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 if [ "x$DEVELOPER_BIN" != "x" ]; then
64 DT_HOME=$DEST_DIR/$DEVELOPER_DIR/usr
67 ################################################################################
70 # Create the source tree we'll actually use to build, deleting
71 # tcl since it doesn't actually build properly in a cross environment
72 # and we don't really need it.
74 rm -rf $SRC_DIR || exit 1
75 mkdir $SRC_DIR || exit 1
76 ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1
78 # Build the LLVM tree universal.
79 mkdir -p $DIR/obj-llvm || exit 1
80 cd $DIR/obj-llvm || exit 1
82 if [ \! -f Makefile.config ]; then
83 $SRC_DIR/llvm/configure --prefix=$DT_HOME/local \
84 --enable-targets=x86,powerpc,cbe \
85 --enable-assertions=$LLVM_ASSERTIONS \
86 --enable-optimized=$LLVM_OPTIMIZED \
90 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
91 LLVM_VERSION="$LLVM_SUBMIT_VERSION"
93 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
96 # Note: Don't pass -jN here. Building universal already has parallelism and we
97 # don't want to make the builders hit swap by firing off too many gcc's at the
99 make $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$TARGETS" \
100 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
101 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
102 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'"
104 if ! test $? == 0 ; then
105 echo "error: LLVM 'make' failed!"
109 ################################################################################
110 # Construct the actual destination root, by copying stuff from $DIR/dst-* to
111 # $DEST_DIR, with occasional 'lipo' commands.
113 cd $DEST_DIR || exit 1
115 # Clean out DEST_DIR in case -noclean was passed to buildit.
118 cd $DIR/obj-llvm || exit 1
120 # Install the tree into the destination directory.
121 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 OPTIMIZE_OPTION='-O2' install
123 if ! test $? == 0 ; then
124 echo "error: LLVM 'make install' failed!"
129 RC_ProjectSourceSubversion=`printf "%d" $LLVM_SUBMIT_SUBVERSION`
130 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h
131 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h
133 if [ "x$LLVM_DEBUG" != "x1" ]; then
134 # Strip local symbols from llvm libraries.
135 strip -S $DEST_DIR$DEST_ROOT/lib/*.[oa]
136 strip -Sx $DEST_DIR$DEST_ROOT/lib/*.so
140 cd $DEST_DIR$DEST_ROOT
141 rm bin/.dir etc/llvm/.dir lib/.dir
143 # Remove PPC64 fat slices.
144 cd $DEST_DIR$DEST_ROOT/bin
146 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
147 find . -perm 755 -type f -exec lipo -extract ppc -extract i386 {} -output {} \;
149 find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
152 cd $DEST_DIR$DEST_ROOT
154 mkdir -p $DT_HOME/lib
155 mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib
156 rm -f lib/libLTO.a lib/libLTO.la
160 ################################################################################
161 # Create SYM_DIR with information required for debugging.
163 # Figure out how many make processes to run.
164 SYSCTL=`sysctl -n hw.activecpu`
166 # hw.activecpu only available in 10.2.6 and later
167 if [ -z "$SYSCTL" ]; then
168 SYSCTL=`sysctl -n hw.ncpu`
171 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
172 # can default to 2, since even if they are single processor, nothing else is
173 # running on the machine.
174 if [ -z "$SYSCTL" ]; then
178 cd $SYM_DIR || exit 1
180 # Clean out SYM_DIR in case -noclean was passed to buildit.
183 # Generate .dSYM files
184 find $DEST_DIR -perm -0111 -type f ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) -print \
185 | xargs -n 1 -P ${SYSCTL} dsymutil
187 # Save .dSYM files and .a archives
188 cd $DEST_DIR || exit 1
189 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
190 | cpio -pdml $SYM_DIR || exit 1
193 mkdir $SYM_DIR/src || exit 1
195 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
196 | cpio -pdml $SYM_DIR/src || exit 1
198 ################################################################################
199 # Remove debugging information from DEST_DIR.
201 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
202 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
203 chgrp -h -R wheel $DEST_DIR
204 chgrp -R wheel $DEST_DIR
206 ################################################################################