Error:
gcc -Wall -I/home/kevredon/osmocom-bb/src/shared/libosmocore/include -I/home/kevredon/osmocom-bb/src/shared/libosmocore/include -g -O2 -D_HAVE_GPSD -lgps -o cell_log main.o app_cell_log.o cell_log.o geo.o ../common/liblayer23.a /home/kevredon/osmocom-bb/src/shared/libosmocore/build-host/src/.libs/libosmocore.a /home/kevredon/osmocom-bb/src/shared/libosmocore/build-host/src/gsm/.libs/libosmogsm.a /home/kevredon/osmocom-bb/src/shared/libosmocore/build-host/src/codec/.libs/libosmocodec.a -lm
../common/liblayer23.a(gps.o): In function `osmo_gpsd_cb':
/home/kevredon/osmocom-bb/src/host/layer23/src/common/gps.c:79: undefined reference to `gps_waiting'
Fix:
Holger told me to do so (he knows better then me about autoconf)
- set CFLAGS and LIBS for LIBGPS in layer23
- add libgps CFLAGS and LIBS in Makefile.am for common, misc, mobile
I would have done the following (which also works):
-AC_CHECK_LIB(gps, gps_waiting, CFLAGS+=" -D_HAVE_GPSD" LDFLAGS+=" -lgps",,)
+AC_CHECK_LIB(gps, gps_waiting, CFLAGS+=" -D_HAVE_GPSD" LDFLAGS+=" -lgps" LIBS+=" -lgps",,)