6 # -arch arguments are different than configure arguments. We need to
9 TRANSLATE_ARCH="sed -e s/ppc/powerpc/ -e s/i386/i686/"
11 # Build LLVM the "Apple way".
14 # The first parameter is a space-separated list of the architectures the
15 # compilers will run on. For instance, "ppc i386". If the current machine
16 # isn't in the list, it will (effectively) be added.
17 HOSTS=`echo $1 | $TRANSLATE_ARCH `
19 # The second parameter is a space-separated list of the architectures the
20 # compilers will generate code for. If the current machine isn't in the list, a
21 # compiler for it will get built anyway, but won't be installed.
22 TARGETS=`echo $2 | $TRANSLATE_ARCH`
24 # The third parameter is the path to the compiler sources. There should be a
25 # shell script named 'configure' in this directory. This script makes a copy...
28 # The fourth parameter is the location where the LLVM will be installed. You can
29 # move it once it's built, so this mostly controls the layout of $DEST_DIR.
32 # The fifth parameter is the place where the compiler will be copied once it's
36 # The sixth parameter is a directory in which to place information (like
37 # unstripped executables and generated source files) helpful in debugging the
41 # The seventh parameter is the version number of the submission, e.g. 1007.
42 LLVM_SUBMIT_VERSION="$7"
44 # The eighth parameter is the subversion number of the submission, e.g. 03.
45 LLVM_SUBMIT_SUBVERSION="$8"
47 # The nineth parameter is a yes/no that indicates whether assertions should be
48 # enabled in the LLVM libs/tools.
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 # The B&I build srcript (~rc/bin/buildit) accepts an '-othercflags' command-line
63 # flag, and captures the argument to that flag in $RC_NONARCH_CFLAGS (and
64 # mysteriously prepends '-pipe' thereto). We will allow this to override the
65 # default $CFLAGS and $CXXFLAGS.
67 if [ "x$LLVM_DEBUG" == "x" ]; then
68 CFLAGS="-g -O2 ${RC_NONARCH_CFLAGS/-pipe/}"
69 OPTIMIZE_OPTS="ENABLE_OPTIMIZED=1"
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
86 # Build the LLVM tree universal.
87 mkdir -p $DIR/obj-llvm || exit 1
88 cd $DIR/obj-llvm || exit 1
90 if [ \! -f Makefile.config ]; then
91 $SRC_DIR/llvm/configure --prefix=$DEST_DIR$DEST_ROOT \
92 --enable-targets=x86,powerpc --enable-assertions=$LLVM_ASSERTIONS \
96 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
97 LLVM_VERSION="$LLVM_SUBMIT_VERSION"
99 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
102 # Note: Don't pass -jN here. Building universal already has parallelism and we
103 # don't want to make the builders hit swap by firing off too many gcc's at the
105 make $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$LLVM_ARCHS" \
106 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'"
108 if ! test $? == 0 ; then
109 echo "error: LLVM 'make' failed!"
113 # Figure out how many make processes to run.
114 SYSCTL=`sysctl -n hw.activecpu`
116 # hw.activecpu only available in 10.2.6 and later
117 if [ -z "$SYSCTL" ]; then
118 SYSCTL=`sysctl -n hw.ncpu`
121 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
122 # can default to 2, since even if they are single processor, nothing else is
123 # running on the machine.
124 if [ -z "$SYSCTL" ]; then
128 ################################################################################
129 # Construct the actual destination root, by copying stuff from $DIR/dst-* to
130 # $DEST_DIR, with occasional 'lipo' commands.
132 cd $DEST_DIR || exit 1
134 # Clean out DEST_DIR in case -noclean was passed to buildit.
137 cd $DIR/obj-llvm || exit 1
139 # Install the tree into the destination directory.
140 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 OPTIMIZE_OPTION='-O2' install
142 if ! test $? == 0 ; then
143 echo "error: LLVM 'make install' failed!"
148 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
149 RC_ProjectSourceSubversion=0
151 case "$LLVM_SUBMIT_SUBVERSION" in
152 01) RC_ProjectSourceSubversion=1 ;;
153 02) RC_ProjectSourceSubversion=2 ;;
154 03) RC_ProjectSourceSubversion=3 ;;
155 04) RC_ProjectSourceSubversion=4 ;;
156 05) RC_ProjectSourceSubversion=5 ;;
157 06) RC_ProjectSourceSubversion=6 ;;
158 07) RC_ProjectSourceSubversion=7 ;;
159 08) RC_ProjectSourceSubversion=8 ;;
160 09) RC_ProjectSourceSubversion=9 ;;
161 *) RC_ProjectSourceSubversion=$LLVM_SUBMIT_SUBVERSION ;;
165 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h
166 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h
168 # Strip local symbols from llvm libraries.
169 strip -S $DEST_DIR$DEST_ROOT/lib/*.[oa]
170 strip -Sx $DEST_DIR$DEST_ROOT/lib/*.so
173 cd $DEST_DIR$DEST_ROOT
174 rm bin/.dir etc/llvm/.dir lib/.dir
176 # Remove PPC64 fat slices.
177 cd $DEST_DIR$DEST_ROOT/bin
179 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
180 find . -perm 755 -type f -exec lipo -extract ppc -extract i386 {} -output {} \;
182 find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
185 cd $DEST_DIR$DEST_ROOT
186 lipo -extract ppc -extract i386 lib/LLVMlto.0.0.0.so -output lib/LLVMlto.0.0.0.so
188 ################################################################################
189 # Create SYM_DIR with information required for debugging.
191 cd $SYM_DIR || exit 1
193 # Clean out SYM_DIR in case -noclean was passed to buildit.
196 # Generate .dSYM files
197 find $DEST_DIR -perm -0111 -type f -print | xargs -n 1 -P ${SYSCTL} dsymutil
199 # Save .dSYM files and .a archives
200 cd $DEST_DIR || exit 1
201 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
202 | cpio -pdml $SYM_DIR || exit 1
205 mkdir $SYM_DIR/src || exit 1
207 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
208 | cpio -pdml $SYM_DIR/src || exit 1
210 ################################################################################
211 # Remove debugging information from DEST_DIR.
213 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
214 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
215 chgrp -h -R wheel $DEST_DIR
216 chgrp -R wheel $DEST_DIR
218 ################################################################################