[pkgsrc/trunk]: pkgsrc/devel/libnet libnet: Avoid looking for /dev/bpf to dec...

[nia <nia%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/f24f07f744b3
branches:  trunk
changeset: 769184:f24f07f744b3
user:      nia <nia%pkgsrc.org@localhost>
date:      Tue Nov 09 11:56:24 2021 +0000

description:
libnet: Avoid looking for /dev/bpf to decide to use the BPF link layer.

It may not be available in the build sandbox, in which case libnet
thinks we're on Win32 and fails horribly.

diffstat:

 devel/libnet/Makefile |  10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diffs (24 lines):

diff -r 00a14ba4df65 -r f24f07f744b3 devel/libnet/Makefile
--- a/devel/libnet/Makefile     Tue Nov 09 11:51:11 2021 +0000
+++ b/devel/libnet/Makefile     Tue Nov 09 11:56:24 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.36 2021/07/22 07:58:50 wiz Exp $
+# $NetBSD: Makefile,v 1.37 2021/11/09 11:56:24 nia Exp $
 
 DISTNAME=      libnet-1.2
 CATEGORIES=    devel net
@@ -13,6 +13,14 @@
 USE_LIBTOOL=   yes
 GNU_CONFIGURE= yes
 
+.include "../../mk/bsd.prefs.mk"
+
+.if ${OPSYS} == "Linux"
+CONFIGURE_ARGS+=       --with-link-layer=linux
+.elif exists(/usr/include/net/bpf.h)
+CONFIGURE_ARGS+=       --with-link-layer=bpf
+.endif
+
 .include "options.mk"
 
 .include "../../mk/bsd.pkg.mk"