54 lines
1.3 KiB
CMake
54 lines
1.3 KiB
CMake
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# Copyright 2022 Google LLC. All rights reserved.
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#
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file or at
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# https://developers.google.com/open-source/licenses/bsd
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# CMake build file to host libpng configuration.
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# Turn these features on.
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set(PNG_STATIC ON)
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# Turn these features off.
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set(PNG_HARDWARE_OPTIMIZATIONS OFF)
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set(PNG_SHARED OFF)
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set(PNG_TESTS OFF)
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set(PNG_FRAMEWORK OFF)
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set(PNG_DEBUG OFF)
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# Don't install anything.
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set(SKIP_INSTALL_ALL ON)
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# A confusing name, but this means "let us tell you where to find zlib".
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set(PNG_BUILD_ZLIB ON)
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# Tell libpng where to find zlib headers.
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set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../zlib/source/")
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# Tell libpng where to find zlib library to link to.
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set(ZLIB_LIBRARY zlibstatic)
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# Silence these warnings:
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if(MSVC)
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add_compile_options(
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/wd4244
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)
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else()
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add_compile_options(
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-Wno-maybe-uninitialized
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-Wno-unused-but-set-variable
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-Wno-unused-parameter
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-Wno-sign-compare
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-Wno-null-pointer-subtraction
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)
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endif()
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# With these set in scope of this folder, load the library's own CMakeLists.txt.
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add_subdirectory(source)
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# Add missing include directories for users of png_static:
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target_include_directories(png_static PUBLIC
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# For png.h, pngconf.h:
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source
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# For pnglibconf.h:
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${CMAKE_CURRENT_BINARY_DIR}/source)
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