Messages in this thread | | | From | (Alan Cox) | Subject | Re: CONFIG_* and user-visible #defines | Date | Tue, 25 Aug 1998 14:26:36 +0100 (BST) |
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> Is there a clean way to have dependencies on a CONFIG_* option in parts of > the kernel headers that aren't #ifdef __KERNEL__ ? > > I need to set (at least) HZ and PAGE_SIZE depending on CONFIG_SUN3X, but > those definitions appear to be visible outside the kernel so including > linux/config.h seems like a bad idea..
Put a machine type in the gcc spec file for your target and do
#ifdef __sun3__
HZ is a bad one as it leaks everywhere. Andi Kleen had a patch that makes HZ visible (not settable) via sysctl and /proc/sys
Alan
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