Makefile: Switch Clang Makefiles to always include the top-level Clang Makefile.
- This eliminates most dependencies on how Clang is installed relative to LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105637 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index 39cf9c6..7b2a365 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,19 @@
-LEVEL = ../..
+##===- Makefile --------------------------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+# If CLANG_LEVEL is not set, then we are the top-level Makefile. Otherwise, we
+# are being included from a subdirectory makefile.
+
+ifndef CLANG_LEVEL
+
+IS_TOP_LEVEL := 1
+CLANG_LEVEL := .
DIRS := include lib tools docs
PARALLEL_DIRS :=
@@ -6,9 +21,22 @@
ifeq ($(BUILD_EXAMPLES),1)
PARALLEL_DIRS += examples
endif
+endif
+###
+# Common Makefile code, shared by all Clang Makefiles.
+
+# Set LLVM source root level.
+LEVEL := $(CLANG_LEVEL)/../..
+
+# Include LLVM common makefile.
include $(LEVEL)/Makefile.common
+###
+# Clang Top Level specific stuff.
+
+ifeq ($(IS_TOP_LEVEL),1)
+
ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
$(RecursiveTargets)::
$(Verb) if [ ! -f test/Makefile ]; then \
@@ -37,3 +65,5 @@
-or -name '*.h' > cscope.files
.PHONY: test report clean cscope.files
+
+endif