From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date: Sun, 13 Sep 2009 19:14:27 +0000 (+0200)
Subject: DJGPP fix: Do not redirect standard input in configure scripts.
X-Git-Tag: v2.65~45
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22ac64cd53d5491f095192c3bdeeb45a80bfcdd0;p=thirdparty%2Fautoconf.git

DJGPP fix: Do not redirect standard input in configure scripts.

* lib/autoconf/general.m4 (_AC_INIT_DEFAULTS): If $DJGPP is
nonempty, do not dup fd 0 to AS_ORIGINAL_STDIN_FD, do not close
fd 0.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
---

diff --git a/ChangeLog b/ChangeLog
index d128e2ad..9e9c3755 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-09-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	DJGPP fix: Do not redirect standard input in configure scripts.
+	* lib/autoconf/general.m4 (_AC_INIT_DEFAULTS): If $DJGPP is
+	nonempty, do not dup fd 0 to AS_ORIGINAL_STDIN_FD, do not close
+	fd 0.
+
 2009-09-14  Eric Blake  <ebb9@byu.net>
 
 	Quote result of m4_toupper and m4_tolower.
diff --git a/lib/autoconf/general.m4 b/lib/autoconf/general.m4
index 43b5e235..b850c8a9 100644
--- a/lib/autoconf/general.m4
+++ b/lib/autoconf/general.m4
@@ -385,7 +385,8 @@ AU_ALIAS([AC_FD_MSG], [AS_MESSAGE_FD])
 m4_define([_AC_INIT_DEFAULTS],
 [m4_divert_push([DEFAULTS])dnl
 
-exec AS_ORIGINAL_STDIN_FD<&0 </dev/null AS_MESSAGE_FD>&1
+test -n "$DJDIR" || exec AS_ORIGINAL_STDIN_FD<&0 </dev/null
+exec AS_MESSAGE_FD>&1
 
 # Name of the host.
 # hostname on some systems (SVR3.2, Linux) returns a bogus exit status,