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      1 ##
      2 ##  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3 ##
      4 ##  Use of this source code is governed by a BSD-style license
      5 ##  that can be found in the LICENSE file in the root of the source
      6 ##  tree. An additional intellectual property rights grant can be found
      7 ##  in the file PATENTS.  All contributing project authors may
      8 ##  be found in the AUTHORS file in the root of the source tree.
      9 ##
     10 
     11 
     12 include config.mk
     13 quiet?=true
     14 ifeq ($(target),)
     15 # If a target wasn't specified, invoke for all enabled targets.
     16 .DEFAULT:
     17 	@for t in $(ALL_TARGETS); do \
     18 	     $(MAKE) --no-print-directory target=$$t $(MAKECMDGOALS) || exit $$?;\
     19         done
     20 all: .DEFAULT
     21 clean:: .DEFAULT
     22 install:: .DEFAULT
     23 test:: .DEFAULT
     24 testdata:: .DEFAULT
     25 
     26 
     27 # Note: md5sum is not installed on OS X, but openssl is. Openssl may not be
     28 # installed on cygwin, so we need to autodetect here.
     29 md5sum := $(firstword $(wildcard \
     30           $(foreach e,md5sum openssl,\
     31           $(foreach p,$(subst :, ,$(PATH)),$(p)/$(e)*))\
     32           ))
     33 md5sum := $(if $(filter %openssl,$(md5sum)),$(md5sum) dgst -md5,$(md5sum))
     34 
     35 TGT_CC:=$(word 3, $(subst -, ,$(TOOLCHAIN)))
     36 dist:
     37 	@for t in $(ALL_TARGETS); do \
     38 	     $(MAKE) --no-print-directory target=$$t $(MAKECMDGOALS) || exit $$?;\
     39         done
     40         # Run configure for the user with the current toolchain.
     41 	@if [ -d "$(DIST_DIR)/src" ]; then \
     42             mkdir -p "$(DIST_DIR)/build"; \
     43             cd "$(DIST_DIR)/build"; \
     44             echo "Rerunning configure $(CONFIGURE_ARGS)"; \
     45             ../src/configure $(CONFIGURE_ARGS); \
     46             $(if $(filter vs%,$(TGT_CC)),make NO_LAUNCH_DEVENV=1;) \
     47         fi
     48 	@if [ -d "$(DIST_DIR)" ]; then \
     49             echo "    [MD5SUM] $(DIST_DIR)"; \
     50 	    cd $(DIST_DIR) && \
     51 	    $(md5sum) `find . -name md5sums.txt -prune -o -type f -print` \
     52                 | sed -e 's/MD5(\(.*\))= \([0-9a-f]\{32\}\)/\2  \1/' \
     53                 > md5sums.txt;\
     54         fi
     55 
     56 
     57 endif
     58 
     59 ifneq ($(target),)
     60 # Normally, we want to build the filename from the target and the toolchain.
     61 # This disambiguates from the $(target).mk file that exists in the source tree.
     62 # However, the toolchain is part of the target in universal builds, so we
     63 # don't want to include TOOLCHAIN in that case. FAT_ARCHS is used to test
     64 # if we're in the universal case.
     65 include $(target)$(if $(FAT_ARCHS),,-$(TOOLCHAIN)).mk
     66 endif
     67 BUILD_ROOT?=.
     68 VPATH=$(SRC_PATH_BARE)
     69 CFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT) -I$(SRC_PATH)
     70 CXXFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT) -I$(SRC_PATH)
     71 ASFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT)/ -I$(SRC_PATH)/
     72 DIST_DIR?=dist
     73 HOSTCC?=gcc
     74 TGT_ISA:=$(word 1, $(subst -, ,$(TOOLCHAIN)))
     75 TGT_OS:=$(word 2, $(subst -, ,$(TOOLCHAIN)))
     76 TGT_CC:=$(word 3, $(subst -, ,$(TOOLCHAIN)))
     77 quiet:=$(if $(or $(verbose), $(V)),, yes)
     78 qexec=$(if $(quiet),@)
     79 
     80 # Cancel built-in implicit rules
     81 %: %.o
     82 %.asm:
     83 %.a:
     84 %: %.cc
     85 
     86 #
     87 # Common rules"
     88 #
     89 .PHONY: all
     90 all:
     91 
     92 .PHONY: clean
     93 clean::
     94 	rm -f $(OBJS-yes) $(OBJS-yes:.o=.d) $(OBJS-yes:.asm.s.o=.asm.s)
     95 	rm -f $(CLEAN-OBJS)
     96 
     97 .PHONY: dist
     98 dist:
     99 .PHONY: install
    100 install::
    101 .PHONY: test
    102 test::
    103 .PHONY: testdata
    104 testdata::
    105 
    106 # Add compiler flags for intrinsic files
    107 $(BUILD_PFX)%_mmx.c.d: CFLAGS += -mmmx
    108 $(BUILD_PFX)%_mmx.c.o: CFLAGS += -mmmx
    109 $(BUILD_PFX)%_sse2.c.d: CFLAGS += -msse2
    110 $(BUILD_PFX)%_sse2.c.o: CFLAGS += -msse2
    111 $(BUILD_PFX)%_sse3.c.d: CFLAGS += -msse3
    112 $(BUILD_PFX)%_sse3.c.o: CFLAGS += -msse3
    113 $(BUILD_PFX)%_ssse3.c.d: CFLAGS += -mssse3
    114 $(BUILD_PFX)%_ssse3.c.o: CFLAGS += -mssse3
    115 $(BUILD_PFX)%_sse4.c.d: CFLAGS += -msse4.1
    116 $(BUILD_PFX)%_sse4.c.o: CFLAGS += -msse4.1
    117 $(BUILD_PFX)%_avx.c.d: CFLAGS += -mavx
    118 $(BUILD_PFX)%_avx.c.o: CFLAGS += -mavx
    119 $(BUILD_PFX)%_avx2.c.d: CFLAGS += -mavx2
    120 $(BUILD_PFX)%_avx2.c.o: CFLAGS += -mavx2
    121 
    122 $(BUILD_PFX)%.c.d: %.c
    123 	$(if $(quiet),@echo "    [DEP] $@")
    124 	$(qexec)mkdir -p $(dir $@)
    125 	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -M $< | $(fmt_deps) > $@
    126 
    127 $(BUILD_PFX)%.c.o: %.c
    128 	$(if $(quiet),@echo "    [CC] $@")
    129 	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -c -o $@ $<
    130 
    131 $(BUILD_PFX)%.cc.d: %.cc
    132 	$(if $(quiet),@echo "    [DEP] $@")
    133 	$(qexec)mkdir -p $(dir $@)
    134 	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -M $< | $(fmt_deps) > $@
    135 
    136 $(BUILD_PFX)%.cc.o: %.cc
    137 	$(if $(quiet),@echo "    [CXX] $@")
    138 	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<
    139 
    140 $(BUILD_PFX)%.asm.d: %.asm
    141 	$(if $(quiet),@echo "    [DEP] $@")
    142 	$(qexec)mkdir -p $(dir $@)
    143 	$(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \
    144             --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@
    145 
    146 $(BUILD_PFX)%.asm.o: %.asm
    147 	$(if $(quiet),@echo "    [AS] $@")
    148 	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
    149 
    150 $(BUILD_PFX)%.s.d: %.s
    151 	$(if $(quiet),@echo "    [DEP] $@")
    152 	$(qexec)mkdir -p $(dir $@)
    153 	$(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \
    154             --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@
    155 
    156 $(BUILD_PFX)%.s.o: %.s
    157 	$(if $(quiet),@echo "    [AS] $@")
    158 	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
    159 
    160 .PRECIOUS: %.c.S
    161 %.c.S: CFLAGS += -DINLINE_ASM
    162 $(BUILD_PFX)%.c.S: %.c
    163 	$(if $(quiet),@echo "    [GEN] $@")
    164 	$(qexec)$(CC) -S $(CFLAGS) -o $@ $<
    165 
    166 .PRECIOUS: %.asm.s
    167 $(BUILD_PFX)%.asm.s: %.asm
    168 	$(if $(quiet),@echo "    [ASM CONVERSION] $@")
    169 	$(qexec)mkdir -p $(dir $@)
    170 	$(qexec)$(ASM_CONVERSION) <$< >$@
    171 
    172 # If we're in debug mode, pretend we don't have GNU strip, to fall back to
    173 # the copy implementation
    174 HAVE_GNU_STRIP := $(if $(CONFIG_DEBUG),,$(HAVE_GNU_STRIP))
    175 ifeq ($(HAVE_GNU_STRIP),yes)
    176 # Older binutils strip global sybols not needed for relocation processing
    177 # when given --strip-unneeded. Use nm and awk to identify globals and
    178 # keep them.
    179 %.a: %_g.a
    180 	$(if $(quiet),@echo "    [STRIP] $@ < $<")
    181 	$(qexec)$(STRIP) --strip-unneeded \
    182          `$(NM) $< | grep ' [A-TV-Z] ' | awk '{print "-K"$$3'}`\
    183           -o $@ $<
    184 else
    185 %.a: %_g.a
    186 	$(if $(quiet),@echo "    [CP] $@ < $<")
    187 	$(qexec)cp $< $@
    188 endif
    189 
    190 #
    191 # Rule to extract assembly constants from C sources
    192 #
    193 obj_int_extract: build/make/obj_int_extract.c
    194 	$(if $(quiet),@echo "    [HOSTCC] $@")
    195 	$(qexec)$(HOSTCC) -I. -I$(SRC_PATH_BARE) -o $@ $<
    196 CLEAN-OBJS += obj_int_extract
    197 
    198 #
    199 # Utility functions
    200 #
    201 pairmap=$(if $(strip $(2)),\
    202     $(call $(1),$(word 1,$(2)),$(word 2,$(2)))\
    203     $(call pairmap,$(1),$(wordlist 3,$(words $(2)),$(2)))\
    204 )
    205 
    206 enabled=$(filter-out $($(1)-no),$($(1)-yes))
    207 cond_enabled=$(if $(filter yes,$($(1))), $(call enabled,$(2)))
    208 
    209 find_file1=$(word 1,$(wildcard $(subst //,/,$(addsuffix /$(1),$(2)))))
    210 find_file=$(foreach f,$(1),$(call find_file1,$(strip $(f)),$(strip $(2))) )
    211 obj_pats=.c=.c.o $(AS_SFX)=$(AS_SFX).o .cc=.cc.o
    212 objs=$(addprefix $(BUILD_PFX),$(foreach p,$(obj_pats),$(filter %.o,$(1:$(p))) ))
    213 
    214 install_map_templates=$(eval $(call install_map_template,$(1),$(2)))
    215 
    216 not=$(subst yes,no,$(1))
    217 
    218 ifeq ($(CONFIG_MSVS),yes)
    219 lib_file_name=$(1).lib
    220 else
    221 lib_file_name=lib$(1).a
    222 endif
    223 #
    224 # Rule Templates
    225 #
    226 define linker_template
    227 $(1): $(filter-out -%,$(2))
    228 $(1):
    229 	$(if $(quiet),@echo    "    [LD] $$@")
    230 	$(qexec)$$(LD) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
    231 endef
    232 define linkerxx_template
    233 $(1): $(filter-out -%,$(2))
    234 $(1):
    235 	$(if $(quiet),@echo    "    [LD] $$@")
    236 	$(qexec)$$(CXX) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
    237 endef
    238 # make-3.80 has a bug with expanding large input strings to the eval function,
    239 # which was triggered in some cases by the following component of
    240 # linker_template:
    241 #   $(1): $$(call find_file, $(patsubst -l%,lib%.a,$(filter -l%,$(2))),\
    242 #                           $$(patsubst -L%,%,$$(filter -L%,$$(LDFLAGS) $(2))))
    243 # This may be useful to revisit in the future (it tries to locate libraries
    244 # in a search path and add them as prerequisites
    245 
    246 define install_map_template
    247 $(DIST_DIR)/$(1): $(2)
    248 	$(if $(quiet),@echo "    [INSTALL] $$@")
    249 	$(qexec)mkdir -p $$(dir $$@)
    250 	$(qexec)cp -p $$< $$@
    251 endef
    252 
    253 define archive_template
    254 # Not using a pattern rule here because we don't want to generate empty
    255 # archives when they are listed as a dependency in files not responsible
    256 # for creating them.
    257 $(1):
    258 	$(if $(quiet),@echo "    [AR] $$@")
    259 	$(qexec)$$(AR) $$(ARFLAGS) $$@ $$?
    260 endef
    261 
    262 define so_template
    263 # Not using a pattern rule here because we don't want to generate empty
    264 # archives when they are listed as a dependency in files not responsible
    265 # for creating them.
    266 #
    267 # This needs further abstraction for dealing with non-GNU linkers.
    268 $(1):
    269 	$(if $(quiet),@echo "    [LD] $$@")
    270 	$(qexec)$$(LD) -shared $$(LDFLAGS) \
    271             -Wl,--no-undefined -Wl,-soname,$$(SONAME) \
    272             -Wl,--version-script,$$(EXPORTS_FILE) -o $$@ \
    273             $$(filter %.o,$$^) $$(extralibs)
    274 endef
    275 
    276 define dl_template
    277 # Not using a pattern rule here because we don't want to generate empty
    278 # archives when they are listed as a dependency in files not responsible
    279 # for creating them.
    280 $(1):
    281 	$(if $(quiet),@echo "    [LD] $$@")
    282 	$(qexec)$$(LD) -dynamiclib $$(LDFLAGS) \
    283 	    -exported_symbols_list $$(EXPORTS_FILE) \
    284         -Wl,-headerpad_max_install_names,-compatibility_version,1.0,-current_version,$$(VERSION_MAJOR) \
    285         -o $$@ \
    286         $$(filter %.o,$$^) $$(extralibs)
    287 endef
    288 
    289 
    290 
    291 define lipo_lib_template
    292 $(1): $(addsuffix /$(1),$(FAT_ARCHS))
    293 	$(if $(quiet),@echo "    [LIPO] $$@")
    294 	$(qexec)libtool -static -o $$@ $$?
    295 endef
    296 
    297 define lipo_bin_template
    298 $(1): $(addsuffix /$(1),$(FAT_ARCHS))
    299 	$(if $(quiet),@echo "    [LIPO] $$@")
    300 	$(qexec)lipo -output $$@ -create $$?
    301 endef
    302 
    303 
    304 #
    305 # Get current configuration
    306 #
    307 ifneq ($(target),)
    308 include $(SRC_PATH_BARE)/$(target:-$(TOOLCHAIN)=).mk
    309 endif
    310 ifeq ($(filter clean,$(MAKECMDGOALS)),)
    311   # Older versions of make don't like -include directives with no arguments
    312   ifneq ($(filter %.d,$(OBJS-yes:.o=.d)),)
    313     -include $(filter %.d,$(OBJS-yes:.o=.d))
    314   endif
    315 endif
    316 
    317 #
    318 # Configuration dependent rules
    319 #
    320 $(call pairmap,install_map_templates,$(INSTALL_MAPS))
    321 
    322 DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,DOCS)
    323 .docs: $(DOCS)
    324 	@touch $@
    325 
    326 INSTALL-DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,INSTALL-DOCS)
    327 ifeq ($(MAKECMDGOALS),dist)
    328 INSTALL-DOCS+=$(call cond_enabled,CONFIG_INSTALL_DOCS,DIST-DOCS)
    329 endif
    330 .install-docs: .docs $(addprefix $(DIST_DIR)/,$(INSTALL-DOCS))
    331 	@touch $@
    332 
    333 clean::
    334 	rm -f .docs .install-docs $(DOCS)
    335 
    336 BINS=$(call enabled,BINS)
    337 .bins: $(BINS)
    338 	@touch $@
    339 
    340 INSTALL-BINS=$(call cond_enabled,CONFIG_INSTALL_BINS,INSTALL-BINS)
    341 ifeq ($(MAKECMDGOALS),dist)
    342 INSTALL-BINS+=$(call cond_enabled,CONFIG_INSTALL_BINS,DIST-BINS)
    343 endif
    344 .install-bins: .bins $(addprefix $(DIST_DIR)/,$(INSTALL-BINS))
    345 	@touch $@
    346 
    347 clean::
    348 	rm -f .bins .install-bins $(BINS)
    349 
    350 LIBS=$(call enabled,LIBS)
    351 .libs: $(LIBS)
    352 	@touch $@
    353 $(foreach lib,$(filter %_g.a,$(LIBS)),$(eval $(call archive_template,$(lib))))
    354 $(foreach lib,$(filter %so.$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH),$(LIBS)),$(eval $(call so_template,$(lib))))
    355 $(foreach lib,$(filter %$(VERSION_MAJOR).dylib,$(LIBS)),$(eval $(call dl_template,$(lib))))
    356 
    357 INSTALL-LIBS=$(call cond_enabled,CONFIG_INSTALL_LIBS,INSTALL-LIBS)
    358 ifeq ($(MAKECMDGOALS),dist)
    359 INSTALL-LIBS+=$(call cond_enabled,CONFIG_INSTALL_LIBS,DIST-LIBS)
    360 endif
    361 .install-libs: .libs $(addprefix $(DIST_DIR)/,$(INSTALL-LIBS))
    362 	@touch $@
    363 
    364 clean::
    365 	rm -f .libs .install-libs $(LIBS)
    366 
    367 ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
    368 PROJECTS=$(call enabled,PROJECTS)
    369 .projects: $(PROJECTS)
    370 	@touch $@
    371 
    372 INSTALL-PROJECTS=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,INSTALL-PROJECTS)
    373 ifeq ($(MAKECMDGOALS),dist)
    374 INSTALL-PROJECTS+=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,DIST-PROJECTS)
    375 endif
    376 .install-projects: .projects $(addprefix $(DIST_DIR)/,$(INSTALL-PROJECTS))
    377 	@touch $@
    378 
    379 clean::
    380 	rm -f .projects .install-projects $(PROJECTS)
    381 endif
    382 
    383 # If there are any source files to be distributed, then include the build
    384 # system too.
    385 ifneq ($(call enabled,DIST-SRCS),)
    386     DIST-SRCS-yes            += configure
    387     DIST-SRCS-yes            += build/make/configure.sh
    388     DIST-SRCS-yes            += build/make/gen_asm_deps.sh
    389     DIST-SRCS-yes            += build/make/Makefile
    390     DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_def.sh
    391     DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_proj.sh
    392     DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_sln.sh
    393     DIST-SRCS-$(CONFIG_MSVS)  += build/x86-msvs/yasm.rules
    394     DIST-SRCS-$(CONFIG_MSVS)  += build/x86-msvs/obj_int_extract.bat
    395     DIST-SRCS-$(CONFIG_MSVS)  += build/arm-msvs/obj_int_extract.bat
    396     DIST-SRCS-$(CONFIG_RVCT) += build/make/armlink_adapter.sh
    397     # Include obj_int_extract if we use offsets from *_asm_*_offsets
    398     DIST-SRCS-$(ARCH_ARM)$(ARCH_X86)$(ARCH_X86_64)    += build/make/obj_int_extract.c
    399     DIST-SRCS-$(ARCH_ARM)    += build/make/ads2gas.pl
    400     DIST-SRCS-$(ARCH_ARM)    += build/make/ads2gas_apple.pl
    401     DIST-SRCS-$(ARCH_ARM)    += build/make/ads2armasm_ms.pl
    402     DIST-SRCS-$(ARCH_ARM)    += build/make/thumb.pm
    403     DIST-SRCS-yes            += $(target:-$(TOOLCHAIN)=).mk
    404 endif
    405 INSTALL-SRCS := $(call cond_enabled,CONFIG_INSTALL_SRCS,INSTALL-SRCS)
    406 ifeq ($(MAKECMDGOALS),dist)
    407 INSTALL-SRCS += $(call cond_enabled,CONFIG_INSTALL_SRCS,DIST-SRCS)
    408 endif
    409 .install-srcs: $(addprefix $(DIST_DIR)/src/,$(INSTALL-SRCS))
    410 	@touch $@
    411 
    412 clean::
    413 	rm -f .install-srcs
    414 
    415 ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
    416     BUILD_TARGETS += .projects
    417     INSTALL_TARGETS += .install-projects
    418 endif
    419 BUILD_TARGETS += .docs .libs .bins
    420 INSTALL_TARGETS += .install-docs .install-srcs .install-libs .install-bins
    421 all: $(BUILD_TARGETS)
    422 install:: $(INSTALL_TARGETS)
    423 dist: $(INSTALL_TARGETS)
    424 test::
    425