f25a88a13d
Requires updates of expat and tiff submodules. Most libraries have their own CMakeLists, add a comment with a suggestion to use this for implementing build-in support.
59 lines
2.2 KiB
CMake
59 lines
2.2 KiB
CMake
#############################################################################
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# Name: build/cmake/lib/png.cmake
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# Purpose: Use external or internal libpng
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# Author: Tobias Taschner
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# Created: 2016-09-21
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# Copyright: (c) 2016 wxWidgets development team
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# Licence: wxWindows licence
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#############################################################################
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if(wxUSE_LIBPNG STREQUAL "builtin")
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# TODO: implement building libpng via its CMake file, using
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# add_subdirectory or ExternalProject_Add
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if(NOT MSVC)
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set(PNG_EXTRA_SOURCES
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src/png/mips/filter_msa_intrinsics.c
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src/png/mips/mips_init.c
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src/png/powerpc/filter_vsx_intrinsics.c
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src/png/powerpc/powerpc_init.c
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)
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endif()
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wx_add_builtin_library(wxpng
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src/png/png.c
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src/png/pngerror.c
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src/png/pngget.c
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src/png/pngmem.c
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src/png/pngpread.c
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src/png/pngread.c
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src/png/pngrio.c
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src/png/pngrtran.c
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src/png/pngrutil.c
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src/png/pngset.c
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src/png/pngtrans.c
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src/png/pngwio.c
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src/png/pngwrite.c
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src/png/pngwtran.c
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src/png/pngwutil.c
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src/png/arm/arm_init.c
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src/png/arm/filter_neon_intrinsics.c
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src/png/arm/palette_neon_intrinsics.c
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src/png/intel/intel_init.c
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src/png/intel/filter_sse2_intrinsics.c
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${PNG_EXTRA_SOURCES}
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)
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if(WIN32)
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# define this to get rid of a warning about using POSIX lfind():
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# confusingly enough, we do define lfind as _lfind for MSVC but
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# doing this results in a just more confusing warning, see:
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# http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=101278
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target_compile_definitions(wxpng PRIVATE _CRT_NONSTDC_NO_WARNINGS)
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endif()
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target_compile_definitions(wxpng PRIVATE PNG_INTEL_SSE)
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target_include_directories(wxpng PRIVATE ${ZLIB_INCLUDE_DIRS})
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target_link_libraries(wxpng PRIVATE ${ZLIB_LIBRARIES})
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set(PNG_LIBRARIES wxpng)
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set(PNG_INCLUDE_DIRS ${wxSOURCE_DIR}/src/png)
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elseif(wxUSE_LIBPNG)
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find_package(PNG REQUIRED)
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endif()
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