XP_BUILD_YASM_COMPLETE_PKG cmake option
XP_BUILD_YASM_COMPLETE_PKG cmake option

OFF by default, which sets INSTALL_YASM_ONLY to ON/TRUE
complete package creates a use script and installs library, headers, other executables
added while doing work/verification for issue https://github.com/smanders/externpro/issues/274#issuecomment-654472915

smanders/externpro