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doc: mention machine=default option for meson

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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>
This commit is contained in:
Luca Boccassi 2019-04-18 10:30:20 +01:00 committed by Thomas Monjalon
parent 380154406d
commit f0b86e3f2f
1 changed files with 5 additions and 0 deletions
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doc/build-sdk-meson.txt
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@ -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::