This commit breaks compilation of iproute2 with net-next.
commit 1ffad83dffd675cd742286ae82dca7d746cb0da8
Author: Mikko Rapeli <mikko.rap...@iki.fi>
Date: Thu Oct 15 07:56:30 2015 +0200
netfilter: fix include files for compilation
Add missing header dependencies and other small changes so that each file
compiles alone in userspace.
Signed-off-by: Mikko Rapeli <mikko.rap...@iki.fi>
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
For iproute2, a copy of kernel headers (from make install_headers) is used.
After this change. the build of x_tables.c fails because IFNAMSIZ is already
defined in net/if.h
gcc -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
-Wold-style-definition -Wformat=2 -O2 -I../include -DRESOLVE_HOSTNAMES
-DLIBDIR=\"/usr/lib\" -DCONFDIR=\"/etc/iproute2\" -D_GNU_SOURCE
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DHAVE_SETNS
-DHAVE_ELF -DCONFIG_GACT -DCONFIG_GACT_PROB -DIPT_LIB_DIR=\"/lib/xtables\"
-DYY_NO_INPUT -Wl,-export-dynamic -shared -fpic -o q_atm.so q_atm.c -latm
gcc -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
-Wold-style-definition -Wformat=2 -O2 -I../include -DRESOLVE_HOSTNAMES
-DLIBDIR=\"/usr/lib\" -DCONFDIR=\"/etc/iproute2\" -D_GNU_SOURCE
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -DHAVE_SETNS
-DHAVE_ELF -DCONFIG_GACT -DCONFIG_GACT_PROB -DIPT_LIB_DIR=\"/lib/xtables\"
-DYY_NO_INPUT -Wl,-export-dynamic -shared -fpic -o m_xt.so m_xt.c $(pkg-config
xtables --cflags --libs)
In file included from ../include/linux/netfilter_ipv4/ip_tables.h:20:0,
from m_xt.c:20:
../include/linux/if.h:26:0: warning: "IFNAMSIZ" redefined
#define IFNAMSIZ 16
^
In file included from m_xt.c:17:0:
/usr/include/net/if.h:129:0: note: this is the location of the previous
definition
# define IFNAMSIZ IF_NAMESIZE
^
../include/linux/if.h:71:2: error: redeclaration of enumerator ‘IFF_UP’
IFF_UP = 1<<0, /* sysfs */
^
/usr/include/net/if.h:44:5: note: previous definition of ‘IFF_UP’ was here
IFF_UP = 0x1, /* Interface is up. */
^
../include/linux/if.h:72:2: error: redeclaration of enumerator ‘IFF_BROADCAST’
IFF_BROADCAST = 1<<1, /* __volatile__ */
^
/usr/include/net/if.h:46:5: note: previous definition of ‘IFF_BROADCAST’ was
here
IFF_BROADCAST = 0x2, /* Broadcast address valid. */
^
../include/linux/if.h:73:2: error: redeclaration of enumerator ‘IFF_DEBUG’
IFF_DEBUG = 1<<2, /* sysfs */
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