mirror of
https://github.com/webmproject/libwebp.git
synced 2024-11-20 04:18:26 +01:00
317 lines
12 KiB
CMake
317 lines
12 KiB
CMake
cmake_minimum_required(VERSION 2.8.7)
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project(libwebp C)
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# Options for coder / decoder executables.
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option(WEBP_ENABLE_SIMD "Enable any SIMD optimization." ON)
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option(WEBP_BUILD_CWEBP "Build the cwebp command line tool." OFF)
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option(WEBP_BUILD_DWEBP "Build the dwebp command line tool." OFF)
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option(WEBP_BUILD_GIF2WEBP "Build the gif2webp conversion tool." OFF)
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option(WEBP_BUILD_IMG2WEBP "Build the img2webp animation tool." OFF)
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option(WEBP_BUILD_WEBPINFO "Build the webpinfo command line tool." OFF)
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option(WEBP_BUILD_WEBP_JS "Emscripten build of webp.js." OFF)
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option(WEBP_EXPERIMENTAL_FEATURES "Build with experimental features." OFF)
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option(WEBP_ENABLE_SWAP_16BIT_CSP "Enable byte swap for 16 bit colorspaces." OFF)
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if(WEBP_BUILD_WEBP_JS)
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set(WEBP_ENABLE_SIMD OFF)
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endif()
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set(WEBP_DEP_LIBRARIES)
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set(WEBP_DEP_INCLUDE_DIRS)
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Release" CACHE
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"Build type: Release, Debug or RelWithDebInfo" STRING FORCE
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)
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endif()
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include(cmake/config.h.cmake)
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# Extract the version of the library.
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file(READ ${CMAKE_CURRENT_SOURCE_DIR}/configure.ac SOURCE_FILE)
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string(REGEX MATCH "[0-9.]+" WEBP_VERSION ${SOURCE_FILE})
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################################################################################
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# Options.
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if(WEBP_ENABLE_SWAP_16BIT_CSP)
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add_definitions(-DWEBP_SWAP_16BIT_CSP)
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endif()
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################################################################################
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# Android only.
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if(ANDROID)
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include_directories(${ANDROID_NDK}/sources/android/cpufeatures)
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add_library(cpufeatures STATIC
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${ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c
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)
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target_link_libraries(cpufeatures dl)
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set(WEBP_DEP_LIBRARIES ${WEBP_DEP_LIBRARIES} cpufeatures)
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set(WEBP_DEP_INCLUDE_DIRS ${WEBP_DEP_INCLUDE_DIRS}
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${ANDROID_NDK}/sources/android/cpufeatures
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)
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endif()
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################################################################################
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# WebP source files.
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# Read the Makefile.am to get the source files.
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# We expect the Makefiles to define the sources as defined in
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# the first regex. E.g.:
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# libimagedec_la_SOURCES = image_dec.c image_dec.h
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function(parse_Makefile_am FOLDER VAR SRC_REGEX)
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file(READ ${FOLDER}/Makefile.am MAKEFILE_AM)
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string(REGEX MATCHALL "${SRC_REGEX}_SOURCES[ ]*\\+?=[ ]+[0-9a-z\\._ ]*"
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FILES_PER_LINE ${MAKEFILE_AM}
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)
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set(SRCS ${${VAR}})
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foreach(FILES ${FILES_PER_LINE})
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string(FIND ${FILES} "=" OFFSET)
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math(EXPR OFFSET "${OFFSET} + 2")
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string(SUBSTRING ${FILES} ${OFFSET} -1 FILES)
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if(FILES)
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string(REGEX MATCHALL "[0-9a-z\\._]+"
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FILES ${FILES}
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)
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foreach(FILE ${FILES})
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list(APPEND SRCS ${FOLDER}/${FILE})
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endforeach()
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endif()
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endforeach()
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set(${VAR} ${SRCS} PARENT_SCOPE)
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endfunction()
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set(WEBP_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src)
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parse_Makefile_am(${WEBP_SRC_DIR}/dec "WEBP_DEC_SRCS" "")
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parse_Makefile_am(${WEBP_SRC_DIR}/demux "WEBP_DEMUX_SRCS" "")
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parse_Makefile_am(${WEBP_SRC_DIR}/dsp "WEBP_DSP_COMMON_SRCS" "COMMON")
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parse_Makefile_am(${WEBP_SRC_DIR}/dsp "WEBP_DSP_ENC_SRCS" "ENC")
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parse_Makefile_am(${WEBP_SRC_DIR}/dsp "WEBP_DSP_ENC_SRCS" "dsp_[^ ]*")
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parse_Makefile_am(${WEBP_SRC_DIR}/dsp "WEBP_DSP_DEC_SRCS" "decode_[^ ]*")
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parse_Makefile_am(${WEBP_SRC_DIR}/enc "WEBP_ENC_SRCS" "")
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parse_Makefile_am(${WEBP_SRC_DIR}/utils "WEBP_UTILS_COMMON_SRCS" "COMMON")
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parse_Makefile_am(${WEBP_SRC_DIR}/utils "WEBP_UTILS_ENC_SRCS" "ENC")
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parse_Makefile_am(${WEBP_SRC_DIR}/utils "WEBP_UTILS_DEC_SRCS" "decode_[^ ]*")
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# Remove the files specific to SIMD we don't use.
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foreach(FILE ${WEBP_SIMD_FILES_NOT_TO_INCLUDE})
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list(REMOVE_ITEM WEBP_DSP_ENC_SRCS ${FILE})
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list(REMOVE_ITEM WEBP_DSP_DEC_SRCS ${FILE})
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endforeach()
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### Define the mandatory libraries.
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# Build the webpdecoder library.
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add_definitions(-Wall)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/ ${WEBP_DEP_INCLUDE_DIRS})
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add_library(webpdecode OBJECT ${WEBP_DEC_SRCS})
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add_library(webpdspdecode OBJECT ${WEBP_DSP_COMMON_SRCS} ${WEBP_DSP_DEC_SRCS})
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add_library(webputilsdecode OBJECT ${WEBP_UTILS_COMMON_SRCS}
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${WEBP_UTILS_DEC_SRCS})
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add_library(webpdecoder $<TARGET_OBJECTS:webpdecode>
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$<TARGET_OBJECTS:webpdspdecode> $<TARGET_OBJECTS:webputilsdecode>)
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target_link_libraries(webpdecoder ${WEBP_DEP_LIBRARIES})
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# Build the webp library.
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add_library(webpencode OBJECT ${WEBP_ENC_SRCS})
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add_library(webpdsp OBJECT ${WEBP_DSP_COMMON_SRCS} ${WEBP_DSP_DEC_SRCS}
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${WEBP_DSP_ENC_SRCS})
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add_library(webputils OBJECT ${WEBP_UTILS_COMMON_SRCS} ${WEBP_UTILS_DEC_SRCS}
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${WEBP_UTILS_ENC_SRCS})
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add_library(webp $<TARGET_OBJECTS:webpdecode> $<TARGET_OBJECTS:webpdsp>
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$<TARGET_OBJECTS:webpencode> $<TARGET_OBJECTS:webputils>)
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target_link_libraries(webp ${WEBP_DEP_LIBRARIES})
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# Make sure the OBJECT libraries are built with position independent code
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# (it is not ON by default).
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set_target_properties(webpdecode webpdspdecode webputilsdecode
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webpencode webpdsp webputils PROPERTIES POSITION_INDEPENDENT_CODE ON)
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# Build the webp demux library.
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add_library(webpdemux ${WEBP_DEMUX_SRCS})
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target_link_libraries(webpdemux webp)
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# Set the version numbers.
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function(parse_version FILE NAME VAR)
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file(READ ${CMAKE_CURRENT_SOURCE_DIR}/src/${FILE} SOURCE_FILE)
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string(REGEX MATCH "${NAME}_la_LDFLAGS[^\n]* -version-info [0-9:]+" TMP
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${SOURCE_FILE})
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string(REGEX MATCH "[0-9:]+" TMP ${TMP})
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string(REGEX REPLACE ":" "." VERSION ${TMP})
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set(${VAR} "${VERSION}" PARENT_SCOPE)
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endfunction()
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parse_version(Makefile.am webp WEBP_WEBP_SOVERSION)
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set_target_properties(webp PROPERTIES VERSION ${WEBP_VERSION}
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SOVERSION ${WEBP_WEBP_SOVERSION})
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parse_version(Makefile.am webpdecoder WEBP_DECODER_SOVERSION)
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set_target_properties(webpdecoder PROPERTIES VERSION ${WEBP_VERSION}
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SOVERSION ${WEBP_DECODER_SOVERSION})
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parse_version(demux/Makefile.am webpdemux WEBP_DEMUX_SOVERSION)
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set_target_properties(webpdemux PROPERTIES VERSION ${WEBP_VERSION}
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SOVERSION ${WEBP_DEMUX_SOVERSION})
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# Define the libraries to install.
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set(INSTALLED_LIBRARIES webpdecoder webp webpdemux)
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### Deal with SIMD.
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# Change the compile flags for SIMD files we use.
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list(LENGTH WEBP_SIMD_FILES_TO_INCLUDE WEBP_SIMD_FILES_TO_INCLUDE_LENGTH)
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math(EXPR WEBP_SIMD_FILES_TO_INCLUDE_RANGE
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"${WEBP_SIMD_FILES_TO_INCLUDE_LENGTH}-1"
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)
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foreach(I_FILE RANGE ${WEBP_SIMD_FILES_TO_INCLUDE_RANGE})
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list(GET WEBP_SIMD_FILES_TO_INCLUDE ${I_FILE} FILE)
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list(GET WEBP_SIMD_FLAGS_TO_INCLUDE ${I_FILE} SIMD_COMPILE_FLAG)
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set_source_files_properties(${FILE} PROPERTIES
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COMPILE_FLAGS ${SIMD_COMPILE_FLAG}
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)
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endforeach()
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# Build the executables if asked for.
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if(WEBP_BUILD_CWEBP OR WEBP_BUILD_DWEBP OR
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WEBP_BUILD_GIF2WEBP OR WEBP_BUILD_IMG2WEBP OR WEBP_BUILD_WEBP_JS)
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# Example utility library.
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "EXAMPLEUTIL_SRCS"
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"example_util_[^ ]*")
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list(APPEND EXAMPLEUTIL_SRCS
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${CMAKE_CURRENT_SOURCE_DIR}/examples/stopwatch.h)
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add_library(exampleutil ${EXAMPLEUTIL_SRCS})
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/imageio "IMAGEIOUTILS_SRCS"
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"imageio_util_[^ ]*")
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add_library(imageioutil ${IMAGEIOUTILS_SRCS})
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target_link_libraries(imageioutil webp)
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# Image-decoding utility library.
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/imageio "IMAGEDEC_SRCS"
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"imagedec_[^ ]*")
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add_library(imagedec ${IMAGEDEC_SRCS})
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target_link_libraries(imagedec imageioutil webp ${WEBP_DEP_IMG_LIBRARIES})
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# Image-encoding utility library.
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/imageio "IMAGEENC_SRCS"
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"imageenc_[^ ]*")
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add_library(imageenc ${IMAGEENC_SRCS})
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target_link_libraries(imageenc webp)
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endif()
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if(WEBP_BUILD_DWEBP)
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# dwebp
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include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "DWEBP_SRCS"
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"dwebp")
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add_executable(dwebp ${DWEBP_SRCS})
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target_link_libraries(dwebp exampleutil imagedec imageenc webpdecoder)
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install(TARGETS dwebp RUNTIME DESTINATION bin)
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endif()
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if(WEBP_BUILD_CWEBP)
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# cwebp
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include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "CWEBP_SRCS"
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"cwebp")
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add_executable(cwebp ${CWEBP_SRCS})
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target_link_libraries(cwebp exampleutil imagedec webp)
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install(TARGETS cwebp RUNTIME DESTINATION bin)
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endif()
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if(WEBP_BUILD_GIF2WEBP OR WEBP_BUILD_IMG2WEBP)
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/mux "WEBP_MUX_SRCS"
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"")
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add_library(webpmux ${WEBP_MUX_SRCS})
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target_link_libraries(webpmux webp)
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parse_version(mux/Makefile.am webpmux WEBP_MUX_SOVERSION)
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set_target_properties(webpmux PROPERTIES VERSION ${WEBP_VERSION}
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SOVERSION ${WEBP_MUX_SOVERSION})
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list(APPEND INSTALLED_LIBRARIES webpmux)
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endif()
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if(WEBP_BUILD_GIF2WEBP)
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# gif2webp
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include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "GIF2WEBP_SRCS"
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"gif2webp")
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add_executable(gif2webp ${GIF2WEBP_SRCS})
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target_link_libraries(gif2webp exampleutil imageioutil webp webpmux
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${WEBP_DEP_IMG_LIBRARIES})
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install(TARGETS gif2webp RUNTIME DESTINATION bin)
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endif()
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if(WEBP_BUILD_IMG2WEBP)
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# img2webp
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include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "IMG2WEBP_SRCS"
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"img2webp")
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add_executable(img2webp ${IMG2WEBP_SRCS})
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target_link_libraries(img2webp exampleutil imagedec imageioutil webp webpmux)
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install(TARGETS img2webp RUNTIME DESTINATION bin)
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endif()
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if (WEBP_BUILD_WEBPINFO)
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# webpinfo
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include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
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parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/examples "WEBPINFO_SRCS"
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"webpinfo")
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add_executable(webpinfo ${WEBPINFO_SRCS})
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target_link_libraries(webpinfo exampleutil imageioutil)
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install(TARGETS webpinfo RUNTIME DESTINATION bin)
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endif()
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if(WEBP_BUILD_WEBP_JS)
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# JavaScript version
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add_executable(webp_js
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${CMAKE_CURRENT_SOURCE_DIR}/extras/webp_to_sdl.c)
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target_link_libraries(webp_js webpdecoder SDL)
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set_target_properties(webp_js PROPERTIES LINK_FLAGS
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"-s EXPORTED_FUNCTIONS='[\"_WebpToSDL\"]' -s INVOKE_RUN=0")
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set_target_properties(webp_js PROPERTIES OUTPUT_NAME webp)
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target_compile_definitions(webp_js PUBLIC EMSCRIPTEN WEBP_HAVE_SDL)
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# WASM version
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add_executable(webp_wasm
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${CMAKE_CURRENT_SOURCE_DIR}/extras/webp_to_sdl.c)
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target_link_libraries(webp_wasm webpdecoder SDL)
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set_target_properties(webp_wasm PROPERTIES LINK_FLAGS
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"-s WASM=1 -s 'BINARYEN_METHOD=\"native-wasm\"' \
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-s EXPORTED_FUNCTIONS='[\"_WebpToSDL\"]' -s INVOKE_RUN=0")
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target_compile_definitions(webp_wasm PUBLIC EMSCRIPTEN WEBP_HAVE_SDL)
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target_compile_definitions(webpdecoder PUBLIC EMSCRIPTEN)
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endif()
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# Install the different headers and libraries.
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install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/webp/decode.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/webp/demux.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/webp/encode.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/webp/mux.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/webp/mux_types.h
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${CMAKE_CURRENT_SOURCE_DIR}/src/webp/types.h
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DESTINATION include/webp)
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install(TARGETS ${INSTALLED_LIBRARIES}
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib)
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# Create the CMake version file.
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include(CMakePackageConfigHelpers)
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write_basic_package_version_file(
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"${CMAKE_CURRENT_BINARY_DIR}/WebPConfigVersion.cmake"
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VERSION ${WEBP_VERSION}
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COMPATIBILITY AnyNewerVersion
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)
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# Create the Config file.
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include(CMakePackageConfigHelpers)
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set(ConfigPackageLocation share/WebP/cmake/)
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configure_package_config_file(
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${CMAKE_CURRENT_SOURCE_DIR}/cmake/WebPConfig.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/WebPConfig.cmake
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INSTALL_DESTINATION ${ConfigPackageLocation}
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)
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# Install the generated CMake files.
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install(
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FILES "${CMAKE_CURRENT_BINARY_DIR}/WebPConfigVersion.cmake"
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"${CMAKE_CURRENT_BINARY_DIR}/WebPConfig.cmake"
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DESTINATION ${ConfigPackageLocation}
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)
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