--- gforth/configure.in	2008/11/02 17:16:46	1.265
+++ gforth/configure.in	2009/12/31 15:32:35	1.273
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 
-#Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008 Free Software Foundation, Inc.
+#Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
 
 #This file is part of Gforth.
 
@@ -20,12 +20,12 @@ dnl Process this file with autoconf to p
 
 dnl We use some automake macros here,
 dnl but don't use automake for creating Makefile.in
-AC_INIT([gforth],[0.7.0],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
+AC_INIT([gforth],[0.7.0-20090215],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
 AC_PREREQ(2.54)
 #snapshots have numbers major.minor.release-YYYYMMDD
 #note that lexicographic ordering must be heeded.
 #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
-UPDATED="November 2, 2008"
+UPDATED="November 8, 2008"
 AC_SUBST(UPDATED)
 AC_CONFIG_HEADERS(engine/config.h)
 
@@ -608,6 +608,21 @@ AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGI
 CFLAGS="$CFLAGS_1"
 AC_MSG_RESULT($ac_align_jumps)
 
+if test -z "$LIBTOOL_CC"
+then
+  LIBTOOL_CC="$CC"
+  # Try if GCC understands -Wimplicit-function-declaration
+  AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
+  CFLAGS_1="$CFLAGS"
+  CFLAGS="$CFLAGS -Wimplicit-function-declaration"
+  AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
+  CFLAGS="$CFLAGS_1"
+  AC_MSG_RESULT($ac_align_jumps)
+fi
+AC_SUBST(LIBTOOL_CC)
+
+
+
 # Try if GCC understands __attribute__((unused))
 AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
 AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
@@ -824,19 +839,19 @@ AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps te
 dnl MacOS X has a libtool that does something else
 AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
 
-if test -n "$GNU_LIBTOOL"; then
+dnl Checks for library functions
+dnl This check is just for making later checks link with libm.
+dnl using sin here is no good idea since it is built-into gcc and typechecked
+AC_CHECK_LIB(m,asin)
+AC_CHECK_LIB(ltdl,lt_dlinit)
+
+if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
   build_libcc_named=build-libcc-named
 else
   build_libcc_named=""
 fi
 AC_SUBST(build_libcc_named)
 
-
-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_CHECK_LIB(ltdl,lt_dlinit)
 #check for libffi 2.x
 AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
 if test -z "$FFI_H_NAME"; then
@@ -926,3 +941,4 @@ ln -sf ../../../engine/config.h ../../..
  machine=$machine])
 AC_OUTPUT
 
+test -z "$GNU_LIBTOOL" && echo * Problem: no libtool found, libcc.fs will not work