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.
12 # FIXME: HOSTS is not used in this script. Use it or Remove it.
15 # The second parameter is a space-separated list of the architectures the
16 # compilers will generate code for. If the current machine isn't in the list, a
17 # compiler for it will get built anyway, but won't be installed.
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 nineth parameter is the version number of the submission, e.g. 1007.
46 LLVM_SUBMIT_VERSION="$9"
48 # The tenth parameter is the subversion number of the submission, e.g. 03.
49 LLVM_SUBMIT_SUBVERSION="${10}"
51 # The current working directory is where the build will happen. It may already
52 # contain a partial result of an interrupted build, in which case this script
53 # will continue where it left off.
56 DARWIN_VERS=`uname -r | sed 's/\..*//'`
57 echo DARWIN_VERS = $DARWIN_VERS
59 # If the user has CC set in their environment unset it now
62 DT_HOME=$DEST_DIR/Developer/usr
63 DEST_ROOT="/Developer$DEST_ROOT"
64 if [ "x$DEVELOPER_BIN" != "x" ]; then
65 DT_HOME=$DEST_DIR/$DEVELOPER_DIR/usr
66 DEST_ROOT="/$DEVELOPER_DIR$DEST_ROOT"
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
80 # Build the LLVM tree universal.
81 mkdir -p $DIR/obj-llvm || exit 1
82 cd $DIR/obj-llvm || exit 1
84 if [ \! -f Makefile.config ]; then
85 $SRC_DIR/llvm/configure --prefix=$DT_HOME/local \
86 --enable-targets=x86,powerpc,cbe \
87 --enable-assertions=$LLVM_ASSERTIONS \
88 --enable-optimized=$LLVM_OPTIMIZED \
92 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
93 LLVM_VERSION="$LLVM_SUBMIT_VERSION"
95 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
98 GCC_VER=`cc --version 2>/dev/null | sed 1q`
100 if echo "$GCC_VER" | grep GCC > /dev/null; then
101 GCC_VER=`echo $GCC_VER | sed -e 's/.*(GCC) \([0-9.][0-9.]*\).*/\1/'`
102 MAJ_VER=`echo $GCC_VER | sed 's/\..*//'`
103 MIN_VER=`echo $GCC_VER | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
108 # Note: If compiling with GCC 4.0, don't pass the -jN flag. Building universal
109 # already has parallelism and we don't want to make the builders hit swap by
110 # firing off too many gccs at the same time.
111 if [ "x$MAJ_VER" != "x4" -o "x$MIN_VER" != "x0" ]; then
112 # Figure out how many make processes to run.
113 SYSCTL=`sysctl -n hw.activecpu`
115 # hw.activecpu only available in 10.2.6 and later
116 if [ -z "$SYSCTL" ]; then
117 SYSCTL=`sysctl -n hw.ncpu`
120 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot.
121 # Builders can default to 2, since even if they are single processor,
122 # nothing else is running on the machine.
123 if [ -z "$SYSCTL" ]; then
127 JOBS_FLAG="-j $SYSCTL"
130 make $JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$TARGETS" \
131 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
132 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
133 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'"
135 if ! test $? == 0 ; then
136 echo "error: LLVM 'make' failed!"
140 ################################################################################
141 # Construct the actual destination root, by copying stuff from $DIR/dst-* to
142 # $DEST_DIR, with occasional 'lipo' commands.
144 cd $DEST_DIR || exit 1
146 # Clean out DEST_DIR in case -noclean was passed to buildit.
149 cd $DIR/obj-llvm || exit 1
151 # Install the tree into the destination directory.
152 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 OPTIMIZE_OPTION='-O2' install
154 if ! test $? == 0 ; then
155 echo "error: LLVM 'make install' failed!"
160 RC_ProjectSourceSubversion=`printf "%d" $LLVM_SUBMIT_SUBVERSION`
161 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h
162 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h
164 if [ "x$LLVM_DEBUG" != "x1" ]; then
165 # Strip local symbols from llvm libraries.
166 strip -S $DEST_DIR$DEST_ROOT/lib/*.[oa]
167 strip -Sx $DEST_DIR$DEST_ROOT/lib/*.so
171 cd $DEST_DIR$DEST_ROOT
172 rm bin/.dir etc/llvm/.dir lib/.dir
174 # Remove PPC64 fat slices.
175 cd $DEST_DIR$DEST_ROOT/bin
176 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
177 find . -perm 755 -type f -exec lipo -extract ppc -extract i386 {} -output {} \;
178 elif [ $MACOSX_DEPLOYMENT_TARGET = "10.5" ]; then
179 find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
181 find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 -extract x86_64 {} -output {} \;
184 cd $DEST_DIR$DEST_ROOT
185 mkdir -p $DT_HOME/lib
186 mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib
187 rm -f lib/libLTO.a lib/libLTO.la
189 ################################################################################
190 # Create SYM_DIR with information required for debugging.
192 # Figure out how many make processes to run.
193 SYSCTL=`sysctl -n hw.activecpu`
195 # hw.activecpu only available in 10.2.6 and later
196 if [ -z "$SYSCTL" ]; then
197 SYSCTL=`sysctl -n hw.ncpu`
200 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
201 # can default to 2, since even if they are single processor, nothing else is
202 # running on the machine.
203 if [ -z "$SYSCTL" ]; then
207 cd $SYM_DIR || exit 1
209 # Clean out SYM_DIR in case -noclean was passed to buildit.
212 # Generate .dSYM files
213 find $DEST_DIR -perm -0111 -type f ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) -print \
214 | xargs -n 1 -P ${SYSCTL} dsymutil
216 # Save .dSYM files and .a archives
217 cd $DEST_DIR || exit 1
218 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
219 | cpio -pdml $SYM_DIR || exit 1
222 mkdir $SYM_DIR/src || exit 1
224 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
225 | cpio -pdml $SYM_DIR/src || exit 1
227 ################################################################################
228 # Remove debugging information from DEST_DIR.
230 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
231 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
232 chgrp -h -R wheel $DEST_DIR
233 chgrp -R wheel $DEST_DIR
235 ################################################################################
236 # Remove tar ball from docs directory
238 find $DEST_DIR -name html.tar.gz -exec rm {} \;
240 ################################################################################