[testing] Validate PKG_CONFIG_PATH cases on Windows #18388
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Signed-off-by: Uilian Ries <uilianries@gmail.com>
Signed-off-by: Uilian Ries <uilianries@gmail.com>
Signed-off-by: Uilian Ries <uilianries@gmail.com>
Signed-off-by: Uilian Ries <uilianries@gmail.com>
Signed-off-by: Uilian Ries <uilianries@gmail.com>
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Related to conan-io/conan-center-index#2743, conan-io/setup-conan#4 and #16963 (comment)
When consuming the Conan GH action setup-conan, and trying to build ffmpeg from source, it will require the tool package msys2 as well, and a separated package for pkg-config tool.
The setup-conan uses setup-python to install Conan client, which injects PKG_CONFIG_PATH using Windows path style. At same time, Conan client, when running pkg-config, prepends the generator folder path using unix path, the supported one. The result is a mixed path style in the PKG_CONFIG_PATH which is not supported by pkg-config: https://www.msys2.org/docs/pkgconfig/#syntax-paths-escaping
The environment variable looks like:
This PR tries to reproduce the known case in Conan client tests.
developbranch, documenting this one.