xref: /haiku/build/scripts/build_cross_tools_gcc4 (revision 19a1dd49cff7ec6a6467cbe2f7006b88931c37d8)
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	# GCC's default is to enable multilib, but there is a bug when
40	# explicitly using --enable-multilib that causes a build
41	# failure
42	binutilsConfigureArgs=""
43	binutilsTargets="$binutilsTargets,i386-efi-pe,x86_64-efi-pe"
44	gdbConfigureArgs="--disable-multilib"
45	;;
46m68k-*)
47	binutilsConfigureArgs="--enable-multilib"
48	gccConfigureArgs="--enable-multilib"
49	gdbConfigureArgs="--disable-multilib"
50	gdbTarget="m68k-unknown-elf"
51	;;
52arm-*)
53	# Multilib creates a lot of confusion as the wrong libs end up being linked.
54	# For now, target Cortex-A8 devices.
55	binutilsConfigureArgs="--disable-multilib --with-float=hard
56		--with-cpu=cortex-a8 --with-fpu=vfpv3"
57	gccConfigureArgs="--disable-multilib --with-float=hard
58		--with-cpu=cortex-a8 --with-fpu=vfpv3"
59
60	# TODO: Disable building with TLS support for ARM until implemented.
61	binutilsConfigureArgs="$binutilsConfigureArgs --disable-tls"
62	gccConfigureArgs="$gccConfigureArgs --disable-tls"
63	gdbConfigureArgs="--disable-multilib --disable-werror -enable-interwork"
64	gdbTarget="arm-unknown-elf"
65	;;
66riscv*-*)
67	binutilsConfigureArgs="--disable-multilib"
68	gccConfigureArgs="--disable-multilib"
69	gdbConfigureArgs="--disable-multilib"
70
71	# TODO: Disable building with TLS support for riscv until implemented.
72	binutilsConfigureArgs="$binutilsConfigureArgs --disable-tls"
73	gccConfigureArgs="$gccConfigureArgs --disable-tls"
74	;;
75powerpc-*)
76	binutilsConfigureArgs="--disable-multilib"
77	gccConfigureArgs="--disable-multilib"
78	binutilsTargets="$binutilsTargets,powerpc-apple-linux,powerpc-apple-freebsd,powerpc-apple-vxworks"
79	gdbConfigureArgs="--disable-multilib --disable-werror"
80	gdbTarget="powerpc-unknown-elf"
81
82	# TODO: Disable building with TLS support for PPC until implemented.
83	binutilsConfigureArgs="$binutilsConfigureArgs --disable-tls"
84	gccConfigureArgs="$gccConfigureArgs --disable-tls"
85	;;
86*)
87	binutilsConfigureArgs="--disable-multilib"
88	gccConfigureArgs="--disable-multilib"
89	gdbConfigureArgs="--disable-multilib"
90	;;
91esac
92
93if [ `uname -s` = 'Haiku' ]; then
94	# force cross-build if building on Haiku:
95	buildhostMachine=${haikuMachine}_buildhost
96	buildHostSpec="--build=$buildhostMachine --host=$buildhostMachine"
97fi
98
99if [ ! -d "$haikuSourceDir" ]; then
100	echo "No such directory: \"$haikuSourceDir\"" >&2
101	exit 1
102fi
103
104if [ ! -d "$buildToolsDir" ]; then
105	echo "No such directory: \"$buildToolsDir\"" >&2
106	exit 1
107fi
108
109if [ -n "$gdbSourceDir" -a ! -d "$gdbSourceDir" ]; then
110	echo "No such directory: \"$gdbSourceDir\"" >&2
111	exit 1
112fi
113
114
115# create the output dir
116mkdir -p "$installDir" || exit 1
117
118
119# get absolute paths
120currentDir=$(pwd)
121
122cd "$haikuSourceDir"
123haikuSourceDir=$(pwd)
124cd "$currentDir"
125
126cd "$buildToolsDir"
127buildToolsDir=$(pwd)
128cd "$currentDir"
129
130cd "$installDir"
131installDir=$(pwd)
132cd "$currentDir"
133
134if [ -n "$gdbSourceDir" ]; then
135cd "$gdbSourceDir"
136gdbSourceDir=$(pwd)
137cd "$currentDir"
138fi
139
140binutilsSourceDir="$buildToolsDir/binutils"
141gccSourceDir="$buildToolsDir/gcc"
142
143
144# get gcc version
145gccVersion=$(cat "$gccSourceDir/gcc/BASE-VER")
146
147if [ -z "$gccVersion" ]; then
148	echo "Failed to find out gcc version." >&2
149	exit 1
150fi
151
152# clear out the "missing" scripts so that they don't cause errors on tools
153# that are not installed, as we will have committed any files generated by
154# them to the buildtools repo already.
155echo "#!/bin/sh" >"$binutilsSourceDir"/missing
156echo "#!/bin/sh" >"$gccSourceDir"/missing
157echo "#!/bin/sh" >"$gccSourceDir"/isl/missing
158
159# create the object and installation directories for the cross compilation tools
160objDir="${installDir}-build"
161binutilsObjDir="$objDir/binutils"
162gccObjDir="$objDir/gcc"
163gdbObjDir="$objDir/gdb"
164stdcxxObjDir="$objDir/stdcxx"
165sysrootDir="$installDir/sysroot"
166tmpIncludeDir="$sysrootDir/boot/system/develop/headers"
167tmpLibDir="$sysrootDir/boot/system/develop/lib"
168
169rm -rf "$installDir" "$objDir"
170
171mkdir -p "$installDir" "$objDir" "$binutilsObjDir" "$gccObjDir" "$gdbObjDir" \
172	"$stdcxxObjDir" "$tmpIncludeDir" "$tmpLibDir" || exit 1
173mkdir -p "$installDir/lib/gcc/$haikuMachine/$gccVersion"
174
175if [ "$HAIKU_USE_GCC_PIPE" = 1 ]; then
176	ccFlags="$ccFlags -pipe"
177	cxxFlags="$cxxFlags -pipe"
178fi
179
180if [ -n "$SECONDARY_ARCH" ]; then
181	gccConfigureArgs="$gccConfigureArgs --with-hybrid-secondary=$SECONDARY_ARCH"
182fi
183
184# force the POSIX locale, as the build (makeinfo) might choke otherwise
185export LC_ALL=POSIX
186
187# build gdb
188if [ -n "$HAIKU_USE_GDB" ]; then
189cd "$gdbObjDir"
190	"$gdbSourceDir/configure" \
191		--prefix="$installDir" --target=$gdbTarget \
192		$gdbConfigureArgs \
193		|| exit 1
194	$MAKE $additionalMakeArgs || exit 1
195	$MAKE $additionalMakeArgs install || exit 1
196fi
197
198# build binutils
199cd "$binutilsObjDir"
200CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$binutilsSourceDir/configure" \
201	--prefix="$installDir" $buildHostSpec --target=$haikuMachine \
202	--enable-targets=$binutilsTargets \
203	--disable-nls --disable-shared --disable-werror \
204	--with-sysroot="$sysrootDir" \
205	--disable-maintainer-mode \
206	$binutilsConfigureArgs \
207	|| exit 1
208$MAKE $additionalMakeArgs || exit 1
209$MAKE $additionalMakeArgs install || exit 1
210
211export PATH="$PATH:$installDir/bin"
212
213# build gcc
214
215# prepare the include files
216copy_headers()
217{
218	sourceDir=$1
219	targetDir=$2
220
221	headers="$(find $sourceDir -name \*\.h)"
222	headers="$(echo $headers | sed -e s@$sourceDir/@@g)"
223	for f in $headers; do
224		headerTargetDir="$targetDir/$(dirname $f)"
225		mkdir -p "$headerTargetDir"
226		cp "$sourceDir/$f" "$headerTargetDir"
227	done
228}
229
230copy_headers "$haikuSourceDir/headers/config" "$tmpIncludeDir/config"
231copy_headers "$haikuSourceDir/headers/os" "$tmpIncludeDir/os"
232copy_headers "$haikuSourceDir/headers/posix" "$tmpIncludeDir/posix"
233
234# configure gcc
235cd "$gccObjDir"
236CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$gccSourceDir/configure" \
237	--prefix="$installDir" $buildHostSpec --target=$haikuMachine \
238	--disable-nls --disable-shared --with-system-zlib \
239	--enable-languages=c,c++ --enable-lto --enable-frame-pointer \
240	--enable-__cxa-atexit --enable-threads=posix \
241	--with-default-libstdcxx-abi=gcc4-compatible \
242	--with-sysroot="$sysrootDir" \
243	--disable-maintainer-mode \
244	$gccConfigureArgs \
245	|| exit 1
246
247# make gcc
248$MAKE $additionalMakeArgs || {
249	echo "ERROR: Building gcc failed." >&2
250	exit 1
251}
252
253# install gcc
254$MAKE $additionalMakeArgs install || {
255	echo "ERROR: Installing the cross compiler failed." >&2
256	exit 1
257}
258
259case $haikuMachine in
260x86_64-*)
261	# pick up the 32-bit libraries for the bootloader
262	bootLibgcc=`$installDir/bin/$haikuMachine-gcc -m32 -print-file-name=libgcc.a`
263	$installDir/bin/$haikuMachine-strip --strip-debug $bootLibgcc
264	bootLibsupcxx=`$installDir/bin/$haikuMachine-gcc -m32 -print-file-name=libsupc++.a`
265	$installDir/bin/$haikuMachine-strip --strip-debug $bootLibsupcxx
266	;;
267esac
268
269# cleanup
270
271# remove the system headers from the installation dir
272# Only the ones from the source tree should be used.
273rm -rf "$installDir/$haikuMachine/sys-include"
274
275# rename the static libstdc++ to prevent accidental usage
276# (it should be used by the bootstrap process only)
277mv "$installDir/$haikuMachine/lib/libstdc++.a" \
278	"$installDir/$haikuMachine/lib/libstdc++-static.a"
279
280# remove the sysroot dir
281rm -rf "$sysrootDir"
282
283# remove the objects dir
284rm -rf "$objDir"
285
286
287echo "binutils and gcc for cross compilation have been built successfully!"
288