Issue #15359: Add CAN_BCM protocol support to the socket module. Patch by Brian
Thorne.
diff --git a/configure.ac b/configure.ac
index ec1abb4..34f19f3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1568,7 +1568,7 @@
 ])
 
 # On Linux, can.h and can/raw.h require sys/socket.h
-AC_CHECK_HEADERS(linux/can.h linux/can/raw.h,,,[
+AC_CHECK_HEADERS(linux/can.h linux/can/raw.h linux/can/bcm.h,,,[
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif