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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 LEVEL := .
     11 
     12 # Top-Level LLVM Build Stages:
     13 #   1. Build lib/Support and lib/TableGen, which are used by utils (tblgen).
     14 #   2. Build utils, which is used by VMCore.
     15 #   3. Build VMCore, which builds the Intrinsics.inc file used by libs.
     16 #   4. Build libs, which are needed by llvm-config.
     17 #   5. Build llvm-config, which determines inter-lib dependencies for tools.
     18 #   6. Build tools, runtime, docs.
     19 #
     20 # When cross-compiling, there are some things (tablegen) that need to
     21 # be build for the build system first.
     22 
     23 # If "RC_ProjectName" exists in the environment, and its value is
     24 # "llvmCore", then this is an "Apple-style" build; search for
     25 # "Apple-style" in the comments for more info.  Anything else is a
     26 # normal build.
     27 ifneq ($(findstring llvmCore, $(RC_ProjectName)),llvmCore)  # Normal build (not "Apple-style").
     28 
     29 ifeq ($(BUILD_DIRS_ONLY),1)
     30   DIRS := lib/Support lib/TableGen utils tools/llvm-config
     31   OPTIONAL_DIRS := tools/clang/utils/TableGen
     32 else
     33   DIRS := lib/Support lib/TableGen utils lib/VMCore lib tools/llvm-shlib \
     34           tools/llvm-config tools runtime docs unittests
     35   OPTIONAL_DIRS := projects bindings
     36 endif
     37 
     38 ifeq ($(BUILD_EXAMPLES),1)
     39   OPTIONAL_DIRS += examples
     40 endif
     41 
     42 EXTRA_DIST := test unittests llvm.spec include win32 Xcode
     43 
     44 include $(LEVEL)/Makefile.config
     45 
     46 ifneq ($(ENABLE_SHARED),1)
     47   DIRS := $(filter-out tools/llvm-shlib, $(DIRS))
     48 endif
     49 
     50 ifneq ($(ENABLE_DOCS),1)
     51   DIRS := $(filter-out docs, $(DIRS))
     52 endif
     53 
     54 ifeq ($(MAKECMDGOALS),libs-only)
     55   DIRS := $(filter-out tools runtime docs, $(DIRS))
     56   OPTIONAL_DIRS :=
     57 endif
     58 
     59 ifeq ($(MAKECMDGOALS),install-libs)
     60   DIRS := $(filter-out tools runtime docs, $(DIRS))
     61   OPTIONAL_DIRS := $(filter bindings, $(OPTIONAL_DIRS))
     62 endif
     63 
     64 ifeq ($(MAKECMDGOALS),tools-only)
     65   DIRS := $(filter-out runtime docs, $(DIRS))
     66   OPTIONAL_DIRS :=
     67 endif
     68 
     69 ifeq ($(MAKECMDGOALS),install-clang)
     70   DIRS := tools/clang/tools/driver tools/clang/lib/Headers \
     71           tools/clang/tools/libclang tools/clang/tools/c-index-test \
     72           tools/clang/include/clang-c \
     73           tools/clang/runtime tools/clang/docs \
     74           tools/lto runtime
     75   OPTIONAL_DIRS :=
     76   NO_INSTALL = 1
     77 endif
     78 
     79 ifeq ($(MAKECMDGOALS),clang-only)
     80   DIRS := $(filter-out tools docs unittests, $(DIRS)) \
     81           tools/clang tools/lto
     82   OPTIONAL_DIRS :=
     83 endif
     84 
     85 ifeq ($(MAKECMDGOALS),unittests)
     86   DIRS := $(filter-out tools runtime docs, $(DIRS)) utils unittests
     87   OPTIONAL_DIRS :=
     88 endif
     89 
     90 # Use NO_INSTALL define of the Makefile of each directory for deciding
     91 # if the directory is installed or not
     92 ifeq ($(MAKECMDGOALS),install)
     93   OPTIONAL_DIRS := $(filter bindings, $(OPTIONAL_DIRS))
     94 endif
     95 
     96 # Don't build unittests when ONLY_TOOLS is set.
     97 ifneq ($(ONLY_TOOLS),)
     98   DIRS := $(filter-out unittests, $(DIRS))
     99 endif
    100 
    101 # If we're cross-compiling, build the build-hosted tools first
    102 ifeq ($(LLVM_CROSS_COMPILING),1)
    103 all:: cross-compile-build-tools
    104 
    105 clean::
    106 	$(Verb) rm -rf BuildTools
    107 
    108 cross-compile-build-tools:
    109 	$(Verb) if [ ! -f BuildTools/Makefile ]; then \
    110           $(MKDIR) BuildTools; \
    111 	  cd BuildTools ; \
    112 	  unset CFLAGS ; \
    113 	  unset CXXFLAGS ; \
    114 	  $(PROJ_SRC_DIR)/configure --build=$(BUILD_TRIPLE) \
    115 		--host=$(BUILD_TRIPLE) --target=$(BUILD_TRIPLE) \
    116 	        --disable-polly ; \
    117 	  cd .. ; \
    118 	fi; \
    119 	(unset SDKROOT; \
    120 	 $(MAKE) -C BuildTools \
    121 	  BUILD_DIRS_ONLY=1 \
    122 	  UNIVERSAL= \
    123 	  TARGET_NATIVE_ARCH="$(TARGET_NATIVE_ARCH)" \
    124 	  TARGETS_TO_BUILD="$(TARGETS_TO_BUILD)" \
    125 	  ENABLE_OPTIMIZED=$(ENABLE_OPTIMIZED) \
    126 	  ENABLE_PROFILING=$(ENABLE_PROFILING) \
    127 	  ENABLE_COVERAGE=$(ENABLE_COVERAGE) \
    128 	  DISABLE_ASSERTIONS=$(DISABLE_ASSERTIONS) \
    129 	  ENABLE_EXPENSIVE_CHECKS=$(ENABLE_EXPENSIVE_CHECKS) \
    130 	  ENABLE_LIBCPP=$(ENABLE_LIBCPP) \
    131 	  CFLAGS= \
    132 	  CXXFLAGS= \
    133 	) || exit 1;
    134 endif
    135 
    136 # Include the main makefile machinery.
    137 include $(LLVM_SRC_ROOT)/Makefile.rules
    138 
    139 # Specify options to pass to configure script when we're
    140 # running the dist-check target
    141 DIST_CHECK_CONFIG_OPTIONS = --with-llvmgccdir=$(LLVMGCCDIR)
    142 
    143 .PHONY: debug-opt-prof
    144 debug-opt-prof:
    145 	$(Echo) Building Debug Version
    146 	$(Verb) $(MAKE)
    147 	$(Echo)
    148 	$(Echo) Building Optimized Version
    149 	$(Echo)
    150 	$(Verb) $(MAKE) ENABLE_OPTIMIZED=1
    151 	$(Echo)
    152 	$(Echo) Building Profiling Version
    153 	$(Echo)
    154 	$(Verb) $(MAKE) ENABLE_PROFILING=1
    155 
    156 dist-hook::
    157 	$(Echo) Eliminating files constructed by configure
    158 	$(Verb) $(RM) -f \
    159 	  $(TopDistDir)/include/llvm/Config/config.h  \
    160 	  $(TopDistDir)/include/llvm/Support/DataTypes.h
    161 
    162 clang-only: all
    163 tools-only: all
    164 libs-only: all
    165 install-clang: install
    166 install-libs: install
    167 
    168 # If SHOW_DIAGNOSTICS is enabled, clear the diagnostics file first.
    169 ifeq ($(SHOW_DIAGNOSTICS),1)
    170 clean-diagnostics:
    171 	$(Verb) rm -f $(LLVM_OBJ_ROOT)/$(BuildMode)/diags
    172 .PHONY: clean-diagnostics
    173 
    174 all-local:: clean-diagnostics
    175 endif
    176 
    177 #------------------------------------------------------------------------
    178 # Make sure the generated files are up-to-date. This must be kept in
    179 # sync with the AC_CONFIG_HEADER and AC_CONFIG_FILE invocations in
    180 # autoconf/configure.ac.
    181 # Note that Makefile.config is covered by its own separate rule
    182 # in Makefile.rules where it can be reused by sub-projects.
    183 #------------------------------------------------------------------------
    184 FilesToConfig := \
    185   bindings/ocaml/llvm/META.llvm \
    186   docs/doxygen.cfg \
    187   llvm.spec \
    188   include/llvm/Config/config.h \
    189   include/llvm/Config/llvm-config.h \
    190   include/llvm/Config/Targets.def \
    191   include/llvm/Config/AsmPrinters.def \
    192   include/llvm/Config/AsmParsers.def \
    193   include/llvm/Config/Disassemblers.def \
    194   include/llvm/Support/DataTypes.h
    195 FilesToConfigPATH  := $(addprefix $(LLVM_OBJ_ROOT)/,$(FilesToConfig))
    196 
    197 all-local:: $(FilesToConfigPATH)
    198 $(FilesToConfigPATH) : $(LLVM_OBJ_ROOT)/% : $(LLVM_SRC_ROOT)/%.in
    199 	$(Echo) Regenerating $*
    200 	$(Verb) cd $(LLVM_OBJ_ROOT) && $(ConfigStatusScript) $*
    201 .PRECIOUS: $(FilesToConfigPATH)
    202 
    203 # NOTE: This needs to remain as the last target definition in this file so
    204 # that it gets executed last.
    205 ifneq ($(BUILD_DIRS_ONLY),1)
    206 all::
    207 	$(Echo) '*****' Completed $(BuildMode) Build
    208 ifneq ($(ENABLE_OPTIMIZED),1)
    209 	$(Echo) '*****' Note: Debug build can be 10 times slower than an
    210 	$(Echo) '*****' optimized build. Use 'make ENABLE_OPTIMIZED=1' to
    211 	$(Echo) '*****' make an optimized build. Alternatively you can
    212 	$(Echo) '*****' configure with --enable-optimized.
    213 ifeq ($(SHOW_DIAGNOSTICS),1)
    214 	$(Verb) if test -s $(LLVM_OBJ_ROOT)/$(BuildMode)/diags; then \
    215 	  $(LLVM_SRC_ROOT)/utils/clang-parse-diagnostics-file -a \
    216 	    $(LLVM_OBJ_ROOT)/$(BuildMode)/diags; \
    217 	fi
    218 endif
    219 endif
    220 endif
    221 
    222 check-llvm2cpp:
    223 	$(Verb)$(MAKE) check TESTSUITE=Feature RUNLLVM2CPP=1
    224 
    225 srpm: $(LLVM_OBJ_ROOT)/llvm.spec
    226 	rpmbuild -bs $(LLVM_OBJ_ROOT)/llvm.spec
    227 
    228 rpm: $(LLVM_OBJ_ROOT)/llvm.spec
    229 	rpmbuild -bb --target $(TARGET_TRIPLE) $(LLVM_OBJ_ROOT)/llvm.spec
    230 
    231 show-footprint:
    232 	$(Verb) du -sk $(LibDir)
    233 	$(Verb) du -sk $(ToolDir)
    234 	$(Verb) du -sk $(ExmplDir)
    235 	$(Verb) du -sk $(ObjDir)
    236 
    237 build-for-llvm-top:
    238 	$(Verb) if test ! -f ./config.status ; then \
    239 	  ./configure --prefix="$(LLVM_TOP)/install" \
    240 	    --with-llvm-gcc="$(LLVM_TOP)/llvm-gcc" ; \
    241 	fi
    242 	$(Verb) $(MAKE) tools-only
    243 
    244 SVN = svn
    245 SVN-UPDATE-OPTIONS =
    246 AWK = awk
    247 SUB-SVN-DIRS = $(AWK) '/\?\ \ \ \ \ \ / {print $$2}'   \
    248 		| LC_ALL=C xargs $(SVN) info 2>/dev/null \
    249 		| $(AWK) '/^Path:\ / {print $$2}'
    250 
    251 update:
    252 	$(SVN) $(SVN-UPDATE-OPTIONS) update $(LLVM_SRC_ROOT)
    253 	@ $(SVN) status $(LLVM_SRC_ROOT) | $(SUB-SVN-DIRS) | xargs $(SVN) $(SVN-UPDATE-OPTIONS) update
    254 
    255 happiness: update all check-all
    256 
    257 .PHONY: srpm rpm update happiness
    258 
    259 # declare all targets at this level to be serial:
    260 
    261 .NOTPARALLEL:
    262 
    263 else # Building "Apple-style."
    264 # In an Apple-style build, once configuration is done, lines marked
    265 # "Apple-style" are removed with sed!  Please don't remove these!
    266 # Look for the string "Apple-style" in utils/buildit/build_llvm.
    267 include $(shell find . -name GNUmakefile) # Building "Apple-style."
    268 endif # Building "Apple-style."
    269