$NetBSD: patch-am,v 1.1 2004/06/09 05:42:31 taca Exp $

--- configure.in.orig	Fri Aug 15 12:58:57 2003
+++ configure.in
@@ -26,7 +26,7 @@ dnl Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS(fcntl.h limits.h sys/file.h sys/stat.h unistd.h)
 AC_CHECK_HEADERS(sys/param.h sys/types.h netinet/in.h)
-AC_CHECK_HEADERS(io.h windows.h)
+AC_CHECK_HEADERS(io.h windows.h iconv.h)
 
 AC_MSG_CHECKING([for darts.h])
 AC_ARG_WITH(darts,
@@ -55,8 +55,13 @@ AC_ARG_WITH(libiconv,
         AC_SUBST(ICONV_CFLAGS)
      fi])
 
-AC_CHECK_LIB(iconv, iconv, [], [
-	AC_CHECK_HEADER(iconv.h, [], AC_MSG_ERROR([ChaSen needs iconv]))])
+AC_MSG_CHECKING([iconv()])
+save_libs="$LIBS"
+LIBS="$LIBS -liconv"
+ac_cv_lib_iconv_iconv=no
+AC_TRY_LINK([#include <iconv.h>], [iconv(0, 0, 0, 0, 0)],
+	[ac_cv_lib_iconv_iconv=yes], [AC_MSG_ERROR([ChaSen needs iconv])])
+AC_MSG_RESULT($ac_cv_lib_iconv_iconv)
 
 AC_DEFUN(cl_VAR_ICONV_ARG, [
      for CODE in $2; do