[Discuss-gnuradio] pkg-config cflags for gnuradio-uhd

[Alexandru Csete]

Greetings,

Lets say I am trying to compile a C++ application that uses gnuradio-core and gnuradio-uhd. I have gnuradio installed in /opt/gnuradio/some-version and uhd installed in /opt/uhd/some-version - both of these paths are within pkg-config reach. The problem is if I do:

pkg-config --cflags gnuradio-core gnuradio-uhd

I get:
-I/opt/gnuradio/3.6.0/include/gnuradio -I/opt/gnuradio/3.6.0/include

which does not include where the UHD headers are located. Consequently, compilation will fail with:
/opt/gnuradio/3.6.0/include/gnuradio/gr_uhd_api.h:25:26: fatal error: uhd/config.hpp: No such file or directory

In this simple case I could just include uhd as dependency but is it really what I am supposed to do or should gnuradio-uhd pull it in automatically?
Also note that the same happens with --ldflags:

pkg-config --libs gnuradio-core gnuradio-uhd
-L/opt/gnuradio/3.6.0/lib -lgnuradio-uhd -lgnuradio-core -lgruel -lfftw3f -lm 

My real problem is that I am trying to build gr-osmosdr from http://cgit.osmocom.org/cgit/gr-osmosdr/ which checks for gnuradio-uhd but not for uhd itself and therefore cmake will not include the UHD paths.

Thanks in advance.

Alex