fix gdbserver build in nat/linux-ptrace.c on arm-android

The following change replaced an include of gregset.h by
an include of <sys/procfs.h>:

    commit 39b22471578843019026c50fcdbe0483a6045970
    Date:   Thu Aug 11 12:01:22 2016 +0100
    Subject: Fix fallout from gdb/20413's fix
             (x32: linux_ptrace_test_ret_to_nx: Cannot PTRACE_PEEKUSER)

Unfortunately, this broke gdbserver on Android, because that file
does not exist on this platform.  This patch fixes the issue by
conditionalizing its include with HAVE_SYS_PROCFS_H (which we check
both in gdb/configure and gdbserver/configure).

gdb/ChangeLog:

        * nat/linux-ptrace.c: Only include <sys/procfs.h> if
        HAVE_SYS_PROCFS_H is defined.

Tested by rebuilding gdbserver on arm-android and GNU/Linux.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 9e1e67d..fd42635 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2017-01-20  Joel Brobecker  <brobecker@adacore.com>
+
+       * nat/linux-ptrace.c: Only include <sys/procfs.h> if
+       HAVE_SYS_PROCFS_H is defined.
+
 2017-01-18  Alan Hayward  <alan.hayward@arm.com>
 
        * remote.c (struct cached_reg): Change data into a pointer.

diff --git a/gdb/nat/linux-ptrace.c b/gdb/nat/linux-ptrace.c
index 3447e07..3265b16 100644 (file)
--- a/gdb/nat/linux-ptrace.c
+++ b/gdb/nat/linux-ptrace.c
@@ -23,7 +23,9 @@
 #include "buffer.h"
 #include "gdb_wait.h"
 #include "gdb_ptrace.h"
+#ifdef HAVE_SYS_PROCFS_H
 #include <sys/procfs.h>
+#endif
 
 /* Stores the ptrace options supported by the running kernel.
    A value of -1 means we did not check for features yet.  A value