--- gforth/configure.in	1996/10/13 19:56:20	1.26
+++ gforth/configure.in	1996/12/28 17:19:23	1.28
@@ -42,9 +42,9 @@ AC_DEFINE(INDIRECT_THREADED))
 
 AC_ARG_WITH(debug,
 [  --with-debug     specifies option -g to compile with debug info (default)
-   --without-debug  omits the -g switch and creates smaller images on
-                    machines where "strip" has problems with gcc style
-                    debugging informations.],
+  --without-debug  omits the -g switch and creates smaller images on
+                   machines where "strip" has problems with gcc style
+                   debugging informations.],
 if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
 
 CFLAGS=$CFLAGS
@@ -184,6 +184,8 @@ PATHSEP=":"
 AC_SUBST(PATHSEP)
 AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP')
 
+AC_SUBST(FORTHSIZES)
+
 dnl copy commands for systems that don't have links
 AC_SUBST(LINK_KERNL16L)
 LINK_KERNL16L=""
@@ -235,6 +237,8 @@ AC_CHECK_FUNCS(rint expm1 log1p)
 AC_REPLACE_FUNCS(ecvt)
 dnl No check for select, because our replacement is no good under
 dnl anything but DOS
+AC_CHECK_HEADERS(sys/mman.h)
+AC_CHECK_FUNCS(mmap sysconf getpagesize)
 
 kernel_fi=kernl${wordsize}${bytesex}.fi
 AC_SUBST(kernel_fi)