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 $DEST_DIR.
28 # The fifth parameter is the place where the compiler will be copied once it's
32 # The sixth parameter is a directory in which to place information (like
33 # unstripped executables and generated source files) helpful in debugging the
37 # The seventh parameter is a yes/no that indicates whether assertions should be
38 # enabled in the LLVM libs/tools.
41 # The eighth parameter is a yes/no that indicates whether this is an optimized
45 # A yes/no parameter that controls whether to cross-build for an ARM host.
48 # A yes/no parameter that controls whether to cross-build for the iOS simulator
51 # The version number of the submission, e.g. 1007.
52 LLVM_SUBMIT_VERSION="${11}"
54 # The subversion number of the submission, e.g. 03.
55 LLVM_SUBMIT_SUBVERSION="${12}"
57 # The current working directory is where the build will happen. It may already
58 # contain a partial result of an interrupted build, in which case this script
59 # will continue where it left off.
62 DARWIN_VERS=`uname -r | sed 's/\..*//'`
63 echo DARWIN_VERS = $DARWIN_VERS
65 ################################################################################
68 # Create the source tree we'll actually use to build, deleting
69 # tcl since it doesn't actually build properly in a cross environment
70 # and we don't really need it.
72 rm -rf $SRC_DIR || exit 1
73 mkdir $SRC_DIR || exit 1
74 ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1
75 # We can't use the top-level Makefile as-is. Remove the soft link:
76 rm $SRC_DIR/Makefile || exit 1
77 # Now create our own by editing the top-level Makefile, deleting every line marked "Apple-style":
78 sed -e '/[Aa]pple-style/d' -e '/include.*GNUmakefile/d' $ORIG_SRC_DIR/Makefile > $SRC_DIR/Makefile || exit 1
80 SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/.*\.\([0-9]*\).*/\1/'`
81 if [ "x$SUBVERSION" != "x$RC_ProjectSourceVersion" ]; then
82 LLVM_SUBMIT_SUBVERSION=`printf "%02d" $SUBVERSION`
83 RC_ProjectSourceVersion=`echo $RC_ProjectSourceVersion | sed -e 's/\..*//'`
84 LLVM_SUBMIT_VERSION=$RC_ProjectSourceVersion
86 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
87 LLVM_VERSION="$LLVM_SUBMIT_VERSION"
89 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
91 LLVM_VERSION_INFO="'\" Apple Build #$LLVM_VERSION\"'"
93 # Figure out how many make processes to run.
94 SYSCTL=`sysctl -n hw.activecpu`
95 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot.
96 # Builders can default to 2, since even if they are single processor,
97 # nothing else is running on the machine.
98 if [ -z "$SYSCTL" ]; then
101 JOBS_FLAG="-j $SYSCTL"
103 COMMON_CONFIGURE_OPTS="\
104 --prefix=$DEST_DIR$DEST_ROOT \
105 --enable-assertions=$LLVM_ASSERTIONS \
106 --enable-optimized=$LLVM_OPTIMIZED \
109 COMMON_MAKEFLAGS=$JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" UNIVERSAL_SDK_PATH=$SDKROOT NO_RUNTIME_LIBS=1 DISABLE_EDIS=1 REQUIRES_RTTI=1 DEBUG_SYMBOLS=1 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION CXXFLAGS=-DLLVM_VERSION_INFO="$LLVM_VERSION_INFO" VERBOSE=1
111 # Build the LLVM tree universal.
112 mkdir -p $DIR/obj-llvm || exit 1
113 cd $DIR/obj-llvm || exit 1
115 if [ "$ARM_HOSTED_BUILD" = yes ]; then
116 # The cross-tools' build process expects to find an existing cross toolchain
117 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them.
118 rm -rf $DIR/bin || exit 1
119 mkdir $DIR/bin || exit 1
120 for prog in ar nm ranlib strip lipo ld as ; do
121 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog}
122 T=`xcrun -sdk $SDKROOT -find ${prog}`
123 ln -s $T $DIR/bin/$prog
124 echo '#!/bin/sh' > $P || exit 1
125 echo 'exec '$T' "$@"' >> $P || exit 1
126 chmod a+x $P || exit 1
128 # Set up the links for clang.
129 for prog in clang clang++ ; do
130 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog}
131 T=`xcrun -sdk $SDKROOT -find ${prog}`
132 ln -s $T $DIR/bin/$prog
133 echo '#!/bin/sh' > $P || exit 1
134 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1
135 chmod a+x $P || exit 1
141 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS \
142 --enable-targets=arm \
143 --host=arm-apple-darwin10 \
144 --target=arm-apple-darwin10 \
145 --build=i686-apple-darwin10 \
146 --program-prefix="" \
149 make $COMMON_MAKEFLAGS SDKROOT=
150 if [ $? != 0 ] ; then
151 echo "error: LLVM 'make' failed!"
156 # not $ARM_HOSTED_BUILD
158 if [ "$IOS_SIM_BUILD" = yes ]; then
159 # Use a non-standard "darwin_sim" host triple to trigger a cross-build.
160 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \
161 --build=i686-apple-darwin10"
163 configure_opts="--enable-targets=arm,x86"
166 if [ $SDKROOT ]; then
167 CPPFLAGS="$CPPFLAGS -isysroot $SDKROOT"
169 for host in $HOSTS; do :; done
170 CPPFLAGS="$CPPFLAGS -arch $host"
172 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS $configure_opts \
173 --program-prefix="" \
174 CPPFLAGS="$CPPFLAGS" \
177 make $COMMON_MAKEFLAGS
178 if [ $? != 0 ] ; then
179 echo "error: LLVM 'make' failed!"
184 ################################################################################
185 # Construct the actual destination root, by copying stuff from $DIR/dst-* to
186 # $DEST_DIR, with occasional 'lipo' commands.
188 cd $DEST_DIR || exit 1
190 # Clean out DEST_DIR in case -noclean was passed to buildit.
193 cd $DIR/obj-llvm || exit 1
195 # Install the tree into the destination directory.
196 make $COMMON_MAKEFLAGS install
197 if ! test $? == 0 ; then
198 echo "error: LLVM 'make install' failed!"
203 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'`
204 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then
207 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION`
208 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h
209 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h
211 # Find the right version of strip to use.
213 if [ -n "$SDKROOT" ]; then
214 STRIP=`xcrun -sdk $SDKROOT -find strip`
217 if [ "x$LLVM_DEBUG" != "x1" ]; then
218 # Strip local symbols from llvm libraries.
220 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
222 $STRIP -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa]
223 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do
229 cd $DEST_DIR$DEST_ROOT
230 rm -f bin/.dir etc/llvm/.dir lib/.dir
232 # The Hello dylib is an example of how to build a pass.
233 # The BugpointPasses module is only used to test bugpoint.
234 # These unversioned dylibs cause verification failures, so do not install them.
235 # (The wildcards are used to match a "lib" prefix if it is present.)
236 rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib
237 rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib
240 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1
243 ################################################################################
244 # Create SYM_DIR with information required for debugging.
246 # Figure out how many make processes to run.
247 SYSCTL=`sysctl -n hw.activecpu`
249 # hw.activecpu only available in 10.2.6 and later
250 if [ -z "$SYSCTL" ]; then
251 SYSCTL=`sysctl -n hw.ncpu`
254 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders
255 # can default to 2, since even if they are single processor, nothing else is
256 # running on the machine.
257 if [ -z "$SYSCTL" ]; then
261 cd $SYM_DIR || exit 1
263 # Clean out SYM_DIR in case -noclean was passed to buildit.
266 # Generate .dSYM files
267 DSYMUTIL=`xcrun -find dsymutil`
268 find $DEST_DIR -perm -0111 -type f \
269 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \
270 -print | xargs -n 1 -P ${SYSCTL} ${DSYMUTIL}
272 # Save .dSYM files and .a archives
273 cd $DEST_DIR || exit 1
274 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
275 | cpio -pdml $SYM_DIR || exit 1
278 mkdir $SYM_DIR/src || exit 1
280 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \
281 | cpio -pdml $SYM_DIR/src || exit 1
283 ################################################################################
284 # Remove libLTO.dylib and lto.h. Those are installed by clang.
286 cd $DEST_DIR$DEST_ROOT
287 rm -f lib/libLTO.dylib
288 rm -f lib/libLTO.a lib/libLTO.la
289 find $DEST_DIR$DEST_ROOT -name lto.h -delete
291 ################################################################################
292 # Remove debugging information from DEST_DIR.
296 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
297 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
299 # Strip debugging information from files
301 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or
303 find $DEST_DIR -perm -0111 -type f \
304 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \
305 -print | xargs -n 1 -P ${SYSCTL} $STRIP -arch all -Sl
307 chgrp -h -R wheel $DEST_DIR
308 chgrp -R wheel $DEST_DIR
310 ################################################################################
311 # Remove the docs directory
313 rm -rf $DEST_DIR$DEST_ROOT/docs
315 ################################################################################