--- rxvt-unicode/configure.ac	2006/01/17 12:53:29	1.2
+++ rxvt-unicode/configure.ac	2006/01/18 11:28:42	1.8
@@ -1,4 +1,3 @@
-dnl# -*- sh -*-
 dnl#
 dnl# Process this file with autoconf to produce a configure script.
 dnl#
@@ -33,7 +32,6 @@
 AC_PROG_CXX
 AC_PROG_CPP
 AC_PROG_INSTALL
-AC_PROG_AWK
 
 AC_LANG(C)
 
@@ -481,8 +479,6 @@
 
 dnl# --------------------------------------------------------------------------
 
-AC_DEFINE(PROTOTYPES, 1, Define if you need function prototypes)
-
 AC_PATH_PROG(MV, mv, mv)
 AC_PATH_PROG(RM, rm, rm)
 AC_PATH_PROG(CP, cp, cp)
@@ -490,7 +486,6 @@
 AC_PATH_PROG(SED, sed, sed)
 AC_PATH_PROG(ECHO, echo, echo)
 AC_PATH_PROG(CMP, cmp, cmp)
-AC_PATH_PROG(TBL, tbl)
 AC_PATH_PROG(TIC, tic)
 
 dnl# need a neat way to detect SVR4 or its features
@@ -716,6 +711,7 @@
 	unsetenv \
 	setutent \
 	seteuid \
+	setresuid \
 	setreuid \
 	_getpty \
 	getpt \
@@ -739,7 +735,6 @@
 AC_CHECK_HEADER(utmp.h,
 [AC_CACHE_CHECK([for struct utmp], rxvt_cv_struct_utmp,
 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <stdint.h>
 #include <utmp.h>]], [[struct utmp ut;]])],[rxvt_cv_struct_utmp=yes],[rxvt_cv_struct_utmp=no])])
 if test x$rxvt_cv_struct_utmp = xyes; then
   AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
@@ -1140,6 +1135,8 @@
 ],[rxvt_can_pass_fds=yes],[rxvt_can_pass_fds=no])])
 if test x$rxvt_can_pass_fds = xyes; then
    AC_DEFINE(HAVE_UNIX_FDPASS, 1, Define if sys/socket.h defines the necessary macros/functions for file handle passing)
+else
+   AC_MSG_ERROR([urxvt requires unix-compliant filehandle passing ability])
 fi
 
 AC_CACHE_CHECK(for broken XIM callback, rxvt_broken_ximcb,
@@ -1380,12 +1377,10 @@
         PERLLIB="`$PERL -MExtUtils::Embed -e ldopts`"
         PERLPRIVLIBEXP="`$PERL -MConfig -e 'print $Config{privlibexp}'`"
      else
-        support_perl=no
-        AC_MSG_RESULT([no, unable to link])
+        AC_MSG_ERROR([no, unable to link])
      fi
   else
-     AC_MSG_ERROR(no working perl found, or perl not version >= 5.8)
-     support_perl=no
+     AC_MSG_ERROR([no working perl found, or perl not version >= 5.8])
   fi
 fi
 AC_SUBST(PERLLIB)