On Wed, 29 Nov 2006 21:14:10 +0100
Willy Tarreau <[email protected]> wrote:
> Then why not simply check for gcc 4.1.0 in compiler.h and refuse to build
> with 4.1.0 if it's known to produce bad code ?
Think so. I'll queue this and see how many howls it causes.
--- a/init/main.c~gcc-4-1-0-is-bust
+++ a/init/main.c
@@ -75,6 +75,10 @@
#error Sorry, your GCC is too old. It builds incorrect kernels.
#endif
+#if __GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ == 0
+#error gcc-4.1.0 is known to miscompile the kernel. Please use a different compiler version.
+#endif
+
static int init(void *);
extern void init_IRQ(void);
_
-
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