[llvm-commits] [llvm-gcc-4.2] r43658 - /llvm-gcc-4.2/trunk/build_gcc

Bill Wendling isanbard at gmail.com
Fri Nov 2 18:32:17 PDT 2007


Author: void
Date: Fri Nov  2 20:32:17 2007
New Revision: 43658

URL: http://llvm.org/viewvc/llvm-project?rev=43658&view=rev
Log:
First stab at the modifications necessary to get LLVM-GCC 4.2 building
the "Apple Way".

Modified:
    llvm-gcc-4.2/trunk/build_gcc

Modified: llvm-gcc-4.2/trunk/build_gcc
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/build_gcc?rev=43658&r1=43657&r2=43658&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/build_gcc (original)
+++ llvm-gcc-4.2/trunk/build_gcc Fri Nov  2 20:32:17 2007
@@ -22,10 +22,22 @@
 # installed.
 TARGETS=`echo $2 | $TRANSLATE_ARCH`
 
+# LLVM LOCAL begin
+# LLVM does not require host name translation. 
+LLVM_HOSTS=$1
+# LLVM target list is comma separated list. 
+#FIXME : Hard code targets. See LLVMTARGETOBJ comment in gcc/Makefile.in
+LLVM_TARGETS="x86,powerpc"
+# LLVm LOCAL end
+
 # The GNU makefile target ('bootstrap' by default).
 BOOTSTRAP=${BOOTSTRAP-bootstrap}
-if [ "$BOOTSTRAP" != bootstrap ]; then
-    bootstrap=--disable-bootstrap
+if [ "x$LLVM_DEBUG" == "x" ]; then
+    if [ "$BOOTSTRAP" != bootstrap ]; then
+	bootstrap=--disable-bootstrap
+    fi
+else
+    BOOTSTRAP=
 fi
 
 # The B&I build srcript (~rc/bin/buildit) accepts an '-othercflags'
@@ -33,7 +45,13 @@
 # $RC_NONARCH_CFLAGS (and mysteriously prepends '-pipe' thereto).
 # We will allow this to override the default $CFLAGS and $CXXFLAGS.
 
-CFLAGS="-g -O2 ${RC_NONARCH_CFLAGS/-pipe/}"
+if [ "x$LLVM_DEBUG" == "x" ]; then
+    CFLAGS="-g -O2 ${RC_NONARCH_CFLAGS/-pipe/}"
+    OPTIMIZE_OPTS="ENABLE_OPTIMIZED=1"
+else
+    CFLAGS="-g"
+    OPTIMIZE_OPTS=
+fi
 
 # This isn't a parameter; it is the architecture of the current machine.
 BUILD=`arch | $TRANSLATE_ARCH`
@@ -68,10 +86,20 @@
 # The nineth parameter is the subversion number of the submission, e.g. 03.
 LLVM_GCC_SUBMIT_SUBVERSION="$9"
 
+# The tenth parameter is a yes/no that indicates whether assertions should be
+# enabled in the LLVM libs/tools.
+LLVM_ASSERTIONS="${10}"
+
 # LLVM_INSTALL_PREFIX - This is the prefix where LLVM tools/headers/libraries
 # and the llvm-gcc/llvm-g++ symlinks get installed.
 LLVM_INSTALL_PREFIX=/usr/local
 
+# LLVM_ARCHS - This tells us which architectures we'd like the libraries to be
+# build for. The default is 4-way.
+if [ "x$LLVM_ARCHS" == "x" ]; then
+    LLVM_ARCHS="ppc i386 ppc64 x86_64"
+fi
+# APPLE LOCAL end LLVM
 
 # The current working directory is where the build will happen.
 # It may already contain a partial result of an interrupted build,
@@ -97,6 +125,12 @@
 fi
 # LLVM LOCAL end
 
+# APPLE LOCAL begin ARM ARM_CONFIGFLAGS
+# For ARM, grab all system files from an SDK.
+ARM_SYSROOT="/Developer/SDKs/Extra"
+ARM_CONFIGFLAGS="--with-sysroot=\"$ARM_SYSROOT\""
+# APPLE LOCAL end ARM ARM_CONFIGFLAGS
+
 # This is the libstdc++ version to use.
 LIBSTDCXX_VERSION=4.0.0
 
@@ -123,9 +157,17 @@
 rm -f /usr/lib/gcc/*/4.0.0/specs
 
 # These are the configure and build flags that are used.
-CONFIGFLAGS="--disable-checking -enable-werror \
+# APPLE LOCAL begin LLVM  Support for non /usr $DEST_ROOT, use libstdc++
+
+if [ "x$LLVM_DEBUG" == "x" ]; then
+    CHECKING_FLAGS="--disable-checking --enable-werror"
+else
+    CHECKING_FLAGS="--enable-checking"
+fi
+
+CONFIGFLAGS="$CHECKING_FLAGS \
   --prefix=$DEST_ROOT \
-  --mandir=\${prefix}/share/man \
+  --mandir=$LLVM_INSTALL_PREFIX/share/man \
   --enable-languages=c,objc,c++,obj-c++ \
   --program-transform-name=/^[cg][^.-]*$/s/$/-$MAJ_VERS/ \
   --with-gxx-include-dir=\${prefix}/include/c++/$LIBSTDCXX_VERSION \
@@ -134,8 +176,38 @@
 
 # LLVM LOCAL begin
 if [ "$ENABLE_LLVM" == true ]; then
-  CONFIGFLAGS="$CONFIGFLAGS --enable-llvm=/usr/local"
+    CONFIGFLAGS="$CONFIGFLAGS --enable-llvm=$DIR/obj-llvm"
+
+    # Build the LLVM tree universal.
+    LLVMCONFIGFLAGS="--prefix=$DEST_DIR$LLVM_INSTALL_PREFIX \
+                     --enable-targets=$LLVM_TARGETS \
+                     --enable-assertions=$LLVM_ASSERTIONS"
+    mkdir -p $DIR/obj-llvm || exit 1
+    cd $DIR/obj-llvm || exit 1
+    if [ \! -f Makefile.config ]; then
+	$SRC_DIR/llvm/configure $LLVMCONFIGFLAGS || exit 1
+    fi
+
+    if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
+	LLVM_VERSION="$LLVM_SUBMIT_VERSION"
+    else
+	LLVM_VERSION="$LLVM_SUBMIT_VERSION-$LLVM_SUBMIT_SUBVERSION"
+    fi
+
+    # Note: Don't pass -jN here.  Building universal already has
+    # parallelism and we don't want to make the builders hit swap by
+    # firing off too many gcc's at the same time.
+    ## FIXME: Remove -O2 when rdar://4560645 is fixed.
+    make $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$LLVM_ARCHS" \
+         OPTIMIZE_OPTION='-O2' \
+	 CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'"
+
+    if ! test $? == 0 ; then
+	echo "error: LLVM 'make' failed!"
+	exit 1
+    fi 
 fi
+# LLVM LOCAL end
 
 # Figure out how many make processes to run.
 SYSCTL=`sysctl -n hw.activecpu`
@@ -160,6 +232,10 @@
   # Build llvm-gcc in 'dylib mode'.
   MAKEFLAGS="$MAKEFLAGS BUILD_LLVM_INTO_A_DYLIB=1"
   MAKEFLAGS="$MAKEFLAGS LLVM_VERSION_INFO=$LLVM_GCC_SUBMIT_VERSION"
+
+  if [ "$LLVM_ASSERTIONS" == no ]; then
+    MAKEFLAGS="$MAKEFLAGS DISABLE_LLVMASSERTIONS=1"
+  fi
 fi
 # LLVM LOCAL end
 
@@ -172,8 +248,10 @@
    --host=$BUILD-apple-darwin$DARWIN_VERS --target=$BUILD-apple-darwin$DARWIN_VERS || exit 1
 fi
 # Unset RC_DEBUG_OPTIONS because it causes the bootstrap to fail.
-RC_DEBUG_OPTIONS= \
-  make $MAKEFLAGS CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
+# Also keep unset for cross compilers so that the cross built libraries are
+# comparable to the native built libraries.
+unset RC_DEBUG_OPTIONS
+make $MAKEFLAGS CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 make $MAKEFLAGS html CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
 make $MAKEFLAGS DESTDIR=$DIR/dst-$BUILD-$BUILD install-gcc install-target \
   CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1
@@ -217,7 +295,12 @@
   mkdir -p $DIR/obj-$BUILD-$t $DIR/dst-$BUILD-$t || exit 1
    cd $DIR/obj-$BUILD-$t || exit 1
    if [ \! -f Makefile ]; then
-    $SRC_DIR/configure $CONFIGFLAGS --enable-werror-always \
+     if [ "x$LLVM_DEBUG" == "x" ]; then
+       WERROR_FLAGS="--enable-werror-always"
+     else
+       WERROR_FLAGS=""
+     fi
+     $SRC_DIR/configure $CONFIGFLAGS $WERROR_FLAGS \
       --program-prefix=$t-apple-darwin$DARWIN_VERS- \
       --host=$BUILD-apple-darwin$DARWIN_VERS --target=$t-apple-darwin$DARWIN_VERS || exit 1
    fi
@@ -282,15 +365,16 @@
 
 # LLVM LOCAL Don't install HTML docs.
 if [ "$ENABLE_LLVM" == false ]; then
-# HTML documentation
-HTMLDIR="/Developer/Documentation/DocSets/com.apple.ADC_Reference_Library.DeveloperTools.docset/Contents/Resources/Documents/documentation/DeveloperTools"
-mkdir -p ".$HTMLDIR" || exit 1
-cp -Rp $DIR/obj-$BUILD-$BUILD/gcc/HTML/* ".$HTMLDIR/" || exit 1
+  # HTML documentation
+  HTMLDIR="/Developer/Documentation/DocSets/com.apple.ADC_Reference_Library.DeveloperTools.docset/Contents/Resources/Documents/documentation/DeveloperTools"
+  mkdir -p ".$HTMLDIR" || exit 1
+  cp -Rp $DIR/obj-$BUILD-$BUILD/gcc/HTML/* ".$HTMLDIR/" || exit 1
 fi
 
 # Manual pages
-mkdir -p .$DEST_ROOT/share || exit 1
-cp -Rp $DIR/dst-$BUILD-$BUILD$DEST_ROOT/share/man .$DEST_ROOT/share/ \
+mkdir -p .$LLVM_INSTALL_PREFIX/share || exit 1
+# LLVM LOCAL build_gcc bug with non-/usr $DEST_ROOT
+cp -Rp $DIR/dst-$BUILD-$BUILD$LLVM_INSTALL_PREFIX/share/man .$LLVM_INSTALL_PREFIX/share/ \
   || exit 1
 # exclude fsf-funding.7 gfdl.7 gpl.7 as they are currently built in
 # the gcc project
@@ -346,21 +430,21 @@
     .$DEST_ROOT/lib/gcc || exit 1
 done
 
-# And copy libgomp stuff and libobjc-gnu by hand...
+# And copy libgomp stuff by hand...
 for t in $TARGETS ; do
     for h in $HOSTS ; do
 	if [ $h = $t ] ; then
-	    cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/lib{gomp,objc-gnu}.a \
+	    cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/libgomp.a \
 		.$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ || exit 1
 	    cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/libgomp.spec \
 		.$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ || exit 1
 	    if [ $h = 'powerpc' ] ; then
-		cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/ppc64/lib{gomp,objc-gnu}.a \
+		cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/ppc64/libgomp.a \
 		    .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ppc64/ || exit 1
 		cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/ppc64/libgomp.spec \
 		    .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/ppc64/ || exit 1
 	    elif [ $h = 'i686' ] ; then
-		cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/x86_64/lib{gomp,objc-gnu}.a \
+		cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/x86_64/libgomp.a \
 		    .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/x86_64/ || exit 1
 		cp -p $DIR/dst-$h-$t$DEST_ROOT/lib/x86_64/libgomp.spec \
 		    .$DEST_ROOT/lib/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/x86_64/ || exit 1
@@ -401,7 +485,7 @@
 done
 
 # Add extra man page symlinks for 'c++' and for arch-specific names.
-MDIR=$DEST_DIR$DEST_ROOT/share/man/man1
+MDIR=$DEST_DIR$LLVM_INSTALL_PREFIX/share/man/man1
 ln -f $MDIR/g++-$MAJ_VERS.1 $MDIR/c++-$MAJ_VERS.1 || exit 1
 for t in $TARGETS ; do
   ln -f $MDIR/gcc-$MAJ_VERS.1 $MDIR/$t-apple-darwin$DARWIN_VERS-gcc-$VERS.1 \
@@ -473,6 +557,77 @@
   | xargs strip || exit 1
 find $DEST_DIR -name \*.a -print | xargs strip -SX || exit 1
 find $DEST_DIR -name \*.a -print | xargs ranlib || exit 1
+
+# LLVM LOCAL begin
+# Install LLVM libraries/headers/tools.
+if [ "$ENABLE_LLVM" == true ]; then
+  cd $DIR/obj-llvm || exit 1
+
+  ## Install the tree into the destination directory.
+  make $MAKEFLAGS $OPTIMIZE_OPTS UNIVERSAL=1 OPTIMIZE_OPTION='-O2' install
+
+  if ! test $? == 0 ; then
+      echo "error: LLVM 'make install' failed!"
+      exit 1
+  fi 
+
+  ## Install Version.h
+  if [ "x$LLVM_SUBMIT_SUBVERSION" = "x00" -o "x$LLVM_SUBMIT_SUBVERSION" = "x0" ]; then
+      RC_ProjectSourceSubversion=0
+  else
+      case "$LLVM_SUBMIT_SUBVERSION" in
+          01) RC_ProjectSourceSubversion=1 ;;
+          02) RC_ProjectSourceSubversion=2 ;;
+          03) RC_ProjectSourceSubversion=3 ;;
+          04) RC_ProjectSourceSubversion=4 ;;
+          05) RC_ProjectSourceSubversion=5 ;;
+          06) RC_ProjectSourceSubversion=6 ;;
+          07) RC_ProjectSourceSubversion=7 ;;
+          08) RC_ProjectSourceSubversion=8 ;;
+          09) RC_ProjectSourceSubversion=9 ;;
+          *)  RC_ProjectSourceSubversion=$LLVM_SUBMIT_SUBVERSION ;;
+      esac
+  fi
+
+  echo "#define LLVM_VERSION ${RC_ProjectSourceVersion}" > $DEST_DIR$LLVM_INSTALL_PREFIX/include/llvm/Version.h
+  echo "#define LLVM_MINOR_VERSION ${RC_ProjectSourceSubversion}" >> $DEST_DIR$LLVM_INSTALL_PREFIX/include/llvm/Version.h
+
+  ## Strip local symbols from llvm libraries.
+  strip -S $DEST_DIR$LLVM_INSTALL_PREFIX/lib/*.[oa]
+  strip -Sx $DEST_DIR$LLVM_INSTALL_PREFIX/lib/*.so
+
+  # Remove .dir files 
+  cd $DEST_DIR$LLVM_INSTALL_PREFIX/
+  rm bin/.dir etc/llvm/.dir lib/.dir
+
+  # Remove PPC64 fat slices.
+  cd $DEST_DIR$LLVM_INSTALL_PREFIX/bin
+  if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
+    find . -perm 755 -type f -exec lipo -extract ppc -extract i386 {} -output {} \;
+  else
+    find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
+  fi
+  cd $DEST_DIR$LLVM_INSTALL_PREFIX
+  lipo -extract ppc -extract i386 lib/LLVMlto.0.0.0.so -output lib/LLVMlto.0.0.0.so
+
+  # Set up the llvm-gcc/llvm-g++ symlinks.
+  cd $DEST_DIR$LLVM_INSTALL_PREFIX/bin
+  ln -s -f ../../../$DEST_ROOT/bin/gcc-$MAJ_VERS llvm-gcc || exit 1
+  ln -s -f ../../../$DEST_ROOT/bin/g++-$MAJ_VERS llvm-g++ || exit 1
+
+  # Copy one of the libllvmgcc.dylib's up to libexec/gcc.
+  cp $DEST_DIR/$DEST_ROOT/libexec/gcc/$BUILD-apple-darwin$DARWIN_VERS/$VERS/libllvmgcc.dylib \
+     $DEST_DIR/$DEST_ROOT/libexec/gcc/
+
+  # Replace the installed ones with symlinks to the common one.
+  for t in $TARGETS ; do
+    cd $DEST_DIR/$DEST_ROOT/libexec/gcc/$t-apple-darwin$DARWIN_VERS/$VERS/
+    rm libllvmgcc.dylib
+    ln -s ../../libllvmgcc.dylib
+  done
+fi
+# LLVM LOCAL end
+
 find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
 chgrp -h -R wheel $DEST_DIR
 chgrp -R wheel $DEST_DIR





More information about the llvm-commits mailing list