Plan 9 from Bell Labs’s /usr/web/sources/contrib/fgb/root/sys/src/ape/X11/config
APE=/sys/src/ape <$APE/config X11BIN=/$objtype/bin/X11 X11LIB=/$objtype/lib/ape/X11 X11CFLAGS=-B -D_POSIX_SOURCE -D_BSD_EXTENSION -D_REENTRANT_SOURCE -DHAVE_SOCK_OPTS -D_C99_SNPRINTF_EXTENSION -DPLAN9 -DT$objtype -DHAVE_CONFIG_H -I$X11