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Use write_basic_package_version_file() to create the
libffiConfigVersion.cmake file.
This allows detection of the libffi version using cmake.
An example, where this is relevant is e.g. glib 2.62, with the
following code in meson.build:
libffi_dep = dependency('libffi', version : '>= 3.0.0',
fallback : ['libffi', 'ffi_dep'])
When the libffiConfigVersion.cmake file is present, the following output
can be found in the meson-build.log:
Run-time dependency libffi found: YES 3.1
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|---|---|---|
| .. | ||
| auto-define-static-macro.patch | ||
| CMakeLists.txt | ||
| CONTROL | ||
| export-global-data.patch | ||
| fficonfig.h | ||
| libffiConfig.cmake.in | ||
| portfile.cmake | ||