build_gcc

   1 #!/bin/sh
   2 # APPLE LOCAL file B&I
   3
   4 set -x
   5
   6 # -arch arguments are different than configure arguments. We need to
   7 # translate them.
   8
   9 TRANSLATE_ARCH="sed -e s/ppc/powerpc/ -e s/i386/i686/ -e s/ppc64/powerpc64/"
  10 TRANSLATE_TARGETS="sed -e s/ppc/powerpc/ -e s/i386/i686/ -e s/x86_64// \
  11   -e s/powerpc64// -e s/ppc64//"
  12
  13 # Build GCC the "Apple way".
  14 # Parameters:
  15
  16 # The first parameter is a space-separated list of the architectures
  17 # the compilers will run on.  For instance, "ppc i386".  If the
  18 # current machine isn't in the list, it will (effectively) be added.
  19 HOSTS=`echo $1 | $TRANSLATE_ARCH `
  20
  21 # The second parameter is a space-separated list of the architectures the
  22 # compilers will generate code for.  If the current machine isn't in
  23 # the list, a compiler for it will get built anyway, but won't be
  24 # installed.
  25 TARGETS=`echo $2 | $TRANSLATE_TARGETS`
  26
  27 # The GNU makefile target ('bootstrap' by default).
  28 BOOTSTRAP=${BOOTSTRAP-bootstrap}
  29 if [ "$BOOTSTRAP" != bootstrap ]; then
  30     bootstrap=--disable-bootstrap
  31 fi
  32
  33 # The B&I build srcript (~rc/bin/buildit) accepts an '-othercflags'
  34 # command-line flag, and captures the argument to that flag in
  35 # $RC_NONARCH_CFLAGS (and mysteriously prepends '-pipe' thereto).
  36 # We will allow this to override the default $CFLAGS and $CXXFLAGS.
  37
  38 if [ "x$LLVM_DEBUG" == "x" ]; then
  39     CFLAGS="-g -O2 ${RC_NONARCH_CFLAGS/-pipe/}"
  40 else
  41     CFLAGS="-g"
  42 fi
  43
  44 # This isn't a parameter; it is the architecture of the current machine.
  45 BUILD=`arch | $TRANSLATE_ARCH`
  46
  47 # The third parameter is the path to the compiler sources.  There should
  48 # be a shell script named 'configure' in this directory.  This script
  49 # makes a copy...
  50 ORIG_SRC_DIR="$3"
  51
  52 # The fourth parameter is the location where the compiler will be installed,
  53 # normally "/usr".  You can move it once it's built, so this mostly controls
  54 # the layout of $DEST_DIR.
  55 DEST_ROOT="$4"
  56
  57 # The fifth parameter is the place where the compiler will be copied once
  58 # it's built.
  59 DEST_DIR="$5"
  60
  61 # The sixth parameter is a directory in which to place information (like
  62 # unstripped executables and generated source files) helpful in debugging
  63 # the resulting compiler.
  64 SYM_DIR="$6"
  65
  66 # LLVM LOCAL begin
  67 # The seventh parameter is true/false indicating whether LLVM should be enabled
  68 # or not.
  69 ENABLE_LLVM="$7"
  70
  71 # The eighth parameter is a yes/no that indicates whether assertions should be
  72 # enabled in the LLVM libs/tools.
  73 LLVM_ASSERTIONS="$8"
  74
  75 # The nineth parameter indicates llvmCore location.
  76 LLVMCORE_PATH="$9"
  77
  78 # The tenth parameter is the version number of the submission, e.g. 1007.
  79 LLVM_SUBMIT_VERSION="${10}"
  80
  81 # The eleventh parameter is the subversion number of the submission, e.g. 03.
  82 LLVM_SUBMIT_SUBVERSION="${11}"
  83
  84 # LLVM_BIN_DIR - This is the place where llvm-gcc/llvm-g++ symlinks get installed.
  85 LLVM_BIN_DIR=/Developer/usr/bin
  86
  87 # LLVM_ARCHS - This tells us which architectures we'd like the libraries to be
  88 # build for. The default is 4-way.
  89 if [ "x$LLVM_ARCHS" == "x" ]; then
  90     LLVM_ARCHS="ppc i386 ppc64 x86_64"
  91 fi
  92
  93 # LLVM LOCAL end
  94
  95 # The current working directory is where the build will happen.
  96 # It may already contain a partial result of an interrupted build,
  97 # in which case this script will continue where it left off.
  98 DIR=`pwd`
  99
 100 # This isn't a parameter; it's the version of the compiler that we're
 101 # about to build.  It's included in the names of various files and
 102 # directories in the installed image.
 103 VERS=`cat $ORIG_SRC_DIR/gcc/BASE-VER`
 104 if [ -z "$VERS" ]; then
 105     exit 1
 106 fi
 107
 108 # This isn't a parameter either, it's the major version of the compiler
 109 # to be built.  It's VERS but only up to the second '.' (if there is one).
 110 MAJ_VERS=`echo $VERS | sed 's/\([0-9]*\.[0-9]*\)[.-].*/\1/'`
 111
 112 # This is the libstdc++ version to use.
 113 LIBSTDCXX_VERSION=4.0.0
 114
 115 DARWIN_VERS=`uname -r | sed 's/\..*//'`
 116 echo DARWIN_VERS = $DARWIN_VERS
 117
 118 # If the user has CC set in their environment unset it now
 119 unset CC
 120
 121 ########################################
 122 # Run the build.
 123
 124 # Create the source tree we'll actually use to build, deleting
 125 # tcl since it doesn't actually build properly in a cross environment
 126 # and we don't really need it.
 127 SRC_DIR=$DIR/src
 128 rm -rf $SRC_DIR || exit 1
 129 mkdir $SRC_DIR || exit 1
 130 ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1
 131 rm -rf $SRC_DIR/tcl $SRC_DIR/expect $SRC_DIR/dejagnu || exit 1
 132
 133 # Also remove libstdc++ since it is built from a separate project.
 134 rm -rf $SRC_DIR/libstdc++-v3 || exit 1
 135 # Clean out old specs files
 136 rm -f /usr/lib/gcc/*/4.0.0/specs
 137
 138 # These are the configure and build flags that are used.
 139
 140 if [ "x$LLVM_DEBUG" == "x" ]; then
 141     CHECKING_FLAGS="--disable-checking --enable-werror"
 142 else
 143     CHECKING_FLAGS="--enable-checking"
 144 fi
 145
 146 CONFIGFLAGS="$CHECKING_FLAGS \
 147   --prefix=$DEST_ROOT \
 148   --mandir=\${prefix}/share/man \
 149   --enable-languages=c,objc,c++,obj-c++ \
 150   --program-prefix=llvm- \
 151   --program-transform-name=/^[cg][^.-]*$/s/$/-$MAJ_VERS/ \
 152   --with-gxx-include-dir=/usr/include/c++/$LIBSTDCXX_VERSION \
 153   --with-slibdir=/usr/lib \
 154   --build=$BUILD-apple-darwin$DARWIN_VERS"
 155
 156 # LLVM LOCAL begin
 157 if [ "$ENABLE_LLVM" == true ]; then
 158   CONFIGFLAGS="$CONFIGFLAGS --enable-llvm=/usr/local"
 159 fi
 160 # LLVM LOCAL end
 161
 162 # Figure out how many make processes to run.
 163 SYSCTL=`sysctl -n hw.activecpu`
 164
 165 # hw.activecpu only available in 10.2.6 and later
 166 if [ -z "$SYSCTL" ]; then
 167   SYSCTL=`sysctl -n hw.ncpu`
 168 fi
 169
 170 # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot.
 171 # Builders can default to 2, since even if they are single processor,
 172 # nothing else is running on the machine.
 173 if [ -z "$SYSCTL" ]; then
 174   SYSCTL=2
 175 fi
 176
 177 # The $LOCAL_MAKEFLAGS variable can be used to override $MAKEFLAGS.
 178 MAKEFLAGS=${LOCAL_MAKEFLAGS-"-j $SYSCTL"}
 179
 180 # LLVM LOCAL begin
 181 if [ "$ENABLE_LLVM" == true ]; then
 182   # Build llvm-gcc in 'dylib mode'.
 183   MAKEFLAGS="$MAKEFLAGS BUILD_LLVM_INTO_A_DYLIB=1"
 184   MAKEFLAGS="$MAKEFLAGS LLVM_VERSION_INFO=$LLVM_GCC_SUBMIT_VERSION"
 185 fi
 186 # LLVM LOCAL end
 187
 188 # Build the native GCC.  Do this even if the user didn't ask for it
 189 # because it'll be needed for the bootstrap.
 190 mkdir -p $DIR/obj-$BUILD-$BUILD $DIR/dst-$BUILD-$BUILD || exit 1
 191 cd $DIR/obj-$BUILD-$BUILD || exit 1
 192 if [ \! -f Makefile ]; then
 193  $SRC_DIR/configure $bootstrap $CONFIGFLAGS \
 194    --host=$BUILD-apple-darwin$DARWIN_VERS --target=$BUILD-apple-darwin$DARWIN_VERS || exit 1
 195 fi
 196 # Unset RC_DEBUG_OPTIONS because it causes the bootstrap to fail.
 197 # Also keep unset for cross compilers so that the cross built libraries are
 198 # comparable to the native built libraries.
 199 unset RC_DEBUG_OPTIONS
 200 make $MAKEFLAGS CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 201 make $MAKEFLAGS html CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 202 make $MAKEFLAGS DESTDIR=$DIR/dst-$BUILD-$BUILD install-gcc install-target \
 203   CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 204
 205 # Add the compiler we just built to the path, giving it appropriate names.
 206 # LLVM LOCAL  Support for non /usr $DEST_ROOT
 207 D=$DIR/dst-$BUILD-$BUILD$DEST_ROOT/bin
 208 ln -f $D/llvm-gcc $D/gcc || exit 1
 209 ln -f $D/gcc $D/$BUILD-apple-darwin$DARWIN_VERS-gcc || exit 1
 210 # LLVM LOCAL  Support for non /usr $DEST_ROOT
 211 PATH=$DIR/dst-$BUILD-$BUILD$DEST_ROOT/bin:$PATH
 212
 213 # The cross-tools' build process expects to find certain programs
 214 # under names like 'i386-apple-darwin$DARWIN_VERS-ar'; so make them.
 215 # Annoyingly, ranlib changes behaviour depending on what you call it,
 216 # so we have to use a shell script for indirection, grrr.
 217 rm -rf $DIR/bin || exit 1
 218 mkdir $DIR/bin || exit 1
 219 for prog in ar nm ranlib strip lipo ld ; do
 220   for t in `echo $TARGETS $HOSTS | sort -u`; do
 221     P=$DIR/bin/${t}-apple-darwin$DARWIN_VERS-${prog}
 222     echo '#!/bin/sh' > $P || exit 1
 223     echo 'exec /usr/bin/'${prog}' "$@"' >> $P || exit 1
 224     chmod a+x $P || exit 1
 225   done
 226 done
 227 for t in `echo $1 $2 | sort -u`; do
 228   gt=`echo $t | $TRANSLATE_ARCH`
 229   P=$DIR/bin/${gt}-apple-darwin$DARWIN_VERS-as
 230   echo '#!/bin/sh' > $P || exit 1
 231
 232   echo 'for a; do case $a in -arch) exec /usr/bin/as "$@";;  esac; done' >> $P || exit 1
 233   echo 'exec /usr/bin/as -arch '${t}' "$@"' >> $P || exit 1
 234   chmod a+x $P || exit 1
 235 done
 236 PATH=$DIR/bin:$PATH
 237
 238 # Determine which cross-compilers we should build.  If our build architecture is
 239 # one of our hosts, add all of the targets to the list.
 240 if echo $HOSTS | grep $BUILD
 241 then
 242   CROSS_TARGETS=`echo $TARGETS $HOSTS | tr ' ' '\n' | sort -u`
 243 else
 244   CROSS_TARGETS="$HOSTS"
 245 fi
 246
 247 # Build the cross-compilers, using the compiler we just built.
 248 for t in $CROSS_TARGETS ; do
 249  if [ $t != $BUILD ] ; then
 250   mkdir -p $DIR/obj-$BUILD-$t $DIR/dst-$BUILD-$t || exit 1
 251    cd $DIR/obj-$BUILD-$t || exit 1
 252    if [ \! -f Makefile ]; then
 253     $SRC_DIR/configure $CONFIGFLAGS --enable-werror-always \
 254       --program-prefix=$t-apple-darwin$DARWIN_VERS- \
 255       --host=$BUILD-apple-darwin$DARWIN_VERS --target=$t-apple-darwin$DARWIN_VERS || exit 1
 256    fi
 257    make $MAKEFLAGS all CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 258    make $MAKEFLAGS DESTDIR=$DIR/dst-$BUILD-$t install-gcc install-target \
 259      CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 260
 261    # Add the compiler we just built to the path.
 262    # LLVM LOCAL  Support for non /usr $DEST_ROOT
 263    PATH=$DIR/dst-$BUILD-$t/$DEST_ROOT/bin:$PATH
 264  fi
 265 done
 266
 267 # Rearrange various libraries, for no really good reason.
 268 for t in $CROSS_TARGETS ; do
 269   DT=$DIR/dst-$BUILD-$t
 270   # LLVM LOCAL begin  Support for non /usr $DEST_ROOT
 271   D=`echo $DT/$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS`
 272   mv $D/static/libgcc.a $D/libgcc_static.a || exit 1
 273   mv $D/kext/libgcc.a $D/libcc_kext.a || exit 1
 274   rm -r $D/static $D/kext || exit 1
 275 done
 276
 277 # Build the cross-hosted compilers.
 278 for h in $HOSTS ; do
 279   if [ $h != $BUILD ] ; then
 280     for t in $TARGETS ; do
 281       mkdir -p $DIR/obj-$h-$t $DIR/dst-$h-$t || exit 1
 282       cd $DIR/obj-$h-$t || exit 1
 283       if [ $h = $t ] ; then
 284         pp=
 285       else
 286         pp=$t-apple-darwin$DARWIN_VERS-
 287       fi
 288
 289       if [ \! -f Makefile ]; then
 290         $SRC_DIR/configure $CONFIGFLAGS \
 291           --program-prefix=$pp \
 292           --host=$h-apple-darwin$DARWIN_VERS --target=$t-apple-darwin$DARWIN_VERS || exit 1
 293       fi
 294       if [ $h = $t ] ; then
 295           make $MAKEFLAGS all CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 296           make $MAKEFLAGS DESTDIR=$DIR/dst-$h-$t install-gcc install-target \
 297               CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 298       else
 299           make $MAKEFLAGS all-gcc CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 300           make $MAKEFLAGS DESTDIR=$DIR/dst-$h-$t install-gcc \
 301               CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 302       fi
 303     done
 304   fi
 305 done
 306
 307 ########################################
 308 # Construct the actual destination root, by copying stuff from
 309 # $DIR/dst-* to $DEST_DIR, with occasional 'lipo' commands.
 310
 311 cd $DEST_DIR || exit 1
 312
 313 # Clean out DEST_DIR in case -noclean was passed to buildit.
 314 rm -rf * || exit 1
 315
 316 # LLVM LOCAL begin - Don't install HTML docs.
 317 if [ "$ENABLE_LLVM" == false ]; then
 318   # HTML documentation
 319   HTMLDIR="/Developer/Documentation/DocSets/com.apple.ADC_Reference_Library.DeveloperTools.docset/Contents/Resources/Documents/documentation/DeveloperTools"
 320   mkdir -p ".$HTMLDIR" || exit 1
 321   cp -Rp $DIR/obj-$BUILD-$BUILD/gcc/HTML/* ".$HTMLDIR/" || exit 1
 322 fi
 323 # LLVM LOCAL end - Don't install docs.
 324
 325 # Manual pages
 326 mkdir -p .$DEST_ROOT/share || exit 1
 327 cp -Rp $DIR/dst-$BUILD-$BUILD$DEST_ROOT/share/man .$DEST_ROOT/share/ \
 328   || exit 1
 329 # exclude fsf-funding.7 gfdl.7 gpl.7 as they are currently built in
 330 # the gcc project
 331 rm -rf .$DEST_ROOT/share/man/man7
 332
 333 # libexec
 334 cd $DIR/dst-$BUILD-$BUILD$DEST_ROOT/libexec/gcc/$BUILD-apple-darwin$DARWIN_VERS/$VERS \
 335   || exit 1
 336 LIBEXEC_FILES=`find . -type f -print || exit 1`
 337 LIBEXEC_DIRS=`find . -type d -print || exit 1`
 338 cd $DEST_DIR || exit 1
 339 for t in $TARGETS ; do
 340   DL=$DEST_ROOT/libexec/gcc/$t-apple-darwin$DARWIN_VERS/$VERS
 341   for d in $LIBEXEC_DIRS ; do
 342     mkdir -p .$DL/$d || exit 1
 343   done
 344   for f in $LIBEXEC_FILES ; do
 345     if file $DIR/dst-*-$t$DL/$f | grep -q 'Mach-O executable' ; then
 346       lipo -output .$DL/$f -create $DIR/dst-*-$t$DL/$f || exit 1
 347     else
 348       cp -p $DIR/dst-$BUILD-$t$DL/$f .$DL/$f || exit 1
 349     fi
 350   done
 351   ln -s ../../../../bin/as .$DL/as
 352   ln -s ../../../../bin/ld .$DL/ld
 353 done
 354
 355 # bin
 356 # The native drivers ('native' is different in different architectures).
 357 BIN_FILES=`ls $DIR/dst-$BUILD-$BUILD$DEST_ROOT/bin | grep '^[^-]*-[0-9.]*$' \
 358   | grep -v gccbug | grep -v gcov || exit 1`
 359 mkdir .$DEST_ROOT/bin
 360 for f in $BIN_FILES ; do
 361   lipo -output .$DEST_ROOT/bin/$f -create $DIR/dst-*$DEST_ROOT/bin/$f || exit 1
 362 done
 363 # gcov, which is special only because it gets built multiple times and lipo
 364 # will complain if we try to add two architectures into the same output.
 365 TARG0=`echo $TARGETS | cut -d ' ' -f 1`
 366 lipo -output .$DEST_ROOT/bin/gcov-$MAJ_VERS -create \
 367   $DIR/dst-*-$TARG0$DEST_ROOT/bin/*gcov* || exit 1
 368 # The fully-named drivers, which have the same target on every host.
 369 for t in $TARGETS ; do
 370 # APPLE LOCAL LLVM build_gcc bug with non-/usr $DEST_ROOT
 371   lipo -output .$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-llvm-gcc-$MAJ_VERS -create \
 372     $DIR/dst-*-$t/$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-gcc || exit 1
 373 # APPLE LOCAL LLVM build_gcc bug with non-/usr $DEST_ROOT
 374   lipo -output .$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-llvm-g++-$MAJ_VERS -create \
 375     $DIR/dst-*-$t/$DEST_ROOT/bin/$t-apple-darwin$DARWIN_VERS-g++ || exit 1
 376 done
 377
 378 # lib
 379 mkdir -p .$DEST_ROOT/lib/gcc || exit 1
 380 for t in $TARGETS ; do
 381 # APPLE LOCAL LLVM build_gcc bug with non-/usr $DEST_ROOT
 382   cp -Rp $DIR/dst-$BUILD-$t/$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS \
 383     .$DEST_ROOT/lib/gcc || exit 1
 384 done
 385
 386 # And copy libgomp stuff by hand...
 387 for t in $TARGETS ; do
 388     for h in $HOSTS ; do
 389         if [ $h = $t ] ; then
 390             cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/libgomp.a \
 391                 .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ || exit 1
 392             cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/libgomp.spec \
 393                 .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ || exit 1
 394             if [ $h = 'powerpc' ] ; then
 395                 cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/ppc64/libgomp.a \
 396                     .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ppc64/ || exit 1
 397                 cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/ppc64/libgomp.spec \
 398                     .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ppc64/ || exit 1
 399             elif [ $h = 'i686' ] ; then
 400                 cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/x86_64/libgomp.a \
 401                     .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/x86_64/ || exit 1
 402                 cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/x86_64/libgomp.spec \
 403                     .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/x86_64/ || exit 1
 404             fi
 405         fi
 406     done
 407 done
 408
 409 for t in $TARGETS ; do
 410   cp -p /usr/lib/libstdc++.6.dylib \
 411     .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/libstdc++.dylib \
 412     || exit 1
 413 # LLVM LOCAL
 414 #  strip -x -c .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/libstdc++.dylib || exit 1
 415 done
 416
 417 # include
 418 HEADERPATH=$DEST_ROOT/include/gcc/darwin/$MAJ_VERS
 419 mkdir -p .$HEADERPATH || exit 1
 420
 421 # Some headers are installed from more-hdrs/.  They all share
 422 # one common feature: they shouldn't be installed here.  Sometimes,
 423 # they should be part of FSF GCC and installed from there; sometimes,
 424 # they should be installed by some completely different package; sometimes,
 425 # they only exist for codewarrior compatibility and codewarrior should provide
 426 # its own.  We take care not to install the headers if Libc is already
 427 # providing them.
 428 cd $SRC_DIR/more-hdrs
 429 for h in `echo *.h` ; do
 430   if [ ! -f /usr/include/$h -o -L /usr/include/$h ] ; then
 431     cp -R $h $DEST_DIR$HEADERPATH/$h || exit 1
 432     for t in $TARGETS ; do
 433       THEADERPATH=$DEST_DIR$DEST_ROOT/lib/gcc/${t}-apple-darwin$DARWIN_VERS/$VERS/include
 434       [ -f $THEADERPATH/$h ] || \
 435         ln -s ../../../../../include/gcc/darwin/$MAJ_VERS/$h $THEADERPATH/$h || \
 436         exit 1
 437     done
 438   fi
 439 done
 440
 441 # Add extra man page symlinks for 'c++' and for arch-specific names.
 442 MDIR=$DEST_DIR$DEST_ROOT/share/man/man1
 443 ln -f $MDIR/llvm-g++.1 $MDIR/llvm-c++.1 || exit 1
 444 for t in $TARGETS ; do
 445   ln -f $MDIR/llvm-gcc.1 $MDIR/$t-apple-darwin$DARWIN_VERS-llvm-gcc.1 \
 446       || exit 1
 447   ln -f $MDIR/llvm-g++.1 $MDIR/$t-apple-darwin$DARWIN_VERS-llvm-g++.1 \
 448       || exit 1
 449 done
 450
 451 # Build driver-driver using fully-named drivers
 452 for h in $HOSTS ; do
 453     $h-apple-darwin$DARWIN_VERS-gcc \
 454         $ORIG_SRC_DIR/driverdriver.c                               \
 455         -DPDN="\"-apple-darwin$DARWIN_VERS-llvm-gcc-$MAJ_VERS\""                                    \
 456         -DIL="\"$DEST_ROOT/bin/\"" -I  $ORIG_SRC_DIR/include                   \
 457         -I  $ORIG_SRC_DIR/gcc -I  $ORIG_SRC_DIR/gcc/config                     \
 458         -liberty -L$DIR/dst-$BUILD-$h$DEST_ROOT/lib/                           \
 459         -L$DIR/dst-$BUILD-$h$DEST_ROOT/$h-apple-darwin$DARWIN_VERS/lib/                    \
 460         -L$DIR/obj-$h-$BUILD/libiberty/                                        \
 461         -o $DEST_DIR/$DEST_ROOT/bin/tmp-$h-llvm-gcc-$MAJ_VERS || exit 1
 462
 463     $h-apple-darwin$DARWIN_VERS-gcc \
 464         $ORIG_SRC_DIR/driverdriver.c                               \
 465         -DPDN="\"-apple-darwin$DARWIN_VERS-llvm-g++-$MAJ_VERS\""                                    \
 466         -DIL="\"$DEST_ROOT/bin/\"" -I  $ORIG_SRC_DIR/include                   \
 467         -I  $ORIG_SRC_DIR/gcc -I  $ORIG_SRC_DIR/gcc/config                     \
 468         -liberty -L$DIR/dst-$BUILD-$h$DEST_ROOT/lib/                           \
 469         -L$DIR/dst-$BUILD-$h$DEST_ROOT/$h-apple-darwin$DARWIN_VERS/lib/                    \
 470         -L$DIR/obj-$h-$BUILD/libiberty/                                        \
 471         -o $DEST_DIR/$DEST_ROOT/bin/tmp-$h-llvm-g++-$MAJ_VERS || exit 1
 472 done
 473
 474 lipo -output $DEST_DIR/$DEST_ROOT/bin/llvm-gcc-$MAJ_VERS -create \
 475   $DEST_DIR/$DEST_ROOT/bin/tmp-*-llvm-gcc-$MAJ_VERS || exit 1
 476
 477 lipo -output $DEST_DIR/$DEST_ROOT/bin/llvm-g++-$MAJ_VERS -create \
 478   $DEST_DIR/$DEST_ROOT/bin/tmp-*-llvm-g++-$MAJ_VERS || exit 1
 479
 480 ln -f $DEST_DIR/$DEST_ROOT/bin/llvm-g++-$MAJ_VERS $DEST_DIR/$DEST_ROOT/bin/llvm-c++-$MAJ_VERS || exit 1
 481
 482 rm $DEST_DIR/$DEST_ROOT/bin/tmp-*-llvm-gcc-$MAJ_VERS || exit 1
 483 rm $DEST_DIR/$DEST_ROOT/bin/tmp-*-llvm-g++-$MAJ_VERS || exit 1
 484
 485 ########################################
 486 # Create SYM_DIR with information required for debugging.
 487
 488 cd $SYM_DIR || exit 1
 489
 490 # Clean out SYM_DIR in case -noclean was passed to buildit.
 491 rm -rf * || exit 1
 492
 493 # Generate .dSYM files
 494 find $DEST_DIR -perm -0111 \! -name fixinc.sh \
 495     \! -name mkheaders -type f -print | xargs -n 1 -P ${SYSCTL} dsymutil
 496
 497 # Save .dSYM files and .a archives
 498 cd $DEST_DIR || exit 1
 499 find . \( -path \*.dSYM/\* -or -name \*.a \) -print \
 500   | cpio -pdml $SYM_DIR || exit 1
 501 # Save source files.
 502 mkdir $SYM_DIR/src || exit 1
 503 cd $DIR || exit 1
 504 find obj-* -name \*.\[chy\] -print | cpio -pdml $SYM_DIR/src || exit 1
 505
 506 ########################################
 507 # Remove debugging information from DEST_DIR.
 508
 509 find $DEST_DIR -perm -0111 \! -name \*.dylib \! -name fixinc.sh \
 510     \! -name mkheaders \! -name libstdc++.dylib -type f -print \
 511   | xargs strip || exit 1
 512 # APPLE LOCAL begin LLVM - Strip with -Sx instead of -SX
 513 find $DEST_DIR \( -name \*.a -or -name \*.dylib \) \
 514     \! -name libgcc_s.10.*.dylib -type f -print \
 515   | xargs strip -SX || exit 1
 516 # APPLE LOCAL end LLVM - Strip with -Sx instead of -SX
 517 find $DEST_DIR -name \*.a -type f -print \
 518   | xargs ranlib || exit 1
 519
 520 # APPLE LOCAL begin LLVM
 521 # Set up the llvm-gcc/llvm-g++ symlinks.
 522 mkdir -p $DEST_DIR$LLVM_BIN_DIR
 523 cd $DEST_DIR$LLVM_BIN_DIR
 524 ln -s -f ../../../$DEST_ROOT/bin/llvm-gcc-$MAJ_VERS llvm-gcc-$MAJ_VERS || exit 1
 525 ln -s -f ../../../$DEST_ROOT/bin/llvm-g++-$MAJ_VERS llvm-g++-$MAJ_VERS || exit 1
 526
 527   # Copy one of the libllvmgcc.dylib's up to libexec/gcc.
 528 cp $DEST_DIR/$DEST_ROOT/libexec/gcc/$BUILD-apple-darwin$DARWIN_VERS/$VERS/libllvmgcc.dylib \
 529     $DEST_DIR/$DEST_ROOT/libexec/gcc/
 530
 531   # Replace the installed ones with symlinks to the common one.
 532 for t in $TARGETS ; do
 533     cd $DEST_DIR/$DEST_ROOT/libexec/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/
 534     rm libllvmgcc.dylib
 535     ln -s ../../libllvmgcc.dylib
 536 done
 537 # APPLE LOCAL end LLVM
 538
 539 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
 540 chgrp -h -R wheel $DEST_DIR
 541 chgrp -R wheel $DEST_DIR
 542
 543 # Done!
 544 exit 0