$NetBSD: patch-configure,v 1.2 2012/05/31 09:24:53 fhajny Exp $

Fix many temporary file handling issues, including in pdfroff
(resolves CVE-2009-5044 / SA44999)
Patches copied from:
 http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/groff/groff-1.20.1-owl-tmp.diff?rev=1.2
Modified for pkgsrc and excluded a documentaion change to doc/groff.texinfo
that changes a `makeinfo' is too old warning into a fatal error.

--- configure.orig	2009-01-09 14:25:52.000000000 +0000
+++ configure
@@ -11598,18 +11598,6 @@ _ACEOF
    { $as_echo "$as_me:$LINENO: result: $PAGE" >&5
 $as_echo "$PAGE" >&6; }
 
-{ $as_echo "$as_me:$LINENO: checking for existing troff installation" >&5
-$as_echo_n "checking for existing troff installation... " >&6; }
-   if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
-     { $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
-     g=g
-   else
-     { $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
-     g=
-   fi
-
 { $as_echo "$as_me:$LINENO: checking for prefix of system macro packages" >&5
 $as_echo_n "checking for prefix of system macro packages... " >&6; }
    sys_tmac_prefix=
@@ -12937,33 +12925,12 @@ if $ac_need_defaults; then
   test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
 fi
 
-# Have a temporary directory for convenience.  Make it in the build tree
-# simply because there is no reason against having it here, and in addition,
-# creating and moving files from /tmp can sometimes cause problems.
-# Hook for its removal unless debugging.
-# Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to `$tmp'.
+# Create a temporary directory, and hook for its removal unless debugging.
+tmp="`mktemp -dt cs.XXXXXXXXXX`" || exit
 $debug ||
 {
-  tmp=
-  trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
-' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
-}
-# Create a (secure) tmp directory for tmp files.
-
-{
-  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
-}  ||
-{
-  tmp=./conf$$-$RANDOM
-  (umask 077 && mkdir "$tmp")
-} ||
-{
-   $as_echo "$as_me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
+  trap 'exit_status=$?; rm -rf -- "$tmp" && exit $exit_status' EXIT
+  trap '{ (exit $?); exit $?; }' HUP INT QUIT PIPE TERM
 }
 
 # Set up the scripts for CONFIG_FILES section.