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 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 85 fi 86 if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then 87 LLVM_VERSION="$LLVM_SUBMIT_VERSION" 88 else 89 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION" 90 fi 91 92 # Figure out how many make processes to run. 93 SYSCTL=`sysctl -n hw.activecpu` 94 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. 95 # Builders can default to 2, since even if they are single processor, 96 # nothing else is running on the machine. 97 if [ -z "$SYSCTL" ]; then 98 SYSCTL=2 99 fi 100 JOBS_FLAG="-j $SYSCTL" 101 102 COMMON_CONFIGURE_OPTS="\ 103 --prefix=$DEST_DIR$DEST_ROOT \ 104 --enable-assertions=$LLVM_ASSERTIONS \ 105 --enable-optimized=$LLVM_OPTIMIZED \ 106 --disable-bindings" 107 108 COMMON_MAKEFLAGS="\ 109 UNIVERSAL=1 \ 110 UNIVERSAL_SDK_PATH=$SDKROOT \ 111 NO_RUNTIME_LIBS=1 \ 112 DISABLE_EDIS=1 \ 113 REQUIRES_RTTI=1 \ 114 DEBUG_SYMBOLS=1 \ 115 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 116 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 117 VERBOSE=1" 118 119 # Build the LLVM tree universal. 120 mkdir -p $DIR/obj-llvm || exit 1 121 cd $DIR/obj-llvm || exit 1 122 123 if [ "$ARM_HOSTED_BUILD" = yes ]; then 124 # The cross-tools' build process expects to find an existing cross toolchain 125 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them. 126 rm -rf $DIR/bin || exit 1 127 mkdir $DIR/bin || exit 1 128 for prog in ar nm ranlib strip lipo ld as ; do 129 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 130 T=`xcrun -sdk $SDKROOT -find ${prog}` 131 ln -s $T $DIR/bin/$prog 132 echo '#!/bin/sh' > $P || exit 1 133 echo 'exec '$T' "$@"' >> $P || exit 1 134 chmod a+x $P || exit 1 135 done 136 # Set up the links for clang. 137 for prog in clang clang++ ; do 138 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 139 T=`xcrun -sdk $SDKROOT -find ${prog}` 140 ln -s $T $DIR/bin/$prog 141 echo '#!/bin/sh' > $P || exit 1 142 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1 143 chmod a+x $P || exit 1 144 done 145 146 PATH=$DIR/bin:$PATH 147 148 unset SDKROOT && \ 149 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS \ 150 --enable-targets=arm \ 151 --host=arm-apple-darwin10 \ 152 --target=arm-apple-darwin10 \ 153 --build=i686-apple-darwin10 \ 154 --program-prefix="" \ 155 || exit 1 156 157 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 158 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 159 DEPLOYMENT_TARGET=-mios-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 160 fi 161 162 make $JOBS_FLAG $COMMON_MAKEFLAGS SDKROOT= UNIVERSAL_ARCH="$HOSTS" \ 163 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 164 if [ $? != 0 ] ; then 165 echo "error: LLVM 'make' failed!" 166 exit 1 167 fi 168 169 else 170 # not $ARM_HOSTED_BUILD 171 172 export CC=`xcrun -find clang` 173 export CXX=`xcrun -find clang++` 174 175 if [ "$IOS_SIM_BUILD" = yes ]; then 176 # Use a non-standard "darwin_sim" host triple to trigger a cross-build. 177 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \ 178 --build=i686-apple-darwin10" 179 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 180 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 181 DEPLOYMENT_TARGET=-mios-simulator-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 182 fi 183 else 184 configure_opts="--enable-targets=arm,x86" 185 if [ -n "$MACOSX_DEPLOYMENT_TARGET" ]; then 186 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 187 DEPLOYMENT_TARGET=-mmacosx-version-min=$MACOSX_DEPLOYMENT_TARGET" 188 fi 189 fi 190 191 if [ $SDKROOT ]; then 192 CPPFLAGS="$CPPFLAGS -isysroot $SDKROOT" 193 fi 194 for host in $HOSTS; do :; done 195 CPPFLAGS="$CPPFLAGS -arch $host" 196 197 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS $configure_opts \ 198 --program-prefix="" \ 199 CPPFLAGS="$CPPFLAGS" \ 200 || exit 1 201 202 make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" \ 203 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 204 if [ $? != 0 ] ; then 205 echo "error: LLVM 'make' failed!" 206 exit 1 207 fi 208 fi 209 210 ################################################################################ 211 # Construct the actual destination root, by copying stuff from $DIR/dst-* to 212 # $DEST_DIR, with occasional 'lipo' commands. 213 214 cd $DEST_DIR || exit 1 215 216 # Clean out DEST_DIR in case -noclean was passed to buildit. 217 rm -rf * || exit 1 218 219 cd $DIR/obj-llvm || exit 1 220 221 # Install the tree into the destination directory. 222 make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" install 223 if ! test $? == 0 ; then 224 echo "error: LLVM 'make install' failed!" 225 exit 1 226 fi 227 228 # Install Version.h 229 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'` 230 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then 231 LLVM_MINOR_VERSION=0 232 fi 233 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION` 234 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h 235 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h 236 237 # Run unifdef to preprocess the installed headers to reflect whether this 238 # was a debug or release build. 239 for file in `find $DEST_DIR$DEST_ROOT/include -type f -print`; do 240 if [ "$LLVM_ASSERTIONS" = yes ]; then 241 unifdef -UNDEBUG -D_DEBUG -o $file $file 242 else 243 unifdef -DNDEBUG -U_DEBUG -ULLVM_ENABLE_DUMP -o $file $file 244 fi 245 done 246 247 # Find the right version of strip to use. 248 STRIP=strip 249 if [ -n "$SDKROOT" ]; then 250 STRIP=`xcrun -sdk $SDKROOT -find strip` 251 fi 252 253 if [ "x$LLVM_DEBUG" != "x1" ]; then 254 # Strip local symbols from llvm libraries. 255 # 256 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 257 # PPC objects! 258 $STRIP -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa] 259 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do 260 $STRIP -Sxl $f 261 done 262 fi 263 264 # Remove .dir files 265 cd $DEST_DIR$DEST_ROOT 266 rm -f bin/.dir etc/llvm/.dir lib/.dir 267 268 # The Hello dylib is an example of how to build a pass. 269 # The BugpointPasses module is only used to test bugpoint. 270 # These unversioned dylibs cause verification failures, so do not install them. 271 # (The wildcards are used to match a "lib" prefix if it is present.) 272 rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib 273 rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib 274 275 # Compress manpages 276 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1 277 gzip -f $MDIR/* 278 279 ################################################################################ 280 # Create SYM_DIR with information required for debugging. 281 282 # Figure out how many make processes to run. 283 SYSCTL=`sysctl -n hw.activecpu` 284 285 # hw.activecpu only available in 10.2.6 and later 286 if [ -z "$SYSCTL" ]; then 287 SYSCTL=`sysctl -n hw.ncpu` 288 fi 289 290 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders 291 # can default to 2, since even if they are single processor, nothing else is 292 # running on the machine. 293 if [ -z "$SYSCTL" ]; then 294 SYSCTL=2 295 fi 296 297 cd $SYM_DIR || exit 1 298 299 # Clean out SYM_DIR in case -noclean was passed to buildit. 300 rm -rf * || exit 1 301 302 # Generate .dSYM files 303 DSYMUTIL=`xcrun -find dsymutil` 304 find $DEST_DIR -perm -0111 -type f \ 305 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \ 306 -print | xargs -n 1 -P ${SYSCTL} ${DSYMUTIL} 307 308 # Save .dSYM files and .a archives 309 cd $DEST_DIR || exit 1 310 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \ 311 | cpio -pdml $SYM_DIR || exit 1 312 313 # Save source files. 314 mkdir $SYM_DIR/src || exit 1 315 cd $DIR || exit 1 316 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \ 317 | cpio -pdml $SYM_DIR/src || exit 1 318 319 ################################################################################ 320 # Remove libLTO.dylib and lto.h. Those are installed by clang. 321 322 cd $DEST_DIR$DEST_ROOT 323 rm -f lib/libLTO.dylib 324 rm -f lib/libLTO.a lib/libLTO.la 325 find $DEST_DIR$DEST_ROOT -name lto.h -delete 326 327 ################################################################################ 328 # Remove debugging information from DEST_DIR. 329 330 cd $DIR || exit 1 331 332 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1 333 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1 334 335 # Strip debugging information from files 336 # 337 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 338 # PPC objects! 339 find $DEST_DIR -perm -0111 -type f \ 340 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \ 341 -print | xargs -n 1 -P ${SYSCTL} $STRIP -arch all -Sl 342 343 chgrp -h -R wheel $DEST_DIR 344 chgrp -R wheel $DEST_DIR 345 346 ################################################################################ 347 # Remove the docs directory 348 349 rm -rf $DEST_DIR$DEST_ROOT/docs 350 351 ################################################################################ 352 # w00t! Done! 353 354 exit 0 355
