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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 $(CLEAN-OBJS)
     96 
     97 .PHONY: clean
     98 distclean: clean
     99 	if [ -z "$(target)" ]; then \
    100       rm -f Makefile; \
    101       rm -f config.log config.mk; \
    102       rm -f vpx_config.[hc] vpx_config.asm; \
    103     else \
    104       rm -f $(target)-$(TOOLCHAIN).mk; \
    105     fi
    106 
    107 .PHONY: dist
    108 dist:
    109 .PHONY: install
    110 install::
    111 .PHONY: test
    112 test::
    113 .PHONY: testdata
    114 testdata::
    115 
    116 # Add compiler flags for intrinsic files
    117 $(BUILD_PFX)%_mmx.c.d: CFLAGS += -mmmx
    118 $(BUILD_PFX)%_mmx.c.o: CFLAGS += -mmmx
    119 $(BUILD_PFX)%_sse2.c.d: CFLAGS += -msse2
    120 $(BUILD_PFX)%_sse2.c.o: CFLAGS += -msse2
    121 $(BUILD_PFX)%_sse3.c.d: CFLAGS += -msse3
    122 $(BUILD_PFX)%_sse3.c.o: CFLAGS += -msse3
    123 $(BUILD_PFX)%_ssse3.c.d: CFLAGS += -mssse3
    124 $(BUILD_PFX)%_ssse3.c.o: CFLAGS += -mssse3
    125 $(BUILD_PFX)%_sse4.c.d: CFLAGS += -msse4.1
    126 $(BUILD_PFX)%_sse4.c.o: CFLAGS += -msse4.1
    127 $(BUILD_PFX)%_avx.c.d: CFLAGS += -mavx
    128 $(BUILD_PFX)%_avx.c.o: CFLAGS += -mavx
    129 $(BUILD_PFX)%_avx2.c.d: CFLAGS += -mavx2
    130 $(BUILD_PFX)%_avx2.c.o: CFLAGS += -mavx2
    131 
    132 $(BUILD_PFX)%.c.d: %.c
    133 	$(if $(quiet),@echo "    [DEP] $@")
    134 	$(qexec)mkdir -p $(dir $@)
    135 	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -M $< | $(fmt_deps) > $@
    136 
    137 $(BUILD_PFX)%.c.o: %.c
    138 	$(if $(quiet),@echo "    [CC] $@")
    139 	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -c -o $@ $<
    140 
    141 $(BUILD_PFX)%.cc.d: %.cc
    142 	$(if $(quiet),@echo "    [DEP] $@")
    143 	$(qexec)mkdir -p $(dir $@)
    144 	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -M $< | $(fmt_deps) > $@
    145 
    146 $(BUILD_PFX)%.cc.o: %.cc
    147 	$(if $(quiet),@echo "    [CXX] $@")
    148 	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<
    149 
    150 $(BUILD_PFX)%.asm.d: %.asm
    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)%.asm.o: %.asm
    157 	$(if $(quiet),@echo "    [AS] $@")
    158 	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
    159 
    160 $(BUILD_PFX)%.s.d: %.s
    161 	$(if $(quiet),@echo "    [DEP] $@")
    162 	$(qexec)mkdir -p $(dir $@)
    163 	$(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \
    164             --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@
    165 
    166 $(BUILD_PFX)%.s.o: %.s
    167 	$(if $(quiet),@echo "    [AS] $@")
    168 	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
    169 
    170 .PRECIOUS: %.c.S
    171 %.c.S: CFLAGS += -DINLINE_ASM
    172 $(BUILD_PFX)%.c.S: %.c
    173 	$(if $(quiet),@echo "    [GEN] $@")
    174 	$(qexec)$(CC) -S $(CFLAGS) -o $@ $<
    175 
    176 .PRECIOUS: %.asm.s
    177 $(BUILD_PFX)%.asm.s: %.asm
    178 	$(if $(quiet),@echo "    [ASM CONVERSION] $@")
    179 	$(qexec)mkdir -p $(dir $@)
    180 	$(qexec)$(ASM_CONVERSION) <$< >$@
    181 
    182 # If we're in debug mode, pretend we don't have GNU strip, to fall back to
    183 # the copy implementation
    184 HAVE_GNU_STRIP := $(if $(CONFIG_DEBUG),,$(HAVE_GNU_STRIP))
    185 ifeq ($(HAVE_GNU_STRIP),yes)
    186 # Older binutils strip global sybols not needed for relocation processing
    187 # when given --strip-unneeded. Use nm and awk to identify globals and
    188 # keep them.
    189 %.a: %_g.a
    190 	$(if $(quiet),@echo "    [STRIP] $@ < $<")
    191 	$(qexec)$(STRIP) --strip-unneeded \
    192          `$(NM) $< | grep ' [A-TV-Z] ' | awk '{print "-K"$$3'}`\
    193           -o $@ $<
    194 else
    195 %.a: %_g.a
    196 	$(if $(quiet),@echo "    [CP] $@ < $<")
    197 	$(qexec)cp $< $@
    198 endif
    199 
    200 #
    201 # Rule to extract assembly constants from C sources
    202 #
    203 obj_int_extract: build/make/obj_int_extract.c
    204 	$(if $(quiet),@echo "    [HOSTCC] $@")
    205 	$(qexec)$(HOSTCC) -I. -I$(SRC_PATH_BARE) -o $@ $<
    206 CLEAN-OBJS += obj_int_extract
    207 
    208 #
    209 # Utility functions
    210 #
    211 pairmap=$(if $(strip $(2)),\
    212     $(call $(1),$(word 1,$(2)),$(word 2,$(2)))\
    213     $(call pairmap,$(1),$(wordlist 3,$(words $(2)),$(2)))\
    214 )
    215 
    216 enabled=$(filter-out $($(1)-no),$($(1)-yes))
    217 cond_enabled=$(if $(filter yes,$($(1))), $(call enabled,$(2)))
    218 
    219 find_file1=$(word 1,$(wildcard $(subst //,/,$(addsuffix /$(1),$(2)))))
    220 find_file=$(foreach f,$(1),$(call find_file1,$(strip $(f)),$(strip $(2))) )
    221 obj_pats=.c=.c.o $(AS_SFX)=$(AS_SFX).o .cc=.cc.o
    222 objs=$(addprefix $(BUILD_PFX),$(foreach p,$(obj_pats),$(filter %.o,$(1:$(p))) ))
    223 
    224 install_map_templates=$(eval $(call install_map_template,$(1),$(2)))
    225 
    226 not=$(subst yes,no,$(1))
    227 
    228 ifeq ($(CONFIG_MSVS),yes)
    229 lib_file_name=$(1).lib
    230 else
    231 lib_file_name=lib$(1).a
    232 endif
    233 #
    234 # Rule Templates
    235 #
    236 define linker_template
    237 $(1): $(filter-out -%,$(2))
    238 $(1):
    239 	$(if $(quiet),@echo    "    [LD] $$@")
    240 	$(qexec)$$(LD) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
    241 endef
    242 define linkerxx_template
    243 $(1): $(filter-out -%,$(2))
    244 $(1):
    245 	$(if $(quiet),@echo    "    [LD] $$@")
    246 	$(qexec)$$(CXX) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
    247 endef
    248 # make-3.80 has a bug with expanding large input strings to the eval function,
    249 # which was triggered in some cases by the following component of
    250 # linker_template:
    251 #   $(1): $$(call find_file, $(patsubst -l%,lib%.a,$(filter -l%,$(2))),\
    252 #                           $$(patsubst -L%,%,$$(filter -L%,$$(LDFLAGS) $(2))))
    253 # This may be useful to revisit in the future (it tries to locate libraries
    254 # in a search path and add them as prerequisites
    255 
    256 define install_map_template
    257 $(DIST_DIR)/$(1): $(2)
    258 	$(if $(quiet),@echo "    [INSTALL] $$@")
    259 	$(qexec)mkdir -p $$(dir $$@)
    260 	$(qexec)cp -p $$< $$@
    261 endef
    262 
    263 define archive_template
    264 # Not using a pattern rule here because we don't want to generate empty
    265 # archives when they are listed as a dependency in files not responsible
    266 # for creating them.
    267 $(1):
    268 	$(if $(quiet),@echo "    [AR] $$@")
    269 	$(qexec)$$(AR) $$(ARFLAGS) $$@ $$?
    270 endef
    271 
    272 define so_template
    273 # Not using a pattern rule here because we don't want to generate empty
    274 # archives when they are listed as a dependency in files not responsible
    275 # for creating them.
    276 #
    277 # This needs further abstraction for dealing with non-GNU linkers.
    278 $(1):
    279 	$(if $(quiet),@echo "    [LD] $$@")
    280 	$(qexec)$$(LD) -shared $$(LDFLAGS) \
    281             -Wl,--no-undefined -Wl,-soname,$$(SONAME) \
    282             -Wl,--version-script,$$(EXPORTS_FILE) -o $$@ \
    283             $$(filter %.o,$$^) $$(extralibs)
    284 endef
    285 
    286 define dl_template
    287 # Not using a pattern rule here because we don't want to generate empty
    288 # archives when they are listed as a dependency in files not responsible
    289 # for creating them.
    290 $(1):
    291 	$(if $(quiet),@echo "    [LD] $$@")
    292 	$(qexec)$$(LD) -dynamiclib $$(LDFLAGS) \
    293 	    -exported_symbols_list $$(EXPORTS_FILE) \
    294         -Wl,-headerpad_max_install_names,-compatibility_version,1.0,-current_version,$$(VERSION_MAJOR) \
    295         -o $$@ \
    296         $$(filter %.o,$$^) $$(extralibs)
    297 endef
    298 
    299 
    300 
    301 define lipo_lib_template
    302 $(1): $(addsuffix /$(1),$(FAT_ARCHS))
    303 	$(if $(quiet),@echo "    [LIPO] $$@")
    304 	$(qexec)libtool -static -o $$@ $$?
    305 endef
    306 
    307 define lipo_bin_template
    308 $(1): $(addsuffix /$(1),$(FAT_ARCHS))
    309 	$(if $(quiet),@echo "    [LIPO] $$@")
    310 	$(qexec)lipo -output $$@ -create $$?
    311 endef
    312 
    313 
    314 #
    315 # Get current configuration
    316 #
    317 ifneq ($(target),)
    318 include $(SRC_PATH_BARE)/$(target:-$(TOOLCHAIN)=).mk
    319 endif
    320 ifeq ($(filter %clean,$(MAKECMDGOALS)),)
    321   # Older versions of make don't like -include directives with no arguments
    322   ifneq ($(filter %.d,$(OBJS-yes:.o=.d)),)
    323     -include $(filter %.d,$(OBJS-yes:.o=.d))
    324   endif
    325 endif
    326 
    327 #
    328 # Configuration dependent rules
    329 #
    330 $(call pairmap,install_map_templates,$(INSTALL_MAPS))
    331 
    332 DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,DOCS)
    333 .docs: $(DOCS)
    334 	@touch $@
    335 
    336 INSTALL-DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,INSTALL-DOCS)
    337 ifeq ($(MAKECMDGOALS),dist)
    338 INSTALL-DOCS+=$(call cond_enabled,CONFIG_INSTALL_DOCS,DIST-DOCS)
    339 endif
    340 .install-docs: .docs $(addprefix $(DIST_DIR)/,$(INSTALL-DOCS))
    341 	@touch $@
    342 
    343 clean::
    344 	rm -f .docs .install-docs $(DOCS)
    345 
    346 BINS=$(call enabled,BINS)
    347 .bins: $(BINS)
    348 	@touch $@
    349 
    350 INSTALL-BINS=$(call cond_enabled,CONFIG_INSTALL_BINS,INSTALL-BINS)
    351 ifeq ($(MAKECMDGOALS),dist)
    352 INSTALL-BINS+=$(call cond_enabled,CONFIG_INSTALL_BINS,DIST-BINS)
    353 endif
    354 .install-bins: .bins $(addprefix $(DIST_DIR)/,$(INSTALL-BINS))
    355 	@touch $@
    356 
    357 clean::
    358 	rm -f .bins .install-bins $(BINS)
    359 
    360 LIBS=$(call enabled,LIBS)
    361 .libs: $(LIBS)
    362 	@touch $@
    363 $(foreach lib,$(filter %_g.a,$(LIBS)),$(eval $(call archive_template,$(lib))))
    364 $(foreach lib,$(filter %so.$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH),$(LIBS)),$(eval $(call so_template,$(lib))))
    365 $(foreach lib,$(filter %$(VERSION_MAJOR).dylib,$(LIBS)),$(eval $(call dl_template,$(lib))))
    366 
    367 INSTALL-LIBS=$(call cond_enabled,CONFIG_INSTALL_LIBS,INSTALL-LIBS)
    368 ifeq ($(MAKECMDGOALS),dist)
    369 INSTALL-LIBS+=$(call cond_enabled,CONFIG_INSTALL_LIBS,DIST-LIBS)
    370 endif
    371 .install-libs: .libs $(addprefix $(DIST_DIR)/,$(INSTALL-LIBS))
    372 	@touch $@
    373 
    374 clean::
    375 	rm -f .libs .install-libs $(LIBS)
    376 
    377 ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
    378 PROJECTS=$(call enabled,PROJECTS)
    379 .projects: $(PROJECTS)
    380 	@touch $@
    381 
    382 INSTALL-PROJECTS=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,INSTALL-PROJECTS)
    383 ifeq ($(MAKECMDGOALS),dist)
    384 INSTALL-PROJECTS+=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,DIST-PROJECTS)
    385 endif
    386 .install-projects: .projects $(addprefix $(DIST_DIR)/,$(INSTALL-PROJECTS))
    387 	@touch $@
    388 
    389 clean::
    390 	rm -f .projects .install-projects $(PROJECTS)
    391 endif
    392 
    393 # If there are any source files to be distributed, then include the build
    394 # system too.
    395 ifneq ($(call enabled,DIST-SRCS),)
    396     DIST-SRCS-yes            += configure
    397     DIST-SRCS-yes            += build/make/configure.sh
    398     DIST-SRCS-yes            += build/make/gen_asm_deps.sh
    399     DIST-SRCS-yes            += build/make/Makefile
    400     DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_def.sh
    401     DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_proj.sh
    402     DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_sln.sh
    403     DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_vcxproj.sh
    404     DIST-SRCS-$(CONFIG_MSVS)  += build/x86-msvs/obj_int_extract.bat
    405     DIST-SRCS-$(CONFIG_MSVS)  += build/arm-msvs/obj_int_extract.bat
    406     DIST-SRCS-$(CONFIG_RVCT) += build/make/armlink_adapter.sh
    407     # Include obj_int_extract if we use offsets from *_asm_*_offsets
    408     DIST-SRCS-$(ARCH_ARM)$(ARCH_X86)$(ARCH_X86_64)    += build/make/obj_int_extract.c
    409     DIST-SRCS-$(ARCH_ARM)    += build/make/ads2gas.pl
    410     DIST-SRCS-$(ARCH_ARM)    += build/make/ads2gas_apple.pl
    411     DIST-SRCS-$(ARCH_ARM)    += build/make/ads2armasm_ms.pl
    412     DIST-SRCS-$(ARCH_ARM)    += build/make/thumb.pm
    413     DIST-SRCS-yes            += $(target:-$(TOOLCHAIN)=).mk
    414 endif
    415 INSTALL-SRCS := $(call cond_enabled,CONFIG_INSTALL_SRCS,INSTALL-SRCS)
    416 ifeq ($(MAKECMDGOALS),dist)
    417 INSTALL-SRCS += $(call cond_enabled,CONFIG_INSTALL_SRCS,DIST-SRCS)
    418 endif
    419 .install-srcs: $(addprefix $(DIST_DIR)/src/,$(INSTALL-SRCS))
    420 	@touch $@
    421 
    422 clean::
    423 	rm -f .install-srcs
    424 
    425 ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
    426     BUILD_TARGETS += .projects
    427     INSTALL_TARGETS += .install-projects
    428 endif
    429 BUILD_TARGETS += .docs .libs .bins
    430 INSTALL_TARGETS += .install-docs .install-srcs .install-libs .install-bins
    431 all: $(BUILD_TARGETS)
    432 install:: $(INSTALL_TARGETS)
    433 dist: $(INSTALL_TARGETS)
    434 test::
    435