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[sleepswallow <question237608@xxxxxxxxxxxxxxxxxxxxx>]

Question #237608 on rohc changed:
https://answers.launchpad.net/rohc/+question/237608

Description changed to:
hello Didier:
    I am back and want to get some help,thanks ~~
   
   I want to make  the rohc library to *.so or *.a library, now I meet some matters.

1、 about *.so library 
    I build rohc library on my redhat6.2,and test the *.so (in /usr/lib directroy)library is ok .then I copy librohc_common.so,librohc_common.so.0,librohc_comp.so,librohc_comp.so.0,librohc_decomp.so,librohc_decomp.so.0 to another redhat6.2  (no build rohc library) , and copy the all *.so library to /root/downloads/socall (work directory) and /usr/lib, then I insert work directroy to ld.so.conf and run ldconfig. then I test the *.so librry :
      gcc test.c - o test -L/root/downloads/socall  -lrohc_common  -L/root/downloads/socall  -lrohc_comp -L/root/downloads/socall  -lrohc_decomp -I/root/downloads/socall/include
 error is:
        /usr/bin/ld: cannot find -lrohc_common
       collect2: ld returnd 1 exit status
 
 then ,I copy the *.so files to the /lib  or the /usr/lib ,and insert the *.so paths to ld.so.conf so on, the error is same .

2、about the *.a library
  In redhat6.2  the three directroys(common,comp,decomp), I usr ar -rc  all *.lo to *.a :
  ar -rc libcommon.a  lib*.lo *.lo ....
  ar -rc libcomp.a  lib*.lo  *.lo  ....
  ar -rc libdecomp.a  lib*.lo  ....
 then build  libcommon.a libcomp.a libdecomp.a
 I test the *.a library:
  gcc test.c - o test  -L/root/downloads/socall  -lcommon  -L/root/downloads/socall  -lcomp  -L/root/downloads/socall  -ldecomp 
 error:
   libcommon.a:could not read symbols:Archive has no idex;run ranlib to add one
   collect2: ld returnd 1 exit status
 
  thank Didier very much~~

Regards,
sleepswallow

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