1#
2# common bits used by all libraries
3#
4
5# first so "all" becomes default target
6all: all-yes
7
8ifndef SUBDIR
9vpath %.c   $(SRC_DIR)
10vpath %.h   $(SRC_DIR)
11vpath %.S   $(SRC_DIR)
12vpath %.asm $(SRC_DIR)
13vpath %.v   $(SRC_DIR)
14
15ifeq ($(SRC_DIR),$(SRC_PATH_BARE))
16BUILD_ROOT_REL = .
17else
18BUILD_ROOT_REL = ..
19endif
20
21ifndef V
22Q      = @
23ECHO   = printf "$(1)\t%s\n" $(2)
24BRIEF  = CC AS YASM AR LD HOSTCC STRIP CP
25SILENT = DEPCC YASMDEP RM RANLIB
26MSG    = $@
27M      = @$(call ECHO,$(TAG),$@);
28$(foreach VAR,$(BRIEF), \
29    $(eval $(VAR) = @$$(call ECHO,$(VAR),$$(MSG)); $($(VAR))))
30$(foreach VAR,$(SILENT),$(eval $(VAR) = @$($(VAR))))
31$(eval INSTALL = @$(call ECHO,INSTALL,$$(^:$(SRC_DIR)/%=%)); $(INSTALL))
32endif
33
34ALLFFLIBS = avcodec avdevice avfilter avformat avutil postproc swscale
35
36CPPFLAGS := -I$(BUILD_ROOT_REL) -I$(SRC_PATH) $(CPPFLAGS)
37CFLAGS   += $(ECFLAGS)
38
39%.o: %.c
40	$(CCDEP)
41	$(CC) $(CPPFLAGS) $(CFLAGS) $(CC_DEPFLAGS) -c $(CC_O) $<
42
43%.o: %.S
44	$(ASDEP)
45	$(AS) $(CPPFLAGS) $(ASFLAGS) $(AS_DEPFLAGS) -c -o $@ $<
46
47%.ho: %.h
48	$(CC) $(CPPFLAGS) $(CFLAGS) -Wno-unused -c -o $@ -x c $<
49
50%$(EXESUF): %.c
51
52%.ver: %.v
53	$(Q)sed 's/$$MAJOR/$($(basename $(@F))_VERSION_MAJOR)/' $^ > $@
54
55%.c %.h: TAG = GEN
56
57install: install-libs install-headers
58install-libs: install-libs-yes
59
60uninstall: uninstall-libs uninstall-headers
61
62.PHONY: all depend dep *clean install* uninstall* examples testprogs
63
64# Disable suffix rules.  Most of the builtin rules are suffix rules,
65# so this saves some time on slow systems.
66.SUFFIXES:
67
68# Do not delete intermediate files from chains of implicit rules
69$(OBJS):
70endif
71
72OBJS-$(HAVE_MMX) +=  $(MMX-OBJS-yes)
73
74CFLAGS    += $(CFLAGS-yes)
75OBJS      += $(OBJS-yes)
76FFLIBS    := $(FFLIBS-yes) $(FFLIBS)
77TESTPROGS += $(TESTPROGS-yes)
78
79FFEXTRALIBS := $(addprefix -l,$(addsuffix $(BUILDSUF),$(FFLIBS))) $(EXTRALIBS)
80FFLDFLAGS   := $(addprefix -L$(BUILD_ROOT)/lib,$(ALLFFLIBS)) $(LDFLAGS)
81
82EXAMPLES  := $(addprefix $(SUBDIR),$(addsuffix -example$(EXESUF),$(EXAMPLES)))
83OBJS      := $(addprefix $(SUBDIR),$(sort $(OBJS)))
84TESTOBJS  := $(addprefix $(SUBDIR),$(TESTOBJS))
85TESTPROGS := $(addprefix $(SUBDIR),$(addsuffix -test$(EXESUF),$(TESTPROGS)))
86HOSTOBJS  := $(addprefix $(SUBDIR),$(addsuffix .o,$(HOSTPROGS)))
87HOSTPROGS := $(addprefix $(SUBDIR),$(addsuffix $(HOSTEXESUF),$(HOSTPROGS)))
88
89DEP_LIBS := $(foreach NAME,$(FFLIBS),$(BUILD_ROOT_REL)/lib$(NAME)/$($(CONFIG_SHARED:yes=S)LIBNAME))
90
91ALLHEADERS := $(subst $(SRC_DIR)/,$(SUBDIR),$(wildcard $(SRC_DIR)/*.h $(SRC_DIR)/$(ARCH)/*.h))
92SKIPHEADERS += $(addprefix $(ARCH)/,$(ARCH_HEADERS))
93SKIPHEADERS := $(addprefix $(SUBDIR),$(SKIPHEADERS-) $(SKIPHEADERS))
94checkheaders: $(filter-out $(SKIPHEADERS:.h=.ho),$(ALLHEADERS:.h=.ho))
95
96$(HOSTOBJS): %.o: %.c
97	$(HOSTCC) $(HOSTCFLAGS) -c -o $@ $<
98
99$(HOSTPROGS): %$(HOSTEXESUF): %.o
100	$(HOSTCC) $(HOSTLDFLAGS) -o $@ $< $(HOSTLIBS)
101
102DEPS := $(OBJS:.o=.d)
103depend dep: $(DEPS)
104
105CLEANSUFFIXES     = *.d *.o *~ *.ho *.map *.ver
106DISTCLEANSUFFIXES = *.pc
107LIBSUFFIXES       = *.a *.lib *.so *.so.* *.dylib *.dll *.def *.dll.a *.exp
108
109-include $(wildcard $(DEPS))
110