This situation can occur:

[oota-llvm.git] / utils / buildit / build_llvm

diff --git a/utils/buildit/build_llvm b/utils/buildit/build_llvm
index c1df5773ca5a109e245935bde4cb760d98c5e253..4ef7fb54015f42de4abd74962407d4d83bf888ca 100755 (executable)
--- a/utils/buildit/build_llvm
+++ b/utils/buildit/build_llvm
@@ -95,10 +95,39 @@ 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.
-make $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$TARGETS" \
+GCC_VER=`cc --version 2>/dev/null | sed 1q`
+
+if echo "$GCC_VER" | grep GCC > /dev/null; then
+    GCC_VER=`echo $GCC_VER | sed -e 's/.*(GCC) \([0-9.][0-9.]*\).*/\1/'`
+    MAJ_VER=`echo $GCC_VER | sed 's/\..*//'`
+    MIN_VER=`echo $GCC_VER | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
+fi
+
+JOBS_FLAG=""
+
+# Note: If compiling with GCC 4.0, don't pass the -jN flag. Building universal
+# already has parallelism and we don't want to make the builders hit swap by
+# firing off too many gccs at the same time.
+if [ "x$MAJ_VER" != "x4" -o "x$MIN_VER" != "x0" ]; then
+    # Figure out how many make processes to run.
+    SYSCTL=`sysctl -n hw.activecpu`
+
+    # hw.activecpu only available in 10.2.6 and later
+    if [ -z "$SYSCTL" ]; then
+        SYSCTL=`sysctl -n hw.ncpu`
+    fi
+
+    # sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot.
+    # Builders can default to 2, since even if they are single processor,
+    # nothing else is running on the machine.
+    if [ -z "$SYSCTL" ]; then
+        SYSCTL=2
+    fi
+
+    JOBS_FLAG="-j $SYSCTL"
+fi
+
+make $JOBS_FLAG $OPTIMIZE_OPTS UNIVERSAL=1 UNIVERSAL_ARCH="$TARGETS" \
     LLVM_SUBMIT_VERSION=$LLVM_SUBMIT_VERSION \
     LLVM_SUBMIT_SUBVERSION=$LLVM_SUBMIT_SUBVERSION \
     CXXFLAGS="-DLLVM_VERSION_INFO='\" Apple Build #$LLVM_VERSION\"'"
@@ -144,21 +173,19 @@ rm bin/.dir etc/llvm/.dir lib/.dir
 
 # Remove PPC64 fat slices.
 cd $DEST_DIR$DEST_ROOT/bin
-
 if [ $MACOSX_DEPLOYMENT_TARGET = "10.4" ]; then
     find . -perm 755 -type f -exec lipo -extract ppc -extract i386 {} -output {} \;
-else
+elif [ $MACOSX_DEPLOYMENT_TARGET = "10.5" ]; then
     find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 {} -output {} \;
+else
+    find . -perm 755 -type f -exec lipo -extract ppc7400 -extract i386 -extract x86_64 {} -output {} \;
 fi
 
 cd $DEST_DIR$DEST_ROOT
-
 mkdir -p $DT_HOME/lib
 mv lib/libLTO.dylib $DT_HOME/lib/libLTO.dylib
 rm -f lib/libLTO.a lib/libLTO.la
 
-
-
 ################################################################################
 # Create SYM_DIR with information required for debugging.
 
@@ -205,6 +232,11 @@ find $DEST_DIR -name \*.dSYM -print | xargs rm -r || exit 1
 chgrp -h -R wheel $DEST_DIR
 chgrp -R wheel $DEST_DIR
 
+################################################################################
+# Remove tar ball from docs directory
+
+find $DEST_DIR -name html.tar.gz -exec rm {} \;
+
 ################################################################################
 # w00t! Done!