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##
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##  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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##
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##  Use of this source code is governed by a BSD-style license
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##  that can be found in the LICENSE file in the root of the source
##  tree. An additional intellectual property rights grant can be found
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##  in the file PATENTS.  All contributing project authors may
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##  be found in the AUTHORS file in the root of the source tree.
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##

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LIBYUV_SRCS +=  third_party/libyuv/include/libyuv/basic_types.h  \
                third_party/libyuv/include/libyuv/cpu_id.h  \
                third_party/libyuv/include/libyuv/scale.h  \
                third_party/libyuv/source/row.h \
                third_party/libyuv/source/scale.c  \
                third_party/libyuv/source/cpu_id.c
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# List of examples to build. UTILS are files that are taken from the source
# tree directly, and GEN_EXAMPLES are files that are created from the
# examples folder.
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UTILS-$(CONFIG_DECODERS)    += vpxdec.c
vpxdec.SRCS                 += md5_utils.c md5_utils.h
vpxdec.SRCS                 += vpx_ports/vpx_timer.h
vpxdec.SRCS                 += vpx/vpx_integer.h
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vpxdec.SRCS                 += args.c args.h
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vpxdec.SRCS                 += ivfdec.c ivfdec.h
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vpxdec.SRCS                 += tools_common.c tools_common.h
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vpxdec.SRCS                 += webmdec.c webmdec.h
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vpxdec.SRCS                 += nestegg/halloc/halloc.h
vpxdec.SRCS                 += nestegg/halloc/src/align.h
vpxdec.SRCS                 += nestegg/halloc/src/halloc.c
vpxdec.SRCS                 += nestegg/halloc/src/hlist.h
vpxdec.SRCS                 += nestegg/halloc/src/macros.h
vpxdec.SRCS                 += nestegg/include/nestegg/nestegg.h
vpxdec.SRCS                 += nestegg/src/nestegg.c
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vpxdec.SRCS                 += $(LIBYUV_SRCS)
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vpxdec.GUID                  = BA5FE66F-38DD-E034-F542-B1578C5FB950
vpxdec.DESCRIPTION           = Full featured decoder
UTILS-$(CONFIG_ENCODERS)    += vpxenc.c
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vpxenc.SRCS                 += args.c args.h y4minput.c y4minput.h vpxenc.h
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vpxenc.SRCS                 += ivfdec.c ivfdec.h
vpxenc.SRCS                 += ivfenc.c ivfenc.h
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vpxenc.SRCS                 += tools_common.c tools_common.h
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vpxenc.SRCS                 += warnings.c warnings.h
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vpxenc.SRCS                 += webmenc.c webmenc.h
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vpxenc.SRCS                 += vpx_ports/mem_ops.h
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vpxenc.SRCS                 += vpx_ports/mem_ops_aligned.h
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vpxenc.SRCS                 += vpx_ports/vpx_timer.h
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vpxenc.SRCS                 += vpxstats.c vpxstats.h
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vpxenc.SRCS                 += third_party/libmkv/EbmlIDs.h
vpxenc.SRCS                 += third_party/libmkv/EbmlWriter.c
vpxenc.SRCS                 += third_party/libmkv/EbmlWriter.h
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vpxenc.SRCS                 += $(LIBYUV_SRCS)
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vpxenc.GUID                  = 548DEC74-7A15-4B2B-AFC3-AA102E7C25C1
vpxenc.DESCRIPTION           = Full featured encoder
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UTILS-$(CONFIG_VP8_ENCODER)    += vp8_scalable_patterns.c
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vp8_scalable_patterns.GUID   = 0D6A210B-F482-4D6F-8570-4A9C01ACC88C
vp8_scalable_patterns.DESCRIPTION = Temporal Scalability Encoder
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UTILS-$(CONFIG_VP9_ENCODER)    += vp9_spatial_scalable_encoder.c
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vp9_spatial_scalable_encoder.SRCS += args.c args.h
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vp9_spatial_scalable_encoder.SRCS += ivfenc.c ivfenc.h
vp9_spatial_scalable_encoder.SRCS += tools_common.c tools_common.h
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vp9_spatial_scalable_encoder.GUID   = 4A38598D-627D-4505-9C7B-D4020C84100D
vp9_spatial_scalable_encoder.DESCRIPTION = Spatial Scalable Encoder
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# XMA example disabled for now, not used in VP8
#UTILS-$(CONFIG_DECODERS)    += example_xma.c
#example_xma.GUID             = A955FC4A-73F1-44F7-135E-30D84D32F022
#example_xma.DESCRIPTION      = External Memory Allocation mode usage
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GEN_EXAMPLES-$(CONFIG_VP8_DECODER) += simple_decoder.c
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simple_decoder.GUID              = D3BBF1E9-2427-450D-BBFF-B2843C1D44CC
simple_decoder.DESCRIPTION       = Simplified decoder loop
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GEN_EXAMPLES-$(CONFIG_VP8_DECODER) += postproc.c
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postproc.GUID                    = 65E33355-F35E-4088-884D-3FD4905881D7
postproc.DESCRIPTION             = Decoder postprocessor control
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GEN_EXAMPLES-$(CONFIG_VP8_DECODER) += decode_to_md5.c
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decode_to_md5.SRCS              += md5_utils.h md5_utils.c
decode_to_md5.GUID               = 59120B9B-2735-4BFE-B022-146CA340FE42
decode_to_md5.DESCRIPTION        = Frame by frame MD5 checksum

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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += simple_encoder.c
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simple_encoder.GUID              = 4607D299-8A71-4D2C-9B1D-071899B6FBFD
simple_encoder.DESCRIPTION       = Simplified encoder loop
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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += twopass_encoder.c
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twopass_encoder.GUID             = 73494FA6-4AF9-4763-8FBB-265C92402FD8
twopass_encoder.DESCRIPTION      = Two-pass encoder loop
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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += force_keyframe.c
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force_keyframe.GUID              = 3C67CADF-029F-4C86-81F5-D6D4F51177F0
force_keyframe.DESCRIPTION       = Force generation of keyframes
ifeq ($(CONFIG_DECODERS),yes)
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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += decode_with_drops.c
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endif
decode_with_drops.GUID           = CE5C53C4-8DDA-438A-86ED-0DDD3CDB8D26
decode_with_drops.DESCRIPTION    = Drops frames while decoding
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ifeq ($(CONFIG_VP8_DECODER),yes)
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GEN_EXAMPLES-$(CONFIG_ERROR_CONCEALMENT) += decode_with_partial_drops.c
endif
decode_with_partial_drops.GUID           = 61C2D026-5754-46AC-916F-1343ECC5537E
decode_with_partial_drops.DESCRIPTION    = Drops parts of frames while decoding
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GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += error_resilient.c
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error_resilient.GUID             = DF5837B9-4145-4F92-A031-44E4F832E00C
error_resilient.DESCRIPTION      = Error Resiliency Feature

GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8_set_maps.c
vp8_set_maps.GUID                   = ECB2D24D-98B8-4015-A465-A4AF3DCC145F
vp8_set_maps.DESCRIPTION            = VP8 set active and ROI maps
GEN_EXAMPLES-$(CONFIG_VP8_ENCODER) += vp8cx_set_ref.c
vp8cx_set_ref.GUID                  = C5E31F7F-96F6-48BD-BD3E-10EBF6E8057A
vp8cx_set_ref.DESCRIPTION           = VP8 set encoder reference frame

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# C file is provided, not generated automatically.
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UTILS-$(CONFIG_MULTI_RES_ENCODING) += vp8_multi_resolution_encoder.c
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vp8_multi_resolution_encoder.SRCS         += $(LIBYUV_SRCS)
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vp8_multi_resolution_encoder.GUID         = 04f8738e-63c8-423b-90fa-7c2703a374de
vp8_multi_resolution_encoder.DESCRIPTION  = VP8 Multiple-resolution Encoding
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# Handle extra library flags depending on codec configuration

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# 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
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CODEC_EXTRA_LIBS-$(CONFIG_VP9)         += m
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else
    ifeq ($(CONFIG_GCC), yes)
    CODEC_EXTRA_LIBS-$(CONFIG_VP8)         += m
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    CODEC_EXTRA_LIBS-$(CONFIG_VP9)         += m
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    endif
endif
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#
# 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 := $(SRC_PATH_BARE)/../lib
    INC_PATH := $(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)   += $(SRC_PATH_BARE)/vp8
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    INC_PATH-$(CONFIG_VP9_DECODER)   += $(SRC_PATH_BARE)/vp9
    INC_PATH-$(CONFIG_VP9_ENCODER)   += $(SRC_PATH_BARE)/vp9
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    LIB_PATH := $(call enabled,LIB_PATH)
    INC_PATH := $(call enabled,INC_PATH)
endif
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INTERNAL_CFLAGS = $(addprefix -I,$(INC_PATH))
INTERNAL_LDFLAGS += $(addprefix -L,$(LIB_PATH))
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# Expand list of selected examples to build (as specified above)
UTILS           = $(call enabled,UTILS)
GEN_EXAMPLES    = $(call enabled,GEN_EXAMPLES)
ALL_EXAMPLES    = $(UTILS) $(GEN_EXAMPLES)
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UTIL_SRCS       = $(foreach ex,$(UTILS),$($(ex:.c=).SRCS))
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ALL_SRCS        = $(foreach ex,$(ALL_EXAMPLES),$($(ex:.c=).SRCS))
CODEC_EXTRA_LIBS=$(sort $(call enabled,CODEC_EXTRA_LIBS))


# Expand all example sources into a variable containing all sources
# for that example (not just them main one specified in UTILS/GEN_EXAMPLES)
# and add this file to the list (for MSVS workspace generation)
$(foreach ex,$(ALL_EXAMPLES),$(eval $(ex:.c=).SRCS += $(ex) examples.mk))


# If this is a universal (fat) binary, then all the subarchitectures have
# already been built and our job is to stitch them together. The
# BUILD_OBJS variable indicates whether we should be building
# (compiling, linking) the library. The LIPO_OBJS variable indicates
# that we're stitching.
$(eval $(if $(filter universal%,$(TOOLCHAIN)),LIPO_OBJS,BUILD_OBJS):=yes)


# Create build/install dependencies for all examples. The common case
# is handled here. The MSVS case is handled below.
NOT_MSVS = $(if $(CONFIG_MSVS),,yes)
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DIST-BINS-$(NOT_MSVS)      += $(addprefix bin/,$(ALL_EXAMPLES:.c=$(EXE_SFX)))
INSTALL-BINS-$(NOT_MSVS)   += $(addprefix bin/,$(UTILS:.c=$(EXE_SFX)))
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DIST-SRCS-yes              += $(ALL_SRCS)
INSTALL-SRCS-yes           += $(UTIL_SRCS)
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OBJS-$(NOT_MSVS)           += $(if $(BUILD_OBJS),$(call objs,$(ALL_SRCS)))
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BINS-$(NOT_MSVS)           += $(addprefix $(BUILD_PFX),$(ALL_EXAMPLES:.c=$(EXE_SFX)))
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# Instantiate linker template for all examples.
CODEC_LIB=$(if $(CONFIG_DEBUG_LIBS),vpx_g,vpx)
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SHARED_LIB_SUF=$(if $(filter darwin%,$(TGT_OS)),.dylib,.so)
CODEC_LIB_SUF=$(if $(CONFIG_SHARED),$(SHARED_LIB_SUF),.a)
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$(foreach bin,$(BINS-yes),\
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    $(if $(BUILD_OBJS),$(eval $(bin):\
        $(LIB_PATH)/lib$(CODEC_LIB)$(CODEC_LIB_SUF)))\
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    $(if $(BUILD_OBJS),$(eval $(call linker_template,$(bin),\
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        $(call objs,$($(notdir $(bin:$(EXE_SFX)=)).SRCS)) \
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        -l$(CODEC_LIB) $(addprefix -l,$(CODEC_EXTRA_LIBS))\
        )))\
    $(if $(LIPO_OBJS),$(eval $(call lipo_bin_template,$(bin))))\
    )


# Rules to generate the GEN_EXAMPLES sources
.PRECIOUS: %.c
CLEAN-OBJS += $(GEN_EXAMPLES)
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%.c: examples/%.c
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	@echo "    [EXAMPLE] $@"
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	@cp $< $@
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# 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 ($(CONFIG_MSVS),yes)
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CODEC_LIB=$(if $(CONFIG_SHARED),vpx,$(if $(CONFIG_STATIC_MSVCRT),vpxmt,vpxmd))
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# 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
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$(1): $($(1:.$(VCPROJ_SFX)=).SRCS) vpx.$(VCPROJ_SFX)
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	@echo "    [vcproj] $$@"
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	$$(GEN_VCPROJ)\
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            --exe\
            --target=$$(TOOLCHAIN)\
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            --name=$$(@:.$(VCPROJ_SFX)=)\
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            --ver=$$(CONFIG_VS_VERSION)\
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            --proj-guid=$$($$(@:.$(VCPROJ_SFX)=).GUID)\
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            $$(if $$(CONFIG_STATIC_MSVCRT),--static-crt) \
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            --out=$$@ $$(INTERNAL_CFLAGS) $$(CFLAGS) \
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            $$(INTERNAL_LDFLAGS) $$(LDFLAGS) -l$$(CODEC_LIB) $$^
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endef
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PROJECTS-$(CONFIG_MSVS) += $(ALL_EXAMPLES:.c=.$(VCPROJ_SFX))
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INSTALL-BINS-$(CONFIG_MSVS) += $(foreach p,$(VS_PLATFORMS),\
                               $(addprefix bin/$(p)/,$(ALL_EXAMPLES:.c=.exe)))
$(foreach proj,$(call enabled,PROJECTS),\
    $(eval $(call vcproj_template,$(proj))))