Committed the patch below as obvious.
2012-01-12 Janne Blomqvist <j...@gcc.gnu.org>
* configure.ac: Remove check for fdopen.
* runtime/backtrace.c (CAN_PIPE): Fix comment, remove check for
fdopen.
* configure: Regenerated.
* config.h.in: Regenerated.
Index: configure.ac
===================================================================
--- configure.ac (revision 183121)
+++ configure.ac (working copy)
@@ -263,7 +263,7 @@ AC_CHECK_MEMBERS([struct stat.st_blksize
# Check for library functions.
AC_CHECK_FUNCS_ONCE(getrusage times mkstemp strtof strtold snprintf \
ftruncate chsize chdir getlogin gethostname kill link symlink sleep ttyname \
-alarm access fork execl wait setmode execve pipe dup2 close fdopen \
+alarm access fork execl wait setmode execve pipe dup2 close \
strcasestr getrlimit gettimeofday stat fstat lstat getpwuid vsnprintf dup \
getcwd localtime_r gmtime_r strerror_r getpwuid_r ttyname_r clock_gettime \
readlink getgid getpid getppid getuid geteuid)
Index: runtime/backtrace.c
===================================================================
--- runtime/backtrace.c (revision 183121)
+++ runtime/backtrace.c (working copy)
@@ -40,13 +40,12 @@ see the files COPYING3 and COPYING.RUNTI
#include "unwind.h"
-/* Macros for common sets of capabilities: can we fork and exec, can
- we use glibc-style backtrace functions, and can we use pipes. */
+/* Macros for common sets of capabilities: can we fork and exec, and
+ can we use pipes to communicate with the subprocess. */
#define CAN_FORK (defined(HAVE_FORK) && defined(HAVE_EXECVE) \
&& defined(HAVE_WAIT))
#define CAN_PIPE (CAN_FORK && defined(HAVE_PIPE) \
- && defined(HAVE_DUP2) && defined(HAVE_FDOPEN) \
- && defined(HAVE_CLOSE))
+ && defined(HAVE_DUP2) && defined(HAVE_CLOSE))
#ifndef PATH_MAX
#define PATH_MAX 4096
--
Janne Blomqvist
