--- gforth/configure.in	1994/12/12 17:10:33	1.1
+++ gforth/configure.in	1995/04/29 16:51:49	1.12
@@ -20,18 +20,53 @@ AC_ARG_ENABLE(indirect-threaded,
 				(default processor-dependent)],
 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.],
+if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
+
+
+AC_SUBST(GCCLDFLAGS)
+AC_SUBST(DEBUGFLAG)
+
+dnl the following macro produces a warning with autoconf-2.1
+AC_CHECK_SIZEOF(char *)
+case "$ac_cv_sizeof_char_p" in
+  2)
+    wordsize=16
+    ;;
+  4)
+    wordsize=32
+    ;;
+  8)
+    wordsize=64
+dnl    AC_CHECK_SIZEOF(long long)
+dnl    if [ $ac_cv_sizeof_long_long != 16 ]
+dnl    then
+dnl       try the whole thing with -mlonlong128
+dnl complain about C compiler and OS vendor
+dnl    fi
+    ;;
+esac
+
 #terminology is a bit unusual here: The host is the system on which
 #gforth will run; the system on which configure will run is the `build'
 AC_CANONICAL_HOST
 case "$host_cpu" in
 	hppa*)
 		mach_h=hppa
+		LIBOBJS="cache.o"
+		LDFLAGS="-Xlinker -N"
+		LIBS="-L/lib/pa1.1/"
 		;;
 	sparc*)
 		mach_h=sparc
 		;;
 	i386|i486|i586)
 		mach_h=386
+		CFLAGS="-fforce-mem -fforce-addr -fomit-frame-pointer"
 		#!! direct/indirect threading switch
 		#!! -m486 flag
 		;;
@@ -40,8 +75,12 @@ case "$host_cpu" in
 		;;
 	mips*)
 		mach_h=mips
-		#!! link text and data segment into the same 256M region!
-		#!! does cacheflush work on OSs other than Ultrix?
+		#link text and data segment into the same 256M region!
+		GCCLDFLAGS="-Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000"
+		;;
+	alpha*)
+		mach_h=alpha
+		echo Very Preliminary Support for Alpha!!!
 		;;
 	*)
 		echo "No direct threading support for $host_cpu, using indirect threading."
@@ -51,16 +90,25 @@ case "$host_cpu" in
 		echo "double numbers. If this is not so, SF@ etc. will not work correctly."
 		mach_h=32bit
 esac
+AC_SUBST(host)
 
 dnl Now a little support for DOS/DJGCC
 AC_SUBST(MAKE_EXE)
 MAKE_EXE=""
 
 dnl copy commands for systems that don't have links
+AC_SUBST(LINK_KERNL16L)
+LINK_KERNL16L=""
+AC_SUBST(LINK_KERNL16B)
+LINK_KERNL16B=""
 AC_SUBST(LINK_KERNL32L)
 LINK_KERNL32L=""
 AC_SUBST(LINK_KERNL32B)
 LINK_KERNL32B=""
+AC_SUBST(LINK_KERNL64L)
+LINK_KERNL64L=""
+AC_SUBST(LINK_KERNL64B)
+LINK_KERNL64B=""
 
 #if test $host_os=dos
 #then
@@ -71,11 +119,14 @@ LINK_KERNL32B=""
 
 dnl the following macro produces a warning with autoconf-2.1
 AC_C_BIGENDIAN
+AC_SUBST(KERNAL)
 dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
 if test $ac_cv_c_bigendian = yes; then
   bytesex=b
+  KERNAL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
 else
   bytesex=l
+  KERNAL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
 fi
 
 dnl Checks for programs.
@@ -83,18 +134,21 @@ AC_PROG_LN_S
 AC_PROG_INSTALL
 
 dnl Checks for library functions
+dnl This check is just for making later checks link with libm.
+dnl using sin here is no good idea since it is built-into gcc and typechecked
+AC_CHECK_LIB(m,asin)
 AC_FUNC_MEMCMP
-AC_REPLACE_FUNCS(memmove strtoul)
-AC_CHECK_FUNC(getopt_long,getop_long="",getopt_long="getopt.o getopt1.o")
+AC_REPLACE_FUNCS(memmove strtoul pow10 strerror)
+AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o")
 AC_SUBST(getopt_long)
-dnl This check is just for making later checks link with libm.
-AC_CHECK_LIB(m,sin)
-AC_CHECK_FUNCS(rint)
+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
 
-dnl autoconf requires (implicitly) that AC_LINK_FILES is used only once
-AC_LINK_FILES(${mach_h}.h kernl32${bytesex}.fi,machine.h gforth.fi)
+gforth_fi=kernl${wordsize}${bytesex}.fi
+AC_SUBST(gforth_fi)
+
+AC_LINK_FILES(${mach_h}.h $gforth_fi,machine.h gforth.fi)
 AC_OUTPUT(Makefile)