fix gdbtui build errors when pipe() is not available (e.g. mingw targets)

	* configure.ac (AC_CHECK_FUNCS): Check for pipe.
	* config.in, configure: Regenerate.
	* tui/tui-io.c (TUI_USE_PIPE_FOR_READLINE): Define if HAVE_PIPE.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 161c27c..28a37db 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2009-07-20  Mike Frysinger  <vapier@gentoo.org>
+
+       * configure.ac (AC_CHECK_FUNCS): Check for pipe.
+       * config.in, configure: Regenerate.
+       * tui/tui-io.c (TUI_USE_PIPE_FOR_READLINE): Define if HAVE_PIPE.
+
 2009-07-20  Pedro Alves  <pedro@codesourcery.com>
 
        * gnu-nat.c: Include "inf-child.h".

diff --git a/gdb/config.in b/gdb/config.in
index d4d4469..f2d56a0 100644 (file)
--- a/gdb/config.in
+++ b/gdb/config.in
@@ -279,6 +279,9 @@
 /* Define if you support the personality syscall. */
 #undef HAVE_PERSONALITY
 
+/* Define to 1 if you have the `pipe' function. */
+#undef HAVE_PIPE
+
 /* Define to 1 if you have the `poll' function. */
 #undef HAVE_POLL
 

diff --git a/gdb/configure b/gdb/configure
index 13b30f8..30409c8 100755 (executable)
--- a/gdb/configure
+++ b/gdb/configure
@@ -15868,7 +15868,7 @@ fi
 
 
 for ac_func in canonicalize_file_name realpath getrusage getuid \
-                getgid poll pread64 sbrk setpgid setpgrp setsid \
+               getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
                sigaction sigprocmask sigsetmask socketpair syscall \
                ttrace wborder setlocale iconvlist libiconvlist btowc
 do

diff --git a/gdb/configure.ac b/gdb/configure.ac
index 1d91647..77f8436 100644 (file)
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -785,7 +785,7 @@ AC_FUNC_ALLOCA
 AC_FUNC_MMAP
 AC_FUNC_VFORK
 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
-                getgid poll pread64 sbrk setpgid setpgrp setsid \
+               getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
                sigaction sigprocmask sigsetmask socketpair syscall \
                ttrace wborder setlocale iconvlist libiconvlist btowc])
 AM_LANGINFO_CODESET

diff --git a/gdb/tui/tui-io.c b/gdb/tui/tui-io.c
index 56e9dba..a597f37 100644 (file)
--- a/gdb/tui/tui-io.c
+++ b/gdb/tui/tui-io.c
@@ -113,7 +113,9 @@ key_is_command_char (int ch)
    #undef TUI_USE_PIPE_FOR_READLINE.  */
 
 /* For gdb 5.3, prefer to continue the pipe hack as a backup wheel.  */
+#ifdef HAVE_PIPE
 #define TUI_USE_PIPE_FOR_READLINE
+#endif
 /* #undef TUI_USE_PIPE_FOR_READLINE */
 
 /* TUI output files.  */