[libiberty] pre-detect for djgpp

[DJ Delorie]

Committed.

2007-02-26  DJ Delorie  <dj@redhat.com>

	* configure.ac: add djgpp-specific results, so we don't have to
	link during a cross compilation.
	* configure: Regenerated.

Index: configure.ac
===================================================================
--- configure.ac	(revision 122342)
+++ configure.ac	(working copy)
@@ -545,6 +545,23 @@
     setobjs=yes
     ;;
 
+  *-*-msdosdjgpp)
+    for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
+             getcwd getpagesize getrusage gettimeofday gettimeofday \
+             index insque memchr memcmp memcpy memmove memset psignal \
+             putenv random rename rindex sbrk setenv stpcpy strcasecmp \
+             strchr strdup strerror strncasecmp strrchr strstr strtod \
+             strtol strtoul sysconf times tmpnam vfprintf vprintf \
+             vsprintf waitpid
+    do
+      n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+      AC_DEFINE_UNQUOTED($n)
+    done
+
+
+    setobjs=yes
+    ;;
+
   esac
 fi