6
# Build LLVM the "Apple way".
9
# The first parameter is a space-separated list of the architectures the
10
# compilers will run on. For instance, "ppc i386". If the current machine
11
# isn't in the list, it will (effectively) be added.
14
# The second parameter is a space-separated list of the architectures the
15
# compilers will generate code for. If the current machine isn't in the list, a
16
# compiler for it will get built anyway, but won't be installed.
17
# FIXME: The list of targets is currently hard-coded and TARGETS is not used.
20
# The third parameter is the path to the compiler sources. There should be a
21
# shell script named 'configure' in this directory. This script makes a copy...
24
# The fourth parameter is the location where the LLVM will be installed. You can
25
# move it once it's built, so this mostly controls the layout of $DEST_DIR.
28
# The fifth parameter is the place where the compiler will be copied once it's
32
# The sixth parameter is a directory in which to place information (like
33
# unstripped executables and generated source files) helpful in debugging the
37
# The seventh parameter is a yes/no that indicates whether assertions should be
38
# enabled in the LLVM libs/tools.
41
# The eighth parameter is a yes/no that indicates whether this is an optimized
45
# The ninth parameter is a yes/no that indicates whether libLTO.dylib
46
# should be installed.
49
# A yes/no parameter that controls whether to cross-build for an ARM host.
50
ARM_HOSTED_BUILD="${10}"
52
# A yes/no parameter that controls whether to cross-build for the iOS simulator
55
# The version number of the submission, e.g. 1007.
56
LLVM_SUBMIT_VERSION="${12}"
58
# The subversion number of the submission, e.g. 03.
59
LLVM_SUBMIT_SUBVERSION="${13}"
61
# The current working directory is where the build will happen. It may already
62
# contain a partial result of an interrupted build, in which case this script
63
# will continue where it left off.
66
DARWIN_VERS=`uname -r | sed 's/\..*//'`
67
echo DARWIN_VERS = $DARWIN_VERS
69
################################################################################
72
# Create the source tree we'll actually use to build, deleting
73
# tcl since it doesn't actually build properly in a cross environment
74
# and we don't really need it.
76
rm -rf $SRC_DIR || exit 1
77
mkdir $SRC_DIR || exit 1
78
ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1
79
# We can't use the top-level Makefile as-is. Remove the soft link:
80
rm $SRC_DIR/Makefile || exit 1
81
# Now create our own by editing the top-level Makefile, deleting every line marked "Apple-style":
82
sed -e '/[Aa]pple-style/d' -e '/include.*GNUmakefile/d' $ORIG_SRC_DIR/Makefile > $SRC_DIR/Makefile || exit 1
84
# Build the LLVM tree universal.
85
mkdir -p $DIR/obj-llvm || exit 1
86
cd $DIR/obj-llvm || exit 1
88
if [ "$ARM_HOSTED_BUILD" = yes ]; then
89
# The cross-tools' build process expects to find an existing cross toolchain
90
# under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them.
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rm -rf $DIR/bin || exit 1
92
mkdir $DIR/bin || exit 1
93
for prog in ar nm ranlib strip lipo ld as ; do
94
P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog}
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T=`xcrun -sdk $SDKROOT -find ${prog}`
96
echo '#!/bin/sh' > $P || exit 1
97
echo 'exec '$T' "$@"' >> $P || exit 1
98
chmod a+x $P || exit 1
100
# Try to use the platform llvm-gcc. Fall back to gcc if it's not available.
101
for prog in gcc g++ ; do
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P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog}
103
T=`xcrun -sdk $SDKROOT -find llvm-${prog}`
104
if [ "x$T" = "x" ] ; then
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T=`xcrun -sdk $SDKROOT -find ${prog}`
107
echo '#!/bin/sh' > $P || exit 1
108
echo 'exec '$T' -arch armv6 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1
109
chmod a+x $P || exit 1
113
# otherwise, try to use llvm-gcc if it's available
114
elif [ $DARWIN_VERS -gt 9 ]; then
115
# If the user has set CC or CXX, respect their wishes. If not,
116
# compile with LLVM-GCC/LLVM-G++ if available; if LLVM is not
117
# available, fall back to usual GCC/G++ default.
118
savedPATH=$PATH ; PATH="/Developer/usr/bin:$PATH"
119
XTMPCC=$(which llvm-gcc)
120
if [ x$CC = x -a x$XTMPCC != x ] ; then export CC=$XTMPCC ; fi
121
XTMPCC=$(which llvm-g++)
122
if [ x$CXX = x -a x$XTMPCC != x ] ; then export CXX=$XTMPCC ; fi
124
unset XTMPCC savedPATH
127
if [ "$ARM_HOSTED_BUILD" = yes ]; then
128
configure_opts="--enable-targets=arm --host=arm-apple-darwin10 \
129
--target=arm-apple-darwin10 --build=i686-apple-darwin10"
130
elif [ "$IOS_SIM_BUILD" = yes ]; then
131
# Use a non-standard "darwin_sim" host triple to trigger a cross-build.
132
configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \
133
--build=i686-apple-darwin10"
135
configure_opts="--enable-targets=arm,x86,powerpc,cbe"
138
if [ \! -f Makefile.config ]; then
139
$SRC_DIR/configure --prefix=$DEST_DIR$DEST_ROOT $configure_opts \
140
--enable-assertions=$LLVM_ASSERTIONS \
141
--enable-optimized=$LLVM_OPTIMIZED \
146
SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/[^.]*\.\([0-9]*\).*/\1/'`
148
if [ "x$SUBVERSION" != "x$RC_ProjectSourceVersion" ]; then
149
LLVM_SUBMIT_SUBVERSION=`printf "%02d" $SUBVERSION`
150
RC_ProjectSourceVersion=`echo $RC_ProjectSourceVersion | sed -e 's/\..*//'`
151
LLVM_SUBMIT_VERSION=$RC_ProjectSourceVersion
154
if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
155
LLVM_VERSION="$LLVM_SUBMIT_VERSION"
157
LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
160
GCC_VER=`cc --version 2>/dev/null | sed 1q`
162
if echo "$GCC_VER" | grep GCC > /dev/null; then
163
GCC_VER=`echo $GCC_VER | sed -e 's/.*(GCC) \([0-9.][0-9.]*\).*/\1/'`
164
MAJ_VER=`echo $GCC_VER | sed 's/\..*//'`
165
MIN_VER=`echo $GCC_VER | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
170
# Note: If compiling with GCC 4.0, don't pass the -jN flag. Building universal
171
# already has parallelism and we don't want to make the builders hit swap by
172
# firing off too many gccs at the same time.
173
if [ "x$MAJ_VER" != "x4" -o "x$MIN_VER" != "x0" ]; then
174
# Figure out how many make processes to run.
175
SYSCTL=`sysctl -n hw.activecpu`
177
# hw.activecpu only available in 10.2.6 and later
178
if [ -z "$SYSCTL" ]; then
179
SYSCTL=`sysctl -n hw.ncpu`
182
# sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot.
183
# Builders can default to 2, since even if they are single processor,
184
# nothing else is running on the machine.
185
if [ -z "$SYSCTL" ]; then
189
JOBS_FLAG="-j $SYSCTL"
192
make $JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \
193
UNIVERSAL_SDK_PATH=$SDKROOT \
197
LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
198
LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
199
CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" \
202
if [ $? != 0 ] ; then
203
echo "error: LLVM 'make' failed!"
207
################################################################################
208
# Construct the actual destination root, by copying stuff from $DIR/dst-* to
209
# $DEST_DIR, with occasional 'lipo' commands.
211
cd $DEST_DIR || exit 1
213
# Clean out DEST_DIR in case -noclean was passed to buildit.
216
cd $DIR/obj-llvm || exit 1
218
# Install the tree into the destination directory.
219
make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \
223
LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
224
LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
225
OPTIMIZE_OPTION='-O3' VERBOSE=1 install
227
if ! test $? == 0 ; then
228
echo "error: LLVM 'make install' failed!"
233
LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'`
234
if [ "x$LLVM_MINOR_VERSION" = "x" ]; then
237
RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION`
238
echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h
239
echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h
241
if [ "x$LLVM_DEBUG" != "x1" ]; then
242
# Strip local symbols from llvm libraries.
244
# Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
246
strip -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa]
247
for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do
252
# Copy over the tblgen utility.
253
cp `find $DIR -name tblgen` $DEST_DIR$DEST_ROOT/bin
256
cd $DEST_DIR$DEST_ROOT
257
rm -f bin/.dir etc/llvm/.dir lib/.dir
259
# Remove PPC64 fat slices.
260
cd $DEST_DIR$DEST_ROOT/bin
261
if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
262
find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
263
-exec lipo -extract ppc -extract i386 {} -output {} \;
264
elif [ $MACOSX_DEPLOYMENT_TARGET = "10.5" ]; then
265
find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
266
-exec lipo -extract ppc7400 -extract i386 {} -output {} \;
268
find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
269
-exec lipo -extract ppc7400 -extract i386 -extract x86_64 {} -output {} \;
272
# The Hello dylib is an example of how to build a pass. No need to install it.
273
rm $DEST_DIR$DEST_ROOT/lib/LLVMHello.dylib
276
MDIR=$DEST_DIR$DEST_ROOT/share/man/man1
279
################################################################################
280
# Create SYM_DIR with information required for debugging.
282
# Figure out how many make processes to run.
283
SYSCTL=`sysctl -n hw.activecpu`
285
# hw.activecpu only available in 10.2.6 and later
286
if [ -z "$SYSCTL" ]; then
287
SYSCTL=`sysctl -n hw.ncpu`
290
# sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
291
# can default to 2, since even if they are single processor, nothing else is
292
# running on the machine.
293
if [ -z "$SYSCTL" ]; then
297
cd $SYM_DIR || exit 1
299
# Clean out SYM_DIR in case -noclean was passed to buildit.
302
# Generate .dSYM files
303
find $DEST_DIR -perm -0111 -type f \
304
! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \
305
-print | xargs -n 1 -P ${SYSCTL} dsymutil
307
# Save .dSYM files and .a archives
308
cd $DEST_DIR || exit 1
309
find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
310
| cpio -pdml $SYM_DIR || exit 1
313
mkdir $SYM_DIR/src || exit 1
315
find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
316
| cpio -pdml $SYM_DIR/src || exit 1
318
################################################################################
319
# Install and strip libLTO.dylib
321
cd $DEST_DIR$DEST_ROOT
322
if [ "$INSTALL_LIBLTO" = "yes" ]; then
323
DT_HOME="$DEST_DIR/Developer/usr"
324
mkdir -p $DT_HOME/lib
325
mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib
327
# Save a copy of the unstripped dylib
328
mkdir -p $SYM_DIR/Developer/usr/lib
329
cp $DT_HOME/lib/libLTO.dylib $SYM_DIR/Developer/usr/lib/libLTO.dylib
331
# Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
333
strip -arch all -Sl $DT_HOME/lib/libLTO.dylib
335
if [ "x$DISABLE_USR_LINKS" == "x" ]; then
336
# Add a symlink in /usr/lib for B&I.
337
mkdir -p $DEST_DIR/usr/lib/
338
(cd $DEST_DIR/usr/lib && \
339
ln -s ../../Developer/usr/lib/libLTO.dylib ./libLTO.dylib)
342
rm -f lib/libLTO.dylib
344
rm -f lib/libLTO.a lib/libLTO.la
346
################################################################################
347
# Remove debugging information from DEST_DIR.
351
find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
352
find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
354
# Strip debugging information from files
356
# Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
358
find $DEST_DIR -perm -0111 -type f \
359
! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \
360
-print | xargs -n 1 -P ${SYSCTL} strip -arch all -Sl
362
chgrp -h -R wheel $DEST_DIR
363
chgrp -R wheel $DEST_DIR
365
################################################################################
366
# Remove the docs directory
368
rm -rf $DEST_DIR$DEST_ROOT/docs
370
################################################################################