$ git clone git£º//git.osmocom.org/osmo-trx
$ git branch
* master
$ ./configure 
...
checking for LIBOSMOCORE... no
configure: error: Package requirements (libosmocore >= 1.3.0) were not met:

No package 'libosmocore' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.




Then,
check the information of libosmocore:
$dpkg -l |grep libosmocore
ii  libosmocore:amd64                          0.9.0-7                                          amd64        Open Source MObile COMmunications CORE library (metapackage)
ii  libosmocore6:amd64                         0.9.0-7                                          amd64        Osmo Core library

$ sudo apt-get install libosmocore
...
libosmocore has already been the newest version (0.9.0-7)¡£




why???what can i do?