-cmake_minimum_required(VERSION 2.4.3)
-set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
+# CMakeLists.txt
-if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
- 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.")
-endif()
-
-project(libpng C)
-enable_testing()
-
-# Copyright (C) 2007-2010 Glenn Randers-Pehrson
+# Copyright (C) 2007-2014 Glenn Randers-Pehrson
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h
+cmake_minimum_required(VERSION 2.4.4)
+set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
+
+set(CMAKE_CONFIGURATION_TYPES "Release;Debug;MinSizeRel;RelWithDebInfo")
+
+project(libpng C)
+enable_testing()
+
set(PNGLIB_MAJOR 1)
-set(PNGLIB_MINOR 2)
-set(PNGLIB_RELEASE 50)
+set(PNGLIB_MINOR 6)
+set(PNGLIB_RELEASE 13)
set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
option(PNG_STATIC "Build static lib" ON)
endif()
-if(MINGW)
- option(PNG_TESTS "Build pngtest" NO)
-else()
- option(PNG_TESTS "Build pngtest" YES)
-endif()
+option(PNG_TESTS "Build libpng tests" YES)
-option(PNG_NO_CONSOLE_IO "FIXME" YES)
-option(PNG_NO_STDIO "FIXME" YES)
+# Many more configuration options could be added here
option(PNG_DEBUG "Build with debug output" NO)
-option(PNGARG "FIXME" YES)
-#TODO:
-# PNG_CONSOLE_IO_SUPPORTED
-
-# maybe needs improving, but currently I don't know when we can enable what :)
-set(png_asm_tmp "OFF")
-if(NOT WIN32)
- find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
- if(uname_executable)
- exec_program(${uname_executable}
- ARGS --machine OUTPUT_VARIABLE uname_output)
- if("uname_output" MATCHES "^.*i[1-9]86.*$")
- set(png_asm_tmp "ON")
- else("uname_output" MATCHES "^.*i[1-9]86.*$")
- set(png_asm_tmp "OFF")
- endif("uname_output" MATCHES "^.*i[1-9]86.*$")
- endif(uname_executable)
-else()
- # this env var is normally only set on win64
- set(TEXT "ProgramFiles(x86)")
- if("$ENV{${TEXT}}" STREQUAL "")
- set(png_asm_tmp "ON")
- endif("$ENV{${TEXT}}" STREQUAL "")
-endif()
+option(PNGARG "Disable ANSI-C prototypes" NO)
# SET LIBNAME
set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
# to distinguish between debug and release lib
set(CMAKE_DEBUG_POSTFIX "d")
+# Use the prebuilt pnglibconf.h file from the scripts folder
+# TODO: fix this by building with awk; without this no cmake build can be
+# configured directly (to do so indirectly use your local awk to build a
+# pnglibconf.h in the build directory.)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt
+ ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
# OUR SOURCES
-set(libpng_sources
+set(libpng_public_hdrs
png.h
pngconf.h
+ ${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h
+)
+set(libpng_sources
+ ${libpng_public_hdrs}
+ pngdebug.h
+ pnginfo.h
+ pngpriv.h
+ pngstruct.h
png.c
pngerror.c
pngget.c
set(pngtest_sources
pngtest.c
)
+set(pngvalid_sources
+ contrib/libtests/pngvalid.c
+)
+set(pngstest_sources
+ contrib/libtests/pngstest.c
+)
# SOME NEEDED DEFINITIONS
-add_definitions(-DPNG_CONFIGURE_LIBPNG)
-
-if(_AIX)
- add_definitions(-D_ALL_SOURCE)
-endif(_AIX)
-
if(MSVC)
- add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
+ add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
endif(MSVC)
-if(PNG_SHARED OR NOT MSVC)
- #if building msvc static this has NOT to be defined
- add_definitions(-DZLIB_DLL)
-endif()
-
-add_definitions(-DLIBPNG_NO_MMX)
-add_definitions(-DPNG_NO_MMX_CODE)
-
-
-if(PNG_CONSOLE_IO_SUPPORTED)
- add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
-endif()
-
-if(PNG_NO_CONSOLE_IO)
- add_definitions(-DPNG_NO_CONSOLE_IO)
-endif()
-
-if(PNG_NO_STDIO)
- add_definitions(-DPNG_NO_STDIO)
-endif()
-
if(PNG_DEBUG)
add_definitions(-DPNG_DEBUG)
endif()
-if(NOT M_LIBRARY AND NOT WIN32)
- add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
-endif()
-
# NOW BUILD OUR TARGET
include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
+unset(PNG_LIB_TARGETS)
+
if(PNG_SHARED)
add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
+ set(PNG_LIB_TARGETS ${PNG_LIB_NAME})
if(MSVC)
# msvc does not append 'lib' - do it here to have consistent name
set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib")
+ set_target_properties(${PNG_LIB_NAME} PROPERTIES IMPORT_PREFIX "lib")
endif()
target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif()
# does not work without changing name
set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static)
add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources})
+ list(APPEND PNG_LIB_TARGETS ${PNG_LIB_NAME_STATIC})
if(MSVC)
# msvc does not append 'lib' - do it here to have consistent name
set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib")
endif()
+ target_link_libraries(${PNG_LIB_NAME_STATIC} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif()
+if(NOT PNG_LIB_TARGETS)
+ message(SEND_ERROR
+ "No library variant selected to build. "
+ "Please enable at least one of the following options: PNG_STATIC, PNG_SHARED")
+endif()
if(PNG_SHARED AND WIN32)
set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
# does not work with msvc due to png_lib_ver issue
add_executable(pngtest ${pngtest_sources})
target_link_libraries(pngtest ${PNG_LIB_NAME})
- add_test(pngtest pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
+ add_test(pngtest ./pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
+ #
+ add_executable(pngvalid ${pngvalid_sources})
+ target_link_libraries(pngvalid ${PNG_LIB_NAME})
+ add_test(pngvalid ./pngvalid)
+ add_executable(pngstest ${pngstest_sources})
+ target_link_libraries(pngstest ${PNG_LIB_NAME})
+ add_test(pngstest ./pngstest
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g01.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g02.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g04.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn0g16.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn2c08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn2c16.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p01.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p02.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p04.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn3p08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn4a08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn4a16.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn6a08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/basn6a16.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g01.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g02.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn0g04.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn2c16.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbbn3p08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbgn2c16.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbgn3p08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbrn2c08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbwn0g16.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbwn3p08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftbyn3p08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n0g08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n2c08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp0n3p08.png
+ ${CMAKE_CURRENT_SOURCE_DIR}/contrib/pngsuite/ftp1n3p08.png
+ )
endif()
+# Ensure the CMAKE_LIBRARY_OUTPUT_DIRECTORY is set
+IF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
+ SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
+ENDIF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
+
+# Set a variable with CMake code which:
+# Creates a symlink from src to dest (if possible) or alternatively
+# copies if different.
+macro(CREATE_SYMLINK SRC_FILE DEST_FILE)
+ FILE(REMOVE ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
+ if(WIN32 AND NOT CYGWIN AND NOT MSYS)
+ ADD_CUSTOM_COMMAND(
+ OUTPUT ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
+ COMMAND ${CMAKE_COMMAND} -E copy_if_different "${SRC_FILE}" ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}
+ COMMAND ${CMAKE_COMMAND} -E copy_if_different "${SRC_FILE}" ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
+ DEPENDS ${PNG_LIB_TARGETS}
+ )
+ ADD_CUSTOM_TARGET(${DEST_FILE}_COPY ALL DEPENDS ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
+ else(WIN32 AND NOT CYGWIN AND NOT MSYS)
+ get_filename_component(LINK_TARGET "${SRC_FILE}" NAME)
+ execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
+ execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${LINK_TARGET}" ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+ execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink "${LINK_TARGET}" ${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+ endif(WIN32 AND NOT CYGWIN AND NOT MSYS)
+endmacro()
+
+# libpng is a library so default to 'lib'
+if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
+ set(CMAKE_INSTALL_LIBDIR lib)
+endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
# CREATE PKGCONFIG FILES
# we use the same files like ./configure, so we have to set its vars
-set(prefix ${CMAKE_INSTALL_PREFIX})
-set(exec_prefix ${CMAKE_INSTALL_PREFIX})
-set(libdir ${CMAKE_INSTALL_PREFIX}/lib)
-set(includedir ${CMAKE_INSTALL_PREFIX}/include)
-
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng.pc.in
- ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng-config.in
- ${CMAKE_CURRENT_BINARY_DIR}/libpng-config)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng.pc.in
- ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc)
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng-config.in
- ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config)
+# Only do this on Windows for Cygwin - the files don't make much sense outside
+# a UNIX look alike
+if(NOT WIN32 OR CYGWIN OR MINGW)
+ set(prefix ${CMAKE_INSTALL_PREFIX})
+ set(exec_prefix ${CMAKE_INSTALL_PREFIX})
+ set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
+ set(includedir ${CMAKE_INSTALL_PREFIX}/include)
+ set(LIBS "-lz -lm")
+ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
+ ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
+ CREATE_SYMLINK(${PNGLIB_NAME}.pc libpng.pc)
+
+ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
+ ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
+ CREATE_SYMLINK(${PNGLIB_NAME}-config libpng-config)
+endif(NOT WIN32 OR CYGWIN OR MINGW)
# SET UP LINKS
if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES
-# VERSION 0.${PNGLIB_RELEASE}.1.2.50
- VERSION 0.${PNGLIB_RELEASE}.0
- SOVERSION 0
+# VERSION 16.${PNGLIB_RELEASE}.1.6.13
+ VERSION 16.${PNGLIB_RELEASE}.0
+ SOVERSION 16
CLEAN_DIRECT_OUTPUT 1)
endif()
if(PNG_STATIC)
- if(NOT WIN32)
- # that's uncool on win32 - it overwrites our static import lib...
+ # MSVC doesn't use a different file extension for shared vs. static
+ # libs. We are able to change OUTPUT_NAME to remove the _static
+ # for all other platforms.
+ if(NOT MSVC)
set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES
OUTPUT_NAME ${PNG_LIB_NAME}
CLEAN_DIRECT_OUTPUT 1)
endif()
endif()
+# If CMake > 2.4.x, we set a variable used below to export
+# targets to an export file.
+# TODO: Use VERSION_GREATER after our cmake_minimum_required >= 2.6.2
+if(CMAKE_MAJOR_VERSION GREATER 1 AND CMAKE_MINOR_VERSION GREATER 4)
+ set(PNG_EXPORT_RULE EXPORT libpng)
+elseif(CMAKE_MAJOR_VERSION GREATER 2) # future proof
+ set(PNG_EXPORT_RULE EXPORT libpng)
+endif()
+
# INSTALL
if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
+ install(TARGETS ${PNG_LIB_TARGETS}
+ ${PNG_EXPORT_RULE}
+ RUNTIME DESTINATION bin
+ LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
if(PNG_SHARED)
- install(TARGETS ${PNG_LIB_NAME}
- RUNTIME DESTINATION bin
- LIBRARY DESTINATION lib
- ARCHIVE DESTINATION lib)
- endif()
+ # Create a symlink for libpng.dll.a => libpng16.dll.a on Cygwin
+ if(CYGWIN OR MINGW)
+ get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
+ CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX}
+ DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif(CYGWIN OR MINGW)
+
+ if(NOT WIN32)
+ get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
+ CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}
+ DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif(NOT WIN32)
+ endif(PNG_SHARED)
+
if(PNG_STATIC)
- install(TARGETS ${PNG_LIB_NAME_STATIC}
- LIBRARY DESTINATION lib
- ARCHIVE DESTINATION lib)
- endif()
+ if(NOT WIN32 OR CYGWIN OR MINGW)
+ get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME_STATIC} LOCATION_${CMAKE_BUILD_TYPE})
+ CREATE_SYMLINK(${BUILD_TARGET_LOCATION} libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}
+ DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif(NOT WIN32 OR CYGWIN OR MINGW)
+ endif()
endif()
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
- install(FILES png.h pngconf.h DESTINATION include)
- install(FILES png.h pngconf.h DESTINATION include/${PNGLIB_NAME})
+ install(FILES ${libpng_public_hdrs} DESTINATION include)
+ install(FILES ${libpng_public_hdrs} DESTINATION include/${PNGLIB_NAME})
endif()
if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
- install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
- install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
- DESTINATION bin)
+ if(NOT WIN32 OR CYGWIN OR MINGW)
+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
+ DESTINATION bin)
+ endif(NOT WIN32 OR CYGWIN OR MINGW)
endif()
+
if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
# Install man pages
- install(FILES libpng.3 libpngpf.3 DESTINATION man/man3)
- install(FILES png.5 DESTINATION man/man5)
+ if(NOT PNG_MAN_DIR)
+ set(PNG_MAN_DIR "share/man")
+ endif()
+ install(FILES libpng.3 libpngpf.3 DESTINATION ${PNG_MAN_DIR}/man3)
+ install(FILES png.5 DESTINATION ${PNG_MAN_DIR}/man5)
# Install pkg-config files
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
- DESTINATION lib/pkgconfig)
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
- DESTINATION bin)
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
- DESTINATION lib/pkgconfig)
- install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
- DESTINATION bin)
+ if(NOT WIN32 OR CYGWIN OR MINGW)
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng.pc
+ DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config
+ DESTINATION bin)
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc
+ DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config
+ DESTINATION bin)
+ endif(NOT WIN32 OR CYGWIN OR MINGW)
endif()
-# what's with libpng.txt and all the extra files?
+# On versions of CMake that support it, create an export file CMake
+# users can include() to import our targets
+if(PNG_EXPORT_RULE AND NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL )
+ install(EXPORT libpng DESTINATION lib/libpng FILE lib${PNG_LIB_NAME}.cmake)
+endif()
+# what's with libpng-manual.txt and all the extra files?
# UNINSTALL
# do we need this?
-
# DIST
# do we need this?
projects / platform / upstream / libpng.git / blobdiff