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Kevin Redon ml at mail.tsaitgaist.info[PATCH] Fix linking with GNU ld 2.22 and libgps 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",,) --- src/host/layer23/configure.ac | 5 ++++- src/host/layer23/src/common/Makefile.am | 2 +- src/host/layer23/src/misc/Makefile.am | 4 ++-- src/host/layer23/src/mobile/Makefile.am | 4 ++-- 4 files changed, 9 insertions(+), 6 deletions(-) diff --git a/src/host/layer23/configure.ac b/src/host/layer23/configure.ac index b50868a..9335e66 100644 --- a/src/host/layer23/configure.ac +++ b/src/host/layer23/configure.ac @@ -17,7 +17,10 @@ PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore) PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty) PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm) PKG_CHECK_MODULES(LIBOSMOCODEC, libosmocodec) -AC_CHECK_LIB(gps, gps_waiting, CFLAGS+=" -D_HAVE_GPSD" LDFLAGS+=" -lgps",,) +AC_CHECK_LIB(gps, gps_waiting, LIBGPS_CFLAGS=" -D_HAVE_GPSD" LIBGPS_LIBS=" -lgps ",,) +AC_SUBST([LIBGPS_CFLAGS]) +AC_SUBST([LIBGPS_LIBS]) + dnl checks for header files AC_HEADER_STDC diff --git a/src/host/layer23/src/common/Makefile.am b/src/host/layer23/src/common/Makefile.am index 73a0fc9..8d96ed2 100644 --- a/src/host/layer23/src/common/Makefile.am +++ b/src/host/layer23/src/common/Makefile.am @@ -1,5 +1,5 @@ INCLUDES = $(all_includes) -I$(top_srcdir)/include -AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) +AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBGPS_CFLAGS) noinst_LIBRARIES = liblayer23.a liblayer23_a_SOURCES = l1ctl.c l1l2_interface.c sap_interface.c \ diff --git a/src/host/layer23/src/misc/Makefile.am b/src/host/layer23/src/misc/Makefile.am index 0b59f38..d8fb322 100644 --- a/src/host/layer23/src/misc/Makefile.am +++ b/src/host/layer23/src/misc/Makefile.am @@ -1,6 +1,6 @@ INCLUDES = $(all_includes) -I$(top_srcdir)/include -AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) -LDADD = ../common/liblayer23.a $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) $(LIBOSMOCODEC_LIBS) +AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBGPS_CFLAGS) +LDADD = ../common/liblayer23.a $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) $(LIBOSMOCODEC_LIBS) $(LIBGPS_LIBS) bin_PROGRAMS = bcch_scan ccch_scan echo_test cell_log cbch_sniff diff --git a/src/host/layer23/src/mobile/Makefile.am b/src/host/layer23/src/mobile/Makefile.am index f3365af..8920c54 100644 --- a/src/host/layer23/src/mobile/Makefile.am +++ b/src/host/layer23/src/mobile/Makefile.am @@ -1,6 +1,6 @@ INCLUDES = $(all_includes) -I$(top_srcdir)/include -AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) -LDADD = ../common/liblayer23.a $(LIBOSMOCORE_LIBS) $(LIBOSMOVTY_LIBS) $(LIBOSMOGSM_LIBS) $(LIBOSMOCODEC_LIBS) +AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBGPS_CFLAGS) +LDADD = ../common/liblayer23.a $(LIBOSMOCORE_LIBS) $(LIBOSMOVTY_LIBS) $(LIBOSMOGSM_LIBS) $(LIBOSMOCODEC_LIBS) $(LIBGPS_LIBS) noinst_LIBRARIES = libmobile.a libmobile_a_SOURCES = gsm322.c gsm480_ss.c gsm411_sms.c gsm48_cc.c gsm48_mm.c \ -- 1.7.9.5