dwflpp.h: add conditional EM_RISCV define

.... for use on older elfutils

diff --git a/dwflpp.h b/dwflpp.h
index b0d43fd9be3971ad432632840c32a3179654a257..72b30cb1841eda749938dc1957076567462eab09 100644 (file)
--- a/dwflpp.h
+++ b/dwflpp.h
@@ -32,6 +32,11 @@
 #define EM_AARCH64 183
 #endif
 
+#ifndef EM_RISCV
+#define EM_RISCV 243
+#endif
+
+
 
 extern "C" {
 #include <elfutils/libdwfl.h>