在vcpkg中添加patch的方法
参考：https://learn.microsoft.com/en-us/vcpkg/examples/patching
1. 以editable模式安装要patch的库
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| vcpkg install libpng:x64-uwp --editable
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2. 在buildtrees目录中找到要patch的库，并用git记录当前状态
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| cd ~/vcpkg/buildtrees/libpng/src/v1.6.37-c993153cdf
git init .
git add .
git commit -m "temp"
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3. 修改源码
4. 生成patch
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| git diff --ignore-space-at-eol | out-file -enc ascii ../../../../ports/libpng/use-abort-on-all-platforms.patch
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...
vcpkg_extract_source_archive_ex(
OUT_SOURCE_PATH SOURCE_PATH
ARCHIVE ${ARCHIVE}
PATCHES
"use-abort-on-all-platforms.patch"
)
vcpkg_cmake_configure(
...
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5. 重新安装并验证
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| vcpkg remove libpng:x64-uwp
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| vcpkg install libpng:x64-uwp
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6. 更新vcpkg.json中的port-version
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{
"name": "libpng",
"version": "1.6.37",
"port-version": 1,
"dependencies": [
"zlib"
]
}
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