libbsd Makefile issues

Joel Sherrill joel.sherrill at oarcorp.com
Tue Jun 23 18:19:04 UTC 2015



On 6/23/2015 1:18 PM, Joel Sherrill wrote:
>
>
> On 6/23/2015 1:09 PM, Gene Smith wrote:
>> On 06/23/2015 11:28 AM, Joel Sherrill wrote:
>>> Hi
>>>
>>> I decided to take a look at this and spotted what I think are at least
>>> two mistakes but when I fixed them, I got a build error.
>>>
>>> Help appreciated:
>>>
>>> Makefile.diff attached. But it then fails like this:
>>>
>>> $ make
>>> i386-rtems4.11-gcc --pipe
>>> -B/home/joel/rtems-4.11-work/bsp-install/i386-rtems4.11/pc386/lib/
>>> -specs bsp_specs -qrtems     -mtune=i386      -Wall  -O2 -g
>>> -fno-strict-aliasing -ffreestanding -fno-common -Irtemsbsd/include
>>> -Irtemsbsd/i386/include -Ifreebsd/sys -Ifreebsd/sys/i386/include
>>> -Ifreebsd/sys/contrib/altq -Ifreebsd/sys/contrib/pf -Ifreebsd/include
>>> -Ifreebsd/lib/libc/include -Ifreebsd/lib/libc/isc/include
>>> -Ifreebsd/lib/libc/resolv -Ifreebsd/lib/libutil -Ifreebsd/lib/libkvm
>>> -Ifreebsd/lib/libmemstat -Ifreebsd/lib/libipsec -Irtemsbsd/sys
>>> -ImDNSResponder/mDNSCore -ImDNSResponder/mDNSShared
>>> -ImDNSResponder/mDNSPosix -Itestsuite/include -DHAVE_RTEMS_PCI_H=1 -Wall
>>> -Wno-format -MT freebsd/contrib/libpcap/scanner.o -MD -MP -MF
>>> freebsd/contrib/libpcap/scanner.d -std=gnu11 -D__FreeBSD__=1 -DBSD=1
>>> -DINET6 -D_U_="__attribute__((unused))" -DHAVE_LIMITS_H=1
>>> -DHAVE_INTTYPES=1 -DHAVE_STDINT=1 -DHAVE_STRERROR=1 -DHAVE_STRLCPY=1
>>> -DHAVE_SNPRINTF=1 -DHAVE_VSNPRINTF=1 -DHAVE_SOCKADDR_SA_LEN=1 -DHAVE
>>> _NET_IF_MEDIA_H=1 -DHAVE_SYS_IOCCOM_H=1 -DNEED_YYPARSE_WRAPPER=1
>>> -Dyylval=pcap_lval -c freebsd/contrib/libpcap/scanner.c -o
>>> freebsd/contrib/libpcap/scanner.o
>>> In file included from ../../freebsd/contrib/libpcap/scanner.l:51:0:
>>> freebsd/contrib/libpcap/pcap-int.h:39:23: fatal error: pcap/pcap.h: No
>>> such file or directory
>>>     #include <pcap/pcap.h>
>>>
>>
>> Here's the things I did to fix the Makefile. I think you added the
>> quotes (item 1) and maybe item 2. I think the error you are seeing is
>> due to item 3 since it can't find pcap.h.
>>
>> 1) Everywhere the string "-D_U_=__attribute__((unused))" appears in the
>> rules it needs to be quoted. It appears in almost every rule so there
>> are maybe 100s of them. (I used single quotes, FWIW.)
>>
>> 2) Everywhere sting "freebsd/usr.sbin/tcpdump/tcpdump-D__FreeBSD__=1"
>> appears it needs have a space inserted:
>> "freebsd/usr.sbin/tcpdump/tcpdump -D__FreeBSD__=1"
>> Quotes aren't required. Again, there a many of these.
>>
>> 3) Several include paths need to be added:
>> COMMON_FLAGS += -Ifreebsd/contrib/libpcap
>> COMMON_FLAGS += -Irtemsbsd/sys
>> COMMON_FLAGS += -Ifreebsd/usr.sbin/tcpdump/tcpdump
>> COMMON_FLAGS += -Ifreebsd/contrib/tcpdump
>> COMMON_FLAGS += -Ibuild/arm-rtems4.11-realview_pbx_a9_qemu/testsuite/include
>> (The last one contains the bsp name so probably needs to be more
>> general, but seems to work ok as an ad hoc fix.)
>
> I could repeat those steps but if you have a patch, I am
> happy to push it.
>
> Please.. patch. :)

I forgot this is generated. So the mistakes need to be accounted
for in the generator.

> Is it working for you on some target?
>
>> _______________________________________________
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>> devel at rtems.org
>> http://lists.rtems.org/mailman/listinfo/devel
>>
>

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
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