AC_ARG_WITH([system-t1lib], [ --with-system-t1lib Use installed T1lib]) AC_ARG_WITH([t1lib_libdir], [ --with-t1lib-libdir=DIR Specify the location of T1lib library files (libt1.a)]) AC_ARG_WITH([t1lib_include], [ --with-t1lib-include=DIR Specify the location of T1lib header files])