Include signal.h which sigcontextinfo.h headers are used to expect.

diff --git a/sysdeps/generic/backtrace.c b/sysdeps/generic/backtrace.c
index 3eae3f44f7e9085df57e691f3e88f9449fb54929..b9242b587bec6f2a2849cd68bb8f3e8f93b5d63d 100644 (file)
--- a/sysdeps/generic/backtrace.c
+++ b/sysdeps/generic/backtrace.c
@@ -19,6 +19,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <execinfo.h>
+#include <signal.h>
 #include <frame.h>
 #include <sigcontextinfo.h>