1#!/bin/sh 2# LLVM LOCAL file B&I 3 4set -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. 12HOSTS="$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. 18TARGETS="$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... 22ORIG_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. 26DEST_ROOT="$4" 27 28# The fifth parameter is the place where the compiler will be copied once it's 29# built. 30DEST_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. 35SYM_DIR="$6" 36 37# The seventh parameter is a yes/no that indicates whether assertions should be 38# enabled in the LLVM libs/tools. 39LLVM_ASSERTIONS="$7" 40 41# The eighth parameter is a yes/no that indicates whether this is an optimized 42# build. 43LLVM_OPTIMIZED="$8" 44 45# A yes/no parameter that controls whether to cross-build for an ARM host. 46ARM_HOSTED_BUILD="$9" 47 48# A yes/no parameter that controls whether to cross-build for the iOS simulator 49IOS_SIM_BUILD="${10}" 50 51# The version number of the submission, e.g. 1007. 52LLVM_SUBMIT_VERSION="${11}" 53 54# The subversion number of the submission, e.g. 03. 55LLVM_SUBMIT_SUBVERSION="${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. 60DIR=`pwd` 61 62DARWIN_VERS=`uname -r | sed 's/\..*//'` 63echo DARWIN_VERS = $DARWIN_VERS 64 65################################################################################ 66# Run the build. 67 68# Create the source tree we'll actually use to build, deleting 69# tcl since it doesn't actually build properly in a cross environment 70# and we don't really need it. 71SRC_DIR=$DIR/src 72rm -rf $SRC_DIR || exit 1 73mkdir $SRC_DIR || exit 1 74ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1 75# We can't use the top-level Makefile as-is. Remove the soft link: 76rm $SRC_DIR/Makefile || exit 1 77# Now create our own by editing the top-level Makefile, deleting every line marked "Apple-style": 78sed -e '/[Aa]pple-style/d' -e '/include.*GNUmakefile/d' $ORIG_SRC_DIR/Makefile > $SRC_DIR/Makefile || exit 1 79 80SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/.*\.\([0-9]*\).*/\1/'` 81if [ "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 85fi 86if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then 87 LLVM_VERSION="$LLVM_SUBMIT_VERSION" 88else 89 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION" 90fi 91 92# Figure out how many make processes to run. 93SYSCTL=`sysctl -n hw.activecpu` 94# sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. 95# Builders can default to 2, since even if they are single processor, 96# nothing else is running on the machine. 97if [ -z "$SYSCTL" ]; then 98 SYSCTL=2 99fi 100JOBS_FLAG="-j $SYSCTL" 101 102COMMON_CONFIGURE_OPTS="\ 103 --prefix=$DEST_DIR$DEST_ROOT \ 104 --enable-assertions=$LLVM_ASSERTIONS \ 105 --enable-optimized=$LLVM_OPTIMIZED \ 106 --disable-bindings \ 107 --disable-zlib \ 108 --enable-terminfo=no" 109 110COMMON_MAKEFLAGS="\ 111 UNIVERSAL=1 \ 112 UNIVERSAL_SDK_PATH=$SDKROOT \ 113 NO_RUNTIME_LIBS=1 \ 114 DISABLE_EDIS=1 \ 115 REQUIRES_RTTI=1 \ 116 DEBUG_SYMBOLS=1 \ 117 LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \ 118 LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \ 119 VERBOSE=1" 120 121# Build the LLVM tree universal. 122mkdir -p $DIR/obj-llvm || exit 1 123cd $DIR/obj-llvm || exit 1 124 125if [ "$ARM_HOSTED_BUILD" = yes ]; then 126 # The cross-tools' build process expects to find an existing cross toolchain 127 # under names like 'arm-apple-darwin$DARWIN_VERS-as'; so make them. 128 rm -rf $DIR/bin || exit 1 129 mkdir $DIR/bin || exit 1 130 for prog in ar nm ranlib strip lipo ld as ; do 131 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 132 T=`xcrun -sdk $SDKROOT -find ${prog}` 133 ln -s $T $DIR/bin/$prog 134 echo '#!/bin/sh' > $P || exit 1 135 echo 'exec '$T' "$@"' >> $P || exit 1 136 chmod a+x $P || exit 1 137 done 138 # Set up the links for clang. 139 for prog in clang clang++ ; do 140 P=$DIR/bin/arm-apple-darwin$DARWIN_VERS-${prog} 141 T=`xcrun -sdk $SDKROOT -find ${prog}` 142 ln -s $T $DIR/bin/$prog 143 echo '#!/bin/sh' > $P || exit 1 144 echo 'exec '$T' -arch armv7 -isysroot '${SDKROOT}' "$@"' >> $P || exit 1 145 chmod a+x $P || exit 1 146 done 147 148 PATH=$DIR/bin:$PATH 149 150 unset SDKROOT && \ 151 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS \ 152 --enable-targets=arm \ 153 --host=arm-apple-darwin10 \ 154 --target=arm-apple-darwin10 \ 155 --build=i686-apple-darwin10 \ 156 --program-prefix="" \ 157 || exit 1 158 159 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 160 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 161 DEPLOYMENT_TARGET=-mios-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 162 fi 163 164 make $JOBS_FLAG $COMMON_MAKEFLAGS SDKROOT= UNIVERSAL_ARCH="$HOSTS" \ 165 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 166 if [ $? != 0 ] ; then 167 echo "error: LLVM 'make' failed!" 168 exit 1 169 fi 170 171else 172# not $ARM_HOSTED_BUILD 173 174 export CC=`xcrun -find clang` 175 export CXX=`xcrun -find clang++` 176 177 if [ "$IOS_SIM_BUILD" = yes ]; then 178 # Use a non-standard "darwin_sim" host triple to trigger a cross-build. 179 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \ 180 --build=i686-apple-darwin10" 181 if [ -n "$IPHONEOS_DEPLOYMENT_TARGET" ]; then 182 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 183 DEPLOYMENT_TARGET=-mios-simulator-version-min=$IPHONEOS_DEPLOYMENT_TARGET" 184 fi 185 else 186 configure_opts="--enable-targets=arm,x86" 187 if [ -n "$MACOSX_DEPLOYMENT_TARGET" ]; then 188 COMMON_MAKEFLAGS="$COMMON_MAKEFLAGS \ 189 DEPLOYMENT_TARGET=-mmacosx-version-min=$MACOSX_DEPLOYMENT_TARGET" 190 fi 191 fi 192 193 if [ $SDKROOT ]; then 194 CPPFLAGS="$CPPFLAGS -isysroot $SDKROOT" 195 fi 196 for host in $HOSTS; do :; done 197 CPPFLAGS="$CPPFLAGS -arch $host" 198 199 $SRC_DIR/configure $COMMON_CONFIGURE_OPTS $configure_opts \ 200 --program-prefix="" \ 201 CPPFLAGS="$CPPFLAGS" \ 202 || exit 1 203 204 make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" \ 205 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'" 206 if [ $? != 0 ] ; then 207 echo "error: LLVM 'make' failed!" 208 exit 1 209 fi 210fi 211 212################################################################################ 213# Construct the actual destination root, by copying stuff from $DIR/dst-* to 214# $DEST_DIR, with occasional 'lipo' commands. 215 216cd $DEST_DIR || exit 1 217 218# Clean out DEST_DIR in case -noclean was passed to buildit. 219rm -rf * || exit 1 220 221cd $DIR/obj-llvm || exit 1 222 223# Install the tree into the destination directory. 224make $JOBS_FLAG $COMMON_MAKEFLAGS UNIVERSAL_ARCH="$HOSTS" install 225if ! test $? == 0 ; then 226 echo "error: LLVM 'make install' failed!" 227 exit 1 228fi 229 230# Install Version.h 231LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'` 232if [ "x$LLVM_MINOR_VERSION" = "x" ]; then 233 LLVM_MINOR_VERSION=0 234fi 235RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION` 236echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h 237echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h 238 239# Run unifdef to preprocess the installed headers to reflect whether this 240# was a debug or release build. 241for file in `find $DEST_DIR$DEST_ROOT/include -type f -print`; do 242 if [ "$LLVM_ASSERTIONS" = yes ]; then 243 unifdef -UNDEBUG -D_DEBUG -o $file $file 244 else 245 unifdef -DNDEBUG -U_DEBUG -ULLVM_ENABLE_DUMP -o $file $file 246 fi 247done 248 249# Find the right version of strip to use. 250STRIP=strip 251if [ -n "$SDKROOT" ]; then 252 STRIP=`xcrun -sdk $SDKROOT -find strip` 253fi 254 255if [ "x$LLVM_DEBUG" != "x1" ]; then 256 # Strip local symbols from llvm libraries. 257 # 258 # Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 259 # PPC objects! 260 $STRIP -Sl $DEST_DIR$DEST_ROOT/lib/*.[oa] 261 for f in `ls $DEST_DIR$DEST_ROOT/lib/*.so`; do 262 $STRIP -Sxl $f 263 done 264fi 265 266# Remove .dir files 267cd $DEST_DIR$DEST_ROOT 268rm -f bin/.dir etc/llvm/.dir lib/.dir 269 270# The Hello dylib is an example of how to build a pass. 271# The BugpointPasses module is only used to test bugpoint. 272# These unversioned dylibs cause verification failures, so do not install them. 273# (The wildcards are used to match a "lib" prefix if it is present.) 274rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib 275rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib 276 277# Compress manpages 278MDIR=$DEST_DIR$DEST_ROOT/share/man/man1 279gzip -f $MDIR/* 280 281################################################################################ 282# Create SYM_DIR with information required for debugging. 283 284# Figure out how many make processes to run. 285SYSCTL=`sysctl -n hw.activecpu` 286 287# hw.activecpu only available in 10.2.6 and later 288if [ -z "$SYSCTL" ]; then 289 SYSCTL=`sysctl -n hw.ncpu` 290fi 291 292# sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. Builders 293# can default to 2, since even if they are single processor, nothing else is 294# running on the machine. 295if [ -z "$SYSCTL" ]; then 296 SYSCTL=2 297fi 298 299cd $SYM_DIR || exit 1 300 301# Clean out SYM_DIR in case -noclean was passed to buildit. 302rm -rf * || exit 1 303 304# Generate .dSYM files 305DSYMUTIL=`xcrun -find dsymutil` 306find $DEST_DIR -perm -0111 -type f \ 307 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config -o -name '*.a' \) \ 308 -print | xargs -n 1 -P ${SYSCTL} ${DSYMUTIL} 309 310# Save .dSYM files and .a archives 311cd $DEST_DIR || exit 1 312find . \( -path \*.dSYM/\* -or -name \*.a \) -print \ 313 | cpio -pdml $SYM_DIR || exit 1 314 315# Save source files. 316mkdir $SYM_DIR/src || exit 1 317cd $DIR || exit 1 318find obj-* -name \*.\[chy\] -o -name \*.cpp -print \ 319 | cpio -pdml $SYM_DIR/src || exit 1 320 321################################################################################ 322# Remove libLTO.dylib and lto.h. Those are installed by clang. 323 324cd $DEST_DIR$DEST_ROOT 325rm -f lib/libLTO.dylib 326rm -f lib/libLTO.a lib/libLTO.la 327find $DEST_DIR$DEST_ROOT -name lto.h -delete 328 329################################################################################ 330# Remove debugging information from DEST_DIR. 331 332cd $DIR || exit 1 333 334find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1 335find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1 336 337# Strip debugging information from files 338# 339# Use '-l' to strip i386 modules. N.B. that flag doesn't work with kext or 340# PPC objects! 341find $DEST_DIR -perm -0111 -type f \ 342 ! \( -name '*.la' -o -name gccas -o -name gccld -o -name llvm-config \) \ 343 -print | xargs -n 1 -P ${SYSCTL} $STRIP -arch all -Sl 344 345chgrp -h -R wheel $DEST_DIR 346chgrp -R wheel $DEST_DIR 347 348################################################################################ 349# Remove the docs directory 350 351rm -rf $DEST_DIR$DEST_ROOT/docs 352 353################################################################################ 354# w00t! Done! 355 356exit 0 357