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authorTrent Piepho <xyzzy@speakeasy.org>2007-06-27 14:09:54 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-28 11:34:53 -0700
commit59faba1b316a7798a33752b3889193333f8af1a0 (patch)
treeaa62041bf8c66f18cb78e97fe6ebfccc0f4d13f7 /drivers/media/dvb
parent30acbabae38793c9c9acace4de5b1c1889570768 (diff)
Fix Kconfig dependency problems wrt boolean menuconfigs
If one has a dependency chain (tristate)FOO depends on (bool)BAR depends on (tristate)BAZ, build problems will result. If BAZ=m, then BAR can be set y, which allows FOO=y. It's possible to have FOO=y && BAZ=m, which wouldn't be allowed if FOO depended directly on BAZ. In effect, the bool promotes the tristate from m to y. This ends up causing a problem with several menuconfigs that look like: menuconfig BAR bool depends on BAZ [tristate] if BAR config FOO tristate endif The solution used here is to add the dependencies of BAR to the if statement, so that items in the if block will gain a direct non-bool-promoted dependency on BAZ. This is how it would work if a menu was used instead of an if block. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: "David S. Miller" <davem@davemloft.net> Acked-by: Jeff Garzik <jeff@garzik.org> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig
index efd2b746815..03ef88acd9b 100644
--- a/drivers/media/dvb/Kconfig
+++ b/drivers/media/dvb/Kconfig
@@ -11,7 +11,7 @@ menuconfig DVB_CAPTURE_DRIVERS
---help---
Say Y to select Digital TV adapters
-if DVB_CAPTURE_DRIVERS
+if DVB_CAPTURE_DRIVERS && DVB_CORE
comment "Supported SAA7146 based PCI Adapters"
depends on DVB_CORE && PCI && I2C