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adding CMakeLists.txt #36

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adding CMakeLists.txt #36

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61 changes: 61 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,61 @@
cmake_minimum_required(VERSION 3.3.2)

project(LodePNG)

include(GenerateExportHeader)
find_package(SDL)
include_directories(${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR})
file(GLOB_RECURSE SOURCES *.cpp)

set(LIBRARIES lodepng lodepng_util)
foreach(LIBRARY ${LIBRARIES})
add_library(${LIBRARY} ${LIBRARY}.cpp)
if (NOT LIBRARY STREQUAL "lodepng")
target_link_libraries(${LIBRARY} lodepng)
else ()
generate_export_header(${LIBRARY})
endif ()
install(TARGETS ${LIBRARY}
RUNTIME DESTINATION bin
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib)
endforeach()

string(LENGTH ${CMAKE_SOURCE_DIR} LENGTH_CMAKE_SOURCE_DIR)
set(SDL_DEPENDENT example_opengl example_sdl lodepng_benchmark)
set(UTIL_DEPENDENT lodepng_unittest pngdetail)
enable_testing()

foreach(SOURCE ${SOURCES})
string(SUBSTRING ${SOURCE} ${LENGTH_CMAKE_SOURCE_DIR} -1 EXECUTABLE_NAME)
string(REPLACE ".cpp" "" EXECUTABLE_NAME ${EXECUTABLE_NAME})
string(REPLACE "/examples/" "" EXECUTABLE_NAME ${EXECUTABLE_NAME})
string(REPLACE "/" "" EXECUTABLE_NAME ${EXECUTABLE_NAME})

if (NOT ${EXECUTABLE_NAME} IN_LIST LIBRARIES)
set(LINK_LIBRARIES lodepng)
if (EXECUTABLE_NAME IN_LIST UTIL_DEPENDENT)
list(APPEND LINK_LIBRARIES lodepng_util)
endif()
if (EXECUTABLE_NAME IN_LIST SDL_DEPENDENT)
if (NOT SDL_FOUND)
continue()
endif()
list(APPEND LINK_LIBRARIES ${SDL_LIBRARY})
list(APPEND INCLUDE_DIRS ${SDL_INCLUDE_DIR})
endif()

add_executable(${EXECUTABLE_NAME} ${SOURCE})
if (INCLUDE_DIRS)
target_include_directories(${EXECUTABLE_NAME} PUBLIC ${INCLUDE_DIRS})
endif()
target_link_libraries(${EXECUTABLE_NAME} ${LINK_LIBRARIES})
add_test(NAME ${EXECUTABLE_NAME} COMMAND $<TARGET_FILE:${EXECUTABLE_NAME}>)
install(TARGETS ${EXECUTABLE_NAME} RUNTIME DESTINATION bin)
endif()
endforeach()

install(FILES ${CMAKE_BINARY_DIR}/lodepng_export.h lodepng.h lodepng_util.h DESTINATION include)

include(InstallRequiredSystemLibraries)
include(CPack)
5 changes: 3 additions & 2 deletions lodepng.h
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@ source files with custom allocators.*/
#ifdef LODEPNG_COMPILE_CPP
#include <vector>
#include <string>
#include <lodepng_export.h>
#endif /*LODEPNG_COMPILE_CPP*/

#ifdef LODEPNG_COMPILE_PNG
Expand Down Expand Up @@ -271,7 +272,7 @@ struct LodePNGDecompressSettings
const void* custom_context; /*optional custom settings for custom functions*/
};

extern const LodePNGDecompressSettings lodepng_default_decompress_settings;
extern LODEPNG_EXPORT const LodePNGDecompressSettings lodepng_default_decompress_settings;
void lodepng_decompress_settings_init(LodePNGDecompressSettings* settings);
#endif /*LODEPNG_COMPILE_DECODER*/

Expand Down Expand Up @@ -305,7 +306,7 @@ struct LodePNGCompressSettings /*deflate = compress*/
const void* custom_context; /*optional custom settings for custom functions*/
};

extern const LodePNGCompressSettings lodepng_default_compress_settings;
extern LODEPNG_EXPORT const LodePNGCompressSettings lodepng_default_compress_settings;
void lodepng_compress_settings_init(LodePNGCompressSettings* settings);
#endif /*LODEPNG_COMPILE_ENCODER*/

Expand Down