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 the version number of the submission, e.g. 1007.
38 LLVM_SUBMIT_VERSION="$7"
40 # The eighth parameter is the subversion number of the submission, e.g. 03.
41 LLVM_SUBMIT_SUBVERSION="$8"
43 # The nineth parameter is a yes/no that indicates whether assertions should be
44 # enabled in the LLVM libs/tools.
47 # The current working directory is where the build will happen. It may already
48 # contain a partial result of an interrupted build, in which case this script
49 # will continue where it left off.
52 DARWIN_VERS=`uname -r | sed 's/\..*//'`
53 echo DARWIN_VERS = $DARWIN_VERS
55 # If the user has CC set in their environment unset it now
58 # The B&I build srcript (~rc/bin/buildit) accepts an '-othercflags' command-line
59 # flag, and captures the argument to that flag in $RC_NONARCH_CFLAGS (and
60 # mysteriously prepends '-pipe' thereto). We will allow this to override the
61 # default $CFLAGS and $CXXFLAGS.
63 if [ "x$LLVM_DEBUG" == "x" ]; then
64 CFLAGS="-g -O2 ${RC_NONARCH_CFLAGS/-pipe/}"
65 OPTIMIZE_OPTS="ENABLE_OPTIMIZED=1"
71 ################################################################################
74 # Create the source tree we'll actually use to build, deleting
75 # tcl since it doesn't actually build properly in a cross environment
76 # and we don't really need it.
78 rm -rf $SRC_DIR || exit 1
79 mkdir $SRC_DIR || exit 1
80 ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1
82 # Build the LLVM tree universal.
83 mkdir -p $DIR/obj-llvm || exit 1
84 cd $DIR/obj-llvm || exit 1
86 if [ \! -f Makefile.config ]; then
87 $SRC_DIR/llvm/configure --prefix=$DEST_DIR$DEST_ROOT \
88 --enable-targets=x86,powerpc --enable-assertions=$LLVM_ASSERTIONS \
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 # Note: Don't pass -jN here. Building universal already has parallelism and we
99 # don't want to make the builders hit swap by firing off too many gcc's at the
101 make $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$TARGETS" \
102 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'"
104 if ! test $? == 0 ; then
105 echo "error: LLVM 'make' failed!"
109 # Figure out how many make processes to run.
110 SYSCTL=`sysctl -n hw.activecpu`
112 # hw.activecpu only available in 10.2.6 and later
113 if [ -z "$SYSCTL" ]; then
114 SYSCTL=`sysctl -n hw.ncpu`
117 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
118 # can default to 2, since even if they are single processor, nothing else is
119 # running on the machine.
120 if [ -z "$SYSCTL" ]; then
124 ################################################################################
125 # Construct the actual destination root, by copying stuff from $DIR/dst-* to
126 # $DEST_DIR, with occasional 'lipo' commands.
128 cd $DEST_DIR || exit 1
130 # Clean out DEST_DIR in case -noclean was passed to buildit.
133 cd $DIR/obj-llvm || exit 1
135 # Install the tree into the destination directory.
136 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 OPTIMIZE_OPTION='-O2' install
138 if ! test $? == 0 ; then
139 echo "error: LLVM 'make install' failed!"
144 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
145 RC_ProjectSourceSubversion=0
147 case "$LLVM_SUBMIT_SUBVERSION" in
148 01) RC_ProjectSourceSubversion=1 ;;
149 02) RC_ProjectSourceSubversion=2 ;;
150 03) RC_ProjectSourceSubversion=3 ;;
151 04) RC_ProjectSourceSubversion=4 ;;
152 05) RC_ProjectSourceSubversion=5 ;;
153 06) RC_ProjectSourceSubversion=6 ;;
154 07) RC_ProjectSourceSubversion=7 ;;
155 08) RC_ProjectSourceSubversion=8 ;;
156 09) RC_ProjectSourceSubversion=9 ;;
157 *) RC_ProjectSourceSubversion=$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 # Strip local symbols from llvm libraries.
165 strip -S $DEST_DIR$DEST_ROOT/lib/*.[oa]
166 strip -Sx $DEST_DIR$DEST_ROOT/lib/*.so
169 cd $DEST_DIR$DEST_ROOT
170 rm bin/.dir etc/llvm/.dir lib/.dir
172 # Remove PPC64 fat slices.
173 cd $DEST_DIR$DEST_ROOT/bin
175 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
176 find . -perm 755 -type f -exec lipo -extract ppc -extract i386 {} -output {} \;
178 find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
181 cd $DEST_DIR$DEST_ROOT
182 lipo -extract ppc -extract i386 lib/LLVMlto.0.0.0.so -output lib/LLVMlto.0.0.0.so
184 ################################################################################
185 # Create SYM_DIR with information required for debugging.
187 cd $SYM_DIR || exit 1
189 # Clean out SYM_DIR in case -noclean was passed to buildit.
192 # Generate .dSYM files
193 find $DEST_DIR -perm -0111 -type f -print | xargs -n 1 -P ${SYSCTL} dsymutil
195 # Save .dSYM files and .a archives
196 cd $DEST_DIR || exit 1
197 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
198 | cpio -pdml $SYM_DIR || exit 1
201 mkdir $SYM_DIR/src || exit 1
203 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
204 | cpio -pdml $SYM_DIR/src || exit 1
206 ################################################################################
207 # Remove debugging information from DEST_DIR.
209 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
210 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
211 chgrp -h -R wheel $DEST_DIR
212 chgrp -R wheel $DEST_DIR
214 ################################################################################