[vz-dev] vzlogger 0.4.0?

[Andreas Götz]

Hallo Matthias,

Könntest Du hier mal ein Auge drauf werfen? Scheint als würden die Optionen vom cmake nicht als gcc defines ankommen?

Viele Grüße, Andreas




> Am 09.12.2014 um 21:48 schrieb Ralf G. R. Bergs <Ralf+VolksZaehler at bergs.biz>:
> 
> Hi Andreas.
> 
>> On 2014-12-09 16:01 , Andreas Götz wrote:
>> 
>>> Any further advice how to "force" vzlogger to include and enable the
>>> microhttpd code when I compile it on the RPi?
>> In general it is helpful to tell us what you _did_ try instead of us guessing what else you might do.
> I wanted to send the pastebin URL, but it had expired. I think I set it
> to one week since I hadn't expected I needed it after that time still... :-(
> 
> I can still remember that you could see that
> 
>> Also an error or problem description is a good idea.
>> 
>> Looking at https://github.com/volkszaehler/vzlogger/blob/master/src/vzlogger.cpp I'm sure you have LOCAL_SUPPORT enabled?
> Yes, I had that enabled.
> 
>> On 2014-12-09 17:25 , Andreas Götz wrote:
>> Ps.: cmake -DENABLE_LOCAL könnte funktionieren, nicht getestet.
> I tried that as well, but to no avail. :-(
> 
> I've now tried to repeat what I did:
>> pi at rpi ~/work/vzlogger $ cmake -DENABLE_LOCAL=on
>> Compiling for target ''
>> -- checking if -Wno-ignored-qualifiers works
>> -- FindSml check
>> -- checking for module 'sml>=0.9'
>> --   package 'sml>=0.9' not found
>> -- SML_HOME is not empty: "/home/pi/work/libsml/sml"
>> -- Looking for sml in /home/pi/work/libsml/sml
>> -- FindMicrohttpd check
>> -- checking for module 'libmicrohttpd-dev>=0.9'
>> --   package 'libmicrohttpd-dev>=0.9' not found
>> -- MICROHTTPD_HOME env is not set, setting it to /usr/local
>> -- Looking for microhttpd in /usr
>> -- FindJson check
>> -- JSON_HOME env is not set, setting it to /usr/local
>> -- Looking for json in /usr/local
>> Jsoon search:
>> '/usr/local/include;/usr/local/include;/usr/local/include;/usr/include'
>> -- FindCURL check
>> -- ==> ''
>> -- CURL_HOME env is not set, setting it to /usr/local
>> -- Looking for curl in /usr/local
>> ==>
>> CURL_LIBRARIES='/usr/lib/arm-linux-gnueabihf/libcurl.a;/usr/lib/arm-linux-gnueabihf/libidn.a;/usr/lib/arm-linux-gnueabihf/libssh2.a;/usr/lib/arm-linux-gnueabihf/liblber.a;/usr/lib/arm-linux-gnueabihf/libldap.a;/usr/lib/arm-linux-gnueabihf/librt.a;-lgssapi_krb5;-lkrb5;-lk5crypto;/usr/lib/arm-linux-gnueabihf/libcom_err.a;/usr/lib/arm-linux-gnueabihf/libssl.a;/usr/lib/arm-linux-gnueabihf/libcrypto.a;/usr/lib/arm-linux-gnueabihf/librtmp.a;/usr/lib/arm-linux-gnueabihf/libz.a;/usr/lib/arm-linux-gnueabihf/libgnutls.a'
>> -- FindGnuTls check
>> -- ==> ''
>> -- GNUTLS_HOME env is not set, setting it to /usr/local
>> -- Looking for gnutls in /usr/local
>> ==>
>> GNUTLS_LIBRARIES='/usr/lib/arm-linux-gnueabihf/libgnutls.a;/lib/arm-linux-gnueabihf/libgcrypt.a;/usr/lib/arm-linux-gnueabihf/libgpg-error.a;/usr/lib/arm-linux-gnueabihf/libtasn1.a;/usr/lib/arm-linux-gnueabihf/libz.a;-lp11-kit;-lsasl2;/lib/arm-linux-gnueabihf/libgcrypt.a'
>> 
>>        ***** Configuration parameters *****
>>             prefix: /usr/local
>>             json: -L/usr/lib/arm-linux-gnueabihf/libjson.a;-lrt
>> -I/usr/include
>>             sml:  -L/home/pi/work/libsml/sml/lib/libsml.a;-lrt
>> -I/home/pi/work/libsml/sml/include
>>             microhttpd:
>> -L/usr/lib/arm-linux-gnueabihf/libmicrohttpd.a;-lrt -I/usr/include
>> -- Configuring done
>> -- Generating done
>> -- Build files have been written to: /home/pi/work/vzlogger
> The static library for microhttpd exists at the location specified above:
>> /usr/lib/arm-linux-gnueabihf/libmicrohttpd.a
> I've now recompiled everything, here's the new output:
>> http://pastebin.com/y6vPBvF9
> As you can see the microhttpd library is actually linked into the
> vzlogger binary:
>> /usr/bin/c++    -W -Wall -Wextra -Werror -Wnon-virtual-dtor
>> -Wno-system-headers -Winit-self -Wmissing-include-dirs -Wno-pragmas
>> -Wredundant-decls -Wno-unused-parameter -std=c++0x -fpermissive
>> -Wno-ignored-qualifiers    CMakeFiles/vzlogger.dir/vzlogger.cpp.o
>> CMakeFiles/vzlogger.dir/ltqnorm.cpp.o
>> CMakeFiles/vzlogger.dir/Meter.cpp.o  -o vzlogger -rdynamic
>> protocols/libproto.a libvz.a api/libvz-api.a -Wl,-Bstatic -ljson
>> -Wl,-Bdynamic -lrt /home/pi/work/libsml/sml/lib/libsml.a -lrt
>> -Wl,-Bstatic -lmicrohttpd -Wl,-Bdynamic -lrt -lgcrypt -lpthread -lm
>> -luuid -ldl -Wl,-Bstatic -lcurl -lidn -lssh2 -llber -lldap -lrt
>> -Wl,-Bdynamic -lgssapi_krb5 -lkrb5 -lk5crypto -Wl,-Bstatic -lcom_err
>> -lssl -lcrypto -lrtmp -lz -lgnutls -lgnutls -lgcrypt -lgpg-error
>> -ltasn1 -lz -Wl,-Bdynamic -lp11-kit -lsasl2 -Wl,-Bstatic -lgcrypt
>> -Wl,-Bdynamic /home/pi/work/libsml/sml/lib/libsml.a -Wl,-Bstatic
>> -lmicrohttpd -Wl,-Bdynamic -lgcrypt -lpthread -lm -luuid -ldl
>> -Wl,-Bstatic -lcurl -lidn -lssh2 -llber -lldap -lrt -Wl,-Bdynamic
>> -lgssapi_krb5 -lkrb5 -lk5crypto -Wl,-Bstatic -lcom_err -lssl -lcrypto
>> -lrtmp -lz -lgnutls -lgcrypt -lgpg-error -ltasn1 -Wl,-Bdynamic
>> -lp11-kit -lsasl2 -Wl,-Bstatic -lz -lgnutls -lgcrypt -lgpg-error
>> -ltasn1 -Wl,-Bdynamic -lp11-kit -lsasl2
> I checked by manually including "-lfoobar" that the c++ compiler
> actually barfs out if it can't find a library specified on the command
> line -- this is indeed the case, so the c++ compiler must have found
> -lmicrohttpd when the above command line was executed.
> 
> Doing a "strings" on the vzlogger binary also seems to suggest that the
> microhttpd code is not included -- I can't find any of some
> characteristic strings in the microhttpd.a file
> 
> I've now done it the brutal way, and finally succeeded: I explicitly
> #define'd  LOCAL_SUPPORT in the .cpp file and recompiled vzlogger again
> -- and finally microhttpd is enabled:
>> vzlogger 4231 vzlogger    5u  IPv4  13104      0t0  TCP *:http-alt
>> (LISTEN)
> The following now works:
>> $ curl http://rpi:8080/
>> { "version": "0.3.9", "generator": "vzlogger", "data": [ { "uuid":
>> "72b84f00-78cf-11e4-828e-b5e03ccbd224", "last": 1418158003.977436,
>> "interval": 15, "protocol": "sml" }, { "uuid":
>> "442811a0-7882-11e4-8cbb-4fd2114e6edc", "last": 1418158003.977476,
>> "interval": 15, "protocol": "sml" }, { "uuid":
>> "8d571aa0-7882-11e4-9755-1fd3ed3c5076", "last": 1418158003.977484,
>> "interval": 15, "protocol": "sml" }, { "uuid":
>> "9468cfb0-7882-11e4-8021-c54e0227b4a7", "last": 1418158003.977492,
>> "interval": 15, "protocol": "sml" }, { "uuid":
>> "d0bfd3e0-7882-11e4-8eb8-c32561418f40", "last": 1418158003.977467,
>> "interval": 15, "protocol": "sml" } ] }
> Now I can use Cacti to visualize the data so that I have everything in
> one place...
> 
> Maybe this helps people who have the same issue as I had...
> 
> KR,
> 
> Ralf
> 
>