Makefile

   1 ##===- Makefile --------------------------------------------*- Makefile -*-===##
   2 #
   3 #                     The LLVM Compiler Infrastructure
   4 #
   5 # This file is distributed under the University of Illinois Open Source
   6 # License. See LICENSE.TXT for details.
   7 #
   8 ##===----------------------------------------------------------------------===##
   9
  10 # If CLANG_LEVEL is not set, then we are the top-level Makefile. Otherwise, we
  11 # are being included from a subdirectory makefile.
  12
  13 ifndef CLANG_LEVEL
  14
  15 IS_TOP_LEVEL := 1
  16 CLANG_LEVEL := .
  17 DIRS := include lib tools runtime docs unittests
  18
  19 PARALLEL_DIRS :=
  20
  21 ifeq ($(BUILD_EXAMPLES),1)
  22   PARALLEL_DIRS += examples
  23 endif
  24 endif
  25
  26 ifeq ($(MAKECMDGOALS),libs-only)
  27   DIRS := $(filter-out tools docs, $(DIRS))
  28   OPTIONAL_DIRS :=
  29 endif
  30
  31 ###
  32 # Common Makefile code, shared by all Clang Makefiles.
  33
  34 # Set LLVM source root level.
  35 LEVEL := $(CLANG_LEVEL)/../..
  36
  37 # Include LLVM common makefile.
  38 include $(LEVEL)/Makefile.common
  39
  40 ifneq ($(ENABLE_DOCS),1)
  41   DIRS := $(filter-out docs, $(DIRS))
  42 endif
  43
  44 # Set common Clang build flags.
  45 CPP.Flags += -I$(PROJ_SRC_DIR)/$(CLANG_LEVEL)/include -I$(PROJ_OBJ_DIR)/$(CLANG_LEVEL)/include
  46 ifdef CLANG_VENDOR
  47 CPP.Flags += -DCLANG_VENDOR='"$(CLANG_VENDOR) "'
  48 endif
  49
  50 # Disable -fstrict-aliasing. Darwin disables it by default (and LLVM doesn't
  51 # work with it enabled with GCC), Clang/llvm-gcc don't support it yet, and newer
  52 # GCC's have false positive warnings with it on Linux (which prove a pain to
  53 # fix). For example:
  54 #   http://gcc.gnu.org/PR41874
  55 #   http://gcc.gnu.org/PR41838
  56 #
  57 # We can revisit this when LLVM/Clang support it.
  58 CXX.Flags += -fno-strict-aliasing
  59
  60 ###
  61 # Clang Top Level specific stuff.
  62
  63 ifeq ($(IS_TOP_LEVEL),1)
  64
  65 ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
  66 $(RecursiveTargets)::
  67         $(Verb) for dir in test unittests; do \
  68           if [ ! -f $${dir}/Makefile ]; then \
  69             $(MKDIR) $${dir}; \
  70             $(CP) $(PROJ_SRC_DIR)/$${dir}/Makefile $${dir}/Makefile; \
  71           fi \
  72         done
  73 endif
  74
  75 test::
  76         @ $(MAKE) -C test
  77
  78 report::
  79         @ $(MAKE) -C test report
  80
  81 clean::
  82         @ $(MAKE) -C test clean
  83
  84 libs-only: all
  85
  86 tags::
  87         $(Verb) etags `find . -type f -name '*.h' -or -name '*.cpp' | \
  88           grep -v /lib/Headers | grep -v /test/`
  89
  90 cscope.files:
  91         find tools lib include -name '*.cpp' \
  92                             -or -name '*.def' \
  93                             -or -name '*.td' \
  94                             -or -name '*.h' > cscope.files
  95
  96 .PHONY: test report clean cscope.files
  97
  98 endif