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      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 := utils/TableGen 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, $(DIRS))
     28   OPTIONAL_DIRS :=
     29 endif
     30 ifeq ($(BUILD_CLANG_ONLY),YES)
     31   DIRS := $(filter-out docs unittests, $(DIRS))
     32   OPTIONAL_DIRS :=
     33 endif
     34 
     35 ###
     36 # Common Makefile code, shared by all Clang Makefiles.
     37 
     38 # Set LLVM source root level.
     39 LEVEL := $(CLANG_LEVEL)/../..
     40 
     41 # Include LLVM common makefile.
     42 include $(LEVEL)/Makefile.common
     43 
     44 ifneq ($(ENABLE_DOCS),1)
     45   DIRS := $(filter-out docs, $(DIRS))
     46 endif
     47 
     48 # Set common Clang build flags.
     49 CPP.Flags += -I$(PROJ_SRC_DIR)/$(CLANG_LEVEL)/include -I$(PROJ_OBJ_DIR)/$(CLANG_LEVEL)/include
     50 ifdef CLANG_VENDOR
     51 CPP.Flags += -DCLANG_VENDOR='"$(CLANG_VENDOR) "'
     52 endif
     53 ifdef CLANG_REPOSITORY_STRING
     54 CPP.Flags += -DCLANG_REPOSITORY_STRING='"$(CLANG_REPOSITORY_STRING)"'
     55 endif
     56 
     57 # Disable -fstrict-aliasing. Darwin disables it by default (and LLVM doesn't
     58 # work with it enabled with GCC), Clang/llvm-gcc don't support it yet, and newer
     59 # GCC's have false positive warnings with it on Linux (which prove a pain to
     60 # fix). For example:
     61 #   http://gcc.gnu.org/PR41874
     62 #   http://gcc.gnu.org/PR41838
     63 #
     64 # We can revisit this when LLVM/Clang support it.
     65 CXX.Flags += -fno-strict-aliasing
     66 
     67 # Set up Clang's tblgen.
     68 ifndef CLANG_TBLGEN
     69   ifeq ($(LLVM_CROSS_COMPILING),1)
     70     CLANG_TBLGEN := $(BuildLLVMToolDir)/clang-tblgen$(BUILD_EXEEXT)
     71   else
     72     CLANG_TBLGEN := $(LLVMToolDir)/clang-tblgen$(EXEEXT)
     73   endif
     74 endif
     75 ClangTableGen = $(CLANG_TBLGEN) $(TableGen.Flags)
     76 
     77 ###
     78 # Clang Top Level specific stuff.
     79 
     80 ifeq ($(IS_TOP_LEVEL),1)
     81 
     82 ifneq ($(PROJ_SRC_ROOT),$(PROJ_OBJ_ROOT))
     83 $(RecursiveTargets)::
     84 	$(Verb) for dir in test unittests; do \
     85 	  if [ -f $(PROJ_SRC_DIR)/$${dir}/Makefile ] && [ ! -f $${dir}/Makefile ]; then \
     86 	    $(MKDIR) $${dir}; \
     87 	    $(CP) $(PROJ_SRC_DIR)/$${dir}/Makefile $${dir}/Makefile; \
     88 	  fi \
     89 	done
     90 endif
     91 
     92 test::
     93 	@ $(MAKE) -C test
     94 
     95 report::
     96 	@ $(MAKE) -C test report
     97 
     98 clean::
     99 	@ $(MAKE) -C test clean
    100 
    101 libs-only: all
    102 
    103 tags::
    104 	$(Verb) etags `find . -type f -name '*.h' -or -name '*.cpp' | \
    105 	  grep -v /lib/Headers | grep -v /test/`
    106 
    107 cscope.files:
    108 	find tools lib include -name '*.cpp' \
    109 	                    -or -name '*.def' \
    110 	                    -or -name '*.td' \
    111 	                    -or -name '*.h' > cscope.files
    112 
    113 .PHONY: test report clean cscope.files
    114 
    115 endif
    116