libm is used in cutils.c, but the library was not specified when linking some binaries, throwing the following error:
cutils.o: In function `strtosz_suffix_unit': /home/royger/xen-clean/tools/qemu-xen-dir/cutils.c:354: undefined reference to `__isnan' /home/royger/xen-clean/tools/qemu-xen-dir/cutils.c:357: undefined reference to `modf' collect2: ld returned 1 exit status According to modf man page [0], -lm should be used when linking. librt is used in qemu-time.c, but again the library was not specified at link time, throwing the following error: /home/royger/xen-clean/tools/qemu-xen-dir/qemu-timer.c:597: undefined reference to `timer_gettime' /home/royger/xen-clean/tools/qemu-xen-dir/qemu-timer.c:610: undefined reference to `timer_settime' ../qemu-timer.o: In function `dynticks_start_timer': /home/royger/xen-clean/tools/qemu-xen-dir/qemu-timer.c:565: undefined reference to `timer_create' ../qemu-timer.o: In function `dynticks_stop_timer': /home/royger/xen-clean/tools/qemu-xen-dir/qemu-timer.c:583: undefined reference to `timer_delete' collect2: ld returned 1 exit status According to timer_getttime man page [1], -lrt should be used when linking. [0] http://linux.die.net/man/3/modf [1] http://linux.die.net/man/2/timer_gettime Signed-off-by: Roger Pau Monne <roger....@entel.upc.edu> --- Makefile | 4 ++-- Makefile.target | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 301c75e..e2c3cd4 100644 --- a/Makefile +++ b/Makefile @@ -34,7 +34,7 @@ configure: ; $(call set-vpath, $(SRC_PATH):$(SRC_PATH)/hw) -LIBS+=-lz $(LIBS_TOOLS) +LIBS+=-lz -lm -lrt $(LIBS_TOOLS) ifdef BUILD_DOCS DOCS=qemu-doc.html qemu-tech.html qemu.1 qemu-img.1 qemu-nbd.8 QMP/qmp-commands.txt @@ -170,7 +170,7 @@ test-coroutine: test-coroutine.o qemu-timer-common.o async.o $(coroutine-obj-y) $(qapi-obj-y): $(GENERATED_HEADERS) qapi-dir := $(BUILD_DIR)/qapi-generated test-visitor.o test-qmp-commands.o qemu-ga$(EXESUF): QEMU_CFLAGS += -I $(qapi-dir) -qemu-ga$(EXESUF): LIBS = $(LIBS_QGA) +qemu-ga$(EXESUF): LIBS = $(LIBS_QGA) -lm $(qapi-dir)/test-qapi-types.c $(qapi-dir)/test-qapi-types.h :\ $(SRC_PATH)/qapi-schema-test.json $(SRC_PATH)/scripts/qapi-types.py diff --git a/Makefile.target b/Makefile.target index a111521..95d6bc0 100644 --- a/Makefile.target +++ b/Makefile.target @@ -33,6 +33,8 @@ endif PROGS=$(QEMU_PROG) STPFILES= +LIBS+=-lrt + ifndef CONFIG_HAIKU LIBS+=-lm endif -- 1.7.9
