xref: /haiku/build/scripts/build_cross_tools_gcc4 (revision 08b9db66ac0a5d4fa92dcb82820e1435f203ea42)
1#!/bin/sh
2#
3# parameters <machine> <haiku sourcedir> <buildtools dir> <install dir>
4
5# get and check the parameters
6if [ $# -lt 4 ]; then
7	echo Usage: $0 '<machine> <haiku sourcedir> <buildtools dir>' \
8		'<install dir> [extra make flags]' >&2
9	exit 1
10fi
11
12set -e
13
14if [ -z "$MAKE" ]; then
15	echo "MAKE undefined. Assuming make."
16	export MAKE=make
17fi
18
19haikuMachine=$1
20haikuSourceDir=$2
21buildToolsDir=$3
22installDir=$4
23shift 4
24additionalMakeArgs=$*
25gdbSourceDir="$HAIKU_USE_GDB"
26
27ccFlags="-O2"
28cxxFlags="-O2"
29binutilsTargets="$haikuMachine"
30gdbTarget="$haikuMachine"
31case $haikuMachine in
32i586-*)
33	binutilsConfigureArgs="--disable-multilib"
34	gccConfigureArgs="--disable-multilib"
35	binutilsTargets="$binutilsTargets,i386-efi-pe,x86_64-efi-pe"
36	gdbConfigureArgs="--disable-multilib"
37	;;
38x86_64-*)
39	binutilsConfigureArgs="--enable-multilib"
40	gccConfigureArgs="--enable-multilib"
41	binutilsTargets="$binutilsTargets,i386-efi-pe,x86_64-efi-pe"
42	gdbConfigureArgs="--disable-multilib"
43	;;
44m68k-*)
45	binutilsConfigureArgs="--enable-multilib"
46	gccConfigureArgs="--enable-multilib"
47	gdbConfigureArgs="--disable-multilib"
48	gdbTarget="m68k-unknown-elf"
49	;;
50arm-*)
51	# Multilib creates a lot of confusion as the wrong libs end up being linked.
52	# For now, target Cortex-A8 devices.
53	binutilsConfigureArgs="--disable-multilib --with-float=hard
54		--with-cpu=cortex-a8 --with-fpu=vfpv3"
55	gccConfigureArgs="--disable-multilib --with-float=hard
56		--with-cpu=cortex-a8 --with-fpu=vfpv3"
57
58	# TODO: Disable building with TLS support for ARM until implemented.
59	binutilsConfigureArgs="$binutilsConfigureArgs --disable-tls"
60	gccConfigureArgs="$gccConfigureArgs --disable-tls"
61	gdbConfigureArgs="--disable-multilib --disable-werror -enable-interwork"
62	gdbTarget="arm-unknown-elf"
63	;;
64riscv*-*)
65	binutilsConfigureArgs=" --with-arch=rv64gc"
66	gccConfigureArgs=" --with-arch=rv64gc"
67	gdbConfigureArgs=""
68
69	binutilsConfigureArgs="$binutilsConfigureArgs --disable-multilib"
70	gccConfigureArgs="$gccConfigureArgs --disable-multilib"
71	gdbConfigureArgs="$gdbConfigureArgs --disable-multilib"
72	;;
73powerpc-*)
74	binutilsConfigureArgs="--disable-multilib"
75	gccConfigureArgs="--disable-multilib"
76	binutilsTargets="$binutilsTargets,powerpc-apple-linux,powerpc-apple-freebsd,powerpc-apple-vxworks"
77	gdbConfigureArgs="--disable-multilib --disable-werror"
78	gdbTarget="powerpc-unknown-elf"
79
80	# TODO: Disable building with TLS support for PPC until implemented.
81	binutilsConfigureArgs="$binutilsConfigureArgs --disable-tls"
82	gccConfigureArgs="$gccConfigureArgs --disable-tls"
83	;;
84*)
85	binutilsConfigureArgs="--disable-multilib"
86	gccConfigureArgs="--disable-multilib"
87	gdbConfigureArgs="--disable-multilib"
88	;;
89esac
90
91if [ `uname -s` = 'Haiku' ]; then
92	# force cross-build if building on Haiku:
93	buildhostMachine=${haikuMachine}_buildhost
94	buildHostSpec="--build=$buildhostMachine --host=$buildhostMachine"
95fi
96
97if [ ! -d "$haikuSourceDir" ]; then
98	echo "No such directory: \"$haikuSourceDir\"" >&2
99	exit 1
100fi
101
102if [ ! -d "$buildToolsDir" ]; then
103	echo "No such directory: \"$buildToolsDir\"" >&2
104	exit 1
105fi
106
107if [ -n "$gdbSourceDir" -a ! -d "$gdbSourceDir" ]; then
108	echo "No such directory: \"$gdbSourceDir\"" >&2
109	exit 1
110fi
111
112
113# create the output dir
114mkdir -p "$installDir" || exit 1
115
116
117# get absolute paths
118currentDir=$(pwd)
119
120cd "$haikuSourceDir"
121haikuSourceDir=$(pwd)
122cd "$currentDir"
123
124cd "$buildToolsDir"
125buildToolsDir=$(pwd)
126cd "$currentDir"
127
128cd "$installDir"
129installDir=$(pwd)
130cd "$currentDir"
131
132if [ -n "$gdbSourceDir" ]; then
133cd "$gdbSourceDir"
134gdbSourceDir=$(pwd)
135cd "$currentDir"
136fi
137
138binutilsSourceDir="$buildToolsDir/binutils"
139gccSourceDir="$buildToolsDir/gcc"
140
141
142# get gcc version
143gccVersion=$(cat "$gccSourceDir/gcc/BASE-VER")
144
145if [ -z "$gccVersion" ]; then
146	echo "Failed to find out gcc version." >&2
147	exit 1
148fi
149
150# clear out the "missing" scripts so that they don't cause errors on tools
151# that are not installed, as we will have committed any files generated by
152# them to the buildtools repo already.
153echo "#!/bin/sh" >"$binutilsSourceDir"/missing
154echo "#!/bin/sh" >"$gccSourceDir"/missing
155echo "#!/bin/sh" >"$gccSourceDir"/isl/missing
156
157# create the object and installation directories for the cross compilation tools
158objDir="${installDir}-build"
159binutilsObjDir="$objDir/binutils"
160gccObjDir="$objDir/gcc"
161gdbObjDir="$objDir/gdb"
162stdcxxObjDir="$objDir/stdcxx"
163sysrootDir="$installDir/sysroot"
164tmpIncludeDir="$sysrootDir/boot/system/develop/headers"
165tmpLibDir="$sysrootDir/boot/system/develop/lib"
166
167rm -rf "$installDir" "$objDir"
168
169mkdir -p "$installDir" "$objDir" "$binutilsObjDir" "$gccObjDir" "$gdbObjDir" \
170	"$stdcxxObjDir" "$tmpIncludeDir" "$tmpLibDir" || exit 1
171mkdir -p "$installDir/lib/gcc/$haikuMachine/$gccVersion"
172
173if [ "$HAIKU_USE_GCC_PIPE" = 1 ]; then
174	ccFlags="$ccFlags -pipe"
175	cxxFlags="$cxxFlags -pipe"
176fi
177
178if [ -n "$SECONDARY_ARCH" ]; then
179	gccConfigureArgs="$gccConfigureArgs --with-hybrid-secondary=$SECONDARY_ARCH"
180fi
181
182# force the POSIX locale, as the build (makeinfo) might choke otherwise
183export LC_ALL=POSIX
184
185# build gdb
186if [ -n "$HAIKU_USE_GDB" ]; then
187cd "$gdbObjDir"
188	"$gdbSourceDir/configure" \
189		--prefix="$installDir" --target=$gdbTarget \
190		$gdbConfigureArgs \
191		|| exit 1
192	$MAKE $additionalMakeArgs || exit 1
193	$MAKE $additionalMakeArgs install || exit 1
194fi
195
196# build binutils
197cd "$binutilsObjDir"
198CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$binutilsSourceDir/configure" \
199	--prefix="$installDir" $buildHostSpec --target=$haikuMachine \
200	--enable-targets=$binutilsTargets \
201	--disable-nls --disable-shared --disable-werror \
202	--with-sysroot="$sysrootDir" \
203	--disable-maintainer-mode \
204	$binutilsConfigureArgs \
205	|| exit 1
206$MAKE $additionalMakeArgs || exit 1
207$MAKE $additionalMakeArgs install || exit 1
208
209export PATH="$PATH:$installDir/bin"
210
211# build gcc
212
213# prepare the include files
214copy_headers()
215{
216	sourceDir=$1
217	targetDir=$2
218
219	headers="$(find $sourceDir -name \*\.h)"
220	headers="$(echo $headers | sed -e s@$sourceDir/@@g)"
221	for f in $headers; do
222		headerTargetDir="$targetDir/$(dirname $f)"
223		mkdir -p "$headerTargetDir"
224		cp "$sourceDir/$f" "$headerTargetDir"
225	done
226}
227
228copy_headers "$haikuSourceDir/headers/config" "$tmpIncludeDir/config"
229copy_headers "$haikuSourceDir/headers/os" "$tmpIncludeDir/os"
230copy_headers "$haikuSourceDir/headers/posix" "$tmpIncludeDir/posix"
231
232# configure gcc
233cd "$gccObjDir"
234CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$gccSourceDir/configure" \
235	--prefix="$installDir" $buildHostSpec --target=$haikuMachine \
236	--disable-nls --disable-shared --with-system-zlib \
237	--enable-languages=c,c++ --enable-lto --enable-frame-pointer \
238	--enable-__cxa-atexit --enable-threads=posix \
239	--with-default-libstdcxx-abi=gcc4-compatible \
240	--with-sysroot="$sysrootDir" \
241	--disable-maintainer-mode \
242	$gccConfigureArgs \
243	|| exit 1
244
245# make gcc
246$MAKE $additionalMakeArgs || {
247	echo "ERROR: Building gcc failed." >&2
248	exit 1
249}
250
251# install gcc
252$MAKE $additionalMakeArgs install || {
253	echo "ERROR: Installing the cross compiler failed." >&2
254	exit 1
255}
256
257case $haikuMachine in
258x86_64-*)
259	# pick up the 32-bit libraries for the bootloader
260	bootLibgcc=`$installDir/bin/$haikuMachine-gcc -m32 -print-file-name=libgcc.a`
261	$installDir/bin/$haikuMachine-strip --strip-debug $bootLibgcc
262	bootLibsupcxx=`$installDir/bin/$haikuMachine-gcc -m32 -print-file-name=libsupc++.a`
263	$installDir/bin/$haikuMachine-strip --strip-debug $bootLibsupcxx
264	;;
265esac
266
267# cleanup
268
269# remove the system headers from the installation dir
270# Only the ones from the source tree should be used.
271rm -rf "$installDir/$haikuMachine/sys-include"
272
273# rename the static libstdc++ to prevent accidental usage
274# (it should be used by the bootstrap process only)
275mv "$installDir/$haikuMachine/lib/libstdc++.a" \
276	"$installDir/$haikuMachine/lib/libstdc++-static.a"
277
278# remove the sysroot dir
279rm -rf "$sysrootDir"
280
281# remove the objects dir
282rm -rf "$objDir"
283
284
285echo "binutils and gcc for cross compilation have been built successfully!"
286