Messages in this thread | | | Subject | gcc 3.5 compile fixes | From | Andi Kleen <> | Date | Fri, 09 Jul 2004 12:25:56 +0200 |
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I tried to compile 2.6.7-bk9 with a recent gcc 3.5 snapshot on i386 and x86-64. It gave a lot of warnings and a lot of compile errors for make allyesconfig.
On x86-64 it miscompiled the kernel (due to kernel bugs); I will send fixes for that separately.
Most compile errors were about mixing extern and static declarations of the same symbol. I fixed this all except for the au88x0 driver in ALSA which had a too broken module setup (someone else will have to tackle that)
I got one gcc internal compiler error while compiling the sunrpc gss module. I filed an gcc bug for that.
One problem was that it didn't always inline fix_to_virt() which resulted in undefined symbols. (gcc 3.4 and up doesn't set always inline for normal inline). I fixed this by defining a new macro __always_inline in compiler.h and using that for fix_to_virt
Another issue (I think already fixed in -mm) was that memmove() needs to be moved out of line.
The result were a lot of patches for a lot of files. Instead of spamming l-k with them all I put them in http://www.firstfloor.org/~andi/35/ Andrew, please consider adding them to your tree.
The resulting i386 kernel booted on one machine; but failed to find the SCSI disks on another (didn't investigate what the problem was on the later, some more work needed on that)
-Andi
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