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CMakeLists: Enable pkg-config on Windows #533

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@jonaski jonaski commented Jan 26, 2024

In libpng, it's hard-coded to exclude pkg-config on Windows unless it's MinGW or Cygwin. I use pkg-config with Visual Studio 2022 and I have to patch this out for CMake to install the pc file. I'm not sure what the original intention was here, installing the .pc file does no harm even if you do not use pkg-config, but if someone really needs to disable it, it should be a CMake option, not hard-coded like this. create_symlink() also works on Windows. Out of over 50 libraries I build on Windows, libpng is the only one that have this behavior.

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jonaski commented Jan 26, 2024

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kmilos commented Jan 29, 2024

create_symlink() also works on Windows

There were some issues w/ it before: strukturag/libheif#996 (comment)

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LGTM

I saw the create_symlink() custom function handles Windows specially.

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jonaski and others added 2 commits June 9, 2024 00:20
In libpng, it's hard-coded to exclude pkg-config on Windows unless it's MinGW or Cygwin.
I use pkg-config with Visual Studio 2022 and I have to patch this out for CMake to install the pc file.
I'm not sure what the original intention was here, installing the .pc file does no harm even if you do not use pkg-config, but if someone really needs to disable it, it should be a CMake option, not hard-coded like this. create_symlink() also works on Windows. Out of over 50 libraries I build on Windows, libpng is the only one that have this behavior.

Co-Authored-By: Miloš Komarčević <4973094+kmilos@users.noreply.github.com>
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