[PATCH 1/7] gdbserver, common: conditionally include the unistd.h

[Mircea Gherzan <mircea.gherzan@intel.com>]

2013-06-25  Mircea Gherzan  <mircea.gherzan@intel.com>

	* common/agent.c: Conditionally include unistd.h.

gdbserver/
	* hostio.c: Conditionally include unistd.h and define PATH_MAX
	if unistd.h is not available.
	* tracepoint.h: Conditionally include unistd.h.

Signed-off-by: Mircea Gherzan <mircea.gherzan@intel.com>
---
 gdb/common/agent.c         | 2 ++
 gdb/gdbserver/hostio.c     | 7 +++++++
 gdb/gdbserver/tracepoint.c | 2 ++
 3 files changed, 11 insertions(+)

diff --git a/gdb/common/agent.c b/gdb/common/agent.c
index 99cef4f..bbf5c4c 100644
--- a/gdb/common/agent.c
+++ b/gdb/common/agent.c
@@ -26,7 +26,9 @@
 #endif
 
 #include <string.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include "agent.h"
 #include "filestuff.h"
 
diff --git a/gdb/gdbserver/hostio.c b/gdb/gdbserver/hostio.c
index df94d31..3cf93db 100644
--- a/gdb/gdbserver/hostio.c
+++ b/gdb/gdbserver/hostio.c
@@ -23,7 +23,14 @@
 
 #include <fcntl.h>
 #include <limits.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
+
+/* PATH_MAX is defined in unistd.h, which might not be available.  */
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
 
 extern int remote_debug;
 
diff --git a/gdb/gdbserver/tracepoint.c b/gdb/gdbserver/tracepoint.c
index 5c0dec7..c0dea5b 100644
--- a/gdb/gdbserver/tracepoint.c
+++ b/gdb/gdbserver/tracepoint.c
@@ -22,7 +22,9 @@
 
 #include <ctype.h>
 #include <fcntl.h>
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 #include <sys/time.h>
 #include <stddef.h>
 #include <inttypes.h>
-- 
1.7.12.4