X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=utils%2Frelease%2Ftest-release.sh;h=82264bc09992ae5d2baf81e0a3b6557cf0f5e865;hp=b0b6e0d65adc5dcd3837a77a6490acd370fac24a;hb=186b3e7e9e1ecb9e90a7e59487266108a16fda03;hpb=8be4e032bd178d825bf28a7eeb39e5390cc7a507

diff --git a/utils/release/test-release.sh b/utils/release/test-release.sh
old mode 100644
new mode 100755
index b0b6e0d65ad..82264bc0999
--- a/utils/release/test-release.sh
+++ b/utils/release/test-release.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #===-- test-release.sh - Test the LLVM release candidates ------------------===#
 #
 #                     The LLVM Compiler Infrastructure
@@ -12,42 +12,87 @@
 #
 #===------------------------------------------------------------------------===#
 
-set -e
+if [ `uname -s` = "FreeBSD" ]; then
+    MAKE=gmake
+else
+    MAKE=make
+fi
+
+projects="llvm cfe compiler-rt libcxx libcxxabi test-suite clang-tools-extra libunwind"
+
+# Base SVN URL for the sources.
+Base_url="http://llvm.org/svn/llvm-project"
 
 Release=""
 Release_no_dot=""
 RC=""
+Triple=""
+use_gzip="no"
 do_checkout="yes"
-do_ada="no"
-do_objc="yes"
-do_fortran="yes"
-do_64bit="yes"
+do_debug="no"
+do_asserts="no"
+do_compare="yes"
 BuildDir="`pwd`"
+use_autoconf="no"
+ExtraConfigureFlags=""
+ExportBranch=""
 
 function usage() {
-    echo "usage: `basename $0` -release X.Y -rc NUM [OPTIONS]"
+    echo "usage: `basename $0` -release X.Y.Z -rc NUM [OPTIONS]"
     echo ""
-    echo " -release X.Y      The release number to test."
-    echo " -rc NUM           The pre-release candidate number."
-    echo " -j NUM            Number of compile jobs to run. [default: 3]"
-    echo " -build-dir DIR    Directory to perform testing in. [default: pwd]"
-    echo " -no-checkout      Don't checkout the sources from SVN."
-    echo " -no-64bit         Don't test the 64-bit version. [default: yes]"
-    echo " -ada              Build Ada. [default: no]"
-    echo " -disable-objc     Disable ObjC build. [default: build]"
-    echo " -disable-fortran  Disable Fortran build. [default: build]"
+    echo " -release X.Y.Z       The release version to test."
+    echo " -rc NUM              The pre-release candidate number."
+    echo " -final               The final release candidate."
+    echo " -triple TRIPLE       The target triple for this machine."
+    echo " -j NUM               Number of compile jobs to run. [default: 3]"
+    echo " -build-dir DIR       Directory to perform testing in. [default: pwd]"
+    echo " -no-checkout         Don't checkout the sources from SVN."
+    echo " -test-debug          Test the debug build. [default: no]"
+    echo " -test-asserts        Test with asserts on. [default: no]"
+    echo " -no-compare-files    Don't test that phase 2 and 3 files are identical."
+    echo " -use-gzip            Use gzip instead of xz."
+    echo " -configure-flags FLAGS  Extra flags to pass to the configure step."
+    echo " -use-autoconf        Use autoconf instead of cmake"
+    echo " -svn-path DIR        Use the specified DIR instead of a release."
+    echo "                      For example -svn-path trunk or -svn-path branches/release_37"
 }
 
+if [ `uname -s` = "Darwin" ]; then
+  # compiler-rt doesn't yet build with CMake on Darwin.
+  use_autoconf="yes"
+fi
+
 while [ $# -gt 0 ]; do
     case $1 in
         -release | --release )
             shift
             Release="$1"
-            Release_no_dot="`echo $1 | sed -e 's,\.,,'`"
+            Release_no_dot="`echo $1 | sed -e 's,\.,,g'`"
             ;;
         -rc | --rc | -RC | --RC )
             shift
-            RC=$1
+            RC="rc$1"
+            ;;
+        -final | --final )
+            RC=final
+            ;;
+        -svn-path | --svn-path )
+            shift
+            Release="test"
+            Release_no_dot="test"
+            ExportBranch="$1"
+            RC="`echo $ExportBranch | sed -e 's,/,_,g'`"
+            echo "WARNING: Using the branch $ExportBranch instead of a release tag"
+            echo "         This is intended to aid new packagers in trialing "
+            echo "         builds without requiring a tag to be created first"
+            ;;
+        -triple | --triple )
+            shift
+            Triple="$1"
+            ;;
+        -configure-flags | --configure-flags )
+            shift
+            ExtraConfigureFlags="$1"
             ;;
         -j* )
             NumJobs="`echo $1 | sed -e 's,-j\([0-9]*\),\1,g'`"
@@ -63,19 +108,20 @@ while [ $# -gt 0 ]; do
         -no-checkout | --no-checkout )
             do_checkout="no"
             ;;
-        -no-64bit | --no-64bit )
-            do_64bit="no"
+        -test-debug | --test-debug )
+            do_debug="yes"
+            ;;
+        -test-asserts | --test-asserts )
+            do_asserts="yes"
             ;;
-        -ada | --ada )
-            do_ada="yes"
+        -no-compare-files | --no-compare-files )
+            do_compare="no"
             ;;
-        -disable-objc | --disable-objc )
-            do_objc="no"
+        -use-gzip | --use-gzip )
+            use_gzip="yes"
             ;;
-        -disable-fortran | --disable-fortran )
-            echo "WARNING: Do you *really* need to disable Fortran?"
-            sleep 5
-            do_fortran="no"
+        -use-autoconf | --use-autoconf )
+            use_autoconf="yes"
             ;;
         -help | --help | -h | --h | -\? )
             usage
@@ -92,11 +138,18 @@ done
 
 # Check required arguments.
 if [ -z "$Release" ]; then
-    echo "No release number specified!"
+    echo "error: no release number specified"
     exit 1
 fi
 if [ -z "$RC" ]; then
-    echo "No release candidate number specified!"
+    echo "error: no release candidate number specified"
+    exit 1
+fi
+if [ -z "$ExportBranch" ]; then
+    ExportBranch="tags/RELEASE_$Release_no_dot/$RC"
+fi
+if [ -z "$Triple" ]; then
+    echo "error: no target triple specified"
     exit 1
 fi
 
@@ -114,123 +167,169 @@ if [ -z "$NumJobs" ]; then
     NumJobs=3
 fi
 
-# Location of sources.
-llvmCore_srcdir=$BuildDir/llvmCore-$Release-rc$RC.src
-llvmgcc42_srcdir=$BuildDir/llvmgcc42-$Release-rc$RC.src
+# Go to the build directory (may be different from CWD)
+BuildDir=$BuildDir/$RC
+mkdir -p $BuildDir
+cd $BuildDir
 
 # Location of log files.
-LogDirName="$Release-rc$RC.logs"
-LogDir=$BuildDir/$LogDirName
+LogDir=$BuildDir/logs
 mkdir -p $LogDir
 
-# SVN URLs for the sources.
-Base_url="http://llvm.org/svn/llvm-project"
-llvmCore_RC_url="$Base_url/llvm/tags/RELEASE_$Release_no_dot/rc$RC"
-llvmgcc42_RC_url="$Base_url/llvm-gcc-4.2/tags/RELEASE_$Release_no_dot/rc$RC"
-clang_RC_url="$Base_url/cfe/tags/RELEASE_$Release_no_dot/rc$RC"
-test_suite_RC_url="$Base_url/test-suite/tags/RELEASE_$Release_no_dot/rc$RC"
+# Final package name.
+Package=clang+llvm-$Release
+if [ $RC != "final" ]; then
+  Package=$Package-$RC
+fi
+Package=$Package-$Triple
+
+# Make sure that a required program is available
+function check_program_exists() {
+  local program="$1"
+  if ! type -P $program > /dev/null 2>&1 ; then
+    echo "program '$1' not found !"
+    exit 1
+  fi
+}
+
+if [ `uname -s` != "Darwin" ]; then
+  check_program_exists 'chrpath'
+  check_program_exists 'file'
+  check_program_exists 'objdump'
+fi
 
 # Make sure that the URLs are valid.
 function check_valid_urls() {
-    echo "# Validating SVN URLs"
-    if ! svn ls $llvmCore_RC_url > /dev/null 2>&1 ; then
-        echo "llvm $Release release candidate $RC doesn't exist!"
-        exit 1
-    fi
-    if ! svn ls $llvmgcc42_RC_url > /dev/null 2>&1 ; then
-        echo "llvm-gcc-4.2 $Release release candidate $RC doesn't exist!"
-        exit 1
-    fi
-    if ! svn ls $clang_RC_url > /dev/null 2>&1 ; then
-        echo "clang $Release release candidate $RC doesn't exist!"
-        exit 1
-    fi
-    if ! svn ls $test_suite_RC_url > /dev/null 2>&1 ; then
-        echo "test-suite $Release release candidate $RC doesn't exist!"
-        exit 1
-    fi
+    for proj in $projects ; do
+        echo "# Validating $proj SVN URL"
+
+        if ! svn ls $Base_url/$proj/$ExportBranch > /dev/null 2>&1 ; then
+            echo "$proj does not have a $ExportBranch branch/tag!"
+            exit 1
+        fi
+    done
 }
 
-# Export sources to the the build directory.
+# Export sources to the build directory.
 function export_sources() {
     check_valid_urls
 
-    echo "# Exporting llvm $Release-RC$RC sources"
-    svn export -q $llvmCore_RC_url $llvmCore_srcdir
-    echo "# Exporting llvm-gcc-4.2 $Release-rc$RC  sources"
-    svn export -q $llvmgcc42_RC_url $llvmgcc42_srcdir
-    echo "# Exporting clang $Release-rc$RC sources"
-    svn export -q $clang_RC_url $llvmCore_srcdir/tools/clang
-    echo "# Exporting llvm test suite $Release-rc$RC sources"
-    svn export -q $test_suite_RC_url $llvmCore_srcdir/projects/llvm-test
+    for proj in $projects ; do
+        echo "# Exporting $proj $Release-$RC sources"
+        if ! svn export -q $Base_url/$proj/$ExportBranch $proj.src ; then
+            echo "error: failed to export $proj project"
+            exit 1
+        fi
+    done
+
+    echo "# Creating symlinks"
+    cd $BuildDir/llvm.src/tools
+    if [ ! -h clang ]; then
+        ln -s ../../cfe.src clang
+    fi
+    cd $BuildDir/llvm.src/tools/clang/tools
+    if [ ! -h clang-tools-extra ]; then
+        ln -s ../../../../clang-tools-extra.src extra
+    fi
+    cd $BuildDir/llvm.src/projects
+    if [ ! -h test-suite ]; then
+        ln -s ../../test-suite.src test-suite
+    fi
+    if [ ! -h compiler-rt ]; then
+        ln -s ../../compiler-rt.src compiler-rt
+    fi
+    if [ ! -h libcxx ]; then
+        ln -s ../../libcxx.src libcxx
+    fi
+    if [ ! -h libcxxabi ]; then
+        ln -s ../../libcxxabi.src libcxxabi
+    fi
+    if [ ! -h libunwind ]; then
+        ln -s ../../libunwind.src libunwind
+    fi
+
+    cd $BuildDir
 }
 
 function configure_llvmCore() {
     Phase="$1"
     Flavor="$2"
     ObjDir="$3"
-    InstallDir="$4"
-    llvmgccDir="$5"
 
     case $Flavor in
-        Release | Release-64 )
-            Optimized="yes"
-            Assertions="yes"
+        Release )
+            BuildType="Release"
+            Assertions="OFF"
+            ConfigureFlags="--enable-optimized --disable-assertions"
             ;;
-        Release-Asserts )
-            Optimized="yes"
-            Assertions="no"
+        Release+Asserts )
+            BuildType="Release"
+            Assertions="ON"
+            ConfigureFlags="--enable-optimized --enable-assertions"
             ;;
         Debug )
-            Optimized="no"
-            Assertions="yes"
+            BuildType="Debug"
+            Assertions="ON"
+            ConfigureFlags="--disable-optimized --enable-assertions"
             ;;
         * )
-            echo "# Invalid flavor $Flavor!"
+            echo "# Invalid flavor '$Flavor'"
             echo ""
             return
             ;;
     esac
 
+    echo "# Using C compiler: $c_compiler"
+    echo "# Using C++ compiler: $cxx_compiler"
+
     cd $ObjDir
-    echo "# Configuring llvm $Release-rc$RC $Flavor"
-    echo "# $llvmCore_srcdir/configure --prefix=$InstallDir \
-        --enable-optimized=$Optimized \
-        --enable-assertions=$Assertions \
-        --with-llvmgccdir=$llvmgccDir"
-    $llvmCore_srcdir/configure --prefix=$InstallDir \
-        --enable-optimized=$Optimized \
-        --enable-assertions=$Assertions \
-        --with-llvmgccdir=$llvmgccDir \
-        > $LogDir/llvm.configure.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-    cd -
+    echo "# Configuring llvm $Release-$RC $Flavor"
+
+    if [ "$use_autoconf" = "yes" ]; then
+        echo "#" env CC="$c_compiler" CXX="$cxx_compiler" \
+            $BuildDir/llvm.src/configure \
+            $ConfigureFlags --disable-timestamps $ExtraConfigureFlags \
+            2>&1 | tee $LogDir/llvm.configure-Phase$Phase-$Flavor.log
+        env CC="$c_compiler" CXX="$cxx_compiler" \
+            $BuildDir/llvm.src/configure \
+            $ConfigureFlags --disable-timestamps $ExtraConfigureFlags \
+            2>&1 | tee $LogDir/llvm.configure-Phase$Phase-$Flavor.log
+    else
+        echo "#" env CC="$c_compiler" CXX="$cxx_compiler" \
+            cmake -G "Unix Makefiles" \
+            -DCMAKE_BUILD_TYPE=$BuildType -DLLVM_ENABLE_ASSERTIONS=$Assertions \
+            -DLLVM_ENABLE_TIMESTAMPS=OFF -DLLVM_CONFIGTIME="(timestamp not enabled)" \
+            $ExtraConfigureFlags $BuildDir/llvm.src \
+            2>&1 | tee $LogDir/llvm.configure-Phase$Phase-$Flavor.log
+        env CC="$c_compiler" CXX="$cxx_compiler" \
+            cmake -G "Unix Makefiles" \
+            -DCMAKE_BUILD_TYPE=$BuildType -DLLVM_ENABLE_ASSERTIONS=$Assertions \
+            -DLLVM_ENABLE_TIMESTAMPS=OFF -DLLVM_CONFIGTIME="(timestamp not enabled)" \
+            $ExtraConfigureFlags $BuildDir/llvm.src \
+            2>&1 | tee $LogDir/llvm.configure-Phase$Phase-$Flavor.log
+    fi
+
+    cd $BuildDir
 }
 
 function build_llvmCore() {
     Phase="$1"
     Flavor="$2"
     ObjDir="$3"
-    ExtraOpts=""
-
-    CompilerFlags=""
-    if [ "$Phase" = "2" ]; then
-        CompilerFlags="CC=$llvmgccDir/bin/llvm-gcc CXX=$llvmgccDir/bin/llvm-g++"
-    fi
-    if [ "$Flavor" = "Release-64" ]; then
-        ExtraOpts="EXTRA_OPTIONS=-m64"
-    fi
+    DestDir="$4"
 
     cd $ObjDir
-    echo "# Compiling llvm $Release-rc$RC $Flavor"
-    echo "# make -j $NumJobs VERBOSE=1 $ExtraOpts"
-    make -j $NumJobs VERBOSE=1 $ExtraOpts $CompilerFlags \
-        > $LogDir/llvm.make.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-
-    echo "# Installing llvm $Release-rc$RC $Flavor"
-    echo "# make install"
-    make install \
-        > $LogDir/llvm.install.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-    cd -
+    echo "# Compiling llvm $Release-$RC $Flavor"
+    echo "# ${MAKE} -j $NumJobs VERBOSE=1"
+    ${MAKE} -j $NumJobs VERBOSE=1 \
+        2>&1 | tee $LogDir/llvm.make-Phase$Phase-$Flavor.log
+
+    echo "# Installing llvm $Release-$RC $Flavor"
+    echo "# ${MAKE} install"
+    ${MAKE} install \
+        DESTDIR="${DestDir}" \
+        2>&1 | tee $LogDir/llvm.install-Phase$Phase-$Flavor.log
+    cd $BuildDir
 }
 
 function test_llvmCore() {
@@ -239,160 +338,173 @@ function test_llvmCore() {
     ObjDir="$3"
 
     cd $ObjDir
-    make check \
-        > $LogDir/llvm.check.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-    make -C tools/clang test \
-        > $LogDir/clang.check.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-    make unittests \
-        > $LogDir/llvm.unittests.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-    cd -
-}
-
-function configure_llvm_gcc() {
-    Phase="$1"
-    Flavor="$2"
-    ObjDir="$3"
-    InstallDir="$4"
-    llvmObjDir="$5"
+    ${MAKE} -j $NumJobs -k check-all \
+        2>&1 | tee $LogDir/llvm.check-Phase$Phase-$Flavor.log
 
-    languages="c,c++"
-    if [ "$do_objc" = "yes" ]; then
-        languages="$languages,objc,obj-c++"
-    fi
-    if [ "$do_fortran" = "yes" ]; then
-        languages="$languages,fortran"
-    fi
-    if [ "$do_ada" = "yes" ]; then
-        languages="$languages,ada"
+    if [ "$use_autoconf" = "yes" ]; then
+        # In the cmake build, unit tests are run as part of check-all.
+        ${MAKE} -k unittests \
+            2>&1 | tee $LogDir/llvm.unittests-Phase$Phase-$Flavor.log
     fi
 
-    cd $ObjDir
-    echo "# Configuring llvm-gcc $Release-rc$RC $Flavor"
-    echo "# $llvmgcc42_srcdir/configure --prefix=$InstallDir \
-        --program-prefix=llvm- --enable-llvm=$llvmObjDir \
-        --enable-languages=$languages"
-    $llvmgcc42_srcdir/configure --prefix=$InstallDir \
-        --program-prefix=llvm- --enable-llvm=$llvmObjDir \
-        --enable-languages=$languages \
-        > $LogDir/llvm-gcc.configure.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-    cd -
+    cd $BuildDir
 }
 
-function build_llvm_gcc() {
-    Phase="$1"
-    Flavor="$2"
-    ObjDir="$3"
-    llvmgccDir="$4"
-
-    CompilerFlags=""
-    if [ "$Phase" = "2" ]; then
-        CompilerFlags="CC=$llvmgccDir/bin/llvm-gcc CXX=$llvmgccDir/bin/llvm-g++"
+# Clean RPATH. Libtool adds the build directory to the search path, which is
+# not necessary --- and even harmful --- for the binary packages we release.
+function clean_RPATH() {
+  if [ `uname -s` = "Darwin" ]; then
+    return
+  fi
+  local InstallPath="$1"
+  for Candidate in `find $InstallPath/{bin,lib} -type f`; do
+    if file $Candidate | grep ELF | egrep 'executable|shared object' > /dev/null 2>&1 ; then
+      rpath=`objdump -x $Candidate | grep 'RPATH' | sed -e's/^ *RPATH *//'`
+      if [ -n "$rpath" ]; then
+        newrpath=`echo $rpath | sed -e's/.*\(\$ORIGIN[^:]*\).*/\1/'`
+        chrpath -r $newrpath $Candidate 2>&1 > /dev/null 2>&1
+      fi
     fi
+  done
+}
 
-    cd $ObjDir
-    echo "# Compiling llvm-gcc $Release-rc$RC $Flavor"
-    echo "# make -j $NumJobs bootstrap LLVM_VERSION_INFO=$Release"
-    make -j $NumJobs bootstrap LLVM_VERSION_INFO=$Release $CompilerFlags \
-        > $LogDir/llvm-gcc.make.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-
-    echo "# Installing llvm-gcc $Release-rc$RC $Flavor"
-    echo "# make install"
-    make install \
-        > $LogDir/llvm-gcc.install.$Release-rc$RC-Phase$Phase-$Flavor.log 2>&1
-    cd -
+# Create a package of the release binaries.
+function package_release() {
+    cwd=`pwd`
+    cd $BuildDir/Phase3/Release
+    mv llvmCore-$Release-$RC.install/usr/local $Package
+    if [ "$use_gzip" = "yes" ]; then
+      tar cfz $BuildDir/$Package.tar.gz $Package
+    else
+      tar cfJ $BuildDir/$Package.tar.xz $Package
+    fi
+    mv $Package llvmCore-$Release-$RC.install/usr/local
+    cd $cwd
 }
 
+# Exit if any command fails
+# Note: pipefail is necessary for running build commands through
+# a pipe (i.e. it changes the output of ``false | tee /dev/null ; echo $?``)
+set -e
+set -o pipefail
+
 if [ "$do_checkout" = "yes" ]; then
     export_sources
 fi
 
 (
-Flavors="Debug Release Release-Asserts"
-if [ "$do_64bit" = "yes" ]; then
-    Flavors="$Flavors Release-64"
+Flavors="Release"
+if [ "$do_debug" = "yes" ]; then
+    Flavors="Debug $Flavors"
+fi
+if [ "$do_asserts" = "yes" ]; then
+    Flavors="$Flavors Release+Asserts"
 fi
 
 for Flavor in $Flavors ; do
     echo ""
     echo ""
     echo "********************************************************************************"
-    echo "  Release:     $Release-rc$RC"
+    echo "  Release:     $Release-$RC"
     echo "  Build:       $Flavor"
     echo "  System Info: "
     echo "    `uname -a`"
     echo "********************************************************************************"
     echo ""
 
-    llvmCore_phase1_objdir=$BuildDir/Phase1/$Flavor/llvmCore-$Release-rc$RC.obj
-    llvmCore_phase1_installdir=$BuildDir/Phase1/$Flavor/llvmCore-$Release-rc$RC.install
+    c_compiler="$CC"
+    cxx_compiler="$CXX"
 
-    llvmCore_phase2_objdir=$BuildDir/Phase2/$Flavor/llvmCore-$Release-rc$RC.obj
-    llvmCore_phase2_installdir=$BuildDir/Phase2/$Flavor/llvmCore-$Release-rc$RC.install
+    llvmCore_phase1_objdir=$BuildDir/Phase1/$Flavor/llvmCore-$Release-$RC.obj
+    llvmCore_phase1_destdir=$BuildDir/Phase1/$Flavor/llvmCore-$Release-$RC.install
+
+    llvmCore_phase2_objdir=$BuildDir/Phase2/$Flavor/llvmCore-$Release-$RC.obj
+    llvmCore_phase2_destdir=$BuildDir/Phase2/$Flavor/llvmCore-$Release-$RC.install
+
+    llvmCore_phase3_objdir=$BuildDir/Phase3/$Flavor/llvmCore-$Release-$RC.obj
+    llvmCore_phase3_destdir=$BuildDir/Phase3/$Flavor/llvmCore-$Release-$RC.install
 
     rm -rf $llvmCore_phase1_objdir
-    rm -rf $llvmCore_phase1_installdir
-    rm -rf $llvmCore_phase2_objdir
-    rm -rf $llvmCore_phase2_installdir
+    rm -rf $llvmCore_phase1_destdir
 
-    mkdir -p $llvmCore_phase1_objdir
-    mkdir -p $llvmCore_phase1_installdir
-    mkdir -p $llvmCore_phase2_objdir
-    mkdir -p $llvmCore_phase2_installdir
+    rm -rf $llvmCore_phase2_objdir
+    rm -rf $llvmCore_phase2_destdir
 
-    llvmgcc42_phase1_objdir=$BuildDir/Phase1/$Flavor/llvmgcc42-$Release-rc$RC.obj
-    llvmgcc42_phase1_installdir=$BuildDir/Phase1/$Flavor/llvmgcc42-$Release-rc$RC.install
+    rm -rf $llvmCore_phase3_objdir
+    rm -rf $llvmCore_phase3_destdir
 
-    llvmgcc42_phase2_objdir=$BuildDir/Phase2/$Flavor/llvmgcc42-$Release-rc$RC.obj
-    llvmgcc42_phase2_installdir=$BuildDir/Phase2/$Flavor/llvmgcc42-$Release-rc$RC.install
+    mkdir -p $llvmCore_phase1_objdir
+    mkdir -p $llvmCore_phase1_destdir
 
-    rm -rf $llvmgcc42_phase1_objdir
-    rm -rf $llvmgcc42_phase1_installdir
-    rm -rf $llvmgcc42_phase2_objdir
-    rm -rf $llvmgcc42_phase2_installdir
+    mkdir -p $llvmCore_phase2_objdir
+    mkdir -p $llvmCore_phase2_destdir
 
-    mkdir -p $llvmgcc42_phase1_objdir
-    mkdir -p $llvmgcc42_phase1_installdir
-    mkdir -p $llvmgcc42_phase2_objdir
-    mkdir -p $llvmgcc42_phase2_installdir
+    mkdir -p $llvmCore_phase3_objdir
+    mkdir -p $llvmCore_phase3_destdir
 
     ############################################################################
-    # Phase 1: Build llvmCore and llvmgcc42
+    # Phase 1: Build llvmCore and clang
     echo "# Phase 1: Building llvmCore"
-    configure_llvmCore 1 $Flavor \
-        $llvmCore_phase1_objdir $llvmCore_phase1_installdir \
-        $llvmgcc42_phase1_installdir
+    configure_llvmCore 1 $Flavor $llvmCore_phase1_objdir
     build_llvmCore 1 $Flavor \
-        $llvmCore_phase1_objdir
+        $llvmCore_phase1_objdir $llvmCore_phase1_destdir
+    clean_RPATH $llvmCore_phase1_destdir/usr/local
 
-    echo "# Phase 1: Building llvmgcc42"
-    configure_llvm_gcc 1 $Flavor \
-        $llvmgcc42_phase1_objdir $llvmgcc42_phase1_installdir \
-        $llvmCore_phase1_objdir
-    build_llvm_gcc 1 $Flavor \
-        $llvmgcc42_phase1_objdir $llvmgcc42_phase1_installdir
-
-    ############################################################################
-    # Phase 2: Build llvmCore with newly built llvmgcc42 from phase 1.
+    ########################################################################
+    # Phase 2: Build llvmCore with newly built clang from phase 1.
+    c_compiler=$llvmCore_phase1_destdir/usr/local/bin/clang
+    cxx_compiler=$llvmCore_phase1_destdir/usr/local/bin/clang++
     echo "# Phase 2: Building llvmCore"
-    configure_llvmCore 2 $Flavor \
-        $llvmCore_phase2_objdir $llvmCore_phase2_installdir \
-        $llvmgcc42_phase1_installdir
+    configure_llvmCore 2 $Flavor $llvmCore_phase2_objdir
     build_llvmCore 2 $Flavor \
-        $llvmCore_phase2_objdir
+        $llvmCore_phase2_objdir $llvmCore_phase2_destdir
+    clean_RPATH $llvmCore_phase2_destdir/usr/local
+
+    ########################################################################
+    # Phase 3: Build llvmCore with newly built clang from phase 2.
+    c_compiler=$llvmCore_phase2_destdir/usr/local/bin/clang
+    cxx_compiler=$llvmCore_phase2_destdir/usr/local/bin/clang++
+    echo "# Phase 3: Building llvmCore"
+    configure_llvmCore 3 $Flavor $llvmCore_phase3_objdir
+    build_llvmCore 3 $Flavor \
+        $llvmCore_phase3_objdir $llvmCore_phase3_destdir
+    clean_RPATH $llvmCore_phase3_destdir/usr/local
+
+    ########################################################################
+    # Testing: Test phase 3
+    echo "# Testing - built with clang"
+    test_llvmCore 3 $Flavor $llvmCore_phase3_objdir
+
+    ########################################################################
+    # Compare .o files between Phase2 and Phase3 and report which ones
+    # differ.
+    if [ "$do_compare" = "yes" ]; then
+        echo
+        echo "# Comparing Phase 2 and Phase 3 files"
+        for p2 in `find $llvmCore_phase2_objdir -name '*.o'` ; do
+            p3=`echo $p2 | sed -e 's,Phase2,Phase3,'`
+            # Substitute 'Phase2' for 'Phase3' in the Phase 2 object file in
+            # case there are build paths in the debug info. On some systems,
+            # sed adds a newline to the output, so pass $p3 through sed too.
+            if ! cmp -s <(sed -e 's,Phase2,Phase3,g' $p2) <(sed -e '' $p3) \
+                    16 16 ; then
+                echo "file `basename $p2` differs between phase 2 and phase 3"
+            fi
+        done
+    fi
+done
+) 2>&1 | tee $LogDir/testing.$Release-$RC.log
 
-    echo "# Phase 2: Building llvmgcc42"
-    configure_llvm_gcc 2 $Flavor \
-        $llvmgcc42_phase2_objdir $llvmgcc42_phase2_installdir \
-        $llvmCore_phase2_objdir
-    build_llvm_gcc 2 $Flavor \
-        $llvmgcc42_phase2_objdir $llvmgcc42_phase1_installdir
+package_release
 
-    echo "# Testing - built with llvmgcc42"
-    test_llvmCore 2 $Flavor $llvmCore_phase2_objdir
-done
-) 2>&1 | tee $LogDir/testing.$Release-rc$RC.log
+set +e
 
 # Woo hoo!
 echo "### Testing Finished ###"
+if [ "$use_gzip" = "yes" ]; then
+  echo "### Package: $Package.tar.gz"
+else
+  echo "### Package: $Package.tar.xz"
+fi
 echo "### Logs: $LogDir"
 exit 0