| cmake_minimum_required(VERSION 2.4.3) |
| 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(PNG C) |
| enable_testing() |
| |
| # Copyright (C) 2007 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 |
| |
| set(PNGLIB_MAJOR 1) |
| set(PNGLIB_MINOR 4) |
| set(PNGLIB_RELEASE 0) |
| set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR}) |
| set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE}) |
| |
| set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true) |
| |
| # needed packages |
| find_package(ZLIB REQUIRED) |
| include_directories(${ZLIB_INCLUDE_DIR}) |
| |
| if(NOT WIN32) |
| find_library(M_LIBRARY |
| NAMES m |
| PATHS /usr/lib /usr/local/lib |
| ) |
| if(NOT M_LIBRARY) |
| message(STATUS |
| "math library 'libm' not found - floating point support disabled") |
| endif() |
| else() |
| # not needed on windows |
| set(M_LIBRARY "") |
| endif() |
| |
| # COMMAND LINE OPTIONS |
| if(DEFINED PNG_SHARED) |
| option(PNG_SHARED "Build shared lib" ${PNG_SHARED}) |
| else() |
| option(PNG_SHARED "Build shared lib" ON) |
| endif() |
| if(DEFINED PNG_STATIC) |
| option(PNG_STATIC "Build static lib" ${PNG_STATIC}) |
| else() |
| option(PNG_STATIC "Build static lib" ON) |
| endif() |
| |
| if(MINGW) |
| option(PNG_TESTS "Build pngtest" NO) |
| else(MINGW) |
| option(PNG_TESTS "Build pngtest" YES) |
| endif(MINGW) |
| |
| option(PNG_NO_CONSOLE_IO "FIXME" YES) |
| option(PNG_NO_STDIO "FIXME" YES) |
| option(PNG_DEBUG "Build with debug output" NO) |
| option(PNGARG "FIXME" YES) |
| #TODO: |
| # PNG_CONSOLE_IO_SUPPORTED |
| |
| # maybe needs improving, but currently I don't know when we can enable what :) |
| set(png_asm_tmp "OFF") |
| if(NOT WIN32) |
| find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin) |
| if(uname_executable) |
| EXEC_PROGRAM(${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{${TEXT}}" STREQUAL "") |
| endif() |
| |
| # SET LIBNAME |
| set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR}) |
| |
| # to distinguish between debug and release lib |
| set(CMAKE_DEBUG_POSTFIX "d") |
| |
| |
| # OUR SOURCES |
| set(libpng_sources |
| png.h |
| pngconf.h |
| pngpriv.h |
| png.c |
| pngerror.c |
| pngget.c |
| pngmem.c |
| pngpread.c |
| pngread.c |
| pngrio.c |
| pngrtran.c |
| pngrutil.c |
| pngset.c |
| pngtrans.c |
| pngwio.c |
| pngwrite.c |
| pngwtran.c |
| pngwutil.c |
| ) |
| set(pngtest_sources |
| pngtest.c |
| ) |
| # SOME NEEDED DEFINITIONS |
| |
| add_definitions(-DPNG_CONFIGURE_LIBPNG) |
| |
| if(MSVC) |
| add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE) |
| endif(MSVC) |
| |
| if(PNG_SHARED OR NOT MSVC) |
| #if building msvc static this has NOT to be defined |
| add_definitions(-DZLIB_DLL) |
| endif() |
| |
| if(PNG_CONSOLE_IO_SUPPORTED) |
| add_definitions(-DPNG_CONSOLE_IO_SUPPORTED) |
| endif() |
| |
| if(PNG_NO_CONSOLE_IO) |
| add_definitions(-DPNG_NO_CONSOLE_IO) |
| endif() |
| |
| if(PNG_NO_STDIO) |
| add_definitions(-DPNG_NO_STDIO) |
| endif() |
| |
| if(PNG_DEBUG) |
| add_definitions(-DPNG_DEBUG) |
| endif() |
| |
| if(NOT M_LIBRARY AND NOT WIN32) |
| add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED) |
| endif() |
| |
| # NOW BUILD OUR TARGET |
| include_directories(${PNG_SOURCE_DIR} ${ZLIB_INCLUDE_DIR}) |
| |
| if(PNG_SHARED) |
| add_library(${PNG_LIB_NAME} SHARED ${libpng_sources}) |
| if(MSVC) |
| # msvc does not append 'lib' - do it here to have consistent name |
| set_target_properties(${PNG_LIB_NAME} PROPERTIES PREFIX "lib") |
| endif() |
| target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY}) |
| endif() |
| |
| if(PNG_STATIC) |
| # does not work without changing name |
| set(PNG_LIB_NAME_STATIC ${PNG_LIB_NAME}_static) |
| add_library(${PNG_LIB_NAME_STATIC} STATIC ${libpng_sources}) |
| if(MSVC) |
| # msvc does not append 'lib' - do it here to have consistent name |
| set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES PREFIX "lib") |
| endif() |
| endif() |
| |
| |
| if(PNG_SHARED AND WIN32) |
| set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL) |
| endif() |
| |
| if(PNG_TESTS AND PNG_SHARED) |
| # 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 ${PNG_SOURCE_DIR}/pngtest.png) |
| endif() |
| |
| |
| # 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 ${CMAKE_INSTALL_PREFIX}/include) |
| |
| configure_file(${PNG_SOURCE_DIR}/libpng.pc.in |
| ${PNG_BINARY_DIR}/libpng.pc) |
| configure_file(${PNG_SOURCE_DIR}/libpng-config.in |
| ${PNG_BINARY_DIR}/libpng-config) |
| configure_file(${PNG_SOURCE_DIR}/libpng.pc.in |
| ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc) |
| configure_file(${PNG_SOURCE_DIR}/libpng-config.in |
| ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config) |
| |
| # SET UP LINKS |
| if(PNG_SHARED) |
| set_target_properties(${PNG_LIB_NAME} PROPERTIES |
| # VERSION 14.${PNGLIB_RELEASE}.1.4.0rc03 |
| VERSION 14.${PNGLIB_RELEASE}.0 |
| SOVERSION 14 |
| CLEAN_DIRECT_OUTPUT 1) |
| endif() |
| if(PNG_STATIC) |
| if(NOT WIN32) |
| # that's uncool on win32 - it overwrites our static import lib... |
| set_target_properties(${PNG_LIB_NAME_STATIC} PROPERTIES |
| OUTPUT_NAME ${PNG_LIB_NAME} |
| CLEAN_DIRECT_OUTPUT 1) |
| endif() |
| endif() |
| |
| # INSTALL |
| if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) |
| if(PNG_SHARED) |
| install(TARGETS ${PNG_LIB_NAME} |
| RUNTIME DESTINATION bin |
| LIBRARY DESTINATION lib |
| ARCHIVE DESTINATION lib) |
| endif() |
| if(PNG_STATIC) |
| install(TARGETS ${PNG_LIB_NAME_STATIC} |
| LIBRARY DESTINATION lib |
| ARCHIVE DESTINATION lib) |
| endif() |
| endif() |
| |
| if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) |
| install(FILES png.h pngconf.h pngpriv.h DESTINATION include) |
| install(FILES png.h pngconf.h pngpriv.h DESTINATION include/${PNGLIB_NAME}) |
| endif() |
| if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL ) |
| install(PROGRAMS ${PNG_BINARY_DIR}/libpng-config DESTINATION bin) |
| install(PROGRAMS ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin) |
| endif() |
| if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) |
| install(FILES libpng.3 libpngpf.3 DESTINATION man/man3) |
| install(FILES png.5 DESTINATION man/man5) |
| install(FILES ${PNG_BINARY_DIR}/libpng.pc DESTINATION lib/pkgconfig) |
| install(FILES ${PNG_BINARY_DIR}/libpng-config DESTINATION bin) |
| install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}.pc DESTINATION lib/pkgconfig) |
| install(FILES ${PNG_BINARY_DIR}/${PNGLIB_NAME}-config DESTINATION bin) |
| endif() |
| |
| # what's with libpng.txt and all the extra files? |
| |
| |
| # UNINSTALL |
| # do we need this? |
| |
| |
| # DIST |
| # do we need this? |
| |
| # to create msvc import lib for mingw compiled shared lib |
| # pexports libpng.dll > libpng.def |
| # lib /def:libpng.def /machine:x86 |
| |