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docs/meson: Recommend not using CFLAGS and friends

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Because of the many caveats involved, using -Dc_args instead of CFLAGS
is recommended both by meson upstream and by us.

v2: - Fix typo

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> (v1)
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Dylan Baker 2018-12-19 13:27:27 -08:00
parent 9606310081
commit 0ff7eed289
1 changed files with 7 additions and 7 deletions
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14
docs/meson.html
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@ -110,14 +110,14 @@ to invoke non-default targets for ninja to update them:
<dl>
<dt><code>Environment Variables</code></dt>
<dd><p>Meson supports the standard CC and CXX environment variables for
changing the default compiler, and CFLAGS, CXXFLAGS, and LDFLAGS for setting
options to the compiler and linker during the initial configuration.
changing the default compiler. Meson does support CFLAGS, CXXFLAGS, etc. But
their use is discouraged because of the many caveats in using them. Instead it
is recomended to use <code>-D${lang}_args</code> and
<code>-D${lang}_link_args</code> instead. Among the benefits of these options
is that they are guaranteed to persist across rebuilds and reconfigurations.
These arguments are consumed and stored by meson when it is initialized. To
change these flags after the build is initialized (or when doing a first
initialization), consider using <code>-D${lang}_args</code> and
<code>-D${lang}_link_args</code> instead. Meson will never change compiler in a
configured build directory.
Meson does not allow changing compiler in a configured builddir, you will need
to create a new build dir for a different compiler.
</p>
<pre>