# 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.
-PARALLEL_DIRS := llvm-config \
- opt llvm-as llvm-dis \
+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 llvmc
-
+ lli gccas gccld llvm-extract llvm-db \
+ bugpoint llvm-bcanalyzer llvm-stub \
+ llvm-mc llvmc
+
+# 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 $(LEVEL)/Makefile.config
-# only build new lto project on Darwin for now
-ifeq ($(OS),Darwin)
-PARALLEL_DIRS += lto
-
-ifdef BINUTILS_INCDIR
-PARALLEL_DIRS += gold
+ifeq ($(ENABLE_PIC),1)
+ DIRS += lto
+ ifdef BINUTILS_INCDIR
+ DIRS += gold
+ endif
endif
+
+# No support for lto / gold on windows targets
+ifeq ($(OS), $(filter $(OS), Cygwin MingW))
+ DIRS := $(filter-out lto gold, $(DIRS))
endif
include $(LEVEL)/Makefile.common