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Fix finding patch executable when cross-compiling on windows. (#627)
`WIN32` checks whether current build context is windows. This is not correct in case of cross-compiling, because we are interested in finding host's tools, not SDK's tools.
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@@ -490,7 +490,7 @@ function(cpm_add_patches)
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# Find the patch program.
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find_program(PATCH_EXECUTABLE patch)
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if(WIN32 AND NOT PATCH_EXECUTABLE)
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if(CMAKE_HOST_WIN32 AND NOT PATCH_EXECUTABLE)
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# The Windows git executable is distributed with patch.exe. Find the path to the executable, if
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# it exists, then search `../usr/bin` and `../../usr/bin` for patch.exe.
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find_package(Git QUIET)
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