yes checking for pj_init_plus in -lproj... yes configure: PROJ.4 version: > 4.8.0 /tmp/ccsGVxP9.o: In function `main': /tmp/RtmpOqwz92/R.INSTALL23317ae38fc4/rgdal/proj_conf_test.c:20: undefined reference to `pj_ctx_fclose' collect2: error: ld returned 1 ...