Track dependencies when creating symlinks to LLVM libraries next

[oota-llvm.git] / Makefile.common

diff --git a/Makefile.common b/Makefile.common
index ddbaf48c3cf25d1f49f31d3cb8631ab09e6db32b..ca8f33673ffbd33b7614ce4d2876ba72f8cc4d39 100644 (file)
--- a/Makefile.common
+++ b/Makefile.common
@@ -1,4 +1,11 @@
-#===-- Makefile.common - Common make rules for LLVM -------*- makefile -*--====
+#===-- Makefile.common - Common make rules for LLVM --------*- Makefile -*--===#
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file was developed by the LLVM research group and is distributed under
+# the University of Illinois Open Source License. See LICENSE.TXT for details.
+# 
+#===------------------------------------------------------------------------===#
 #
 # This file is included by all of the LLVM makefiles.  This file defines common
 # rules to do things like compile a .cpp file or generate dependency info.
@@ -9,7 +16,7 @@
 # The variable $(LEVEL) *must* be set:
 #
 # 1. LEVEL - The level of the current subdirectory from the top of the 
-#    MagicStats view.  This level should be expressed as a path, for 
+#    source directory.  This level should be expressed as a path, for 
 #    example, ../.. for two levels deep.
 #
 # 2. DIRS - A list of subdirectories to be built.  Fake targets are set up
@@ -32,25 +39,29 @@
 #
 # 6. LLVM_SRC_ROOT - If specified, points to the top of the LLVM source tree.
 #
-# 8. BUILD_SRC_DIR - The directory which contains the current set of Makefiles
+# 8. PROJ_SRC_DIR - The directory which contains the current set of Makefiles
 #    and usually the source code too (unless SourceDir is set).
 #
-# 9. BUILD_SRC_ROOT - The root directory of the source code being compiled.
+# 9. PROJ_SRC_ROOT - The root directory of the source code being compiled.
 #
-# 10. BUILD_OBJ_DIR - The directory where object code should be placed.
+# 10. PROJ_OBJ_DIR - The directory where object code should be placed.
 #
-# 11. BUILD_OBJ_ROOT - The root directory for where object code should be
+# 11. PROJ_OBJ_ROOT - The root directory for where object code should be
 #     placed.
 #
 # For building,
-#      LLVM, LLVM_SRC_ROOT = BUILD_SRC_ROOT
+#      LLVM, LLVM_SRC_ROOT = PROJ_SRC_ROOT
 #
 #===-----------------------------------------------------------------------====
 
 #
 # Configuration file to set paths specific to local installation of LLVM
 # 
+ifndef LLVM_OBJ_ROOT
 include $(LEVEL)/Makefile.config
+else
+include $(LLVM_OBJ_ROOT)/Makefile.config
+endif
 
 #
 # Include all of the build rules used for making LLVM