mirror of https://gitee.com/openkylin/linux.git
bb69ee27b9
There are a large number of reports that the media build is
not compiling when some drivers are compiled as builtin, while
the needed frontends are compiled as module.
On the last one of such reports:
From: kbuild test robot <fengguang.wu@intel.com>
Subject: saa7134-dvb.c:undefined reference to `zl10039_attach'
The .config file has:
CONFIG_VIDEO_SAA7134=y
CONFIG_VIDEO_SAA7134_DVB=y
# CONFIG_MEDIA_ATTACH is not set
CONFIG_DVB_ZL10039=m
And it produces all those errors:
drivers/built-in.o: In function `set_type':
tuner-core.c:(.text+0x2f263e): undefined reference to `tea5767_attach'
tuner-core.c:(.text+0x2f273e): undefined reference to `tda9887_attach'
drivers/built-in.o: In function `tuner_probe':
tuner-core.c:(.text+0x2f2d20): undefined reference to `tea5767_autodetection'
drivers/built-in.o: In function `av7110_attach':
av7110.c:(.text+0x330bda): undefined reference to `ves1x93_attach'
av7110.c:(.text+0x330bf7): undefined reference to `stv0299_attach'
av7110.c:(.text+0x330c63): undefined reference to `tda8083_attach'
av7110.c:(.text+0x330d09): undefined reference to `ves1x93_attach'
av7110.c:(.text+0x330d33): undefined reference to `tda8083_attach'
av7110.c:(.text+0x330d5d): undefined reference to `stv0297_attach'
av7110.c:(.text+0x330dbe): undefined reference to `stv0299_attach'
drivers/built-in.o: In function `tuner_attach_dtt7520x':
ngene-cards.c:(.text+0x3381cb): undefined reference to `dvb_pll_attach'
drivers/built-in.o: In function `demod_attach_lg330x':
ngene-cards.c:(.text+0x33828a): undefined reference to `lgdt330x_attach'
drivers/built-in.o: In function `demod_attach_stv0900':
ngene-cards.c:(.text+0x3383d5): undefined reference to `stv090x_attach'
drivers/built-in.o: In function `cineS2_probe':
ngene-cards.c:(.text+0x338b7f): undefined reference to `drxk_attach'
drivers/built-in.o: In function `configure_tda827x_fe':
saa7134-dvb.c:(.text+0x346ae7): undefined reference to `tda10046_attach'
drivers/built-in.o: In function `dvb_init':
saa7134-dvb.c:(.text+0x347283): undefined reference to `mt352_attach'
saa7134-dvb.c:(.text+0x3472cd): undefined reference to `mt352_attach'
saa7134-dvb.c:(.text+0x34731c): undefined reference to `tda10046_attach'
saa7134-dvb.c:(.text+0x34733c): undefined reference to `tda10046_attach'
saa7134-dvb.c:(.text+0x34735c): undefined reference to `tda10046_attach'
saa7134-dvb.c:(.text+0x347378): undefined reference to `tda10046_attach'
saa7134-dvb.c:(.text+0x3473db): undefined reference to `tda10046_attach'
drivers/built-in.o:saa7134-dvb.c:(.text+0x347502): more undefined references to `tda10046_attach' follow
drivers/built-in.o: In function `dvb_init':
saa7134-dvb.c:(.text+0x347812): undefined reference to `mt352_attach'
saa7134-dvb.c:(.text+0x347951): undefined reference to `mt312_attach'
saa7134-dvb.c:(.text+0x3479a9): undefined reference to `mt312_attach'
>> saa7134-dvb.c:(.text+0x3479c1): undefined reference to `zl10039_attach'
This is happening because a builtin module can't use directly a symbol
found on a module. By enabling CONFIG_MEDIA_ATTACH, the configuration
becomes valid, as dvb_attach() macro loads the module if needed, making
the symbol available to the builtin module.
While this bug started to appear after the patches that use IS_DEFINED
macro (like changeset
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| e4000.c | ||
| e4000.h | ||
| e4000_priv.h | ||
| fc001x-common.h | ||
| fc0011.c | ||
| fc0011.h | ||
| fc0012-priv.h | ||
| fc0012.c | ||
| fc0012.h | ||
| fc0013-priv.h | ||
| fc0013.c | ||
| fc0013.h | ||
| fc2580.c | ||
| fc2580.h | ||
| fc2580_priv.h | ||
| max2165.c | ||
| max2165.h | ||
| max2165_priv.h | ||
| mc44s803.c | ||
| mc44s803.h | ||
| mc44s803_priv.h | ||
| mt20xx.c | ||
| mt20xx.h | ||
| mt2060.c | ||
| mt2060.h | ||
| mt2060_priv.h | ||
| mt2063.c | ||
| mt2063.h | ||
| mt2131.c | ||
| mt2131.h | ||
| mt2131_priv.h | ||
| mt2266.c | ||
| mt2266.h | ||
| mxl5005s.c | ||
| mxl5005s.h | ||
| mxl5007t.c | ||
| mxl5007t.h | ||
| qt1010.c | ||
| qt1010.h | ||
| qt1010_priv.h | ||
| r820t.c | ||
| r820t.h | ||
| tda827x.c | ||
| tda827x.h | ||
| tda8290.c | ||
| tda8290.h | ||
| tda9887.c | ||
| tda9887.h | ||
| tda18212.c | ||
| tda18212.h | ||
| tda18218.c | ||
| tda18218.h | ||
| tda18218_priv.h | ||
| tda18271-common.c | ||
| tda18271-fe.c | ||
| tda18271-maps.c | ||
| tda18271-priv.h | ||
| tda18271.h | ||
| tea5761.c | ||
| tea5761.h | ||
| tea5767.c | ||
| tea5767.h | ||
| tua9001.c | ||
| tua9001.h | ||
| tua9001_priv.h | ||
| tuner-i2c.h | ||
| tuner-simple.c | ||
| tuner-simple.h | ||
| tuner-types.c | ||
| tuner-xc2028-types.h | ||
| tuner-xc2028.c | ||
| tuner-xc2028.h | ||
| tuner_it913x.c | ||
| tuner_it913x.h | ||
| tuner_it913x_priv.h | ||
| xc4000.c | ||
| xc4000.h | ||
| xc5000.c | ||
| xc5000.h | ||