build/make/Makefile

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