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
22exampletest: .DEFAULT
23install:: .DEFAULT
24test:: .DEFAULT
25test-no-data-check:: .DEFAULT
26testdata:: .DEFAULT
27utiltest: .DEFAULT
28exampletest-no-data-check utiltest-no-data-check: .DEFAULT
29test_%: .DEFAULT ;
30
31# Note: md5sum is not installed on OS X, but openssl is. Openssl may not be
32# installed on cygwin, so we need to autodetect here.
33md5sum := $(firstword $(wildcard \
34          $(foreach e,md5sum openssl,\
35          $(foreach p,$(subst :, ,$(PATH)),$(p)/$(e)*))\
36          ))
37md5sum := $(if $(filter %openssl,$(md5sum)),$(md5sum) dgst -md5,$(md5sum))
38
39TGT_CC:=$(word 3, $(subst -, ,$(TOOLCHAIN)))
40dist:
41	@for t in $(ALL_TARGETS); do \
42	     $(MAKE) --no-print-directory target=$$t $(MAKECMDGOALS) || exit $$?;\
43        done
44        # Run configure for the user with the current toolchain.
45	@if [ -d "$(DIST_DIR)/src" ]; then \
46            mkdir -p "$(DIST_DIR)/build"; \
47            cd "$(DIST_DIR)/build"; \
48            echo "Rerunning configure $(CONFIGURE_ARGS)"; \
49            ../src/configure $(CONFIGURE_ARGS); \
50            $(if $(filter vs%,$(TGT_CC)),make NO_LAUNCH_DEVENV=1;) \
51        fi
52	@if [ -d "$(DIST_DIR)" ]; then \
53            echo "    [MD5SUM] $(DIST_DIR)"; \
54	    cd $(DIST_DIR) && \
55	    $(md5sum) `find . -name md5sums.txt -prune -o -type f -print` \
56                | sed -e 's/MD5(\(.*\))= \([0-9a-f]\{32\}\)/\2  \1/' \
57                > md5sums.txt;\
58        fi
59endif
60
61# Since we invoke make recursively for multiple targets we need to include the
62# .mk file for the correct target, but only when $(target) is non-empty.
63ifneq ($(target),)
64include $(target)-$(TOOLCHAIN).mk
65endif
66BUILD_ROOT?=.
67VPATH=$(SRC_PATH_BARE)
68CFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT) -I$(SRC_PATH)
69CXXFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT) -I$(SRC_PATH)
70ASFLAGS+=-I$(BUILD_PFX)$(BUILD_ROOT)/ -I$(SRC_PATH)/
71DIST_DIR?=dist
72HOSTCC?=gcc
73TGT_ISA:=$(word 1, $(subst -, ,$(TOOLCHAIN)))
74TGT_OS:=$(word 2, $(subst -, ,$(TOOLCHAIN)))
75TGT_CC:=$(word 3, $(subst -, ,$(TOOLCHAIN)))
76quiet:=$(if $(or $(verbose), $(V)),, yes)
77qexec=$(if $(quiet),@)
78
79# Cancel built-in implicit rules
80%: %.o
81%.asm:
82%.a:
83%: %.cc
84
85#
86# Common rules"
87#
88.PHONY: all
89all:
90
91.PHONY: clean
92clean::
93	rm -f $(OBJS-yes) $(OBJS-yes:.o=.d) $(OBJS-yes:.asm.S.o=.asm.S)
94	rm -f $(CLEAN-OBJS)
95
96.PHONY: clean
97distclean: clean
98	if [ -z "$(target)" ]; then \
99      rm -f Makefile; \
100      rm -f config.log config.mk; \
101      rm -f vpx_config.[hc] vpx_config.asm; \
102    else \
103      rm -f $(target)-$(TOOLCHAIN).mk; \
104    fi
105
106.PHONY: dist
107dist:
108.PHONY: exampletest
109exampletest:
110.PHONY: install
111install::
112.PHONY: test
113test::
114.PHONY: testdata
115testdata::
116.PHONY: utiltest
117utiltest:
118.PHONY: test-no-data-check exampletest-no-data-check utiltest-no-data-check
119test-no-data-check::
120exampletest-no-data-check utiltest-no-data-check:
121
122# Force to realign stack always on OS/2
123ifeq ($(TOOLCHAIN), x86-os2-gcc)
124CFLAGS += -mstackrealign
125endif
126
127# x86[_64]
128$(BUILD_PFX)%_mmx.c.d: CFLAGS += -mmmx
129$(BUILD_PFX)%_mmx.c.o: CFLAGS += -mmmx
130$(BUILD_PFX)%_sse2.c.d: CFLAGS += -msse2
131$(BUILD_PFX)%_sse2.c.o: CFLAGS += -msse2
132$(BUILD_PFX)%_sse3.c.d: CFLAGS += -msse3
133$(BUILD_PFX)%_sse3.c.o: CFLAGS += -msse3
134$(BUILD_PFX)%_ssse3.c.d: CFLAGS += -mssse3
135$(BUILD_PFX)%_ssse3.c.o: CFLAGS += -mssse3
136$(BUILD_PFX)%_sse4.c.d: CFLAGS += -msse4.1
137$(BUILD_PFX)%_sse4.c.o: CFLAGS += -msse4.1
138$(BUILD_PFX)%_avx.c.d: CFLAGS += -mavx
139$(BUILD_PFX)%_avx.c.o: CFLAGS += -mavx
140$(BUILD_PFX)%_avx2.c.d: CFLAGS += -mavx2
141$(BUILD_PFX)%_avx2.c.o: CFLAGS += -mavx2
142
143# POWER
144$(BUILD_PFX)%_vsx.c.d: CFLAGS += -maltivec -mvsx
145$(BUILD_PFX)%_vsx.c.o: CFLAGS += -maltivec -mvsx
146
147$(BUILD_PFX)%.c.d: %.c
148	$(if $(quiet),@echo "    [DEP] $@")
149	$(qexec)mkdir -p $(dir $@)
150	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -M $< | $(fmt_deps) > $@
151
152$(BUILD_PFX)%.c.o: %.c
153	$(if $(quiet),@echo "    [CC] $@")
154	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
155	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -c -o $@ $<
156
157$(BUILD_PFX)%.cc.d: %.cc
158	$(if $(quiet),@echo "    [DEP] $@")
159	$(qexec)mkdir -p $(dir $@)
160	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -M $< | $(fmt_deps) > $@
161
162$(BUILD_PFX)%.cc.o: %.cc
163	$(if $(quiet),@echo "    [CXX] $@")
164	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
165	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<
166
167$(BUILD_PFX)%.cpp.d: %.cpp
168	$(if $(quiet),@echo "    [DEP] $@")
169	$(qexec)mkdir -p $(dir $@)
170	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -M $< | $(fmt_deps) > $@
171
172$(BUILD_PFX)%.cpp.o: %.cpp
173	$(if $(quiet),@echo "    [CXX] $@")
174	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
175	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<
176
177$(BUILD_PFX)%.asm.d: %.asm
178	$(if $(quiet),@echo "    [DEP] $@")
179	$(qexec)mkdir -p $(dir $@)
180	$(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \
181            --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@
182
183$(BUILD_PFX)%.asm.o: %.asm
184	$(if $(quiet),@echo "    [AS] $@")
185	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
186	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
187
188$(BUILD_PFX)%.S.d: %.S
189	$(if $(quiet),@echo "    [DEP] $@")
190	$(qexec)mkdir -p $(dir $@)
191	$(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \
192            --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@
193
194$(BUILD_PFX)%.S.o: %.S
195	$(if $(quiet),@echo "    [AS] $@")
196	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
197	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
198
199.PRECIOUS: %.c.S
200%.c.S: CFLAGS += -DINLINE_ASM
201$(BUILD_PFX)%.c.S: %.c
202	$(if $(quiet),@echo "    [GEN] $@")
203	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
204	$(qexec)$(CC) -S $(CFLAGS) -o $@ $<
205
206.PRECIOUS: %.asm.S
207$(BUILD_PFX)%.asm.S: %.asm
208	$(if $(quiet),@echo "    [ASM CONVERSION] $@")
209	$(qexec)mkdir -p $(dir $@)
210	$(qexec)$(ASM_CONVERSION) <$< >$@
211
212# If we're in debug mode, pretend we don't have GNU strip, to fall back to
213# the copy implementation
214HAVE_GNU_STRIP := $(if $(CONFIG_DEBUG),,$(HAVE_GNU_STRIP))
215ifeq ($(HAVE_GNU_STRIP),yes)
216# Older binutils strip global symbols not needed for relocation processing
217# when given --strip-unneeded. Using nm and awk to identify globals and
218# keep them caused command line length issues under mingw and segfaults in
219# test_libvpx were observed under OS/2: simply use --strip-debug.
220%.a: %_g.a
221	$(if $(quiet),@echo "    [STRIP] $@ < $<")
222	$(qexec)$(STRIP) --strip-debug \
223          -o $@ $<
224else
225%.a: %_g.a
226	$(if $(quiet),@echo "    [CP] $@ < $<")
227	$(qexec)cp $< $@
228endif
229
230#
231# Utility functions
232#
233pairmap=$(if $(strip $(2)),\
234    $(call $(1),$(word 1,$(2)),$(word 2,$(2)))\
235    $(call pairmap,$(1),$(wordlist 3,$(words $(2)),$(2)))\
236)
237
238enabled=$(filter-out $($(1)-no),$($(1)-yes))
239cond_enabled=$(if $(filter yes,$($(1))), $(call enabled,$(2)))
240
241find_file1=$(word 1,$(wildcard $(subst //,/,$(addsuffix /$(1),$(2)))))
242find_file=$(foreach f,$(1),$(call find_file1,$(strip $(f)),$(strip $(2))) )
243obj_pats=.c=.c.o $(AS_SFX)=$(AS_SFX).o .cc=.cc.o .cpp=.cpp.o
244objs=$(addprefix $(BUILD_PFX),$(foreach p,$(obj_pats),$(filter %.o,$(1:$(p))) ))
245
246install_map_templates=$(eval $(call install_map_template,$(1),$(2)))
247
248not=$(subst yes,no,$(1))
249
250ifeq ($(CONFIG_MSVS),yes)
251lib_file_name=$(1).lib
252else
253lib_file_name=lib$(1).a
254endif
255#
256# Rule Templates
257#
258define linker_template
259$(1): $(filter-out -%,$(2))
260$(1):
261	$(if $(quiet),@echo    "    [LD] $$@")
262	$(qexec)$$(LD) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
263endef
264define linkerxx_template
265$(1): $(filter-out -%,$(2))
266$(1):
267	$(if $(quiet),@echo    "    [LD] $$@")
268	$(qexec)$$(CXX) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
269endef
270# make-3.80 has a bug with expanding large input strings to the eval function,
271# which was triggered in some cases by the following component of
272# linker_template:
273#   $(1): $$(call find_file, $(patsubst -l%,lib%.a,$(filter -l%,$(2))),\
274#                           $$(patsubst -L%,%,$$(filter -L%,$$(LDFLAGS) $(2))))
275# This may be useful to revisit in the future (it tries to locate libraries
276# in a search path and add them as prerequisites
277
278define install_map_template
279$(DIST_DIR)/$(1): $(2)
280	$(if $(quiet),@echo "    [INSTALL] $$@")
281	$(qexec)mkdir -p $$(dir $$@)
282	$(qexec)cp -p $$< $$@
283endef
284
285define archive_template
286# Not using a pattern rule here because we don't want to generate empty
287# archives when they are listed as a dependency in files not responsible
288# for creating them.
289$(1):
290	$(if $(quiet),@echo "    [AR] $$@")
291	$(qexec)$$(AR) $$(ARFLAGS) $$@ $$^
292endef
293
294define so_template
295# Not using a pattern rule here because we don't want to generate empty
296# archives when they are listed as a dependency in files not responsible
297# for creating them.
298#
299# This needs further abstraction for dealing with non-GNU linkers.
300$(1):
301	$(if $(quiet),@echo "    [LD] $$@")
302	$(qexec)$$(LD) -shared $$(LDFLAGS) \
303            -Wl,--no-undefined -Wl,-soname,$$(SONAME) \
304            -Wl,--version-script,$$(EXPORTS_FILE) -o $$@ \
305            $$(filter %.o,$$^) $$(extralibs)
306endef
307
308define dl_template
309# Not using a pattern rule here because we don't want to generate empty
310# archives when they are listed as a dependency in files not responsible
311# for creating them.
312$(1):
313	$(if $(quiet),@echo "    [LD] $$@")
314	$(qexec)$$(LD) -dynamiclib $$(LDFLAGS) \
315	    -exported_symbols_list $$(EXPORTS_FILE) \
316        -Wl,-headerpad_max_install_names,-compatibility_version,1.0,-current_version,$$(VERSION_MAJOR) \
317        -o $$@ \
318        $$(filter %.o,$$^) $$(extralibs)
319endef
320
321define dll_template
322# Not using a pattern rule here because we don't want to generate empty
323# archives when they are listed as a dependency in files not responsible
324# for creating them.
325$(1):
326	$(if $(quiet),@echo "    [LD] $$@")
327	$(qexec)$$(LD) -Zdll $$(LDFLAGS) \
328        -o $$@ \
329        $$(filter %.o,$$^) $$(extralibs) $$(EXPORTS_FILE)
330endef
331
332
333#
334# Get current configuration
335#
336ifneq ($(target),)
337include $(SRC_PATH_BARE)/$(target:-$(TOOLCHAIN)=).mk
338endif
339
340skip_deps := $(filter %clean,$(MAKECMDGOALS))
341skip_deps += $(findstring testdata,$(MAKECMDGOALS))
342ifeq ($(strip $(skip_deps)),)
343  ifeq ($(CONFIG_DEPENDENCY_TRACKING),yes)
344    # Older versions of make don't like -include directives with no arguments
345    ifneq ($(filter %.d,$(OBJS-yes:.o=.d)),)
346      -include $(filter %.d,$(OBJS-yes:.o=.d))
347    endif
348  endif
349endif
350
351#
352# Configuration dependent rules
353#
354$(call pairmap,install_map_templates,$(INSTALL_MAPS))
355
356DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,DOCS)
357.docs: $(DOCS)
358	@touch $@
359
360INSTALL-DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,INSTALL-DOCS)
361ifeq ($(MAKECMDGOALS),dist)
362INSTALL-DOCS+=$(call cond_enabled,CONFIG_INSTALL_DOCS,DIST-DOCS)
363endif
364.install-docs: .docs $(addprefix $(DIST_DIR)/,$(INSTALL-DOCS))
365	@touch $@
366
367clean::
368	rm -f .docs .install-docs $(DOCS)
369
370BINS=$(call enabled,BINS)
371.bins: $(BINS)
372	@touch $@
373
374INSTALL-BINS=$(call cond_enabled,CONFIG_INSTALL_BINS,INSTALL-BINS)
375ifeq ($(MAKECMDGOALS),dist)
376INSTALL-BINS+=$(call cond_enabled,CONFIG_INSTALL_BINS,DIST-BINS)
377endif
378.install-bins: .bins $(addprefix $(DIST_DIR)/,$(INSTALL-BINS))
379	@touch $@
380
381clean::
382	rm -f .bins .install-bins $(BINS)
383
384LIBS=$(call enabled,LIBS)
385.libs: $(LIBS)
386	@touch $@
387$(foreach lib,$(filter %_g.a,$(LIBS)),$(eval $(call archive_template,$(lib))))
388$(foreach lib,$(filter %so.$(SO_VERSION_MAJOR).$(SO_VERSION_MINOR).$(SO_VERSION_PATCH),$(LIBS)),$(eval $(call so_template,$(lib))))
389$(foreach lib,$(filter %$(SO_VERSION_MAJOR).dylib,$(LIBS)),$(eval $(call dl_template,$(lib))))
390$(foreach lib,$(filter %$(SO_VERSION_MAJOR).dll,$(LIBS)),$(eval $(call dll_template,$(lib))))
391
392INSTALL-LIBS=$(call cond_enabled,CONFIG_INSTALL_LIBS,INSTALL-LIBS)
393ifeq ($(MAKECMDGOALS),dist)
394INSTALL-LIBS+=$(call cond_enabled,CONFIG_INSTALL_LIBS,DIST-LIBS)
395endif
396.install-libs: .libs $(addprefix $(DIST_DIR)/,$(INSTALL-LIBS))
397	@touch $@
398
399clean::
400	rm -f .libs .install-libs $(LIBS)
401
402ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
403PROJECTS=$(call enabled,PROJECTS)
404.projects: $(PROJECTS)
405	@touch $@
406
407INSTALL-PROJECTS=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,INSTALL-PROJECTS)
408ifeq ($(MAKECMDGOALS),dist)
409INSTALL-PROJECTS+=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,DIST-PROJECTS)
410endif
411.install-projects: .projects $(addprefix $(DIST_DIR)/,$(INSTALL-PROJECTS))
412	@touch $@
413
414clean::
415	rm -f .projects .install-projects $(PROJECTS)
416endif
417
418# If there are any source files to be distributed, then include the build
419# system too.
420ifneq ($(call enabled,DIST-SRCS),)
421    DIST-SRCS-yes            += configure
422    DIST-SRCS-yes            += build/make/configure.sh
423    DIST-SRCS-yes            += build/make/gen_asm_deps.sh
424    DIST-SRCS-yes            += build/make/Makefile
425    DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_def.sh
426    DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_sln.sh
427    DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_vcxproj.sh
428    DIST-SRCS-$(CONFIG_MSVS)  += build/make/msvs_common.sh
429    DIST-SRCS-$(CONFIG_RVCT) += build/make/armlink_adapter.sh
430    DIST-SRCS-$(ARCH_ARM)    += build/make/ads2gas.pl
431    DIST-SRCS-$(ARCH_ARM)    += build/make/ads2gas_apple.pl
432    DIST-SRCS-$(ARCH_ARM)    += build/make/ads2armasm_ms.pl
433    DIST-SRCS-$(ARCH_ARM)    += build/make/thumb.pm
434    DIST-SRCS-yes            += $(target:-$(TOOLCHAIN)=).mk
435endif
436INSTALL-SRCS := $(call cond_enabled,CONFIG_INSTALL_SRCS,INSTALL-SRCS)
437ifeq ($(MAKECMDGOALS),dist)
438INSTALL-SRCS += $(call cond_enabled,CONFIG_INSTALL_SRCS,DIST-SRCS)
439endif
440.install-srcs: $(addprefix $(DIST_DIR)/src/,$(INSTALL-SRCS))
441	@touch $@
442
443clean::
444	rm -f .install-srcs
445
446ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
447    BUILD_TARGETS += .projects
448    INSTALL_TARGETS += .install-projects
449endif
450BUILD_TARGETS += .docs .libs .bins
451INSTALL_TARGETS += .install-docs .install-srcs .install-libs .install-bins
452all: $(BUILD_TARGETS)
453install:: $(INSTALL_TARGETS)
454dist: $(INSTALL_TARGETS)
455test::
456
457.SUFFIXES:  # Delete default suffix rules
458