function(GetZstdLibraryVersion _header _major _minor _patch) # Read file content file(READ ${_header} CONTENT) string(REGEX MATCH ".*define ZSTD_VERSION_MAJOR *([0-9]+).*define ZSTD_VERSION_MINOR *([0-9]+).*define ZSTD_VERSION_RELEASE *([0-9]+)" VERSION_REGEX "${CONTENT}") set(${_major} ${CMAKE_MATCH_1} PARENT_SCOPE) set(${_minor} ${CMAKE_MATCH_2} PARENT_SCOPE) set(${_patch} ${CMAKE_MATCH_3} PARENT_SCOPE) endfunction()