DIR}"
+ cd "${BUILD_DIR}" || continue
-TARGET_ARGS=()
-case "${TARGET}" in
- aarch64-linux-gnu)
- TARGET_ARGS+=(
- --enable-fix-cortex-a64-84319
- )
- ;;
- arm-linux-gnueabihf)
- TARGET_ARGS+=(
- --with-arch=armv7-a
- --with-float=hard
- --with-fpu=vfpv3-d16
- --with-mode=thumb
- )
- ;;
- i686-linux-gnu)
- TARGET_ARGS+=(
- --with-arch-i686
- --with-tune=generic
- )
- ;;
- powerpc64le-linux-gnu)
- TARGET_ARGS+=(
- --enable-secureplt
- --enable-targets=powerpcle-linux
- --with-cpu=power8
- --with-long-double-128
- )
- ;;
- powerpc-linux-gnu)
- TARGET_ARGS+=(
- --disable-softfloat
- --enable-secureplt
- --enable-targets=powerpc-linux,powerpc64-linux
- --with-cpu=default32
- --with-long-double-128
- )
- ;;
- riscv64-linux-gnu)
- echo "Not supported in gcc-4.8"
- exit 0
- ;;
- s390x-linux-gnu)
- TARGET_ARGS+=(
- --with-arch=zEC12
- --with-long-double-128
- )
- ;;
- *)
- echo "Unrecognized target: ${TARGET}"
- exit 0
- ;;
-esac
+ TARGET_ARGS=()
+ PROGRAM_PREFIX="${TARGET}-"
+ case "${TARGET}" in
+ aarch64-linux-gnu)
+ TARGET_ARGS+=(
+ --enable-fix-cortex-a64-84319
+ )
+ ;;
+ arm-linux-gnueabihf)
+ TARGET_ARGS+=(
+ --with-arch=armv7-a
+ --with-float=hard
+ --with-fpu=vfpv3-d16
+ --with-mode=thumb
+ )
+ ;;
+ i686-linux-gnu)
+ TARGET_ARGS+=(
+ --with-arch-i686
+ --with-tune=generic
+ )
+ ;;
+ powerpc64le-linux-gnu)
+ # Disable multilib so that ppc64el kernel can be built, since
+ # legacy Makefiles compile vdso in 32bits unconditionally.
+ # @see https://bugzilla.redhat.com/show_bug.cgi?id=1237363
+ # @see https://bugzilla.redhat.com/show_bug.cgi?id=1205236
+ # @see https://bugs.launchpad.net/ubuntu/trusty/+source/linux/+bug/1433809/
+ TARGET_ARGS+=(
+ --disable-multilib
+ --enable-targets=powerpcle-linux
+ --with-cpu=power8
+ --with-long-double-128
+ )
+ ;;
+ powerpc-linux-gnu)
+ TARGET_ARGS+=(
+ '--disable-softfloat'
+ '--enable-secureplt'
+ '--enable-targets=powerpc-linux,powerpc64-linux'
+ '--with-cpu=default32'
+ '--with-long-double-128'
+ )
+ ;;
+ riscv64-linux-gnu)
+ echo "Not supported in gcc-4.8"
+ continue
+ ;;
+ s390x-linux-gnu)
+ TARGET_ARGS+=(
+ --with-arch=zEC12
+ --with-long-double-128
+ )
+ ;;
+ "${HOST}")
+ TARGET="${HOST}"
+ PROGRAM_PREFIX=''
+ ;;
+ *)
+ echo "Unrecognized target: ${TARGET}"
+ continue
+ ;;
+ esac
+ mkdir -p "/output/usr/local/gcc${BIN_SUFFIX}/lib/gcc-cross/${TARGET}" /output/usr/local
+
+ START=$(date +%s)
+ "${SRC_DIR}/configure" --build="${HOST}" --host="${HOST}" --enable-languages=c,c++ \
+ --program-prefix="${PROGRAM_PREFIX}" --target="${TARGET}" --program-suffix="-${BIN_SUFFIX}" \
+ --prefix="/usr/local/gcc${BIN_SUFFIX}" --with-system-zlib \
+ --libexecdir="/usr/local/gcc${BIN_SUFFIX}/lib/" \
+ --libdir="/usr/local/gcc${BIN_SUFFIX}/lib/" \
+ --includedir="/usr/local/gcc${BIN_SUFFIX}/${TARGET}/include" \
+ --disable-bootstrap --disable-nls --disable-shared --enable-host-shared \
+ --enable-threads=posix --enable-default-pie --with-sysroot=/ \
+ --without-target-system-zlib --enable-multiarch \
+ --with-isl="/usr/local/gcc${BIN_SUFFIX}" \
+ --with-gmp="/usr/local/gcc${BIN_SUFFIX}" \
+ --with-mpfr="/usr/local/gcc${BIN_SUFFIX}" \
+ --with-mpc="/usr/local/gcc${BIN_SUFFIX}" \
+ "${TARGET_ARGS[@]}" "${CONFIGURE_ARGS[@]}" \
+ CFLAGS="${CFLAGS[*]}" CXXFLAGS="${CXXFLAGS[*]}"
+
+ # This avoids building libgcc and binutils
+ # Copy include files from gcc-12 cross prior to build
+ mkdir -p "/usr/local/gcc${BIN_SUFFIX}/${TARGET}/lib"
+ mkdir -p "/usr/local/gcc${BIN_SUFFIX}/bin/"
+ cp -r "/usr/lib/gcc-cross/${TARGET}/12/"* "/usr/local/gcc${BIN_SUFFIX}/${TARGET}/"
+ cp -r "/usr/lib/gcc/x86_64-linux-gnu/12/"* "/usr/local/gcc${BIN_SUFFIX}/${TARGET}/lib/"
+ cp -r "/usr/${TARGET}/"* "/usr/local/gcc${BIN_SUFFIX}/${TARGET}/"
+ # And the binutils binaries
+ cp "/usr/bin/${TARGET}-"* "/usr/local/gcc${BIN_SUFFIX}/bin/"
+
+ make -j"${NPROC}" "${MAKE_ARGS[@]}" CFLAGS="${CFLAGS[*]}" CXXFLAGS="${CXXFLAGS[*]}" \
+ LD_LIBRARY_PATH="/usr/local/gcc${BIN_SUFFIX}/lib:${LD_LIBRARY_PATH}"
+ # Do not use -jN with make install, it often breaks.
+ make install "${MAKE_INSTALL_ARGS[@]}" \
+ LD_LIBRARY_PATH="/usr/local/gcc${BIN_SUFFIX}/lib:${LD_LIBRARY_PATH}"
+
+ if [ -n "${DEBUG}" ] ; then
+ echo $(($(date +%s) - START)) > "/output/${TARGET}.time"
+ fi
-"${SRC_DIR}/configure" --build="${HOST}" --host="${HOST}" --enable-languages=c,c++ \
- --program-prefix="${TARGET}-" --target="${TARGET}" --program-suffix=-4.8 \
- --prefix=/usr/ --with-system-zlib \
- --libexecdir=/usr/lib/ --libdir=/usr/lib/ \
- --disable-nls --disable-shared --enable-host-shared \
- --disable-bootstrap --enable-threads=posix --enable-default-pie \
- --with-sysroot=/ --includedir=/usr/"${TARGET}"/include \
- --without-target-system-zlib --enable-multiarch
- ${TARGET_ARGS[@]} ${CONFIGURE_ARGS} \
- CFLAGS='-std=gnu99' CXXFLAGS='-std=gnu++98'
+ cp config.log "/output/config-${TARGET}.log"
+done
-make -j"${NPROC:-$(nproc)}" ${MAKE_ARGS} \
- CFLAGS='-std=gnu99' CXXFLAGS='-std=gnu++98'
+cp -r "/usr/local/gcc${BIN_SUFFIX}" "/output/usr/local/"
-make install ${MAKE_INSTALL_ARGS}
-mkdir -p /output/usr/lib/ /output/usr/bin/
-cp -r /usr/lib/gcc-cross /output/usr/lib/
-cp /usr/bin/*-4.8 /output/usr/bin/
+# To test
+# 1. Copy the output tarball from the Makefile to a Debian bookworm instance
+# 2. Unpack, eg. `tar -xzf gcc55.tar.gz -C /`
+# 3. Build a small test program, eg.
+# LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/gcc5.5/bin \
+# PATH=$PATH:/usr/local/gcc5.5/bin \
+# aarch64-linux-gnu-gcc-5.5 -o hello hello.c
+# 4. Copy the built binary to a system with that native architecture and run it
+# 5. Upload to object storage, eg.
+# s3cmd put gcc55.tar.gz s3://jenkins/gcc-5.5-x86_64-linux-gnu-cross.tgz
+#
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