[Bridge] Building 1.1 ?

[Stephen Hemminger]

On Tue, 30 May 2006 15:28:05 -0600
"JPP" <jpp1 at frws.com> wrote:

> Good day Folks!
> 
> Working on a bridging firewall/gateway and attempting to solve the age-old 
> mystery of whether I can get NAT to work across a gateway that has 2 NICs and 
> requires a bridge...
> 
> Upside is, I have the gateway working, bridging works (as does OpenVPN using 
> that bridge). But NAT does not in Fedora Core 4...
> >From dmesg: Linux version 2.6.11-1.1369_FC4
> 
> So I went to the website and downloaded the 1.1 source to build it. It needed 
> libsysfs.h and it was not on my server.
> Went to the libsysfs website and downloaded 2.0 and built it with no obvious 
> issues. The .h file is now there.
> Back to brctl and building it.
> 
> ./configure --prefix=/usr
> Works like a champ. No errors.
> 
> make (errors - looks like one big one)
> 
> for x in libbridge brctl doc; do make  -C $x ; done
> make[1]: Entering directory `/software/bridge/bridge-utils-1.1/libbridge'
> gcc -Wall -g -I/usr/src/linux/include  -c libbridge_devif.c
> In file included from libbridge_devif.c:28:
> libbridge_private.h:39:2: error: #error Using wrong kernel headers if_bridge.h
> libbridge_private.h:43:2: error: #error Using wrong kernel headers sockios.h 
> is
> libbridge_devif.c: In function âbr_get_bridge_infoâ:
> libbridge_devif.c:196: error: âSYSFS_BRIDGE_ATTRâ undeclared (first use in 
> this
> libbridge_devif.c:196: error: (Each undeclared identifier is reported only 
> once
> libbridge_devif.c:196: error: for each function it appears in.)
> libbridge_devif.c:196: error: syntax error before string constant
> libbridge_devif.c:197: error: syntax error before string constant
> libbridge_devif.c:198: error: syntax error before string constant
> libbridge_devif.c:199: error: syntax error before string constant
> libbridge_devif.c:200: error: syntax error before string constant
> libbridge_devif.c:201: error: syntax error before string constant
> libbridge_devif.c:202: error: syntax error before string constant
> libbridge_devif.c:203: error: syntax error before string constant
> libbridge_devif.c:204: error: syntax error before string constant
> libbridge_devif.c:205: error: syntax error before string constant
> libbridge_devif.c:206: error: syntax error before string constant
> libbridge_devif.c:207: error: syntax error before string constant
> libbridge_devif.c:208: error: syntax error before string constant
> libbridge_devif.c:210: error: syntax error before string constant
> libbridge_devif.c:212: error: syntax error before string constant
> libbridge_devif.c:213: error: syntax error before string constant
> libbridge_devif.c:214: error: syntax error before string constant
> libbridge_devif.c:216: error: syntax error before string constant
> libbridge_devif.c: In function âbr_get_port_infoâ:
> libbridge_devif.c:296: error: âSYSFS_BRIDGE_PORT_ATTRâ undeclared (first use 
> in
> libbridge_devif.c:296: error: syntax error before string constant
> libbridge_devif.c:297: error: syntax error before string constant
> libbridge_devif.c:298: error: syntax error before string constant
> libbridge_devif.c:299: error: syntax error before string constant
> libbridge_devif.c:300: error: syntax error before string constant
> libbridge_devif.c:301: error: syntax error before string constant
> libbridge_devif.c:302: error: syntax error before string constant
> libbridge_devif.c:303: error: syntax error before string constant
> libbridge_devif.c:304: error: syntax error before string constant
> libbridge_devif.c:305: error: syntax error before string constant
> libbridge_devif.c:306: error: syntax error before string constant
> libbridge_devif.c:308: error: syntax error before string constant
> libbridge_devif.c:310: error: syntax error before string constant
> libbridge_devif.c: In function âbr_read_fdbâ:
> libbridge_devif.c:468: error: âSYSFS_BRIDGE_FDBâ undeclared (first use in this
> make[1]: *** [libbridge_devif.o] Error 1
> make[1]: Leaving directory `/software/bridge/bridge-utils-1.1/libbridge'
> make[1]: Entering directory `/software/bridge/bridge-utils-1.1/brctl'
> make[1]: *** No rule to make target `../libbridge/libbridge.a', needed by 
> `brct
> make[1]: Leaving directory `/software/bridge/bridge-utils-1.1/brctl'
> make[1]: Entering directory `/software/bridge/bridge-utils-1.1/doc'
> make[1]: Nothing to be done for `all'.
> make[1]: Leaving directory `/software/bridge/bridge-utils-1.1/doc'
> 
> Apparently it does not like something...
> Any ideas?
> Did a make clean and configure again
> Re-downloaded and unpacked the source - same error(s).
> 
> Would like to get some form of NAT working between this kernel, iptables 1.3.0 
> and bridge utils.
> Any help would be appreciated!
> 
> Thank you.
> Jerome

Fedora has shipped old kernel headers (for a long time).  The easiest (but
gross) fix is to change the Makefile to point to a kernel source tree with
by using -H/usr/src/...

or copy an newer version of if_bridge.h from kernel source to /usr/include/linux