Details
Description
The version number is set to undef in the avro-c release for 1.6.0
I downloaded the 1.6.0 tar.gz from http://apache.mirror.aussiehq.net.au//avro/avro-1.6.0/c/avro-c-1.6.0.tar.gz
$ pkg-config --modversion avro-c undef
$ cat /usr/local/lib/pkgconfig/avro-c.pc Name: avro-c Description: C library for parsing Avro data Version: undef URL: http://avro.apache.org/ Libs: -L/usr/local/lib -lavro Cflags: -I/usr/local/include