function(GetZstdLibraryVersion _header _major _minor _release) # 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} ${CMAKE_MATCH_2} PARENT_SCOPE) SET(${_release} ${CMAKE_MATCH_3} PARENT_SCOPE) endfunction()