##===- tools/Makefile --------------------------------------*- 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 distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
##===----------------------------------------------------------------------===##
LEVEL := ..
-# Note .. the tools are organized in triples consisting of one large and two
-# small executables. This is done to minimize memory load in parallel builds.
-# Please retain this ordering.
-PARALLEL_DIRS := llvm-config \
- opt llvm-as llvm-dis \
- llc llvm-ranlib llvm-ar \
- lli llvm-link llvm-nm \
- bugpoint llvm-db llvm-extract \
- gccas llvm-bcanalyzer llvm-stub \
- gccld llvm2cpp \
- llvm-ld llvmc llvm-prof
-ifeq ($(OS), Darwin)
-PARALLEL_DIRS += lto
+
+# Build clang if present.
+OPTIONAL_PARALLEL_DIRS := clang
+
+# NOTE: The tools are organized into five groups of four consisting of one
+# large and three small executables. This is done to minimize memory load
+# in parallel builds. Please retain this ordering.
+DIRS := llvm-config
+PARALLEL_DIRS := opt llvm-as llvm-dis \
+ llc llvm-ranlib llvm-ar llvm-nm \
+ llvm-ld llvm-prof llvm-link \
+ lli gccas gccld llvm-extract llvm-db \
+ bugpoint llvm-bcanalyzer llvm-stub \
+ llvm-mc
+
+# Let users override the set of tools to build from the command line.
+ifdef ONLY_TOOLS
+ OPTIONAL_PARALLEL_DIRS :=
+ PARALLEL_DIRS := $(ONLY_TOOLS)
+endif
+
+include $(LEVEL)/Makefile.config
+
+ifeq ($(ENABLE_PIC),1)
+ DIRS += lto llvmc
+ ifdef BINUTILS_INCDIR
+ DIRS += gold
+ endif
+endif
+
+# No support for lto / gold on windows targets
+ifeq ($(OS), $(filter $(OS), Cygwin MingW))
+ DIRS := $(filter-out lto gold, $(DIRS))
endif
include $(LEVEL)/Makefile.common