* installing *source* package 'zmqc' ...
** using staged installation
** libs
gcc -I"/www/rforge/sys/debian-11/usr/R/devel/include" -DNDEBUG -I/usr/local/include -fpic -g -O2 -c zmqc.c -o zmqc.o
zmqc.c:9:10: fatal error: zmq.h: No such file or directory
9 | #include
| ^~~~~~~
compilation terminated.
make: *** [/www/rforge/sys/debian-11/usr/R/devel/etc/Makeconf:168: zmqc.o] Error 1
ERROR: compilation failed for package 'zmqc'
* removing '/zmqc'