path: root/common.mak (plain)
blob: 3c645adbfa3d7237dbbcc431081b688c895d6be8

1	#
2	# common bits used by all libraries
3	#
4
5	# first so "all" becomes default target
6	all: all-yes
7
8	DEFAULT_YASMD=.dbg
9
10	ifeq ($(DBG),1)
11	YASMD=$(DEFAULT_YASMD)
12	else
13	YASMD=
14	endif
15
16	ifndef SUBDIR
17
18	ifndef V
19	Q = @
20	ECHO = printf "$(1)\t%s\n" $(2)
21	BRIEF = CC CXX OBJCC HOSTCC HOSTLD AS YASM AR LD STRIP CP WINDRES
22	SILENT = DEPCC DEPHOSTCC DEPAS DEPYASM RANLIB RM
23
24	MSG = $@
25	M = @$(call ECHO,$(TAG),$@);
26	$(foreach VAR,$(BRIEF), \
27	$(eval override $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
28	$(foreach VAR,$(SILENT),$(eval override $(VAR) = @$($(VAR))))
29	$(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
30	endif
31
32	ALLFFLIBS = avcodec avdevice avfilter avformat avresample avutil postproc swscale swresample
33
34	# NASM requires -I path terminated with /
35	IFLAGS := -I. -I$(SRC_LINK)/
36	CPPFLAGS := $(IFLAGS) $(CPPFLAGS)
37	CFLAGS += $(ECFLAGS)
38	CCFLAGS = $(CPPFLAGS) $(CFLAGS)
39	OBJCFLAGS += $(EOBJCFLAGS)
40	OBJCCFLAGS = $(CPPFLAGS) $(CFLAGS) $(OBJCFLAGS)
41	ASFLAGS := $(CPPFLAGS) $(ASFLAGS)
42	CXXFLAGS := $(CPPFLAGS) $(CFLAGS) $(CXXFLAGS)
43	YASMFLAGS += $(IFLAGS:%=%/) -Pconfig.asm
44
45	HOSTCCFLAGS = $(IFLAGS) $(HOSTCPPFLAGS) $(HOSTCFLAGS)
46	LDFLAGS := $(ALLFFLIBS:%=$(LD_PATH)lib%) $(LDFLAGS)
47
48	define COMPILE
49	$(call $(1)DEP,$(1))
50	$($(1)) $($(1)FLAGS) $($(1)_DEPFLAGS) $($(1)_C) $($(1)_O) $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<)
51	endef
52
53	COMPILE_C = $(call COMPILE,CC)
54	COMPILE_CXX = $(call COMPILE,CXX)
55	COMPILE_S = $(call COMPILE,AS)
56	COMPILE_M = $(call COMPILE,OBJCC)
57	COMPILE_HOSTC = $(call COMPILE,HOSTCC)
58
59	%.o: %.c
60	$(COMPILE_C)
61
62	%.o: %.cpp
63	$(COMPILE_CXX)
64
65	%.o: %.m
66	$(COMPILE_M)
67
68	%.s: %.c
69	$(CC) $(CCFLAGS) -S -o $@ $<
70
71	%.o: %.S
72	$(COMPILE_S)
73
74	%_host.o: %.c
75	$(COMPILE_HOSTC)
76
77	%$(DEFAULT_YASMD).asm: %.asm
78	$(DEPYASM) $(YASMFLAGS) -I $(<D)/ -M -o $@ $< > $(@:.asm=.d)
79	$(YASM) $(YASMFLAGS) -I $(<D)/ -e $< | sed '/^%/d;/^$$/d;' > $@
80
81	%.o: %.asm
82	$(DEPYASM) $(YASMFLAGS) -I $(<D)/ -M -o $@ $< > $(@:.o=.d)
83	$(YASM) $(YASMFLAGS) -I $(<D)/ -o $@ $(patsubst $(SRC_PATH)/%,$(SRC_LINK)/%,$<)
84	-$(if $(ASMSTRIPFLAGS), $(STRIP) $(ASMSTRIPFLAGS) $@)
85
86	%.o: %.rc
87	$(WINDRES) $(IFLAGS) --preprocessor "$(DEPWINDRES) -E -xc-header -DRC_INVOKED $(CC_DEPFLAGS)" -o $@ $<
88
89	%.i: %.c
90	$(CC) $(CCFLAGS) $(CC_E) $<
91
92	%.h.c:
93	$(Q)echo '#include "$*.h"' >$@
94
95	%.c %.h %.ver: TAG = GEN
96
97	# Dummy rule to stop make trying to rebuild removed or renamed headers
98	%.h:
99	@:
100
101	# Disable suffix rules. Most of the builtin rules are suffix rules,
102	# so this saves some time on slow systems.
103	.SUFFIXES:
104
105	# Do not delete intermediate files from chains of implicit rules
106	$(OBJS):
107	endif
108
109	include $(SRC_PATH)/arch.mak
110
111	OBJS += $(OBJS-yes)
112	SLIBOBJS += $(SLIBOBJS-yes)
113	FFLIBS := $($(NAME)_FFLIBS) $(FFLIBS-yes) $(FFLIBS)
114	TESTPROGS += $(TESTPROGS-yes)
115
116	LDLIBS = $(FFLIBS:%=%$(BUILDSUF))
117	FFEXTRALIBS := $(LDLIBS:%=$(LD_LIB)) $(EXTRALIBS)
118
119	OBJS := $(sort $(OBJS:%=$(SUBDIR)%))
120	SLIBOBJS := $(sort $(SLIBOBJS:%=$(SUBDIR)%))
121	TESTOBJS := $(TESTOBJS:%=$(SUBDIR)tests/%) $(TESTPROGS:%=$(SUBDIR)tests/%.o)
122	TESTPROGS := $(TESTPROGS:%=$(SUBDIR)tests/%$(EXESUF))
123	HOSTOBJS := $(HOSTPROGS:%=$(SUBDIR)%.o)
124	HOSTPROGS := $(HOSTPROGS:%=$(SUBDIR)%$(HOSTEXESUF))
125	TOOLS += $(TOOLS-yes)
126	TOOLOBJS := $(TOOLS:%=tools/%.o)
127	TOOLS := $(TOOLS:%=tools/%$(EXESUF))
128	HEADERS += $(HEADERS-yes)
129
130	PATH_LIBNAME = $(foreach NAME,$(1),lib$(NAME)/$($(2)LIBNAME))
131	DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib),$(CONFIG_SHARED:yes=S)))
132	STATIC_DEP_LIBS := $(foreach lib,$(FFLIBS),$(call PATH_LIBNAME,$(lib)))
133
134	SRC_DIR := $(SRC_PATH)/lib$(NAME)
135	ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
136	SKIPHEADERS += $(ARCH_HEADERS:%=$(ARCH)/%) $(SKIPHEADERS-)
137	SKIPHEADERS := $(SKIPHEADERS:%=$(SUBDIR)%)
138	HOBJS = $(filter-out $(SKIPHEADERS:.h=.h.o),$(ALLHEADERS:.h=.h.o))
139	checkheaders: $(HOBJS)
140	.SECONDARY: $(HOBJS:.o=.c)
141
142	alltools: $(TOOLS)
143
144	$(HOSTOBJS): %.o: %.c
145	$(COMPILE_HOSTC)
146
147	$(HOSTPROGS): %$(HOSTEXESUF): %.o
148	$(HOSTLD) $(HOSTLDFLAGS) $(HOSTLD_O) $^ $(HOSTLIBS)
149
150	$(OBJS): | $(sort $(dir $(OBJS)))
151	$(HOBJS): | $(sort $(dir $(HOBJS)))
152	$(HOSTOBJS): | $(sort $(dir $(HOSTOBJS)))
153	$(SLIBOBJS): | $(sort $(dir $(SLIBOBJS)))
154	$(TESTOBJS): | $(sort $(dir $(TESTOBJS)))
155	$(TOOLOBJS): | tools
156
157	OBJDIRS := $(OBJDIRS) $(dir $(OBJS) $(HOBJS) $(HOSTOBJS) $(SLIBOBJS) $(TESTOBJS))
158
159	CLEANSUFFIXES = *.d *.o *~ *.h.c *.gcda *.gcno *.map *.ver *.ho *$(DEFAULT_YASMD).asm
160	DISTCLEANSUFFIXES = *.pc
161	LIBSUFFIXES = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a
162
163	define RULES
164	clean::
165	$(RM) $(HOSTPROGS) $(TESTPROGS) $(TOOLS)
166	endef
167
168	$(eval $(RULES))
169
170	-include $(wildcard $(OBJS:.o=.d) $(HOSTOBJS:.o=.d) $(TESTOBJS:.o=.d) $(HOBJS:.o=.d) $(SLIBOBJS:.o=.d)) $(OBJS:.o=$(DEFAULT_YASMD).d)
171