Re: [PATCH 3/3] powerpc: enable support for GCC plugins

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On 07/12/16 08:25, Emese Revfy wrote:
What are these missing headers? Because if they aren't necessary then they can
be removed from gcc-common.h. There were missing headers on arm/arm64 and these
archs are supported. I think this version check is unnecessary because
gcc-plugin.sh also checks the missing headers.

rs6000-cpus.def, included via tm.h - see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66840

I realise gcc-plugin.sh does detect this, but the point of the additional version check is to provide somewhat more helpful advice to the user.

What is the problem on gcc-4.5/gcc-4.6?

On 4.6.4, c-family/c-common.h:

/scratch/ajd/gcc-test-v2/kernel/scripts/gcc-plugins/gcc-common.h:60:31: fatal error: c-family/c-common.h: No such file or directory

ajd@ka1:/scratch/ajd/tmp/cross/gcc-4.6.4-nolibc/powerpc64-linux$ find -name c-common.*
./lib/gcc/powerpc64-linux/4.6.4/plugin/include/c-common.h
./lib/gcc/powerpc64-linux/4.6.4/plugin/include/c-family/c-common.def

Are we sure the version check in gcc-common.h:59 is correct, or is this just a peculiarity of my particular toolchain?

I need to build another 4.5 toolchain, I'll try to do that this week.

--
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@xxxxxxxxxxx  IBM Australia Limited

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