libpng/scripts/CMakeLists.txt
2009-04-06 16:12:13 -05:00

148 lines
3.2 KiB
CMake

project(libpng)
SET(PNG_VER_MAJOR 1)
SET(PNG_VER_MINOR 2)
SET(PNG_VER_PATCH 15)
# needed packages
find_package(ZLIB REQUIRED)
# command line options
option(PNG_SHARED "Build shared lib" YES)
option(PNG_TESTS "Build pngtest" YES)
#TODO:
# PNG_NO_CONSOLE_IO
# PNG_NO_STDIO
# PNG_CONSOLE_IO_SUPPORTED
# PNGARG
# some others :)
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)
endif(NOT WIN32)
option(PNG_MMX "Use MMX assembler code (x86 only)" ${png_asm_tmp})
# msvc does not append 'lib' - do it here to have consistent name
if(MSVC)
set(PNG_LIB_NAME lib)
endif(MSVC)
#set(PNG_LIB_NAME ${PNG_LIB_NAME}png-${PNG_VER_MAJOR}.${PNG_VER_MINOR})
set(PNG_LIB_NAME ${PNG_LIB_NAME}png)
# to distinguish between debug and release lib
set(CMAKE_DEBUG_POSTFIX "d")
# append _static to static lib
if(NOT PNG_SHARED)
set(PNG_LIB_NAME ${PNG_LIB_NAME}_static)
endif(NOT PNG_SHARED)
# our sources
set(libpng_sources
png.h
pngconf.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(-DZLIB_DLL)
if(MSVC)
add_definitions(-DPNG_USE_PNGVCRD -DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
set(libpng_sources ${libpng_sources}
pngvcrd.c
)
else(MSVC)
add_definitions(-DPNG_USE_PNGGCCRD -DPNG_USE_GLOBAL_ARRAYS)
set(libpng_sources ${libpng_sources}
pnggccrd.c
)
endif(MSVC)
if(NOT PNG_MMX)
add_definitions(-DPNG_NO_MMX_CODE)
endif(NOT PNG_MMX)
if(NOT WIN32)
find_library(M_LIBRARY
NAMES m
PATHS /usr/lib /usr/local/lib
)
endif(NOT WIN32)
# now build our target
include_directories(${CMAKE_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
if(PNG_SHARED)
add_library(${PNG_LIB_NAME} SHARED ${libpng_sources})
else(PNG_SHARED)
add_library(STATIC ${libpng_sources})
endif(PNG_SHARED)
target_link_libraries(${PNG_LIB_NAME} ${ZLIB_LIBRARY} ${M_LIBRARY})
if(PNG_SHARED AND WIN32)
set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
endif(PNG_SHARED AND WIN32)
if(PNG_TESTS)
# 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 ${CMAKE_SOURCE_DIR}/pngtest.png)
endif(PNG_TESTS)
# install
install_targets(/bin ${PNG_LIB_NAME})
install(FILES libpng.so libpng.a DESTINATION lib)
install(FILES png.h pngconf.h DESTINATION include)
install(FILES libpng.3 libpngpf.3 DESTINATION man/man3)
# 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