[v3] build: mention machine=default and its use in documentation
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Commit Message
From: Luca Boccassi <bluca@debian.org>
Document the new value, as it's useful for distributions and users
who need to use a stable baseline -march
Signed-off-by: Luca Boccassi <bluca@debian.org>
Reviewed-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Reviewed-by: Jerin Jacob <jerinj@marvell.com>
---
v2: fix typo, add commit body and reviewed-by
v3: added one more reviewed-by, reworded the note as suggested
doc/build-sdk-meson.txt | 5 +++++
1 file changed, 5 insertions(+)
Comments
18/04/2019 11:30, luca.boccassi@gmail.com:
> From: Luca Boccassi <bluca@debian.org>
>
> Document the new value, as it's useful for distributions and users
> who need to use a stable baseline -march
>
> Signed-off-by: Luca Boccassi <bluca@debian.org>
> Reviewed-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
> Reviewed-by: Jerin Jacob <jerinj@marvell.com>
> ---
> v2: fix typo, add commit body and reviewed-by
> v3: added one more reviewed-by, reworded the note as suggested
Applied, thanks
@@ -82,6 +82,8 @@ Project-specific options are passed used -Doption=value::
meson -Denable_docs=true fullbuild # build and install docs
+ meson -Dmachine=default # use builder-independent baseline -march
+
Examples of setting the same options using meson configure::
meson configure -Dwerror=true
@@ -98,6 +100,9 @@ should be used to change the build settings within the directory, and when
``ninja`` is called to do the build itself, it will trigger the necessary
re-scan from meson.
+NOTE: machine=default uses a config that works on all supported architectures
+regardless of the capabilities of the machine where the build is happening.
+
As well as those settings taken from ``meson configure``, other options
such as the compiler to use can be passed via environment variables. For
example::