haiku/build/scripts/build_cross_tools_gcc4
Jessica Hamilton e9e00b80c0 cross_tools: allow specifying a custom sysroot path
* Use with --sysroot /path/to/sysroot; useful for CI
  environments and cross-building.

Change-Id: I27a93a5d209cd5324591587e85fce9b47c18172d
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5318
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
2022-06-05 09:08:20 +00:00

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#!/bin/sh
#
# parameters <machine> <haiku sourcedir> <buildtools dir> <install dir>
# get and check the parameters
if [ $# -lt 4 ]; then
echo Usage: $0 '<machine> <haiku sourcedir> <buildtools dir>' \
'<install dir> [extra make flags]' >&2
exit 1
fi
set -e
if [ -z "$MAKE" ]; then
echo "MAKE undefined. Assuming make."
export MAKE=make
fi
haikuMachine=$1
haikuSourceDir=$2
buildToolsDir=$3
installDir=$4
shift 4
additionalMakeArgs=$*
gdbSourceDir="$HAIKU_USE_GDB"
ccFlags="-O2"
#CLang needs c++14 to build ISL: https://dev.haiku-os.org/ticket/16434
cxxFlags="-O2 -std=c++14"
binutilsTargets="$haikuMachine"
gdbTarget="$haikuMachine"
case $haikuMachine in
i586-*)
binutilsConfigureArgs="--disable-multilib"
gccConfigureArgs="--disable-multilib"
binutilsTargets="$binutilsTargets,i386-efi-pe,x86_64-efi-pe"
gdbConfigureArgs="--disable-multilib"
;;
x86_64-*)
binutilsConfigureArgs="--enable-multilib"
gccConfigureArgs="--enable-multilib"
binutilsTargets="$binutilsTargets,i386-efi-pe,x86_64-efi-pe"
gdbConfigureArgs="--disable-multilib"
;;
m68k-*)
binutilsConfigureArgs="--enable-multilib"
gccConfigureArgs="--enable-multilib"
gdbConfigureArgs="--disable-multilib"
gdbTarget="m68k-unknown-elf"
;;
arm-*)
# Multilib creates a lot of confusion as the wrong libs end up being linked.
# For now, target Cortex-A8 devices.
binutilsConfigureArgs="--disable-multilib --with-float=hard
--with-cpu=cortex-a8 --with-fpu=vfpv3"
gccConfigureArgs="--disable-multilib --with-float=hard
--with-cpu=cortex-a8 --with-fpu=vfpv3"
# TODO: Disable building with TLS support for ARM until implemented.
binutilsConfigureArgs="$binutilsConfigureArgs --disable-tls"
gccConfigureArgs="$gccConfigureArgs --disable-tls"
gdbConfigureArgs="--disable-multilib --disable-werror -enable-interwork"
gdbTarget="arm-unknown-elf"
;;
riscv*-*)
binutilsConfigureArgs=" --with-arch=rv64gc"
gccConfigureArgs=" --with-arch=rv64gc"
gdbConfigureArgs=""
binutilsConfigureArgs="$binutilsConfigureArgs --disable-multilib"
gccConfigureArgs="$gccConfigureArgs --disable-multilib"
gdbConfigureArgs="$gdbConfigureArgs --disable-multilib"
;;
powerpc-*)
binutilsConfigureArgs="--disable-multilib"
gccConfigureArgs="--disable-multilib"
binutilsTargets="$binutilsTargets,powerpc-apple-linux,powerpc-apple-freebsd,powerpc-apple-vxworks"
gdbConfigureArgs="--disable-multilib --disable-werror"
gdbTarget="powerpc-unknown-elf"
# TODO: Disable building with TLS support for PPC until implemented.
binutilsConfigureArgs="$binutilsConfigureArgs --disable-tls"
gccConfigureArgs="$gccConfigureArgs --disable-tls"
;;
*)
binutilsConfigureArgs="--disable-multilib"
gccConfigureArgs="--disable-multilib"
gdbConfigureArgs="--disable-multilib"
;;
esac
if [ `uname -s` = 'Haiku' ]; then
# force cross-build if building on Haiku:
buildhostMachine=${haikuMachine}_buildhost
buildHostSpec="--build=$buildhostMachine --host=$buildhostMachine"
fi
if [ ! -d "$haikuSourceDir" ]; then
echo "No such directory: \"$haikuSourceDir\"" >&2
exit 1
fi
if [ ! -d "$buildToolsDir" ]; then
echo "No such directory: \"$buildToolsDir\"" >&2
exit 1
fi
if [ -n "$gdbSourceDir" -a ! -d "$gdbSourceDir" ]; then
echo "No such directory: \"$gdbSourceDir\"" >&2
exit 1
fi
# create the output dir
mkdir -p "$installDir" || exit 1
# get absolute paths
currentDir=$(pwd)
cd "$haikuSourceDir"
haikuSourceDir=$(pwd)
cd "$currentDir"
cd "$buildToolsDir"
buildToolsDir=$(pwd)
cd "$currentDir"
cd "$installDir"
installDir=$(pwd)
cd "$currentDir"
if [ -n "$gdbSourceDir" ]; then
cd "$gdbSourceDir"
gdbSourceDir=$(pwd)
cd "$currentDir"
fi
binutilsSourceDir="$buildToolsDir/binutils"
gccSourceDir="$buildToolsDir/gcc"
# get gcc version
gccVersion=$(cat "$gccSourceDir/gcc/BASE-VER")
if [ -z "$gccVersion" ]; then
echo "Failed to find out gcc version." >&2
exit 1
fi
# clear out the "missing" scripts so that they don't cause errors on tools
# that are not installed, as we will have committed any files generated by
# them to the buildtools repo already.
echo "#!/bin/sh" >"$binutilsSourceDir"/missing
echo "#!/bin/sh" >"$gccSourceDir"/missing
echo "#!/bin/sh" >"$gccSourceDir"/isl/missing
# create the object and installation directories for the cross compilation tools
objDir="${installDir}-build"
binutilsObjDir="$objDir/binutils"
gccObjDir="$objDir/gcc"
gdbObjDir="$objDir/gdb"
stdcxxObjDir="$objDir/stdcxx"
sysrootDir=${HAIKU_USE_SYSROOT:-"$installDir/sysroot"}
tmpIncludeDir="$sysrootDir/boot/system/develop/headers"
tmpLibDir="$sysrootDir/boot/system/develop/lib"
rm -rf "$installDir" "$objDir"
mkdir -p "$installDir" "$objDir" "$binutilsObjDir" "$gccObjDir" "$gdbObjDir" \
"$stdcxxObjDir" "$tmpIncludeDir" "$tmpLibDir" || exit 1
mkdir -p "$installDir/lib/gcc/$haikuMachine/$gccVersion"
if [ "$HAIKU_USE_GCC_PIPE" = 1 ]; then
ccFlags="$ccFlags -pipe"
cxxFlags="$cxxFlags -pipe"
fi
if [ -n "$SECONDARY_ARCH" ]; then
gccConfigureArgs="$gccConfigureArgs --with-hybrid-secondary=$SECONDARY_ARCH"
fi
# force the POSIX locale, as the build (makeinfo) might choke otherwise
export LC_ALL=POSIX
# build gdb
if [ -n "$HAIKU_USE_GDB" ]; then
cd "$gdbObjDir"
"$gdbSourceDir/configure" \
--prefix="$installDir" --target=$gdbTarget \
$gdbConfigureArgs \
|| exit 1
$MAKE $additionalMakeArgs || exit 1
$MAKE $additionalMakeArgs install || exit 1
fi
# build binutils
cd "$binutilsObjDir"
CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$binutilsSourceDir/configure" \
--prefix="$installDir" $buildHostSpec --target=$haikuMachine \
--enable-targets=$binutilsTargets \
--disable-nls --disable-shared --disable-werror \
--with-sysroot="$sysrootDir" \
--disable-maintainer-mode \
$binutilsConfigureArgs \
|| exit 1
$MAKE $additionalMakeArgs || exit 1
$MAKE $additionalMakeArgs install || exit 1
export PATH="$PATH:$installDir/bin"
# build gcc
# prepare the include files
copy_headers()
{
sourceDir=$1
targetDir=$2
headers="$(find $sourceDir -name \*\.h)"
headers="$(echo $headers | sed -e s@$sourceDir/@@g)"
for f in $headers; do
headerTargetDir="$targetDir/$(dirname $f)"
mkdir -p "$headerTargetDir"
cp "$sourceDir/$f" "$headerTargetDir"
done
}
copy_headers "$haikuSourceDir/headers/config" "$tmpIncludeDir/config"
copy_headers "$haikuSourceDir/headers/os" "$tmpIncludeDir/os"
copy_headers "$haikuSourceDir/headers/posix" "$tmpIncludeDir/posix"
# configure gcc
cd "$gccObjDir"
CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$gccSourceDir/configure" \
--prefix="$installDir" $buildHostSpec --target=$haikuMachine \
--disable-nls --disable-shared --with-system-zlib \
--enable-languages=c,c++ --enable-lto --enable-frame-pointer \
--enable-__cxa-atexit --enable-threads=posix \
--with-default-libstdcxx-abi=gcc4-compatible \
--with-sysroot="$sysrootDir" \
--disable-maintainer-mode \
--disable-libgomp \
--disable-libatomic \
$gccConfigureArgs \
|| exit 1
# make gcc
$MAKE $additionalMakeArgs || {
echo "ERROR: Building gcc failed." >&2
exit 1
}
# install gcc
$MAKE $additionalMakeArgs install || {
echo "ERROR: Installing the cross compiler failed." >&2
exit 1
}
case $haikuMachine in
x86_64-*)
# pick up the 32-bit libraries for the bootloader
bootLibgcc=`$installDir/bin/$haikuMachine-gcc -m32 -print-file-name=libgcc.a`
$installDir/bin/$haikuMachine-strip --strip-debug $bootLibgcc
bootLibsupcxx=`$installDir/bin/$haikuMachine-gcc -m32 -print-file-name=libsupc++.a`
$installDir/bin/$haikuMachine-strip --strip-debug $bootLibsupcxx
;;
esac
# cleanup
# remove the system headers from the installation dir
# Only the ones from the source tree should be used.
rm -rf "$installDir/$haikuMachine/sys-include"
# rename the static libstdc++ to prevent accidental usage
# (it should be used by the bootstrap process only)
mv "$installDir/$haikuMachine/lib/libstdc++.a" \
"$installDir/$haikuMachine/lib/libstdc++-static.a"
# remove the sysroot dir
if [ -n "$HAIKU_USE_SYSROOT" ]; then
rm -rf "$sysrootDir"/boot/system/*
else
rm -rf "$sysrootDir"
fi
# remove the objects dir
rm -rf "$objDir"
echo "binutils and gcc for cross compilation have been built successfully!"