[devel] Revised CMakeLists.txt to work with libpng-1.5.0
This commit is contained in:
Glenn Randers-Pehrson
parent
a2218a4b6d
commit
0c3fea306a
169
CMakeLists.txt
169
CMakeLists.txt
@ -1,14 +1,19 @@
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cmake_minimum_required(VERSION 2.4.3)
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cmake_minimum_required(VERSION 2.4.4)
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set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
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if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
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"Choose the type of build, options are:
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None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
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Debug
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Release
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RelWithDebInfo
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MinSizeRel.")
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if(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 4)
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# workaround CMake 2.4.x bug
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set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
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else()
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set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
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"Choose the type of build, options are:
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None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
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Debug
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Release
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RelWithDebInfo
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MinSizeRel.")
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endif()
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endif()
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project(libpng C)
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@ -91,19 +96,27 @@ else()
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endif()
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# SET LIBNAME
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set(PNG_LIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
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set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
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# to distinguish between debug and release lib
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set(CMAKE_DEBUG_POSTFIX "d")
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# Use the prebuilt pnglibconf.h file from the scripts folder
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt
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${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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# OUR SOURCES
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set(libpng_sources
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set(libpng_public_hdrs
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png.h
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pngconf.h
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pngpriv.h
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${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h
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)
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set(libpng_sources
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${libpng_public_hdrs}
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pngdebug.h
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pnginfo.h
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pngpriv.h
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pngstruct.h
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png.c
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pngerror.c
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@ -170,6 +183,7 @@ if(PNG_SHARED)
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if(MSVC)
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# msvc does not append 'lib' - do it here to have consistent name
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set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
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set_target_properties(${PNG_LIB_NAME} PROPERTIES IMPORT_PREFIX "lib")
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endif()
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target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
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endif()
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@ -182,6 +196,7 @@ if(PNG_STATIC)
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# msvc does not append 'lib' - do it here to have consistent name
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set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
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endif()
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target_link_libraries(${PNG_LIB_NAME_STATIC} ${ZLIB_LIBRARY} ${M_LIBRARY})
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endif()
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@ -193,9 +208,28 @@ if(PNG_TESTS AND PNG_SHARED)
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# does not work with msvc due to png_lib_ver issue
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add_executable(pngtest ${pngtest_sources})
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target_link_libraries(pngtest ${PNG_LIB_NAME})
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add_test(pngtest pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
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add_test(pngtest ./pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
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endif()
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#
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# Set a variable with CMake code which:
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# Creates a symlink from src to dest (if possible) or alternatively
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# copies if different.
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macro(_png_generate_symlink_code CODE SRC DEST)
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if(WIN32 AND NOT CYGWIN)
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set(_png_gsc_message "Copying ${SRC} to ${DEST} if needed")
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set(_png_gsc_operation "copy_if_different")
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else()
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set(_png_gsc_message "Symlinking ${SRC} to ${DEST}")
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set(_png_gsc_operation "create_symlink")
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endif()
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set(${CODE} "
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message(STATUS \"${_png_gsc_message}\")
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execute_process(COMMAND \${CMAKE_COMMAND} -E ${_png_gsc_operation}
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\"${SRC}\" \"${DEST}\")
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")
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endmacro()
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# CREATE PKGCONFIG FILES
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# we use the same files like ./configure, so we have to set its vars
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@ -206,24 +240,16 @@ set(prefix ${CMAKE_INSTALL_PREFIX})
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set(exec_prefix ${CMAKE_INSTALL_PREFIX})
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set(libdir ${CMAKE_INSTALL_LIBDIR})
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set(includedir ${CMAKE_INSTALL_PREFIX}/include)
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set(LIBS "-lz -lm")
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
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set(LIBS "-lz -lm")
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
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${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
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install(CODE "
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MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}.pc to libpng.pc\")
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execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
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\"${PNGLIB_NAME}.pc\"
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\"libpng.pc\")
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")
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
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_png_generate_symlink_code(PNG_PC_INSTALL_CODE ${PNGLIB_NAME}.pc libpng.pc)
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install(CODE ${PNG_PC_INSTALL_CODE})
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
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${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
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install(CODE "
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MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}-config to libpng-config\")
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execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
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\"${PNGLIB_NAME}-config\"
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\"libpng-config\")
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")
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_png_generate_symlink_code(PNG_CONFIG_INSTALL_CODE ${PNGLIB_NAME}-config libpng-config)
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install(CODE ${PNG_CONFIG_INSTALL_CODE})
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# SET UP LINKS
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if(PNG_SHARED)
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@ -234,46 +260,70 @@ if(PNG_SHARED)
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CLEAN_DIRECT_OUTPUT 1)
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endif()
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if(PNG_STATIC)
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if(NOT WIN32)
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# that's uncool on win32 - it overwrites our static import lib...
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# MSVC doesn't use a different file extension for shared vs. static
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# libs. We are able to change OUTPUT_NAME to remove the _static
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# for all other platforms.
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if(NOT MSVC)
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set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
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OUTPUT_NAME ${PNG_LIB_NAME}
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CLEAN_DIRECT_OUTPUT 1)
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endif()
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endif()
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# If CMake > 2.4.x, we set a variable used below to export
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# targets to an export file.
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# TODO: Use VERSION_GREATER after our cmake_minimum_required >= 2.6.2
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if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 4)
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set(PNG_EXPORT_RULE EXPORT libpng)
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elseif(CMAKE_MAJOR_VERSION GREATER 2) # future proof
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set(PNG_EXPORT_RULE EXPORT libpng)
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endif()
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# INSTALL
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if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
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if(PNG_SHARED)
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install(TARGETS ${PNG_LIB_NAME}
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
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install(CODE "
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MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX} to libpng${CMAKE_SHARED_LIBRARY_SUFFIX}\")
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execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
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\"${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}\"
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\"libpng${CMAKE_SHARED_LIBRARY_SUFFIX}\")
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")
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
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${PNG_EXPORT_RULE}
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
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# Create a symlink for libpng.dll.a => libpng14.dll.a on Cygwin
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if(CYGWIN)
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_png_generate_symlink_code(PNG_SHARED_IMPLIB_INSTALL_CODE
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${PNGLIB_NAME}${CMAKE_IMPORT_LIBRARY_SUFFIX}
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libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
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install(CODE ${PNG_SHARED_IMPLIB_INSTALL_CODE})
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
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endif()
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if(NOT WIN32)
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_png_generate_symlink_code(PNG_SHARED_INSTALL_CODE
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${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
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libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
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install(CODE ${PNG_SHARED_INSTALL_CODE})
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
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endif()
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endif()
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if(PNG_STATIC)
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install(TARGETS ${PNG_LIB_NAME_STATIC}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
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install(CODE "
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MESSAGE(STATUS \"Symlinking ${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX} to libpng${CMAKE_STATIC_LIBRARY_SUFFIX}\")
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execute_process(COMMAND \${CMAKE_COMMAND} -E create_symlink
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\"${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}\"
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\"libpng${CMAKE_STATIC_LIBRARY_SUFFIX}\")
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")
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
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${PNG_EXPORT_RULE}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
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if(NOT WIN32 OR CYGWIN)
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_png_generate_symlink_code(PNG_STATIC_INSTALL_CODE
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${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
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libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
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install(CODE ${PNG_STATIC_INSTALL_CODE})
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
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endif()
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endif()
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endif()
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if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
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install(FILES png.h pngconf.h DESTINATION include)
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install(FILES png.h pngconf.h DESTINATION include/${PNGLIB_NAME})
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install(FILES ${libpng_public_hdrs} DESTINATION include)
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install(FILES ${libpng_public_hdrs} DESTINATION include/${PNGLIB_NAME})
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endif()
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if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
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install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
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@ -282,19 +332,28 @@ if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
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endif()
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if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
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# Install man pages
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install(FILES libpng.3 libpngpf.3 DESTINATION share/man/man3)
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install(FILES png.5 DESTINATION share/man/man5)
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if(NOT PNG_MAN_DIR)
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set(PNG_MAN_DIR "share/man")
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endif()
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install(FILES libpng.3 libpngpf.3 DESTINATION ${PNG_MAN_DIR}/man3)
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install(FILES png.5 DESTINATION ${PNG_MAN_DIR}/man5)
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# Install pkg-config files
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
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DESTINATION bin)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
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install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
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DESTINATION bin)
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endif()
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# On versions of CMake that support it, create an export file CMake
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# users can include() to import our targets
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if(PNG_EXPORT_RULE AND NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL )
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install(EXPORT libpng DESTINATION lib/libpng FILE lib${PNG_LIB_NAME}.cmake)
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endif()
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# what's with libpng.txt and all the extra files?
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