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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 IR.
     15 #   3. Build IR, 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/IR 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 \
     72           tools/clang/tools/c-index-test \
     73           tools/clang/include/clang-c \
     74           tools/clang/runtime tools/clang/docs \
     75           tools/lto runtime
     76   OPTIONAL_DIRS :=
     77   NO_INSTALL = 1
     78 endif
     79 
     80 ifeq ($(MAKECMDGOALS),clang-only)
     81   DIRS := $(filter-out tools docs unittests, $(DIRS)) \
     82           tools/clang tools/lto
     83   OPTIONAL_DIRS :=
     84 endif
     85 
     86 ifeq ($(MAKECMDGOALS),unittests)
     87   DIRS := $(filter-out tools runtime docs, $(DIRS)) utils unittests
     88   OPTIONAL_DIRS :=
     89 endif
     90 
     91 # Use NO_INSTALL define of the Makefile of each directory for deciding
     92 # if the directory is installed or not
     93 ifeq ($(MAKECMDGOALS),install)
     94   OPTIONAL_DIRS := $(filter bindings, $(OPTIONAL_DIRS))
     95 endif
     96 
     97 # Don't build unittests when ONLY_TOOLS is set.
     98 ifneq ($(ONLY_TOOLS),)
     99   DIRS := $(filter-out unittests, $(DIRS))
    100 endif
    101 
    102 # If we're cross-compiling, build the build-hosted tools first
    103 ifeq ($(LLVM_CROSS_COMPILING),1)
    104 all:: cross-compile-build-tools
    105 
    106 clean::
    107 	$(Verb) rm -rf BuildTools
    108 
    109 cross-compile-build-tools:
    110 	$(Verb) if [ ! -f BuildTools/Makefile ]; then \
    111           $(MKDIR) BuildTools; \
    112 	  cd BuildTools ; \
    113 	  unset CFLAGS ; \
    114 	  unset CXXFLAGS ; \
    115 	  unset SDKROOT ; \
    116 	  unset UNIVERSAL_SDK_PATH ; \
    117 	  $(PROJ_SRC_DIR)/configure --build=$(BUILD_TRIPLE) \
    118 		--host=$(BUILD_TRIPLE) --target=$(BUILD_TRIPLE) \
    119 	        --disable-polly ; \
    120 	  cd .. ; \
    121 	fi; \
    122 	($(MAKE) -C BuildTools \
    123 	  BUILD_DIRS_ONLY=1 \
    124 	  UNIVERSAL= \
    125 	  UNIVERSAL_SDK_PATH= \
    126 	  SDKROOT= \
    127 	  TARGET_NATIVE_ARCH="$(TARGET_NATIVE_ARCH)" \
    128 	  TARGETS_TO_BUILD="$(TARGETS_TO_BUILD)" \
    129 	  ENABLE_OPTIMIZED=$(ENABLE_OPTIMIZED) \
    130 	  ENABLE_PROFILING=$(ENABLE_PROFILING) \
    131 	  ENABLE_COVERAGE=$(ENABLE_COVERAGE) \
    132 	  DISABLE_ASSERTIONS=$(DISABLE_ASSERTIONS) \
    133 	  ENABLE_EXPENSIVE_CHECKS=$(ENABLE_EXPENSIVE_CHECKS) \
    134 	  ENABLE_LIBCPP=$(ENABLE_LIBCPP) \
    135 	  CFLAGS= \
    136 	  CXXFLAGS= \
    137 	) || exit 1;
    138 endif
    139 
    140 # Include the main makefile machinery.
    141 include $(LLVM_SRC_ROOT)/Makefile.rules
    142 
    143 # Specify options to pass to configure script when we're
    144 # running the dist-check target
    145 DIST_CHECK_CONFIG_OPTIONS = --with-llvmgccdir=$(LLVMGCCDIR)
    146 
    147 .PHONY: debug-opt-prof
    148 debug-opt-prof:
    149 	$(Echo) Building Debug Version
    150 	$(Verb) $(MAKE)
    151 	$(Echo)
    152 	$(Echo) Building Optimized Version
    153 	$(Echo)
    154 	$(Verb) $(MAKE) ENABLE_OPTIMIZED=1
    155 	$(Echo)
    156 	$(Echo) Building Profiling Version
    157 	$(Echo)
    158 	$(Verb) $(MAKE) ENABLE_PROFILING=1
    159 
    160 dist-hook::
    161 	$(Echo) Eliminating files constructed by configure
    162 	$(Verb) $(RM) -f \
    163 	  $(TopDistDir)/include/llvm/Config/config.h  \
    164 	  $(TopDistDir)/include/llvm/Support/DataTypes.h
    165 
    166 clang-only: all
    167 tools-only: all
    168 libs-only: all
    169 install-clang: install
    170 install-libs: install
    171 
    172 # If SHOW_DIAGNOSTICS is enabled, clear the diagnostics file first.
    173 ifeq ($(SHOW_DIAGNOSTICS),1)
    174 clean-diagnostics:
    175 	$(Verb) rm -f $(LLVM_OBJ_ROOT)/$(BuildMode)/diags
    176 .PHONY: clean-diagnostics
    177 
    178 all-local:: clean-diagnostics
    179 endif
    180 
    181 #------------------------------------------------------------------------
    182 # Make sure the generated files are up-to-date. This must be kept in
    183 # sync with the AC_CONFIG_HEADER and AC_CONFIG_FILE invocations in
    184 # autoconf/configure.ac.
    185 # Note that Makefile.config is covered by its own separate rule
    186 # in Makefile.rules where it can be reused by sub-projects.
    187 #------------------------------------------------------------------------
    188 FilesToConfig := \
    189   bindings/ocaml/llvm/META.llvm \
    190   docs/doxygen.cfg \
    191   llvm.spec \
    192   include/llvm/Config/config.h \
    193   include/llvm/Config/llvm-config.h \
    194   include/llvm/Config/Targets.def \
    195   include/llvm/Config/AsmPrinters.def \
    196   include/llvm/Config/AsmParsers.def \
    197   include/llvm/Config/Disassemblers.def \
    198   include/llvm/Support/DataTypes.h
    199 FilesToConfigPATH  := $(addprefix $(LLVM_OBJ_ROOT)/,$(FilesToConfig))
    200 
    201 all-local:: $(FilesToConfigPATH)
    202 $(FilesToConfigPATH) : $(LLVM_OBJ_ROOT)/% : $(LLVM_SRC_ROOT)/%.in
    203 	$(Echo) Regenerating $*
    204 	$(Verb) cd $(LLVM_OBJ_ROOT) && $(ConfigStatusScript) $*
    205 .PRECIOUS: $(FilesToConfigPATH)
    206 
    207 # NOTE: This needs to remain as the last target definition in this file so
    208 # that it gets executed last.
    209 ifneq ($(BUILD_DIRS_ONLY),1)
    210 all::
    211 	$(Echo) '*****' Completed $(BuildMode) Build
    212 ifneq ($(ENABLE_OPTIMIZED),1)
    213 	$(Echo) '*****' Note: Debug build can be 10 times slower than an
    214 	$(Echo) '*****' optimized build. Use 'make ENABLE_OPTIMIZED=1' to
    215 	$(Echo) '*****' make an optimized build. Alternatively you can
    216 	$(Echo) '*****' configure with --enable-optimized.
    217 ifeq ($(SHOW_DIAGNOSTICS),1)
    218 	$(Verb) if test -s $(LLVM_OBJ_ROOT)/$(BuildMode)/diags; then \
    219 	  $(LLVM_SRC_ROOT)/utils/clang-parse-diagnostics-file -a \
    220 	    $(LLVM_OBJ_ROOT)/$(BuildMode)/diags; \
    221 	fi
    222 endif
    223 endif
    224 endif
    225 
    226 check-llvm2cpp:
    227 	$(Verb)$(MAKE) check TESTSUITE=Feature RUNLLVM2CPP=1
    228 
    229 srpm: $(LLVM_OBJ_ROOT)/llvm.spec
    230 	rpmbuild -bs $(LLVM_OBJ_ROOT)/llvm.spec
    231 
    232 rpm: $(LLVM_OBJ_ROOT)/llvm.spec
    233 	rpmbuild -bb --target $(TARGET_TRIPLE) $(LLVM_OBJ_ROOT)/llvm.spec
    234 
    235 show-footprint:
    236 	$(Verb) du -sk $(LibDir)
    237 	$(Verb) du -sk $(ToolDir)
    238 	$(Verb) du -sk $(ExmplDir)
    239 	$(Verb) du -sk $(ObjDir)
    240 
    241 build-for-llvm-top:
    242 	$(Verb) if test ! -f ./config.status ; then \
    243 	  ./configure --prefix="$(LLVM_TOP)/install" \
    244 	    --with-llvm-gcc="$(LLVM_TOP)/llvm-gcc" ; \
    245 	fi
    246 	$(Verb) $(MAKE) tools-only
    247 
    248 SVN = svn
    249 SVN-UPDATE-OPTIONS =
    250 AWK = awk
    251 
    252 # Multiline variable defining a recursive function for finding svn repos rooted at
    253 # a given path. svnup() requires one argument: the root to search from.
    254 define SUB_SVN_DIRS
    255 svnup() {
    256   dirs=`svn status --no-ignore $$1 | awk '/^(I|\?) / {print $$2}' | LC_ALL=C xargs svn info 2>/dev/null | awk '/^Path:\ / {print $$2}'`;
    257   if [ "$$dirs" = "" ]; then
    258     return;
    259   fi;
    260   for f in $$dirs; do
    261 	  echo $$f;
    262     svnup $$f;
    263   done
    264 }
    265 endef
    266 export SUB_SVN_DIRS
    267 
    268 update:
    269 	$(SVN) $(SVN-UPDATE-OPTIONS) update $(LLVM_SRC_ROOT)
    270 	@eval $$SUB_SVN_DIRS; $(SVN) status --no-ignore $(LLVM_SRC_ROOT) | svnup $(LLVM_SRC_ROOT) | xargs $(SVN) $(SVN-UPDATE-OPTIONS) update
    271 
    272 happiness: update all check-all
    273 
    274 .PHONY: srpm rpm update happiness
    275 
    276 # declare all targets at this level to be serial:
    277 
    278 .NOTPARALLEL:
    279 
    280 else # Building "Apple-style."
    281 # In an Apple-style build, once configuration is done, lines marked
    282 # "Apple-style" are removed with sed!  Please don't remove these!
    283 # Look for the string "Apple-style" in utils/buildit/build_llvm.
    284 include $(shell find . -name GNUmakefile) # Building "Apple-style."
    285 endif # Building "Apple-style."
    286