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 SDKROOT_PATH=`xcodebuild -version -sdk $SDKROOT Path` 93 94 # Figure out how many make processes to run. 95 SYSCTL=`sysctl -n hw.activecpu` 96 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. 97 # Builders can default to 2, since even if they are single processor, 98 # nothing else is running on the machine. 99 if [ -z "$SYSCTL" ]; then 100 SYSCTL=2 101 fi 102 JOBS_FLAG="-j $SYSCTL" 103 104 COMMON_CONFIGURE_OPTS="\ 105 --prefix=$DEST_DIR$DEST_ROOT \ 106 --enable-assertions=$LLVM_ASSERTIONS \ 107 --enable-optimized=$LLVM_OPTIMIZED \ 108 --disable-bindings \ 109 --disable-zlib \ 110 --enable-terminfo=no" 111 112 COMMON_MAKEFLAGS="\ 113 UNIVERSAL=1 \ 114 UNIVERSAL_SDK_PATH=$SDKROOT_PATH \ 115 NO_RUNTIME_LIBS=1 \ 116 DISABLE_EDIS=1 \ 117 REQUIRES_RTTI=1 \ 118 DEBUG_SYMBOLS=1 \ 119 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 120 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 121 VERBOSE=1" 122 123 # Build the LLVM tree universal. 124 mkdir -p $DIR/obj-llvm || exit 1 125 cd $DIR/obj-llvm || exit 1 126 127 if [ "$ARM_HOSTED_BUILD" = yes ]; then 128 # The cross-tools' build process expects to find an existing cross toolchain 129 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them. 130 rm -rf $DIR/bin || exit 1 131 mkdir $DIR/bin || exit 1 132 for prog in ar nm ranlib strip lipo ld as ; do 133 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 134 T=`xcrun -sdk $SDKROOT -find ${prog}` 135 ln -s $T $DIR/bin/$prog 136 echo '#!/bin/sh' > $P || exit 1 137 echo 'exec '$T' "$@"' >> $P || exit 1 138 chmod a+x $P || exit 1 139 done 140 # Set up the links for clang. 141 for prog in clang clang++ ; do 142 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 143 T=`xcrun -sdk $SDKROOT -find ${prog}` 144 ln -s $T $DIR/bin/$prog 145 echo '#!/bin/sh' > $P || exit 1 146 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT_PATH}' "$@"' >> $P || exit 1 147 chmod a+x $P || exit 1 148 done 149 150 PATH=$DIR/bin:$PATH 151 152 unset SDKROOT && \ 153 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS \ 154 --enable-targets=arm,arm64 \ 155 --host=arm-apple-darwin10 \ 156 --target=arm-apple-darwin10 \ 157 --build=i686-apple-darwin10 \ 158 --program-prefix="" \ 159 || exit 1 160 161 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 162 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 163 DEPLOYMENT_TARGET=-mios-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 164 fi 165 166 make $JOBS_FLAG $COMMON_MAKEFLAGS SDKROOT= UNIVERSAL_ARCH="$HOSTS" \ 167 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 168 if [ $? != 0 ] ; then 169 echo "error: LLVM 'make' failed!" 170 exit 1 171 fi 172 173 else 174 # not $ARM_HOSTED_BUILD 175 176 if [ "$IOS_SIM_BUILD" = yes ]; then 177 export CC=`xcrun -sdk iphonesimulator -find clang` 178 export CXX=`xcrun -sdk iphonesimulator -find clang++` 179 180 # Use a non-standard "darwin_sim" host triple to trigger a cross-build. 181 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \ 182 --build=i686-apple-darwin10" 183 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 184 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 185 DEPLOYMENT_TARGET=-mios-simulator-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 186 fi 187 else 188 export CC=`xcrun -sdk macosx -find clang` 189 export CXX=`xcrun -sdk macosx -find clang++` 190 191 configure_opts="--enable-targets=arm,arm64,x86" 192 if [ -n "$MACOSX_DEPLOYMENT_TARGET" ]; then 193 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 194 DEPLOYMENT_TARGET=-mmacosx-version-min=$MACOSX_DEPLOYMENT_TARGET" 195 fi 196 fi 197 198 if [ $SDKROOT_PATH ]; then 199 CPPFLAGS="$CPPFLAGS -isysroot $SDKROOT_PATH" 200 fi 201 for host in $HOSTS; do :; done 202 CPPFLAGS="$CPPFLAGS -arch $host" 203 204 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS $configure_opts \ 205 --program-prefix="" \ 206 CPPFLAGS="$CPPFLAGS" \ 207 || exit 1 208 209 make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" \ 210 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 211 if [ $? != 0 ] ; then 212 echo "error: LLVM 'make' failed!" 213 exit 1 214 fi 215 fi 216 217 ################################################################################ 218 # Construct the actual destination root, by copying stuff from $DIR/dst-* to 219 # $DEST_DIR, with occasional 'lipo' commands. 220 221 cd $DEST_DIR || exit 1 222 223 # Clean out DEST_DIR in case -noclean was passed to buildit. 224 rm -rf * || exit 1 225 226 cd $DIR/obj-llvm || exit 1 227 228 # Install the tree into the destination directory. 229 make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" install 230 if ! test $? == 0 ; then 231 echo "error: LLVM 'make install' failed!" 232 exit 1 233 fi 234 235 # Install Version.h 236 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'` 237 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then 238 LLVM_MINOR_VERSION=0 239 fi 240 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION` 241 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h 242 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h 243 244 # Run unifdef to preprocess the installed headers to reflect whether this 245 # was a debug or release build. 246 for file in `find $DEST_DIR$DEST_ROOT/include -type f -print`; do 247 if [ "$LLVM_ASSERTIONS" = yes ]; then 248 unifdef -UNDEBUG -D_DEBUG -o $file $file 249 else 250 unifdef -DNDEBUG -U_DEBUG -ULLVM_ENABLE_DUMP -o $file $file 251 fi 252 done 253 254 # Find the right version of strip to use. 255 STRIP=strip 256 if [ -n "$SDKROOT" ]; then 257 STRIP=`xcrun -sdk $SDKROOT -find strip` 258 fi 259 260 if [ "x$LLVM_DEBUG" != "x1" ]; then 261 # Strip local symbols from llvm libraries. 262 # 263 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 264 # PPC objects! 265 $STRIP -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa] 266 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do 267 $STRIP -Sxl $f 268 done 269 fi 270 271 # Remove .dir files 272 cd $DEST_DIR$DEST_ROOT 273 rm -f bin/.dir etc/llvm/.dir lib/.dir 274 275 # The Hello dylib is an example of how to build a pass. 276 # The BugpointPasses module is only used to test bugpoint. 277 # These unversioned dylibs cause verification failures, so do not install them. 278 # (The wildcards are used to match a "lib" prefix if it is present.) 279 rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib 280 rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib 281 282 # Compress manpages 283 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1 284 gzip -f $MDIR/* 285 286 ################################################################################ 287 # Create SYM_DIR with information required for debugging. 288 289 # Figure out how many make processes to run. 290 SYSCTL=`sysctl -n hw.activecpu` 291 292 # hw.activecpu only available in 10.2.6 and later 293 if [ -z "$SYSCTL" ]; then 294 SYSCTL=`sysctl -n hw.ncpu` 295 fi 296 297 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders 298 # can default to 2, since even if they are single processor, nothing else is 299 # running on the machine. 300 if [ -z "$SYSCTL" ]; then 301 SYSCTL=2 302 fi 303 304 cd $SYM_DIR || exit 1 305 306 # Clean out SYM_DIR in case -noclean was passed to buildit. 307 rm -rf * || exit 1 308 309 # Generate .dSYM files 310 DSYMUTIL=`xcrun -find dsymutil` 311 find $DEST_DIR -perm -0111 -type f \ 312 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \ 313 -print | xargs -n 1 -P ${SYSCTL} ${DSYMUTIL} 314 315 # Save .dSYM files and .a archives 316 cd $DEST_DIR || exit 1 317 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \ 318 | cpio -pdml $SYM_DIR || exit 1 319 320 # Save source files. 321 mkdir $SYM_DIR/src || exit 1 322 cd $DIR || exit 1 323 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \ 324 | cpio -pdml $SYM_DIR/src || exit 1 325 326 ################################################################################ 327 # Remove libLTO.dylib and lto.h. Those are installed by clang. 328 329 cd $DEST_DIR$DEST_ROOT 330 rm -f lib/libLTO.dylib 331 rm -f lib/libLTO.a lib/libLTO.la 332 find $DEST_DIR$DEST_ROOT -name lto.h -delete 333 334 ################################################################################ 335 # Remove debugging information from DEST_DIR. 336 337 cd $DIR || exit 1 338 339 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1 340 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1 341 342 # Strip debugging information from files 343 # 344 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 345 # PPC objects! 346 find $DEST_DIR -perm -0111 -type f \ 347 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \ 348 -print | xargs -n 1 -P ${SYSCTL} $STRIP -arch all -Sl 349 350 chgrp -h -R wheel $DEST_DIR 351 chgrp -R wheel $DEST_DIR 352 353 ################################################################################ 354 # Remove the docs directory 355 356 rm -rf $DEST_DIR$DEST_ROOT/docs 357 358 ################################################################################ 359 # w00t! Done! 360 361 exit 0 362
