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Re: [Qemu-arm] [RISU PATCH 06/10] configure: support CPPFLAGS
From: |
Dave Martin |
Subject: |
Re: [Qemu-arm] [RISU PATCH 06/10] configure: support CPPFLAGS |
Date: |
Wed, 8 Nov 2017 10:34:24 +0000 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Nov 07, 2017 at 03:05:54PM +0000, Alex Bennée wrote:
> Useful for accessing API's that are still brewing, e.g:
>
> CROSS_PREFIX=aarch64-linux-gnu- \
> CPPFLAGS=-I/home/alex/lsrc/qemu/risu.git/sve-headers/include \
> ../configure
>
> Signed-off-by: Alex Bennée <address@hidden>
> ---
> README | 6 ++++++
> configure | 1 +
> 2 files changed, 7 insertions(+)
>
> diff --git a/README b/README
> index 9946e6e..fbe408d 100644
> --- a/README
> +++ b/README
> @@ -26,6 +26,12 @@ Most useful is
> need this if you're not building on the target system
> (Example: CROSS_PREFIX=arm-linux-gnueabihf- )
>
> +Another useful flag is
> + CPPFLAGS= which specified pre-processor flags, usually -I statements
> + for specifying extra include paths. Use this is you need something
s/is/if/
> + from new kernel headers not installed on your system.
> + (Example: CPPFLAGS=-I/path/to/sve-kernel-headers/include)
> +
You should probably point out that the path should refer to headers
installed by running 'make headers_install' in the Linux source. This
means we really test the uapi headers properly, and I don't get spurious
bug reports about bad headers ;)
[...]
Cheers
---Dave
- [Qemu-arm] [RISU PATCH 05/10] configure: allow repeated invocation of configure in build dir, (continued)
- [Qemu-arm] [RISU PATCH 05/10] configure: allow repeated invocation of configure in build dir, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 02/10] risu.c: split out setting up options, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 01/10] build-all-arches: drop -t (for tty) from docker invocation, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 04/10] risu: move optional args to each architecture, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 09/10] risu_reginfo_aarch64: add reginfo_copy_sve, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 03/10] risu.c: add missing --trace longopt, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 08/10] aarch64.risu: initial SVE instruction, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 06/10] configure: support CPPFLAGS, Alex Bennée, 2017/11/07
- Re: [Qemu-arm] [RISU PATCH 06/10] configure: support CPPFLAGS,
Dave Martin <=
- [Qemu-arm] [RISU PATCH 07/10] risugen: add --sve support, Alex Bennée, 2017/11/07
- [Qemu-arm] [RISU PATCH 10/10] risu_reginfo_aarch64: add SVE support to reginfo_dump_mismatch, Alex Bennée, 2017/11/07
- Re: [Qemu-arm] [RISU PATCH 00/10] Initial support for SVE, Dave Martin, 2017/11/08