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 80# Build the LLVM tree universal. 81mkdir -p $DIR/obj-llvm || exit 1 82cd $DIR/obj-llvm || exit 1 83 84if [ "$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:$PATH 106fi 107 108if [ "$ARM_HOSTED_BUILD" = yes ]; then 109 configure_opts="--enable-targets=arm --host=arm-apple-darwin10 \ 110 --target=arm-apple-darwin10 --build=i686-apple-darwin10" 111elif [ "$IOS_SIM_BUILD" = yes ]; then 112 # Use a non-standard "darwin_sim" host triple to trigger a cross-build. 113 configure_opts="--enable-targets=x86 --host=i686-apple-darwin_sim \ 114 --build=i686-apple-darwin10" 115else 116 configure_opts="--enable-targets=arm,x86" 117fi 118 119if [ "$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" 125fi 126 127if [ \! -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 134fi 135 136SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/[^.]*\.\([0-9]*\).*/\1/'` 137 138if [ "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 142fi 143 144if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then 145 LLVM_VERSION="$LLVM_SUBMIT_VERSION" 146else 147 LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION" 148fi 149 150# Figure out how many make processes to run. 151SYSCTL=`sysctl -n hw.activecpu` 152# sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. 153# Builders can default to 2, since even if they are single processor, 154# nothing else is running on the machine. 155if [ -z "$SYSCTL" ]; then 156 SYSCTL=2 157fi 158JOBS_FLAG="-j $SYSCTL" 159 160make $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 171if [ $? != 0 ] ; then 172 echo "error: LLVM 'make' failed!" 173 exit 1 174fi 175 176################################################################################ 177# Construct the actual destination root, by copying stuff from $DIR/dst-* to 178# $DEST_DIR, with occasional 'lipo' commands. 179 180cd $DEST_DIR || exit 1 181 182# Clean out DEST_DIR in case -noclean was passed to buildit. 183rm -rf * || exit 1 184 185cd $DIR/obj-llvm || exit 1 186 187# Install the tree into the destination directory. 188make $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 196if ! test $? == 0 ; then 197 echo "error: LLVM 'make install' failed!" 198 exit 1 199fi 200 201# Install Version.h 202LLVM_MINOR_VERSION=`echo $LLVM_SUBMIT_SUBVERSION | sed -e 's,0*\([1-9][0-9]*\),\1,'` 203if [ "x$LLVM_MINOR_VERSION" = "x" ]; then 204 LLVM_MINOR_VERSION=0 205fi 206RC_ProjectSourceSubversion=`printf "%d" $LLVM_MINOR_VERSION` 207echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$DEST_ROOT/include/llvm/Version.h 208echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$DEST_ROOT/include/llvm/Version.h 209 210# Find the right version of strip to use. 211STRIP=strip 212if [ -n "$SDKROOT" ]; then 213 STRIP=`xcrun -sdk $SDKROOT -find strip` 214fi 215 216if [ "x$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 225fi 226 227# Remove .dir files 228cd $DEST_DIR$DEST_ROOT 229rm -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.) 235rm $DEST_DIR$DEST_ROOT/lib/*LLVMHello.dylib 236rm $DEST_DIR$DEST_ROOT/lib/*BugpointPasses.dylib 237 238# Compress manpages 239MDIR=$DEST_DIR$DEST_ROOT/share/man/man1 240gzip -f $MDIR/* 241 242################################################################################ 243# Create SYM_DIR with information required for debugging. 244 245# Figure out how many make processes to run. 246SYSCTL=`sysctl -n hw.activecpu` 247 248# hw.activecpu only available in 10.2.6 and later 249if [ -z "$SYSCTL" ]; then 250 SYSCTL=`sysctl -n hw.ncpu` 251fi 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. 256if [ -z "$SYSCTL" ]; then 257 SYSCTL=2 258fi 259 260cd $SYM_DIR || exit 1 261 262# Clean out SYM_DIR in case -noclean was passed to buildit. 263rm -rf * || exit 1 264 265# Generate .dSYM files 266find $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 271cd $DEST_DIR || exit 1 272find . \( -path \*.dSYM/\* -or -name \*.a \) -print \ 273 | cpio -pdml $SYM_DIR || exit 1 274 275# Save source files. 276mkdir $SYM_DIR/src || exit 1 277cd $DIR || exit 1 278find 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 284cd $DEST_DIR$DEST_ROOT 285rm -f lib/libLTO.dylib 286rm -f lib/libLTO.a lib/libLTO.la 287find $DEST_DIR$DEST_ROOT -name lto.h -delete 288 289################################################################################ 290# Remove debugging information from DEST_DIR. 291 292cd $DIR || exit 1 293 294find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1 295find $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! 301find $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 305chgrp -h -R wheel $DEST_DIR 306chgrp -R wheel $DEST_DIR 307 308################################################################################ 309# Remove the docs directory 310 311rm -rf $DEST_DIR$DEST_ROOT/docs 312 313################################################################################ 314# w00t! Done! 315 316exit 0 317