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 12include config.mk 13quiet?=true 14ifeq ($(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 20all: .DEFAULT 21clean:: .DEFAULT 22install:: .DEFAULT 23test:: .DEFAULT 24testdata:: .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. 29md5sum := $(firstword $(wildcard \ 30 $(foreach e,md5sum openssl,\ 31 $(foreach p,$(subst :, ,$(PATH)),$(p)/$(e)*))\ 32 )) 33md5sum := $(if $(filter %openssl,$(md5sum)),$(md5sum) dgst -md5,$(md5sum)) 34 35TGT_CC:=$(word 3, $(subst -, ,$(TOOLCHAIN))) 36dist: 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 57endif 58 59ifneq ($(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. 65include $(target)$(if $(FAT_ARCHS),,-$(TOOLCHAIN)).mk 66endif 67BUILD_ROOT?=. 68VPATH=$(SRC_PATH_BARE) 69CFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT) -I$(SRC_PATH) 70CXXFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT) -I$(SRC_PATH) 71ASFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT)/ -I$(SRC_PATH)/ 72DIST_DIR?=dist 73HOSTCC?=gcc 74TGT_ISA:=$(word 1, $(subst -, ,$(TOOLCHAIN))) 75TGT_OS:=$(word 2, $(subst -, ,$(TOOLCHAIN))) 76TGT_CC:=$(word 3, $(subst -, ,$(TOOLCHAIN))) 77quiet:=$(if $(verbose),,yes) 78qexec=$(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 90all: 91 92.PHONY: clean 93clean:: 94 rm -f $(OBJS-yes) $(OBJS-yes:.o=.d) $(OBJS-yes:.asm.s.o=.asm.s) 95 rm -f $(CLEAN-OBJS) 96 97.PHONY: dist 98dist: 99.PHONY: install 100install:: 101.PHONY: test 102test:: 103.PHONY: testdata 104testdata:: 105 106$(BUILD_PFX)%.c.d: %.c 107 $(if $(quiet),@echo " [DEP] $@") 108 $(qexec)mkdir -p $(dir $@) 109 $(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -M $< | $(fmt_deps) > $@ 110 111$(BUILD_PFX)%.c.o: %.c 112 $(if $(quiet),@echo " [CC] $@") 113 $(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -c -o $@ $< 114 115$(BUILD_PFX)%.cc.d: %.cc 116 $(if $(quiet),@echo " [DEP] $@") 117 $(qexec)mkdir -p $(dir $@) 118 $(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -M $< | $(fmt_deps) > $@ 119 120$(BUILD_PFX)%.cc.o: %.cc 121 $(if $(quiet),@echo " [CXX] $@") 122 $(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $< 123 124$(BUILD_PFX)%.asm.d: %.asm 125 $(if $(quiet),@echo " [DEP] $@") 126 $(qexec)mkdir -p $(dir $@) 127 $(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \ 128 --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@ 129 130$(BUILD_PFX)%.asm.o: %.asm 131 $(if $(quiet),@echo " [AS] $@") 132 $(qexec)$(AS) $(ASFLAGS) -o $@ $< 133 134$(BUILD_PFX)%.s.d: %.s 135 $(if $(quiet),@echo " [DEP] $@") 136 $(qexec)mkdir -p $(dir $@) 137 $(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \ 138 --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@ 139 140$(BUILD_PFX)%.s.o: %.s 141 $(if $(quiet),@echo " [AS] $@") 142 $(qexec)$(AS) $(ASFLAGS) -o $@ $< 143 144.PRECIOUS: %.c.S 145%.c.S: CFLAGS += -DINLINE_ASM 146$(BUILD_PFX)%.c.S: %.c 147 $(if $(quiet),@echo " [GEN] $@") 148 $(qexec)$(CC) -S $(CFLAGS) -o $@ $< 149 150.PRECIOUS: %.asm.s 151$(BUILD_PFX)%.asm.s: %.asm 152 $(if $(quiet),@echo " [ASM CONVERSION] $@") 153 $(qexec)mkdir -p $(dir $@) 154 $(qexec)$(ASM_CONVERSION) <$< >$@ 155 156# If we're in debug mode, pretend we don't have GNU strip, to fall back to 157# the copy implementation 158HAVE_GNU_STRIP := $(if $(CONFIG_DEBUG),,$(HAVE_GNU_STRIP)) 159ifeq ($(HAVE_GNU_STRIP),yes) 160# Older binutils strip global sybols not needed for relocation processing 161# when given --strip-unneeded. Use nm and awk to identify globals and 162# keep them. 163%.a: %_g.a 164 $(if $(quiet),@echo " [STRIP] $@ < $<") 165 $(qexec)$(STRIP) --strip-unneeded \ 166 `$(NM) $< | grep ' [A-TV-Z] ' | awk '{print "-K"$$3'}`\ 167 -o $@ $< 168else 169%.a: %_g.a 170 $(if $(quiet),@echo " [CP] $@ < $<") 171 $(qexec)cp $< $@ 172endif 173 174# 175# Rule to extract assembly constants from C sources 176# 177obj_int_extract: build/make/obj_int_extract.c 178 $(if $(quiet),@echo " [HOSTCC] $@") 179 $(qexec)$(HOSTCC) -I. -I$(SRC_PATH_BARE) -o $@ $< 180CLEAN-OBJS += obj_int_extract 181 182# 183# Utility functions 184# 185pairmap=$(if $(strip $(2)),\ 186 $(call $(1),$(word 1,$(2)),$(word 2,$(2)))\ 187 $(call pairmap,$(1),$(wordlist 3,$(words $(2)),$(2)))\ 188) 189 190enabled=$(filter-out $($(1)-no),$($(1)-yes)) 191cond_enabled=$(if $(filter yes,$($(1))), $(call enabled,$(2))) 192 193find_file1=$(word 1,$(wildcard $(subst //,/,$(addsuffix /$(1),$(2))))) 194find_file=$(foreach f,$(1),$(call find_file1,$(strip $(f)),$(strip $(2))) ) 195obj_pats=.c=.c.o $(AS_SFX)=$(AS_SFX).o .cc=.cc.o 196objs=$(addprefix $(BUILD_PFX),$(foreach p,$(obj_pats),$(filter %.o,$(1:$(p))) )) 197 198install_map_templates=$(eval $(call install_map_template,$(1),$(2))) 199 200not=$(subst yes,no,$(1)) 201 202ifeq ($(CONFIG_MSVS),yes) 203lib_file_name=$(1).lib 204else 205lib_file_name=lib$(1).a 206endif 207# 208# Rule Templates 209# 210define linker_template 211$(1): $(filter-out -%,$(2)) 212$(1): 213 $(if $(quiet),@echo " [LD] $$@") 214 $(qexec)$$(LD) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs)) 215endef 216define linkerxx_template 217$(1): $(filter-out -%,$(2)) 218$(1): 219 $(if $(quiet),@echo " [LD] $$@") 220 $(qexec)$$(CXX) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs)) 221endef 222# make-3.80 has a bug with expanding large input strings to the eval function, 223# which was triggered in some cases by the following component of 224# linker_template: 225# $(1): $$(call find_file, $(patsubst -l%,lib%.a,$(filter -l%,$(2))),\ 226# $$(patsubst -L%,%,$$(filter -L%,$$(LDFLAGS) $(2)))) 227# This may be useful to revisit in the future (it tries to locate libraries 228# in a search path and add them as prerequisites 229 230define install_map_template 231$(DIST_DIR)/$(1): $(2) 232 $(if $(quiet),@echo " [INSTALL] $$@") 233 $(qexec)mkdir -p $$(dir $$@) 234 $(qexec)cp -p $$< $$@ 235endef 236 237define archive_template 238# Not using a pattern rule here because we don't want to generate empty 239# archives when they are listed as a dependency in files not responsible 240# for creating them. 241$(1): 242 $(if $(quiet),@echo " [AR] $$@") 243 $(qexec)$$(AR) $$(ARFLAGS) $$@ $$? 244endef 245 246define so_template 247# Not using a pattern rule here because we don't want to generate empty 248# archives when they are listed as a dependency in files not responsible 249# for creating them. 250# 251# This needs further abstraction for dealing with non-GNU linkers. 252$(1): 253 $(if $(quiet),@echo " [LD] $$@") 254 $(qexec)$$(LD) -shared $$(LDFLAGS) \ 255 -Wl,--no-undefined -Wl,-soname,$$(SONAME) \ 256 -Wl,--version-script,$$(SO_VERSION_SCRIPT) -o $$@ \ 257 $$(filter %.o,$$?) $$(extralibs) 258endef 259 260define lipo_lib_template 261$(1): $(addsuffix /$(1),$(FAT_ARCHS)) 262 $(if $(quiet),@echo " [LIPO] $$@") 263 $(qexec)libtool -static -o $$@ $$? 264endef 265 266define lipo_bin_template 267$(1): $(addsuffix /$(1),$(FAT_ARCHS)) 268 $(if $(quiet),@echo " [LIPO] $$@") 269 $(qexec)lipo -output $$@ -create $$? 270endef 271 272 273# 274# Get current configuration 275# 276ifneq ($(target),) 277include $(SRC_PATH_BARE)/$(target:-$(TOOLCHAIN)=).mk 278endif 279ifeq ($(filter clean,$(MAKECMDGOALS)),) 280 # Older versions of make don't like -include directives with no arguments 281 ifneq ($(filter %.d,$(OBJS-yes:.o=.d)),) 282 -include $(filter %.d,$(OBJS-yes:.o=.d)) 283 endif 284endif 285 286# 287# Configuration dependent rules 288# 289$(call pairmap,install_map_templates,$(INSTALL_MAPS)) 290 291DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,DOCS) 292.docs: $(DOCS) 293 @touch $@ 294 295INSTALL-DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,INSTALL-DOCS) 296ifeq ($(MAKECMDGOALS),dist) 297INSTALL-DOCS+=$(call cond_enabled,CONFIG_INSTALL_DOCS,DIST-DOCS) 298endif 299.install-docs: .docs $(addprefix $(DIST_DIR)/,$(INSTALL-DOCS)) 300 @touch $@ 301 302clean:: 303 rm -f .docs .install-docs $(DOCS) 304 305BINS=$(call enabled,BINS) 306.bins: $(BINS) 307 @touch $@ 308 309INSTALL-BINS=$(call cond_enabled,CONFIG_INSTALL_BINS,INSTALL-BINS) 310ifeq ($(MAKECMDGOALS),dist) 311INSTALL-BINS+=$(call cond_enabled,CONFIG_INSTALL_BINS,DIST-BINS) 312endif 313.install-bins: .bins $(addprefix $(DIST_DIR)/,$(INSTALL-BINS)) 314 @touch $@ 315 316clean:: 317 rm -f .bins .install-bins $(BINS) 318 319LIBS=$(call enabled,LIBS) 320.libs: $(LIBS) 321 @touch $@ 322$(foreach lib,$(filter %_g.a,$(LIBS)),$(eval $(call archive_template,$(lib)))) 323$(foreach lib,$(filter %so.$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH),$(LIBS)),$(eval $(call so_template,$(lib)))) 324 325INSTALL-LIBS=$(call cond_enabled,CONFIG_INSTALL_LIBS,INSTALL-LIBS) 326ifeq ($(MAKECMDGOALS),dist) 327INSTALL-LIBS+=$(call cond_enabled,CONFIG_INSTALL_LIBS,DIST-LIBS) 328endif 329.install-libs: .libs $(addprefix $(DIST_DIR)/,$(INSTALL-LIBS)) 330 @touch $@ 331 332clean:: 333 rm -f .libs .install-libs $(LIBS) 334 335ifeq ($(CONFIG_EXTERNAL_BUILD),yes) 336PROJECTS=$(call enabled,PROJECTS) 337.projects: $(PROJECTS) 338 @touch $@ 339 340INSTALL-PROJECTS=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,INSTALL-PROJECTS) 341ifeq ($(MAKECMDGOALS),dist) 342INSTALL-PROJECTS+=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,DIST-PROJECTS) 343endif 344.install-projects: .projects $(addprefix $(DIST_DIR)/,$(INSTALL-PROJECTS)) 345 @touch $@ 346 347clean:: 348 rm -f .projects .install-projects $(PROJECTS) 349endif 350 351# If there are any source files to be distributed, then include the build 352# system too. 353ifneq ($(call enabled,DIST-SRCS),) 354 DIST-SRCS-yes += configure 355 DIST-SRCS-yes += build/make/configure.sh 356 DIST-SRCS-yes += build/make/gen_asm_deps.sh 357 DIST-SRCS-yes += build/make/Makefile 358 DIST-SRCS-$(CONFIG_MSVS) += build/make/gen_msvs_def.sh 359 DIST-SRCS-$(CONFIG_MSVS) += build/make/gen_msvs_proj.sh 360 DIST-SRCS-$(CONFIG_MSVS) += build/make/gen_msvs_sln.sh 361 DIST-SRCS-$(CONFIG_MSVS) += build/x86-msvs/yasm.rules 362 DIST-SRCS-$(CONFIG_MSVS) += build/x86-msvs/obj_int_extract.bat 363 DIST-SRCS-$(CONFIG_RVCT) += build/make/armlink_adapter.sh 364 # Include obj_int_extract if we use offsets from asm_*_offsets 365 DIST-SRCS-$(ARCH_ARM)$(ARCH_X86)$(ARCH_X86_64) += build/make/obj_int_extract.c 366 DIST-SRCS-$(ARCH_ARM) += build/make/ads2gas.pl 367 DIST-SRCS-yes += $(target:-$(TOOLCHAIN)=).mk 368endif 369INSTALL-SRCS := $(call cond_enabled,CONFIG_INSTALL_SRCS,INSTALL-SRCS) 370ifeq ($(MAKECMDGOALS),dist) 371INSTALL-SRCS += $(call cond_enabled,CONFIG_INSTALL_SRCS,DIST-SRCS) 372endif 373.install-srcs: $(addprefix $(DIST_DIR)/src/,$(INSTALL-SRCS)) 374 @touch $@ 375 376clean:: 377 rm -f .install-srcs 378 379ifeq ($(CONFIG_EXTERNAL_BUILD),yes) 380 BUILD_TARGETS += .projects 381 INSTALL_TARGETS += .install-projects 382endif 383BUILD_TARGETS += .docs .libs .bins 384INSTALL_TARGETS += .install-docs .install-srcs .install-libs .install-bins 385all: $(BUILD_TARGETS) 386install:: $(INSTALL_TARGETS) 387dist: $(INSTALL_TARGETS) 388test:: 389