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=$LLVM_OPTIMIZED \ 106 --disable-bindings \ 107 --disable-zlib" 108 109 COMMON_MAKEFLAGS="\ 110 UNIVERSAL=1 \ 111 UNIVERSAL_SDK_PATH=$SDKROOT \ 112 NO_RUNTIME_LIBS=1 \ 113 DISABLE_EDIS=1 \ 114 REQUIRES_RTTI=1 \ 115 DEBUG_SYMBOLS=1 \ 116 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 117 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 118 VERBOSE=1" 119 120 # Build the LLVM tree universal. 121 mkdir -p $DIR/obj-llvm || exit 1 122 cd $DIR/obj-llvm || exit 1 123 124 if [ "$ARM_HOSTED_BUILD" = yes ]; then 125 # The cross-tools' build process expects to find an existing cross toolchain 126 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them. 127 rm -rf $DIR/bin || exit 1 128 mkdir $DIR/bin || exit 1 129 for prog in ar nm ranlib strip lipo ld as ; do 130 P=$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' "$@"' >> $P || exit 1 135 chmod a+x $P || exit 1 136 done 137 # Set up the links for clang. 138 for prog in clang clang++ ; do 139 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 140 T=`xcrun -sdk $SDKROOT -find ${prog}` 141 ln -s $T $DIR/bin/$prog 142 echo '#!/bin/sh' > $P || exit 1 143 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1 144 chmod a+x $P || exit 1 145 done 146 147 PATH=$DIR/bin:$PATH 148 149 unset SDKROOT && \ 150 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS \ 151 --enable-targets=arm \ 152 --host=arm-apple-darwin10 \ 153 --target=arm-apple-darwin10 \ 154 --build=i686-apple-darwin10 \ 155 --program-prefix="" \ 156 || exit 1 157 158 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 159 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 160 DEPLOYMENT_TARGET=-mios-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 161 fi 162 163 make $JOBS_FLAG $COMMON_MAKEFLAGS SDKROOT= UNIVERSAL_ARCH="$HOSTS" \ 164 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 165 if [ $? != 0 ] ; then 166 echo "error: LLVM 'make' failed!" 167 exit 1 168 fi 169 170 else 171 # not $ARM_HOSTED_BUILD 172 173 export CC=`xcrun -find clang` 174 export CXX=`xcrun -find clang++` 175 176 if [ "$IOS_SIM_BUILD" = yes ]; then 177 # Use a non-standard "darwin_sim" host triple to trigger a cross-build. 178 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \ 179 --build=i686-apple-darwin10" 180 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 181 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 182 DEPLOYMENT_TARGET=-mios-simulator-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 183 fi 184 else 185 configure_opts="--enable-targets=arm,x86" 186 if [ -n "$MACOSX_DEPLOYMENT_TARGET" ]; then 187 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 188 DEPLOYMENT_TARGET=-mmacosx-version-min=$MACOSX_DEPLOYMENT_TARGET" 189 fi 190 fi 191 192 if [ $SDKROOT ]; then 193 CPPFLAGS="$CPPFLAGS -isysroot $SDKROOT" 194 fi 195 for host in $HOSTS; do :; done 196 CPPFLAGS="$CPPFLAGS -arch $host" 197 198 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS $configure_opts \ 199 --program-prefix="" \ 200 CPPFLAGS="$CPPFLAGS" \ 201 || exit 1 202 203 make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" \ 204 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 205 if [ $? != 0 ] ; then 206 echo "error: LLVM 'make' failed!" 207 exit 1 208 fi 209 fi 210 211 ################################################################################ 212 # Construct the actual destination root, by copying stuff from $DIR/dst-* to 213 # $DEST_DIR, with occasional 'lipo' commands. 214 215 cd $DEST_DIR || exit 1 216 217 # Clean out DEST_DIR in case -noclean was passed to buildit. 218 rm -rf * || exit 1 219 220 cd $DIR/obj-llvm || exit 1 221 222 # Install the tree into the destination directory. 223 make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" install 224 if ! test $? == 0 ; then 225 echo "error: LLVM 'make install' failed!" 226 exit 1 227 fi 228 229 # Install Version.h 230 LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'` 231 if [ "x$LLVM_MINOR_VERSION" = "x" ]; then 232 LLVM_MINOR_VERSION=0 233 fi 234 RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION` 235 echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h 236 echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h 237 238 # Run unifdef to preprocess the installed headers to reflect whether this 239 # was a debug or release build. 240 for file in `find $DEST_DIR$DEST_ROOT/include -type f -print`; do 241 if [ "$LLVM_ASSERTIONS" = yes ]; then 242 unifdef -UNDEBUG -D_DEBUG -o $file $file 243 else 244 unifdef -DNDEBUG -U_DEBUG -ULLVM_ENABLE_DUMP -o $file $file 245 fi 246 done 247 248 # Find the right version of strip to use. 249 STRIP=strip 250 if [ -n "$SDKROOT" ]; then 251 STRIP=`xcrun -sdk $SDKROOT -find strip` 252 fi 253 254 if [ "x$LLVM_DEBUG" != "x1" ]; then 255 # Strip local symbols from llvm libraries. 256 # 257 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 258 # PPC objects! 259 $STRIP -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa] 260 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do 261 $STRIP -Sxl $f 262 done 263 fi 264 265 # Remove .dir files 266 cd $DEST_DIR$DEST_ROOT 267 rm -f bin/.dir etc/llvm/.dir lib/.dir 268 269 # The Hello dylib is an example of how to build a pass. 270 # The BugpointPasses module is only used to test bugpoint. 271 # These unversioned dylibs cause verification failures, so do not install them. 272 # (The wildcards are used to match a "lib" prefix if it is present.) 273 rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib 274 rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib 275 276 # Compress manpages 277 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1 278 gzip -f $MDIR/* 279 280 ################################################################################ 281 # Create SYM_DIR with information required for debugging. 282 283 # Figure out how many make processes to run. 284 SYSCTL=`sysctl -n hw.activecpu` 285 286 # hw.activecpu only available in 10.2.6 and later 287 if [ -z "$SYSCTL" ]; then 288 SYSCTL=`sysctl -n hw.ncpu` 289 fi 290 291 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders 292 # can default to 2, since even if they are single processor, nothing else is 293 # running on the machine. 294 if [ -z "$SYSCTL" ]; then 295 SYSCTL=2 296 fi 297 298 cd $SYM_DIR || exit 1 299 300 # Clean out SYM_DIR in case -noclean was passed to buildit. 301 rm -rf * || exit 1 302 303 # Generate .dSYM files 304 DSYMUTIL=`xcrun -find dsymutil` 305 find $DEST_DIR -perm -0111 -type f \ 306 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \ 307 -print | xargs -n 1 -P ${SYSCTL} ${DSYMUTIL} 308 309 # Save .dSYM files and .a archives 310 cd $DEST_DIR || exit 1 311 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \ 312 | cpio -pdml $SYM_DIR || exit 1 313 314 # Save source files. 315 mkdir $SYM_DIR/src || exit 1 316 cd $DIR || exit 1 317 find obj-* -name \*.\[chy\] -o -name \*.cpp -print \ 318 | cpio -pdml $SYM_DIR/src || exit 1 319 320 ################################################################################ 321 # Remove libLTO.dylib and lto.h. Those are installed by clang. 322 323 cd $DEST_DIR$DEST_ROOT 324 rm -f lib/libLTO.dylib 325 rm -f lib/libLTO.a lib/libLTO.la 326 find $DEST_DIR$DEST_ROOT -name lto.h -delete 327 328 ################################################################################ 329 # Remove debugging information from DEST_DIR. 330 331 cd $DIR || exit 1 332 333 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1 334 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1 335 336 # Strip debugging information from files 337 # 338 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 339 # PPC objects! 340 find $DEST_DIR -perm -0111 -type f \ 341 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \ 342 -print | xargs -n 1 -P ${SYSCTL} $STRIP -arch all -Sl 343 344 chgrp -h -R wheel $DEST_DIR 345 chgrp -R wheel $DEST_DIR 346 347 ################################################################################ 348 # Remove the docs directory 349 350 rm -rf $DEST_DIR$DEST_ROOT/docs 351 352 ################################################################################ 353 # w00t! Done! 354 355 exit 0 356
