[gdb/testsuite] Handle my-syscalls.h for remote host
Handle $srcdir/lib/my-syscalls.h using lappend_include_dir.
Tested on x86_64-linux.
diff --git a/gdb/testsuite/gdb.threads/step-over-exec.c b/gdb/testsuite/gdb.threads/step-over-exec.c
index a917507..927eb38 100644
--- a/gdb/testsuite/gdb.threads/step-over-exec.c
+++ b/gdb/testsuite/gdb.threads/step-over-exec.c
@@ -21,7 +21,7 @@
#include <string.h>
#include <pthread.h>
-#include "../lib/my-syscalls.h"
+#include "my-syscalls.h"
#if (!defined(LEADER_DOES_EXEC) && !defined(OTHER_DOES_EXEC) \
|| defined(LEADER_DOES_EXEC) && defined(OTHER_DOES_EXEC))
diff --git a/gdb/testsuite/gdb.threads/step-over-exec.exp b/gdb/testsuite/gdb.threads/step-over-exec.exp
index e481797..04ccaef 100644
--- a/gdb/testsuite/gdb.threads/step-over-exec.exp
+++ b/gdb/testsuite/gdb.threads/step-over-exec.exp
@@ -46,6 +46,8 @@
set execr_opts [list debug]
set execd_opts [list debug]
+ lappend_include_file execr_opts $::srcdir/lib/my-syscalls.h
+
if { $different_text_segments } {
lappend execr_opts "text_segment=0x600000"
lappend execd_opts "text_segment=0x800000"
