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 # The version number of the submission, e.g. 1007.
53 LLVM_SUBMIT_VERSION="${11}"
55 # The subversion number of the submission, e.g. 03.
56 LLVM_SUBMIT_SUBVERSION="${12}"
58 # The current working directory is where the build will happen. It may already
59 # contain a partial result of an interrupted build, in which case this script
60 # will continue where it left off.
63 DARWIN_VERS=`uname -r | sed 's/\..*//'`
64 echo DARWIN_VERS = $DARWIN_VERS
66 DEVELOPER_DIR="${DEVELOPER_DIR-Developer}"
67 if [ "$ARM_HOSTED_BUILD" = yes ]; then
68 DT_HOME="$DEST_DIR/usr"
70 DT_HOME="$DEST_DIR/$DEVELOPER_DIR/usr"
73 DEST_ROOT="/$DEVELOPER_DIR$DEST_ROOT"
75 ################################################################################
78 # Create the source tree we'll actually use to build, deleting
79 # tcl since it doesn't actually build properly in a cross environment
80 # and we don't really need it.
82 rm -rf $SRC_DIR || exit 1
83 mkdir $SRC_DIR || exit 1
84 ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1
85 # We can't use the top-level Makefile as-is. Remove the soft link:
86 rm $SRC_DIR/Makefile || exit 1
87 # Now create our own by editing the top-level Makefile, deleting every line marked "Apple-style":
88 sed -e '/[Aa]pple-style/d' -e '/include.*GNUmakefile/d' $ORIG_SRC_DIR/Makefile > $SRC_DIR/Makefile || exit 1
90 # Build the LLVM tree universal.
91 mkdir -p $DIR/obj-llvm || exit 1
92 cd $DIR/obj-llvm || exit 1
94 if [ "$ARM_HOSTED_BUILD" = yes ]; then
95 # The cross-tools' build process expects to find an existing cross toolchain
96 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them.
97 rm -rf $DIR/bin || exit 1
98 mkdir $DIR/bin || exit 1
99 for prog in ar nm ranlib strip lipo ld as ; do
100 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog}
101 T=`xcrun -sdk $SDKROOT -find ${prog}`
102 echo '#!/bin/sh' > $P || exit 1
103 echo 'exec '$T' "$@"' >> $P || exit 1
104 chmod a+x $P || exit 1
106 # Try to use the platform llvm-gcc. Fall back to gcc if it's not available.
107 for prog in gcc g++ ; do
108 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog}
109 T=`xcrun -find llvm-${prog}`
110 if [ "x$T" = "x" ] ; then
111 T=`xcrun -sdk $SDKROOT -find ${prog}`
113 echo '#!/bin/sh' > $P || exit 1
114 echo 'exec '$T' -arch armv6 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1
115 chmod a+x $P || exit 1
119 # otherwise, try to use llvm-gcc if it's available
120 elif [ $DARWIN_VERS -gt 9 ]; then
121 # If the user has set CC or CXX, respect their wishes. If not,
122 # compile with LLVM-GCC/LLVM-G++ if available; if LLVM is not
123 # available, fall back to usual GCC/G++ default.
124 savedPATH=$PATH ; PATH="/Developer/usr/bin:$PATH"
125 XTMPCC=$(which llvm-gcc)
126 if [ x$CC = x -a x$XTMPCC != x ] ; then export CC=$XTMPCC ; fi
127 XTMPCC=$(which llvm-g++)
128 if [ x$CXX = x -a x$XTMPCC != x ] ; then export CXX=$XTMPCC ; fi
130 unset XTMPCC savedPATH
133 if [ "$ARM_HOSTED_BUILD" = yes ]; then
134 configure_prefix=$DT_HOME
135 configure_opts="--enable-targets=arm --host=arm-apple-darwin10 \
136 --target=arm-apple-darwin10 --build=i686-apple-darwin10"
138 configure_prefix=$DT_HOME/local
139 configure_opts="--enable-targets=arm,x86,powerpc,cbe"
142 if [ \! -f Makefile.config ]; then
143 $SRC_DIR/configure --prefix=$configure_prefix $configure_opts \
144 --enable-assertions=$LLVM_ASSERTIONS \
145 --enable-optimized=$LLVM_OPTIMIZED \
150 SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/[^.]*\.\([0-9]*\).*/\1/'`
152 if [ "x$SUBVERSION" != "x$RC_ProjectSourceVersion" ]; then
153 LLVM_SUBMIT_SUBVERSION=`printf "%02d" $SUBVERSION`
154 RC_ProjectSourceVersion=`echo $RC_ProjectSourceVersion | sed -e 's/\..*//'`
155 LLVM_SUBMIT_VERSION=$RC_ProjectSourceVersion
158 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
159 LLVM_VERSION="$LLVM_SUBMIT_VERSION"
161 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
164 GCC_VER=`cc --version 2>/dev/null | sed 1q`
166 if echo "$GCC_VER" | grep GCC > /dev/null; then
167 GCC_VER=`echo $GCC_VER | sed -e 's/.*(GCC) \([0-9.][0-9.]*\).*/\1/'`
168 MAJ_VER=`echo $GCC_VER | sed 's/\..*//'`
169 MIN_VER=`echo $GCC_VER | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
174 # Note: If compiling with GCC 4.0, don't pass the -jN flag. Building universal
175 # already has parallelism and we don't want to make the builders hit swap by
176 # firing off too many gccs at the same time.
177 if [ "x$MAJ_VER" != "x4" -o "x$MIN_VER" != "x0" ]; then
178 # Figure out how many make processes to run.
179 SYSCTL=`sysctl -n hw.activecpu`
181 # hw.activecpu only available in 10.2.6 and later
182 if [ -z "$SYSCTL" ]; then
183 SYSCTL=`sysctl -n hw.ncpu`
186 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot.
187 # Builders can default to 2, since even if they are single processor,
188 # nothing else is running on the machine.
189 if [ -z "$SYSCTL" ]; then
193 JOBS_FLAG="-j $SYSCTL"
196 make $JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \
197 UNIVERSAL_SDK_PATH=$SDKROOT \
201 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
202 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
203 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" \
206 if [ $? != 0 ] ; then
207 echo "error: LLVM 'make' failed!"
211 ################################################################################
212 # Construct the actual destination root, by copying stuff from $DIR/dst-* to
213 # $DEST_DIR, with occasional 'lipo' commands.
215 cd $DEST_DIR || exit 1
217 # Clean out DEST_DIR in case -noclean was passed to buildit.
220 cd $DIR/obj-llvm || exit 1
222 # Install the tree into the destination directory.
223 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \
227 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
228 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
229 OPTIMIZE_OPTION='-O3' VERBOSE=1 install
231 if ! test $? == 0 ; then
232 echo "error: LLVM 'make install' failed!"
237 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'`
238 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then
241 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION`
242 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h
243 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h
245 if [ "x$LLVM_DEBUG" != "x1" ]; then
246 # Strip local symbols from llvm libraries.
247 strip -S $DEST_DIR$DEST_ROOT/lib/*.[oa]
248 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do
253 # Copy over the tblgen utility.
254 cp `find $DIR -name tblgen` $DT_HOME/local/bin
257 cd $DEST_DIR$DEST_ROOT
258 rm -f bin/.dir etc/llvm/.dir lib/.dir
260 # Remove PPC64 fat slices.
261 cd $DEST_DIR$DEST_ROOT/bin
262 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
263 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
264 -exec lipo -extract ppc -extract i386 {} -output {} \;
265 elif [ $MACOSX_DEPLOYMENT_TARGET = "10.5" ]; then
266 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
267 -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
269 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
270 -exec lipo -extract ppc7400 -extract i386 -extract x86_64 {} -output {} \;
273 # The Hello dylib is an example of how to build a pass. No need to install it.
274 rm $DEST_DIR$DEST_ROOT/lib/libLLVMHello.dylib
277 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1
280 ################################################################################
281 # Create SYM_DIR with information required for debugging.
283 # Figure out how many make processes to run.
284 SYSCTL=`sysctl -n hw.activecpu`
286 # hw.activecpu only available in 10.2.6 and later
287 if [ -z "$SYSCTL" ]; then
288 SYSCTL=`sysctl -n hw.ncpu`
291 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
292 # can default to 2, since even if they are single processor, nothing else is
293 # running on the machine.
294 if [ -z "$SYSCTL" ]; then
298 cd $SYM_DIR || exit 1
300 # Clean out SYM_DIR in case -noclean was passed to buildit.
303 # Generate .dSYM files
304 find $DEST_DIR -perm -0111 -type f \
305 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \
306 -print | xargs -n 1 -P ${SYSCTL} dsymutil
308 # Save .dSYM files and .a archives
309 cd $DEST_DIR || exit 1
310 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
311 | cpio -pdml $SYM_DIR || exit 1
314 mkdir $SYM_DIR/src || exit 1
316 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
317 | cpio -pdml $SYM_DIR/src || exit 1
319 ################################################################################
320 # Install and strip libLTO.dylib
322 cd $DEST_DIR$DEST_ROOT
323 if [ "$INSTALL_LIBLTO" = "yes" ]; then
324 mkdir -p $DT_HOME/lib
325 mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib
326 strip -S $DT_HOME/lib/libLTO.dylib
328 rm -f lib/libLTO.a lib/libLTO.la
330 ################################################################################
331 # Remove debugging information from DEST_DIR.
335 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
336 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
338 # Strip debugging information from files
339 find $DEST_DIR -perm -0111 -type f \
340 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \
341 -print | xargs -n 1 -P ${SYSCTL} strip -S
343 chgrp -h -R wheel $DEST_DIR
344 chgrp -R wheel $DEST_DIR
346 ################################################################################
347 # Remove tar ball from docs directory
349 find $DEST_DIR -name html.tar.gz -exec rm {} \;
351 ################################################################################
352 # symlinks so that B&I can find things
354 if [ "$INSTALL_LIBLTO" = "yes" ]; then
355 mkdir -p $DEST_DIR/usr/lib/
356 cd $DEST_DIR/usr/lib && \
357 ln -s ../../$DEVELOPER_DIR/usr/lib/libLTO.dylib ./libLTO.dylib
360 ################################################################################