1 #!/bin/sh 2 # LLVM LOCAL file B&I 3 4 set -x 5 6 # Build LLVM the "Apple way". 7 # Parameters: 8 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 HOSTS="$1" 13 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. 18 TARGETS="$2" 19 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... 22 ORIG_SRC_DIR="$3" 23 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. 26 DEST_ROOT="$4" 27 28 # The fifth parameter is the place where the compiler will be copied once it's 29 # built. 30 DEST_DIR="$5" 31 32 # The sixth parameter is a directory in which to place information (like 33 # unstripped executables and generated source files) helpful in debugging the 34 # resulting compiler. 35 SYM_DIR="$6" 36 37 # The seventh parameter is a yes/no that indicates whether assertions should be 38 # enabled in the LLVM libs/tools. 39 LLVM_ASSERTIONS="$7" 40 41 # The eighth parameter is a yes/no that indicates whether this is an optimized 42 # build. 43 LLVM_OPTIMIZED="$8" 44 45 # A yes/no parameter that controls whether to cross-build for an ARM host. 46 ARM_HOSTED_BUILD="$9" 47 48 # A yes/no parameter that controls whether to cross-build for the iOS simulator 49 IOS_SIM_BUILD="${10}" 50 51 # The version number of the submission, e.g. 1007. 52 LLVM_SUBMIT_VERSION="${11}" 53 54 # The subversion number of the submission, e.g. 03. 55 LLVM_SUBMIT_SUBVERSION="${12}" 56 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. 60 DIR=`pwd` 61 62 DARWIN_VERS=`uname -r | sed 's/\..*//'` 63 echo DARWIN_VERS = $DARWIN_VERS 64 65 ################################################################################ 66 # Run the build. 67 68 # Create the source tree we'll actually use to build, deleting 69 # tcl since it doesn't actually build properly in a cross environment 70 # and we don't really need it. 71 SRC_DIR=$DIR/src 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 79 80 # Build the LLVM tree universal. 81 mkdir -p $DIR/obj-llvm || exit 1 82 cd $DIR/obj-llvm || exit 1 83 84 if [ "$ARM_HOSTED_BUILD" = yes ]; then 85 # The cross-tools' build process expects to find an existing cross toolchain 86 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them. 87 rm -rf $DIR/bin || exit 1 88 mkdir $DIR/bin || exit 1 89 for prog in ar nm ranlib strip lipo ld as ; do 90 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 91 T=`xcrun -sdk $SDKROOT -find ${prog}` 92 echo '#!/bin/sh' > $P || exit 1 93 echo 'exec '$T' "$@"' >> $P || exit 1 94 chmod a+x $P || exit 1 95 done 96 # Set up the links for clang. 97 for prog in clang clang++ ; do 98 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 99 T=`xcrun -sdk $SDKROOT -find ${prog}` 100 echo '#!/bin/sh' > $P || exit 1 101 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1 102 chmod a+x $P || exit 1 103 done 104 105 PATH=$DIR/bin:$PATH 106 fi 107 108 if [ "$ARM_HOSTED_BUILD" = yes ]; then 109 configure_opts="--enable-targets=arm --host=arm-apple-darwin10 \ 110 --target=arm-apple-darwin10 --build=i686-apple-darwin10" 111 elif [ "$IOS_SIM_BUILD" = yes ]; then 112 # Use a non-standard "darwin_sim" host triple to trigger a cross-build. 113 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \ 114 --build=i686-apple-darwin10" 115 else 116 configure_opts="--enable-targets=arm,x86" 117 fi 118 119 if [ "$ARM_HOSTED_BUILD" != yes ]; then 120 if [ $SDKROOT ]; then 121 CPPFLAGS="$CPPFLAGS -isysroot $SDKROOT" 122 fi 123 for host in $HOSTS; do :; done 124 CPPFLAGS="$CPPFLAGS -arch $host" 125 fi 126 127 if [ \! -f Makefile.config ]; then 128 $SRC_DIR/configure --prefix=$DEST_DIR$DEST_ROOT $configure_opts \ 129 --enable-assertions=$LLVM_ASSERTIONS \ 130 --enable-optimized=$LLVM_OPTIMIZED \ 131 --disable-bindings \ 132 CPPFLAGS="$CPPFLAGS" \ 133 || exit 1 134 fi 135 136 SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/[^.]*\.\([0-9]*\).*/\1/'` 137 138 if [ "x$SUBVERSION" != "x$RC_ProjectSourceVersion" ]; then 139 LLVM_SUBMIT_SUBVERSION=`printf "%02d" $SUBVERSION` 140 RC_ProjectSourceVersion=`echo $RC_ProjectSourceVersion | sed -e 's/\..*//'` 141 LLVM_SUBMIT_VERSION=$RC_ProjectSourceVersion 142 fi 143 144 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then 145 LLVM_VERSION="$LLVM_SUBMIT_VERSION" 146 else 147 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION" 148 fi 149 150 # Figure out how many make processes to run. 151 SYSCTL=`sysctl -n hw.activecpu` 152 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. 153 # Builders can default to 2, since even if they are single processor, 154 # nothing else is running on the machine. 155 if [ -z "$SYSCTL" ]; then 156 SYSCTL=2 157 fi 158 JOBS_FLAG="-j $SYSCTL" 159 160 make $JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \ 161 UNIVERSAL_SDK_PATH=$SDKROOT \ 162 NO_RUNTIME_LIBS=1 \ 163 DISABLE_EDIS=1 \ 164 REQUIRES_RTTI=1 \ 165 DEBUG_SYMBOLS=1 \ 166 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 167 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 168 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" \ 169 VERBOSE=1 170 171 if [ $? != 0 ] ; then 172 echo "error: LLVM 'make' failed!" 173 exit 1 174 fi 175 176 ################################################################################ 177 # Construct the actual destination root, by copying stuff from $DIR/dst-* to 178 # $DEST_DIR, with occasional 'lipo' commands. 179 180 cd $DEST_DIR || exit 1 181 182 # Clean out DEST_DIR in case -noclean was passed to buildit. 183 rm -rf * || exit 1 184 185 cd $DIR/obj-llvm || exit 1 186 187 # Install the tree into the destination directory. 188 make $LOCAL_MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$HOSTS" \ 189 NO_RUNTIME_LIBS=1 \ 190 DISABLE_EDIS=1 \ 191 DEBUG_SYMBOLS=1 \ 192 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 193 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 194 OPTIMIZE_OPTION='-O3' VERBOSE=1 install 195 196 if ! test $? == 0 ; then 197 echo "error: LLVM 'make install' failed!" 198 exit 1 199 fi 200 201 # Install Version.h 202 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'` 203 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then 204 LLVM_MINOR_VERSION=0 205 fi 206 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION` 207 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h 208 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h 209 210 # Find the right version of strip to use. 211 STRIP=strip 212 if [ -n "$SDKROOT" ]; then 213 STRIP=`xcrun -sdk $SDKROOT -find strip` 214 fi 215 216 if [ "x$LLVM_DEBUG" != "x1" ]; then 217 # Strip local symbols from llvm libraries. 218 # 219 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 220 # PPC objects! 221 $STRIP -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa] 222 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do 223 $STRIP -Sxl $f 224 done 225 fi 226 227 # Remove .dir files 228 cd $DEST_DIR$DEST_ROOT 229 rm -f bin/.dir etc/llvm/.dir lib/.dir 230 231 # The Hello dylib is an example of how to build a pass. 232 # The BugpointPasses module is only used to test bugpoint. 233 # These unversioned dylibs cause verification failures, so do not install them. 234 # (The wildcards are used to match a "lib" prefix if it is present.) 235 rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib 236 rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib 237 238 # Compress manpages 239 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1 240 gzip -f $MDIR/* 241 242 ################################################################################ 243 # Create SYM_DIR with information required for debugging. 244 245 # Figure out how many make processes to run. 246 SYSCTL=`sysctl -n hw.activecpu` 247 248 # hw.activecpu only available in 10.2.6 and later 249 if [ -z "$SYSCTL" ]; then 250 SYSCTL=`sysctl -n hw.ncpu` 251 fi 252 253 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders 254 # can default to 2, since even if they are single processor, nothing else is 255 # running on the machine. 256 if [ -z "$SYSCTL" ]; then 257 SYSCTL=2 258 fi 259 260 cd $SYM_DIR || exit 1 261 262 # Clean out SYM_DIR in case -noclean was passed to buildit. 263 rm -rf * || exit 1 264 265 # Generate .dSYM files 266 find $DEST_DIR -perm -0111 -type f \ 267 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \ 268 -print | xargs -n 1 -P ${SYSCTL} dsymutil 269 270 # Save .dSYM files and .a archives 271 cd $DEST_DIR || exit 1 272 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \ 273 | cpio -pdml $SYM_DIR || exit 1 274 275 # Save source files. 276 mkdir $SYM_DIR/src || exit 1 277 cd $DIR || exit 1 278 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \ 279 | cpio -pdml $SYM_DIR/src || exit 1 280 281 ################################################################################ 282 # Remove libLTO.dylib and lto.h. Those are installed by clang. 283 284 cd $DEST_DIR$DEST_ROOT 285 rm -f lib/libLTO.dylib 286 rm -f lib/libLTO.a lib/libLTO.la 287 find $DEST_DIR$DEST_ROOT -name lto.h -delete 288 289 ################################################################################ 290 # Remove debugging information from DEST_DIR. 291 292 cd $DIR || exit 1 293 294 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1 295 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1 296 297 # Strip debugging information from files 298 # 299 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 300 # PPC objects! 301 find $DEST_DIR -perm -0111 -type f \ 302 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \ 303 -print | xargs -n 1 -P ${SYSCTL} $STRIP -arch all -Sl 304 305 chgrp -h -R wheel $DEST_DIR 306 chgrp -R wheel $DEST_DIR 307 308 ################################################################################ 309 # Remove the docs directory 310 311 rm -rf $DEST_DIR$DEST_ROOT/docs 312 313 ################################################################################ 314 # w00t! Done! 315 316 exit 0 317