## ## Copyright (c) 2010 The WebM project authors. All Rights Reserved. ## ## Use of this source code is governed by a BSD-style license ## that can be found in the LICENSE file in the root of the source ## tree. An additional intellectual property rights grant can be found ## in the file PATENTS. All contributing project authors may ## be found in the AUTHORS file in the root of the source tree. ##
# Handle extra library flags depending on codec configuration
# We should not link to math library (libm) on RVCT # when building for bare-metal targets ifeq ($(CONFIG_OS_SUPPORT), yes)
CODEC_EXTRA_LIBS-$(CONFIG_VP8) += m
CODEC_EXTRA_LIBS-$(CONFIG_VP9) += m else ifeq ($(CONFIG_GCC), yes)
CODEC_EXTRA_LIBS-$(CONFIG_VP8) += m
CODEC_EXTRA_LIBS-$(CONFIG_VP9) += m endif endif # # End of specified files. The rest of the build rules should happen # automagically from here. #
# Examples need different flags based on whether we're building # from an installed tree or a version controlled tree. Determine # the proper paths. ifeq ($(HAVE_ALT_TREE_LAYOUT),yes)
LIB_PATH-yes := $(SRC_PATH_BARE)/../lib
INC_PATH-yes := $(SRC_PATH_BARE)/../include else
LIB_PATH-yes += $(if $(BUILD_PFX),$(BUILD_PFX),.)
INC_PATH-$(CONFIG_VP8_DECODER) += $(SRC_PATH_BARE)/vp8
INC_PATH-$(CONFIG_VP8_ENCODER) += $(SRC_PATH_BARE)/vp8
INC_PATH-$(CONFIG_VP9_DECODER) += $(SRC_PATH_BARE)/vp9
INC_PATH-$(CONFIG_VP9_ENCODER) += $(SRC_PATH_BARE)/vp9 endif
INC_PATH-$(CONFIG_LIBYUV) += $(SRC_PATH_BARE)/third_party/libyuv/include
LIB_PATH := $(call enabled,LIB_PATH)
INC_PATH := $(call enabled,INC_PATH)
INTERNAL_CFLAGS = $(addprefix -I,$(INC_PATH))
INTERNAL_LDFLAGS += $(addprefix -L,$(LIB_PATH))
# Expand all example sources into a variable containing all sources # for that example (not just them main one specified in UTILS/EXAMPLES) # and add this file to the list (for MSVS workspace generation)
$(foreach ex,$(ALL_EXAMPLES),$(eval $(notdir $(ex:.c=)).SRCS += $(ex) examples.mk))
# Create build/install dependencies for all examples. The common case # is handled here. The MSVS case is handled below.
NOT_MSVS = $(if $(CONFIG_MSVS),,yes)
DIST-BINS-$(NOT_MSVS) += $(addprefix bin/,$(ALL_EXAMPLES:.c=$(EXE_SFX)))
INSTALL-BINS-$(NOT_MSVS) += $(addprefix bin/,$(UTILS:.c=$(EXE_SFX)))
DIST-SRCS-yes += $(ALL_SRCS)
INSTALL-SRCS-yes += $(UTIL_SRCS)
OBJS-$(NOT_MSVS) += $(call objs,$(ALL_SRCS))
BINS-$(NOT_MSVS) += $(addprefix $(BUILD_PFX),$(ALL_EXAMPLES:.c=$(EXE_SFX)))
# The following pairs define a mapping of locations in the distribution # tree to locations in the source/build trees.
INSTALL_MAPS += src/%.c %.c
INSTALL_MAPS += src/% $(SRC_PATH_BARE)/%
INSTALL_MAPS += bin/% %
INSTALL_MAPS += % %
# Set up additional MSVS environment ifeq ($(CONFIG_MSVS),yes)
CODEC_LIB=$(if $(CONFIG_SHARED),vpx,$(if $(CONFIG_STATIC_MSVCRT),vpxmt,vpxmd)) # This variable uses deferred expansion intentionally, since the results of # $(wildcard) may change during the course of the Make.
VS_PLATFORMS = $(foreach d,$(wildcard */Release/$(CODEC_LIB).lib),$(word 1,$(subst /, ,$(d))))
INSTALL_MAPS += $(foreach p,$(VS_PLATFORMS),bin/$(p)/% $(p)/Release/%) endif
# Build Visual Studio Projects. We use a template here to instantiate # explicit rules rather than using an implicit rule because we want to # leverage make's VPATH searching rather than specifying the paths on # each file in ALL_EXAMPLES. This has the unfortunate side effect that # touching the source files trigger a rebuild of the project files # even though there is no real dependency there (the dependency is on # the makefiles). We may want to revisit this. define vcproj_template
$(1): $($(1:.$(VCPROJ_SFX)=).SRCS) vpx.$(VCPROJ_SFX)
$(if $(quiet),@echo" [vcproj] $$@")
$(qexec)$$(GEN_VCPROJ)\
--exe\
--target=$$(TOOLCHAIN)\
--name=$$(@:.$(VCPROJ_SFX)=)\
--ver=$$(CONFIG_VS_VERSION)\
--proj-guid=$$($$(@:.$(VCPROJ_SFX)=).GUID)\
--src-path-bare="$(SRC_PATH_BARE)" \
--as=$$(AS) \
$$(if $$(CONFIG_STATIC_MSVCRT),--static-crt) \
--out=$$@ $$(INTERNAL_CFLAGS) $$(CFLAGS) \
$$(INTERNAL_LDFLAGS) $$(LDFLAGS) -l$$(CODEC_LIB) $$^ endef
ALL_EXAMPLES_BASENAME := $(notdir $(ALL_EXAMPLES))
PROJECTS-$(CONFIG_MSVS) += $(ALL_EXAMPLES_BASENAME:.c=.$(VCPROJ_SFX))
INSTALL-BINS-$(CONFIG_MSVS) += $(foreach p,$(VS_PLATFORMS),\
$(addprefix bin/$(p)/,$(ALL_EXAMPLES_BASENAME:.c=.exe)))
$(foreach proj,$(call enabled,PROJECTS),\
$(eval $(call vcproj_template,$(proj))))
samples.dox: examples.mk
@echo" [DOXY] $@"
@echo"/*!\page samples Sample Code" > $@
@echo" This SDK includes a number of sample applications."\ "Each sample documents a feature of the SDK in both prose"\ "and the associated C code."\ "The following samples are included: ">>$@
@$(foreach ex,$(sort $(notdir $(EXAMPLES:.c=))),\ echo" - \subpage example_$(ex) $($(ex).DESCRIPTION)" >> $@;)
@echo >> $@
@echo" In addition, the SDK contains a number of utilities."\ "Since these utilities are built upon the concepts described"\ "in the sample code listed above, they are not documented in"\ "pieces like the samples are. Their source is included here"\ "for reference. The following utilities are included:" >> $@
@$(foreach ex,$(sort $(UTILS:.c=)),\ echo" - \subpage example_$(ex) $($(ex).DESCRIPTION)" >> $@;)
@echo"*/" >> $@
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