re PR bootstrap/9863 (Absence of awk isn't properly diagnosed at configure time)

	PR bootstrap/9863
	* configure.in: Bail out if awk is missing.
	* configure: Regenerate.

From-SVN: r73126

gcc/ChangeLog

 2003-10-31  Nathanael Nerode  <neroden@gcc.gnu.org>
 
+	PR bootstrap/9863
+	* configure.in: Bail out if awk is missing.
+	* configure: Regenerate.
+
 	PR ada/12761
 	* Makefile.in: Move default definitions of X_ADA_CFLAGS,
 	T_ADA_CFLAGS, X_ADAFLAGS, T_ADAFLAGS from ada/Make-lang.in to here.

gcc/configure.in

@@ -602,6 +602,12 @@ AC_PROG_MAKE_SET
 
 # Find some useful tools
 AC_PROG_AWK
+# We need awk to run opts.sh (to create options.c and options.h).
+# Bail out if it's missing.
+case ${AWK} in
+  "") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
+esac
+
 gcc_AC_PROG_LN
 gcc_AC_PROG_LN_S
 AC_PROG_RANLIB