--- rxvt-unicode/configure.ac	2006/01/17 12:21:41	1.1
+++ rxvt-unicode/configure.ac	2006/01/21 00:09:06	1.14
@@ -1,4 +1,3 @@
-dnl# -*- sh -*-
 dnl#
 dnl# Process this file with autoconf to produce a configure script.
 dnl#
@@ -33,31 +32,36 @@
 AC_PROG_CXX
 AC_PROG_CPP
 AC_PROG_INSTALL
-AC_PROG_AWK
+
+AC_AIX
+AC_ISC_POSIX
 
 AC_LANG(C)
 
+dnl check wetehr we can link with gcc -lsupc++
+LINKER="$CXX"
+if test x$GCC = xyes && test x$GXX = xyes; then
+   AC_CHECK_LIB(supc++, main, [
+      LINKER="$CC"
+      LIBS="$LIBS -lsupc++"
+   ])
+fi
+AC_SUBST(LINKER,[$LINKER])
+
+AC_LANG(C++)
 dnl# --------------------------------------------------------------------------
-dnl# Supply default CFLAGS, if not specified by `CFLAGS=flags ./configure'
+dnl# Supply default CXXFLAGS, if not specified by `CXXFLAGS=flags ./configure'
 dnl#
 if test -z "$orig_CXXFLAGS"; then
   if test x$GCC = xyes && test "x$GXX" = xyes; then
-    CXXFLAGS="-g -O3"
+    CXXFLAGS="-g -O3 -fno-threadsafe-statics -fno-enforce-eh-specs"
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [], [CXXFLAGS="-g -O3"])
   else
     CXXFLAGS="-O"
   fi
   CFLAGS="$CXXFLAGS"
 fi
 
-LINKER="$CXX"
-if test x$GCC = xyes && test x$GXX = xyes; then
-   AC_CHECK_LIB(supc++, main, [
-      LINKER="$CC"
-      LIBS="$LIBS -lsupc++"
-   ])
-fi
-AC_SUBST(LINKER,[$LINKER])
-
 AC_DEFINE(_GNU_SOURCE, 1, Use all glibc features.)
 
 case $host in
@@ -72,12 +76,6 @@
 dnl    CXXFLAGS="$CXXFLAGS" dnl I once had -fno-exceptions, but I am using them now...
 dnl fi
 
-AC_LANG(C++)
-
-dnl# system hacks
-AC_AIX
-AC_ISC_POSIX
-
 dnl# FreeBSD needs to link libxpg4
 AC_CHECK_FUNC(setlocale,     [], [AC_CHECK_LIB(xpg4,   setlocale,     [LIBS="$LIBS -lxpg4"])])
 
@@ -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
@@ -538,17 +533,17 @@
 	sys/select.h \
 	sys/sockio.h \
 	sys/strredir.h \
-        sys/stropts.h \
+	sys/stropts.h \
 	sys/time.h \
 	utmp.h \
 	utmpx.h \
-        stdint.h \
-        pty.h \
-        util.h \
-        libutil.h \
-        wchar.h \
-        cwchar \
-        clocale \
+	stdint.h \
+	pty.h \
+	util.h \
+	libutil.h \
+	wchar.h \
+	cwchar \
+	clocale \
 )
 
 AC_HEADER_TIME
@@ -633,7 +628,7 @@
 AC_CHECK_SIZEOF(int *, 4)
 
 dnl# see usage below
-AC_DEFUN(RXVT_CHECK_SIZE,
+AC_DEFUN([RXVT_CHECK_SIZE],
   [AC_CACHE_CHECK([for $2], $1,
     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdint.h>]], [[$2 dummy;]])],[$1=yes],[dnl
 if test "$ac_cv_sizeof_char" -ge $3; then
@@ -711,22 +706,13 @@
 AC_TYPE_SIGNAL
 dnl> AC_FUNC_VPRINTF
 
-dnl# Note: On Ultrix, setsid() does weirdo stuff, disable it
-case "$host_alias" in
-    *ultrix) ac_cv_func_setsid='no' ;;
-    *) break;;
-esac
-
 AC_CHECK_FUNCS( \
-	atexit \
 	revoke \
 	unsetenv \
 	setutent \
 	seteuid \
+	setresuid \
 	setreuid \
-	setsid \
-	setpgrp \
-	setpgid \
 	_getpty \
 	getpt \
 	posix_openpt \
@@ -749,7 +735,6 @@
 AC_CHECK_HEADER(utmp.h,
 [AC_CACHE_CHECK([for struct utmp], rxvt_cv_struct_utmp,
 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#include <stdint.h>
 #include <utmp.h>]], [[struct utmp ut;]])],[rxvt_cv_struct_utmp=yes],[rxvt_cv_struct_utmp=no])])
 if test x$rxvt_cv_struct_utmp = xyes; then
   AC_DEFINE(HAVE_STRUCT_UTMP, 1, Define if utmp.h has struct utmp)
@@ -1150,6 +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,
@@ -1390,12 +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)
@@ -1440,7 +1425,7 @@
 dnl# test for "sun" or "__sun__" before include sys_ioctl
 
 dnl# revert HAVE_BLAH_H into a "#include <blah.h>"
-AC_DEFUN(RXVT_DEFINE_TO_INCLUDE, dnl
+AC_DEFUN([RXVT_DEFINE_TO_INCLUDE], dnl
 [if test "$$3" = "$4" -o "$$5" = "$6"; then
   $1="#include <$2>"
 else