Hello,would it be possible to improve the compatibility between the CMake config file included in liblzma and the FindLibLZMA.cmake module included in CMake?
The CMake config file currently only defines a liblzma::liblzma target, while the CMake module defines a LibLZMA::LibLZMA target. On systems with case-insensitive file systems, using CMAKE_FIND_PACKAGE_PREFER_CONFIG (see [1]) to prefer config files over modules results in an error because of this. A find_package(LibLZMA) call now also uses the config file, which however does not define the expected LibLZMA::LibLZMA target.
This could be solved by adding an alias to the config file: add_library(LibLZMA::LibLZMA ALIAS liblzma::liblzma)An additional improvement would be to enable this on case-sensitive file systems as well. For this, the config file would need to be renamed from liblzmaConfig.cmake to liblzma-config.cmake (and the version file to liblzma-config-version.cmake), see [2]. This would support using both find_package(LibLZMA) and find_package(liblzma), while still preferring the CMake module by default in the first case.
Best regards, Markus Rickert[1] https://cmake.org/cmake/help/v3.19/variable/CMAKE_FIND_PACKAGE_PREFER_CONFIG.html [2] https://cmake.org/cmake/help/v3.19/command/find_package.html#full-signature-and-config-mode
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