Hi,
Cosma wrote:
> Hello,
> 
> I'm trying to compile the latest v4l from sources, but always getting
> those errors:
> 
> WARNING: "__gcov_merge_add"
> [/home/cosma/v4l/v4l-dvb-experimental/em28xx.ko] undefined!
> WARNING: "__gcov_init" [/home/cosma/v4l/v4l-dvb-experimental/em28xx.ko]
> undefined!
> 
> I'm using the 2.7.27 kernel on an ArchLinux box... (also added the
> missing dvb headers from the vanilla kernel).

Please apply the attached patch:

Remove the accidentally added CFLAGS for code coverage measurements.

Regards,

        Márton Németh
diff -r 4256de334756 Makefile
--- a/Makefile	Thu Dec 25 12:54:46 2008 +0100
+++ b/Makefile	Sun Dec 28 09:32:47 2008 +0100
@@ -56,7 +56,7 @@
 
 EXTRA_CFLAGS += -I$(PWD)/include -I$(SDIR)/drivers/media/video -I$(SDIR)/drivers/media/dvb/frontends -I$(SDIR)/drivers/media/dvb/dvb-core -I$(SDIR)/drivers/media/tuners/ -Iinclude/linux -Idrivers/media/video -Idrivers/media/dvb/frontends -Idrivers/media/dvb/dvb-core -Idrivers/media/tuners/ -Iinclude/linux -Wall -DCONFIG_DVB_ZL10353 -DCONFIG_DVB_DRX3973D -DDRXD_TYPE_B -DDRXD_TYPE_A  -DCONFIG_DVB_LGDT3304 -DCONFIG_MEDIA_TUNER_QT1010 -DCONFIG_DVB_TUNER_MT2060 -DCONFIG_DVB_S921
 #EXTRA_CFLAGS += $(GCOV_FLAGS)
-EXTRA_CFLAGS += -fprofile-arcs -ftest-coverage
+#EXTRA_CFLAGS += -fprofile-arcs -ftest-coverage
 export EXTRA_CFLAGS
 
 KDIR    := /lib/modules/$(KVER)/build
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