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      rm -f arm_neon.h; \
103    else \
104      rm -f $(target)-$(TOOLCHAIN).mk; \
105    fi
106
107.PHONY: dist
108dist:
109.PHONY: exampletest
110exampletest:
111.PHONY: install
112install::
113.PHONY: test
114test::
115.PHONY: testdata
116testdata::
117.PHONY: utiltest
118utiltest:
119.PHONY: test-no-data-check exampletest-no-data-check utiltest-no-data-check
120test-no-data-check::
121exampletest-no-data-check utiltest-no-data-check:
122
123# Force to realign stack always on OS/2
124ifeq ($(TOOLCHAIN), x86-os2-gcc)
125CFLAGS += -mstackrealign
126endif
127
128# x86[_64]
129$(BUILD_PFX)%_mmx.c.d: CFLAGS += -mmmx
130$(BUILD_PFX)%_mmx.c.o: CFLAGS += -mmmx
131$(BUILD_PFX)%_sse2.c.d: CFLAGS += -msse2
132$(BUILD_PFX)%_sse2.c.o: CFLAGS += -msse2
133$(BUILD_PFX)%_sse3.c.d: CFLAGS += -msse3
134$(BUILD_PFX)%_sse3.c.o: CFLAGS += -msse3
135$(BUILD_PFX)%_ssse3.c.d: CFLAGS += -mssse3
136$(BUILD_PFX)%_ssse3.c.o: CFLAGS += -mssse3
137$(BUILD_PFX)%_sse4.c.d: CFLAGS += -msse4.1
138$(BUILD_PFX)%_sse4.c.o: CFLAGS += -msse4.1
139$(BUILD_PFX)%_avx.c.d: CFLAGS += -mavx
140$(BUILD_PFX)%_avx.c.o: CFLAGS += -mavx
141$(BUILD_PFX)%_avx2.c.d: CFLAGS += -mavx2
142$(BUILD_PFX)%_avx2.c.o: CFLAGS += -mavx2
143$(BUILD_PFX)%_avx512.c.d: CFLAGS += -mavx512f -mavx512cd -mavx512bw -mavx512dq -mavx512vl
144$(BUILD_PFX)%_avx512.c.o: CFLAGS += -mavx512f -mavx512cd -mavx512bw -mavx512dq -mavx512vl
145
146# POWER
147$(BUILD_PFX)%_vsx.c.d: CFLAGS += -maltivec -mvsx
148$(BUILD_PFX)%_vsx.c.o: CFLAGS += -maltivec -mvsx
149
150$(BUILD_PFX)%.c.d: %.c
151	$(if $(quiet),@echo "    [DEP] $@")
152	$(qexec)mkdir -p $(dir $@)
153	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -M $< | $(fmt_deps) > $@
154
155$(BUILD_PFX)%.c.o: %.c
156	$(if $(quiet),@echo "    [CC] $@")
157	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
158	$(qexec)$(CC) $(INTERNAL_CFLAGS) $(CFLAGS) -c -o $@ $<
159
160$(BUILD_PFX)%.cc.d: %.cc
161	$(if $(quiet),@echo "    [DEP] $@")
162	$(qexec)mkdir -p $(dir $@)
163	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -M $< | $(fmt_deps) > $@
164
165$(BUILD_PFX)%.cc.o: %.cc
166	$(if $(quiet),@echo "    [CXX] $@")
167	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
168	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<
169
170$(BUILD_PFX)%.cpp.d: %.cpp
171	$(if $(quiet),@echo "    [DEP] $@")
172	$(qexec)mkdir -p $(dir $@)
173	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -M $< | $(fmt_deps) > $@
174
175$(BUILD_PFX)%.cpp.o: %.cpp
176	$(if $(quiet),@echo "    [CXX] $@")
177	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
178	$(qexec)$(CXX) $(INTERNAL_CFLAGS) $(CXXFLAGS) -c -o $@ $<
179
180$(BUILD_PFX)%.asm.d: %.asm
181	$(if $(quiet),@echo "    [DEP] $@")
182	$(qexec)mkdir -p $(dir $@)
183	$(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \
184            --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@
185
186$(BUILD_PFX)%.asm.o: %.asm
187	$(if $(quiet),@echo "    [AS] $@")
188	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
189	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
190
191$(BUILD_PFX)%.S.d: %.S
192	$(if $(quiet),@echo "    [DEP] $@")
193	$(qexec)mkdir -p $(dir $@)
194	$(qexec)$(SRC_PATH_BARE)/build/make/gen_asm_deps.sh \
195            --build-pfx=$(BUILD_PFX) --depfile=$@ $(ASFLAGS) $< > $@
196
197$(BUILD_PFX)%.S.o: %.S
198	$(if $(quiet),@echo "    [AS] $@")
199	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
200	$(qexec)$(AS) $(ASFLAGS) -o $@ $<
201
202.PRECIOUS: %.c.S
203%.c.S: CFLAGS += -DINLINE_ASM
204$(BUILD_PFX)%.c.S: %.c
205	$(if $(quiet),@echo "    [GEN] $@")
206	$(qexec)$(if $(CONFIG_DEPENDENCY_TRACKING),,mkdir -p $(dir $@))
207	$(qexec)$(CC) -S $(CFLAGS) -o $@ $<
208
209.PRECIOUS: %.asm.S
210$(BUILD_PFX)%.asm.S: %.asm
211	$(if $(quiet),@echo "    [ASM CONVERSION] $@")
212	$(qexec)mkdir -p $(dir $@)
213	$(qexec)$(ASM_CONVERSION) <$< >$@
214
215# If we're in debug mode, pretend we don't have GNU strip, to fall back to
216# the copy implementation
217HAVE_GNU_STRIP := $(if $(CONFIG_DEBUG),,$(HAVE_GNU_STRIP))
218ifeq ($(HAVE_GNU_STRIP),yes)
219# Older binutils strip global symbols not needed for relocation processing
220# when given --strip-unneeded. Using nm and awk to identify globals and
221# keep them caused command line length issues under mingw and segfaults in
222# test_libvpx were observed under OS/2: simply use --strip-debug.
223%.a: %_g.a
224	$(if $(quiet),@echo "    [STRIP] $@ < $<")
225	$(qexec)$(STRIP) --strip-debug \
226          -o $@ $<
227else
228%.a: %_g.a
229	$(if $(quiet),@echo "    [CP] $@ < $<")
230	$(qexec)cp $< $@
231endif
232
233#
234# Utility functions
235#
236pairmap=$(if $(strip $(2)),\
237    $(call $(1),$(word 1,$(2)),$(word 2,$(2)))\
238    $(call pairmap,$(1),$(wordlist 3,$(words $(2)),$(2)))\
239)
240
241enabled=$(filter-out $($(1)-no),$($(1)-yes))
242cond_enabled=$(if $(filter yes,$($(1))), $(call enabled,$(2)))
243
244find_file1=$(word 1,$(wildcard $(subst //,/,$(addsuffix /$(1),$(2)))))
245find_file=$(foreach f,$(1),$(call find_file1,$(strip $(f)),$(strip $(2))) )
246obj_pats=.c=.c.o $(AS_SFX)=$(AS_SFX).o .cc=.cc.o .cpp=.cpp.o
247objs=$(addprefix $(BUILD_PFX),$(foreach p,$(obj_pats),$(filter %.o,$(1:$(p))) ))
248
249install_map_templates=$(eval $(call install_map_template,$(1),$(2)))
250
251not=$(subst yes,no,$(1))
252
253ifeq ($(CONFIG_MSVS),yes)
254lib_file_name=$(1).lib
255else
256lib_file_name=lib$(1).a
257endif
258#
259# Rule Templates
260#
261define linker_template
262$(1): $(filter-out -%,$(2))
263$(1):
264	$(if $(quiet),@echo    "    [LD] $$@")
265	$(qexec)$$(LD) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
266endef
267define linkerxx_template
268$(1): $(filter-out -%,$(2))
269$(1):
270	$(if $(quiet),@echo    "    [LD] $$@")
271	$(qexec)$$(CXX) $$(strip $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -o $$@ $(2) $(3) $$(extralibs))
272endef
273# make-3.80 has a bug with expanding large input strings to the eval function,
274# which was triggered in some cases by the following component of
275# linker_template:
276#   $(1): $$(call find_file, $(patsubst -l%,lib%.a,$(filter -l%,$(2))),\
277#                           $$(patsubst -L%,%,$$(filter -L%,$$(LDFLAGS) $(2))))
278# This may be useful to revisit in the future (it tries to locate libraries
279# in a search path and add them as prerequisites
280
281define install_map_template
282$(DIST_DIR)/$(1): $(2)
283	$(if $(quiet),@echo "    [INSTALL] $$@")
284	$(qexec)mkdir -p $$(dir $$@)
285	$(qexec)cp -p $$< $$@
286endef
287
288define archive_template
289# Not using a pattern rule here because we don't want to generate empty
290# archives when they are listed as a dependency in files not responsible
291# for creating them.
292$(1):
293	$(if $(quiet),@echo "    [AR] $$@")
294	$(qexec)$$(AR) $$(ARFLAGS) $$@ $$^
295endef
296
297define so_template
298# Not using a pattern rule here because we don't want to generate empty
299# archives when they are listed as a dependency in files not responsible
300# for creating them.
301#
302# This needs further abstraction for dealing with non-GNU linkers.
303$(1):
304	$(if $(quiet),@echo "    [LD] $$@")
305	$(qexec)$$(LD) -shared $$(LDFLAGS) \
306            -Wl,--no-undefined -Wl,-soname,$$(SONAME) \
307            -Wl,--version-script,$$(EXPORTS_FILE) -o $$@ \
308            $$(filter %.o,$$^) $$(extralibs)
309endef
310
311define dl_template
312# Not using a pattern rule here because we don't want to generate empty
313# archives when they are listed as a dependency in files not responsible
314# for creating them.
315$(1):
316	$(if $(quiet),@echo "    [LD] $$@")
317	$(qexec)$$(LD) -dynamiclib $$(LDFLAGS) \
318	    -exported_symbols_list $$(EXPORTS_FILE) \
319        -Wl,-headerpad_max_install_names,-compatibility_version,1.0,-current_version,$$(VERSION_MAJOR) \
320        -o $$@ \
321        $$(filter %.o,$$^) $$(extralibs)
322endef
323
324define dll_template
325# Not using a pattern rule here because we don't want to generate empty
326# archives when they are listed as a dependency in files not responsible
327# for creating them.
328$(1):
329	$(if $(quiet),@echo "    [LD] $$@")
330	$(qexec)$$(LD) -Zdll $$(LDFLAGS) \
331        -o $$@ \
332        $$(filter %.o,$$^) $$(extralibs) $$(EXPORTS_FILE)
333endef
334
335
336#
337# Get current configuration
338#
339ifneq ($(target),)
340include $(SRC_PATH_BARE)/$(target:-$(TOOLCHAIN)=).mk
341endif
342
343skip_deps := $(filter %clean,$(MAKECMDGOALS))
344skip_deps += $(findstring testdata,$(MAKECMDGOALS))
345ifeq ($(strip $(skip_deps)),)
346  ifeq ($(CONFIG_DEPENDENCY_TRACKING),yes)
347    # Older versions of make don't like -include directives with no arguments
348    ifneq ($(filter %.d,$(OBJS-yes:.o=.d)),)
349      -include $(filter %.d,$(OBJS-yes:.o=.d))
350    endif
351  endif
352endif
353
354#
355# Configuration dependent rules
356#
357$(call pairmap,install_map_templates,$(INSTALL_MAPS))
358
359DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,DOCS)
360.docs: $(DOCS)
361	@touch $@
362
363INSTALL-DOCS=$(call cond_enabled,CONFIG_INSTALL_DOCS,INSTALL-DOCS)
364ifeq ($(MAKECMDGOALS),dist)
365INSTALL-DOCS+=$(call cond_enabled,CONFIG_INSTALL_DOCS,DIST-DOCS)
366endif
367.install-docs: .docs $(addprefix $(DIST_DIR)/,$(INSTALL-DOCS))
368	@touch $@
369
370clean::
371	rm -f .docs .install-docs $(DOCS)
372
373BINS=$(call enabled,BINS)
374.bins: $(BINS)
375	@touch $@
376
377INSTALL-BINS=$(call cond_enabled,CONFIG_INSTALL_BINS,INSTALL-BINS)
378ifeq ($(MAKECMDGOALS),dist)
379INSTALL-BINS+=$(call cond_enabled,CONFIG_INSTALL_BINS,DIST-BINS)
380endif
381.install-bins: .bins $(addprefix $(DIST_DIR)/,$(INSTALL-BINS))
382	@touch $@
383
384clean::
385	rm -f .bins .install-bins $(BINS)
386
387LIBS=$(call enabled,LIBS)
388.libs: $(LIBS)
389	@touch $@
390$(foreach lib,$(filter %_g.a,$(LIBS)),$(eval $(call archive_template,$(lib))))
391$(foreach lib,$(filter %so.$(SO_VERSION_MAJOR).$(SO_VERSION_MINOR).$(SO_VERSION_PATCH),$(LIBS)),$(eval $(call so_template,$(lib))))
392$(foreach lib,$(filter %$(SO_VERSION_MAJOR).dylib,$(LIBS)),$(eval $(call dl_template,$(lib))))
393$(foreach lib,$(filter %$(SO_VERSION_MAJOR).dll,$(LIBS)),$(eval $(call dll_template,$(lib))))
394
395INSTALL-LIBS=$(call cond_enabled,CONFIG_INSTALL_LIBS,INSTALL-LIBS)
396ifeq ($(MAKECMDGOALS),dist)
397INSTALL-LIBS+=$(call cond_enabled,CONFIG_INSTALL_LIBS,DIST-LIBS)
398endif
399.install-libs: .libs $(addprefix $(DIST_DIR)/,$(INSTALL-LIBS))
400	@touch $@
401
402clean::
403	rm -f .libs .install-libs $(LIBS)
404
405ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
406PROJECTS=$(call enabled,PROJECTS)
407.projects: $(PROJECTS)
408	@touch $@
409
410INSTALL-PROJECTS=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,INSTALL-PROJECTS)
411ifeq ($(MAKECMDGOALS),dist)
412INSTALL-PROJECTS+=$(call cond_enabled,CONFIG_INSTALL_PROJECTS,DIST-PROJECTS)
413endif
414.install-projects: .projects $(addprefix $(DIST_DIR)/,$(INSTALL-PROJECTS))
415	@touch $@
416
417clean::
418	rm -f .projects .install-projects $(PROJECTS)
419endif
420
421# If there are any source files to be distributed, then include the build
422# system too.
423ifneq ($(call enabled,DIST-SRCS),)
424    DIST-SRCS-yes            += configure
425    DIST-SRCS-yes            += build/make/configure.sh
426    DIST-SRCS-yes            += build/make/gen_asm_deps.sh
427    DIST-SRCS-yes            += build/make/Makefile
428    DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_def.sh
429    DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_sln.sh
430    DIST-SRCS-$(CONFIG_MSVS)  += build/make/gen_msvs_vcxproj.sh
431    DIST-SRCS-$(CONFIG_MSVS)  += build/make/msvs_common.sh
432    DIST-SRCS-$(CONFIG_RVCT) += build/make/armlink_adapter.sh
433    DIST-SRCS-$(VPX_ARCH_ARM) += build/make/ads2gas.pl
434    DIST-SRCS-$(VPX_ARCH_ARM) += build/make/ads2gas_apple.pl
435    DIST-SRCS-$(VPX_ARCH_ARM) += build/make/ads2armasm_ms.pl
436    DIST-SRCS-$(VPX_ARCH_ARM) += build/make/thumb.pm
437    DIST-SRCS-yes            += $(target:-$(TOOLCHAIN)=).mk
438endif
439INSTALL-SRCS := $(call cond_enabled,CONFIG_INSTALL_SRCS,INSTALL-SRCS)
440ifeq ($(MAKECMDGOALS),dist)
441INSTALL-SRCS += $(call cond_enabled,CONFIG_INSTALL_SRCS,DIST-SRCS)
442endif
443.install-srcs: $(addprefix $(DIST_DIR)/src/,$(INSTALL-SRCS))
444	@touch $@
445
446clean::
447	rm -f .install-srcs
448
449ifeq ($(CONFIG_EXTERNAL_BUILD),yes)
450    BUILD_TARGETS += .projects
451    INSTALL_TARGETS += .install-projects
452endif
453BUILD_TARGETS += .docs .libs .bins
454INSTALL_TARGETS += .install-docs .install-srcs .install-libs .install-bins
455all: $(BUILD_TARGETS)
456install:: $(INSTALL_TARGETS)
457dist: $(INSTALL_TARGETS)
458test::
459
460.SUFFIXES:  # Delete default suffix rules
461