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.
91 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}
95 T=`xcrun -sdk $SDKROOT -find ${prog}`
96 echo '#!/bin/sh' > $P || exit 1
97 echo 'exec '$T' "$@"' >> $P || exit 1
98 chmod a+x $P || exit 1
100 # Set up the links for clang.
101 for prog in clang clang++ ; do
102 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog}
103 T=`xcrun -sdk $SDKROOT -find ${prog}`
104 echo '#!/bin/sh' > $P || exit 1
105 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1
106 chmod a+x $P || exit 1
112 if [ "$ARM_HOSTED_BUILD" = yes ]; then
113 configure_opts="--enable-targets=arm --host=arm-apple-darwin10 \
114 --target=arm-apple-darwin10 --build=i686-apple-darwin10"
115 elif [ "$IOS_SIM_BUILD" = yes ]; then
116 # Use a non-standard "darwin_sim" host triple to trigger a cross-build.
117 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \
118 --build=i686-apple-darwin10"
120 configure_opts="--enable-targets=arm,x86,cbe"
123 if [ \! -f Makefile.config ]; then
124 $SRC_DIR/configure --prefix=$DEST_DIR$DEST_ROOT $configure_opts \
125 --enable-assertions=$LLVM_ASSERTIONS \
126 --enable-optimized=$LLVM_OPTIMIZED \
131 SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/[^.]*\.\([0-9]*\).*/\1/'`
133 if [ "x$SUBVERSION" != "x$RC_ProjectSourceVersion" ]; then
134 LLVM_SUBMIT_SUBVERSION=`printf "%02d" $SUBVERSION`
135 RC_ProjectSourceVersion=`echo $RC_ProjectSourceVersion | sed -e 's/\..*//'`
136 LLVM_SUBMIT_VERSION=$RC_ProjectSourceVersion
139 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
140 LLVM_VERSION="$LLVM_SUBMIT_VERSION"
142 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
145 GCC_VER=`cc --version 2>/dev/null | sed 1q`
147 if echo "$GCC_VER" | grep GCC > /dev/null; then
148 GCC_VER=`echo $GCC_VER | sed -e 's/.*(GCC) \([0-9.][0-9.]*\).*/\1/'`
149 MAJ_VER=`echo $GCC_VER | sed 's/\..*//'`
150 MIN_VER=`echo $GCC_VER | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
155 # Note: If compiling with GCC 4.0, don't pass the -jN flag. Building universal
156 # already has parallelism and we don't want to make the builders hit swap by
157 # firing off too many gccs at the same time.
158 if [ "x$MAJ_VER" != "x4" -o "x$MIN_VER" != "x0" ]; then
159 # Figure out how many make processes to run.
160 SYSCTL=`sysctl -n hw.activecpu`
162 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot.
163 # Builders can default to 2, since even if they are single processor,
164 # nothing else is running on the machine.
165 if [ -z "$SYSCTL" ]; then
169 JOBS_FLAG="-j $SYSCTL"
172 make $JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \
173 UNIVERSAL_SDK_PATH=$SDKROOT \
177 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
178 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
179 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" \
182 if [ $? != 0 ] ; then
183 echo "error: LLVM 'make' failed!"
187 ################################################################################
188 # Construct the actual destination root, by copying stuff from $DIR/dst-* to
189 # $DEST_DIR, with occasional 'lipo' commands.
191 cd $DEST_DIR || exit 1
193 # Clean out DEST_DIR in case -noclean was passed to buildit.
196 cd $DIR/obj-llvm || exit 1
198 # Install the tree into the destination directory.
199 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \
203 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
204 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
205 OPTIMIZE_OPTION='-O3' VERBOSE=1 install
207 if ! test $? == 0 ; then
208 echo "error: LLVM 'make install' failed!"
213 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'`
214 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then
217 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION`
218 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h
219 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h
221 if [ "x$LLVM_DEBUG" != "x1" ]; then
222 # Strip local symbols from llvm libraries.
224 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
226 strip -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa]
227 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do
232 # Copy over the tblgen utility.
233 cp `find $DIR -name tblgen` $DEST_DIR$DEST_ROOT/bin
236 cd $DEST_DIR$DEST_ROOT
237 rm -f bin/.dir etc/llvm/.dir lib/.dir
239 # Remove PPC64 fat slices.
240 cd $DEST_DIR$DEST_ROOT/bin
241 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
242 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
243 -exec lipo -extract ppc -extract i386 {} -output {} \;
244 elif [ $MACOSX_DEPLOYMENT_TARGET = "10.5" ]; then
245 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
246 -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
248 find . -perm 755 -type f \! \( -name '*gccas' -o -name '*gccld' -o -name llvm-config \) \
249 -exec lipo -extract i386 -extract x86_64 {} -output {} \;
252 # The Hello dylib is an example of how to build a pass.
253 # The BugpointPasses module is only used to test bugpoint.
254 # These unversioned dylibs cause verification failures, so do not install them.
255 # (The wildcards are used to match a "lib" prefix if it is present.)
256 rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib
257 rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib
260 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1
263 ################################################################################
264 # Create SYM_DIR with information required for debugging.
266 # Figure out how many make processes to run.
267 SYSCTL=`sysctl -n hw.activecpu`
269 # hw.activecpu only available in 10.2.6 and later
270 if [ -z "$SYSCTL" ]; then
271 SYSCTL=`sysctl -n hw.ncpu`
274 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
275 # can default to 2, since even if they are single processor, nothing else is
276 # running on the machine.
277 if [ -z "$SYSCTL" ]; then
281 cd $SYM_DIR || exit 1
283 # Clean out SYM_DIR in case -noclean was passed to buildit.
286 # Generate .dSYM files
287 find $DEST_DIR -perm -0111 -type f \
288 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \
289 -print | xargs -n 1 -P ${SYSCTL} dsymutil
291 # Save .dSYM files and .a archives
292 cd $DEST_DIR || exit 1
293 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
294 | cpio -pdml $SYM_DIR || exit 1
297 mkdir $SYM_DIR/src || exit 1
299 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
300 | cpio -pdml $SYM_DIR/src || exit 1
302 ################################################################################
303 # Install and strip libLTO.dylib
305 cd $DEST_DIR$DEST_ROOT
306 if [ "$INSTALL_LIBLTO" = "yes" ]; then
307 DT_HOME="$DEST_DIR/Developer/usr"
308 mkdir -p $DT_HOME/lib
309 mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib
311 # Save a copy of the unstripped dylib
312 mkdir -p $SYM_DIR/Developer/usr/lib
313 cp $DT_HOME/lib/libLTO.dylib $SYM_DIR/Developer/usr/lib/libLTO.dylib
315 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
317 strip -arch all -Sl $DT_HOME/lib/libLTO.dylib
319 if [ "x$DISABLE_USR_LINKS" == "x" ]; then
320 # Add a symlink in /usr/lib for B&I.
321 mkdir -p $DEST_DIR/usr/lib/
322 (cd $DEST_DIR/usr/lib && \
323 ln -s ../../Developer/usr/lib/libLTO.dylib ./libLTO.dylib)
326 rm -f lib/libLTO.dylib
328 rm -f lib/libLTO.a lib/libLTO.la
330 # Omit lto.h from the result. Clang will supply.
331 find $DEST_DIR$DEST_ROOT -name lto.h -delete
333 ################################################################################
334 # Remove debugging information from DEST_DIR.
338 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
339 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
341 # Strip debugging information from files
343 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
345 find $DEST_DIR -perm -0111 -type f \
346 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \
347 -print | xargs -n 1 -P ${SYSCTL} strip -arch all -Sl
349 chgrp -h -R wheel $DEST_DIR
350 chgrp -R wheel $DEST_DIR
352 ################################################################################
353 # Remove the docs directory
355 rm -rf $DEST_DIR$DEST_ROOT/docs
357 ################################################################################