videoP2Proxy error 01

root@Poligon:/home/peejay/Testy/videoP2Proxy# ./autogen.sh
**Warning**: I am going to run `configure' with no arguments.
If you wish to pass any to it, please specify them on the
`./autogen.sh' command line.

processing .
Running aclocal  ...
Running autoheader...
Running automake --foreign  ...
Running autoconf ...
Running ./configure ...
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
checking target system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking whether make supports nested variables... (cached) yes
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking whether gcc understands -c and -o together... yes
checking for style of include used by make... GNU
checking dependency style of gcc... gcc3
checking how to run the C preprocessor... gcc -E
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking dependency style of g++... gcc3
./configure: line 4242: syntax error near unexpected token `JSON_C,json-c'
./configure: line 4242: `PKG_CHECK_MODULES(JSON_C,json-c)'
root@Poligon:/home/peejay/Testy/videoP2Proxy# make
make: *** Nie podano obiektów i nie znaleziono makefile. Stop.
root@Poligon:/home/peejay/Testy/videoP2Proxy#