[Bug 194187] New: [arm] devel/libgtop using the wrong definitions for struct ifnet

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194187

            Bug ID: 194187
           Summary: [arm] devel/libgtop using the wrong definitions for
                    struct ifnet
           Product: Ports Tree
           Version: Latest
          Hardware: arm
               URL: http://chips.ysv.freebsd.org/data/11armv6-default/2014
                    -10-05_21h42m23s/logs/errors/libgtop-2.28.4_2.log
                OS: Any
            Status: Needs Triage
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: gnome at FreeBSD.org
          Reporter: sbruno at FreeBSD.org
          Assignee: gnome at FreeBSD.org
             Flags: maintainer-feedback?(gnome at FreeBSD.org)

somehow, when compiling for ARMv6, libgtop is assuming that struct ifnet has
elements that are not defined on FreeBSD.  Probably these are linux definitions
that are being brought in when assuming that ARM==linux?

libtool: compile:  /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I../.. -I../..
-I../.. -I../../sysdeps/freebsd -I../../include -I/usr/local/include/glib-2.0
-I/usr/local/include -I/usr/local/include -I/usr/local/include
-DHAVE_NET_IF_VAR_H -D_WANT_IFADDR -Winline -Wall -std=gnu89 -Wchar-subscripts
-Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith
-Wcast-align -Wsign-compare -O -pipe -MT procmap.lo -MD -MP -MF
.deps/procmap.Tpo -c procmap.c -o procmap.o >/dev/null 2>&1
mv -f .deps/procmap.Tpo .deps/procmap.Plo
/bin/sh ../../libtool --tag=CC   --mode=compile /nxb-bin/usr/bin/cc
-DHAVE_CONFIG_H -I. -I../.. -I../.. -I../.. -I../../sysdeps/freebsd
-I../../include -I/usr/local/include/glib-2.0 -I/usr/local/include   
-I/usr/local/include  -I/usr/local/include -DHAVE_NET_IF_VAR_H -D_WANT_IFADDR 
-Winline     -Wall     -std=gnu89     -Wchar-subscripts -Wmissing-declarations
-Wmissing-prototypes     -Wnested-externs -Wpointer-arith     -Wcast-align
-Wsign-compare     -O -pipe  -MT netload.lo -MD -MP -MF .deps/netload.Tpo -c -o
netload.lo netload.c
libtool: compile:  /nxb-bin/usr/bin/cc -DHAVE_CONFIG_H -I. -I../.. -I../..
-I../.. -I../../sysdeps/freebsd -I../../include -I/usr/local/include/glib-2.0
-I/usr/local/include -I/usr/local/include -I/usr/local/include
-DHAVE_NET_IF_VAR_H -D_WANT_IFADDR -Winline -Wall -std=gnu89 -Wchar-subscripts
-Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith
-Wcast-align -Wsign-compare -O -pipe -MT netload.lo -MD -MP -MF
.deps/netload.Tpo -c netload.c  -fPIC -DPIC -o .libs/netload.o
netload.c:182:41: error: no member named 'if_ipackets' in 'struct ifnet'
                buf->packets_in = ifnet.if_ipackets;
                                  ~~~~~ ^
netload.c:183:42: error: no member named 'if_opackets' in 'struct ifnet'
                buf->packets_out = ifnet.if_opackets;
                                   ~~~~~ ^
netload.c:186:39: error: no member named 'if_ibytes' in 'struct ifnet'
                buf->bytes_in = ifnet.if_ibytes;
                                ~~~~~ ^
netload.c:187:40: error: no member named 'if_obytes' in 'struct ifnet'
                buf->bytes_out = ifnet.if_obytes;
                                 ~~~~~ ^
netload.c:190:40: error: no member named 'if_ierrors' in 'struct ifnet'
                buf->errors_in = ifnet.if_ierrors;
                                 ~~~~~ ^
netload.c:191:41: error: no member named 'if_oerrors' in 'struct ifnet'
                buf->errors_out = ifnet.if_oerrors;
                                  ~~~~~ ^
netload.c:194:41: error: no member named 'if_collisions' in 'struct ifnet'
                buf->collisions = ifnet.if_collisions;
                                  ~~~~~ ^
netload.c:211:58: warning: cast from 'struct sockaddr *' to 'struct sockaddr_dl
*' increases required alignment from 1 to 2 [-Wcast-align]
                                struct sockaddr_dl *dl = (struct sockaddr_dl *)
sa;
                                                        
^~~~~~~~~~~~~~~~~~~~~~~~~
netload.c:217:39: warning: cast from 'struct sockaddr *' to 'struct sockaddr_in
*' increases required alignment from 1 to 4 [-Wcast-align]
                                sin = (struct sockaddr_in *)sa;
                                      ^~~~~~~~~~~~~~~~~~~~~~~~
netload.c:225:61: warning: cast from 'struct sockaddr *' to 'struct
sockaddr_in6 *' increases required alignment from 1 to 4 [-Wcast-align]
                                struct sockaddr_in6 *sin6 = (struct
sockaddr_in6 *) sa;
                                                           
^~~~~~~~~~~~~~~~~~~~~~~~~~
3 warnings and 7 errors generated.
gmake[4]: *** [netload.lo] Error 1
gmake[4]: Leaving directory
`/wrkdirs/usr/ports/devel/libgtop/work/libgtop-2.28.4/sysdeps/freebsd'
gmake[3]: *** [all-recursive] Error 1
gmake[3]: Leaving directory
`/wrkdirs/usr/ports/devel/libgtop/work/libgtop-2.28.4/sysdeps'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory
`/wrkdirs/usr/ports/devel/libgtop/work/libgtop-2.28.4'
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory
`/wrkdirs/usr/ports/devel/libgtop/work/libgtop-2.28.4'
*** Error code 1

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