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build: use wlroots dependency variables 

Instead of manually parsing header files and having two different
code-paths depending on whether a subproject is used, use
dependency variables which can come from either the subproject or
pkg-config.

References: https://github.com/swaywm/wlroots/pull/2734
This commit is contained in:
Simon Ser 2021-02-16 00:01:32 +01:00 committed by Tudor Brindus
parent 4e02a598a3
commit b4950e2a6d
1 changed files with 11 additions and 14 deletions
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25
meson.build
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@ -65,26 +65,23 @@ wlroots_proj = subproject(
required: false,
version: wlroots_version,
)
if wlroots_proj.found()
wlroots = wlroots_proj.get_variable('wlroots')
else
wlroots = dependency('wlroots', version: wlroots_version)
endif
wlroots_features = {
'xwayland': false,
'systemd': false,
'elogind': false,
'libseat': false,
}
if wlroots_proj.found()
wlroots = wlroots_proj.get_variable('wlroots')
wlroots_conf = wlroots_proj.get_variable('conf_data')
foreach name, _ : wlroots_features
has = wlroots_conf.get('WLR_HAS_' + name.to_upper()) == 1
wlroots_features += { name: has }
endforeach
else
wlroots = dependency('wlroots', version: wlroots_version)
foreach name, _ : wlroots_features
has = cc.get_define('WLR_HAS_' + name.to_upper(), prefix: '#include <wlr/config.h>', dependencies: wlroots) == '1'
wlroots_features += { name: has }
endforeach
endif
foreach name, _ : wlroots_features
var_name = 'have_' + name.underscorify()
have = wlroots.get_variable(pkgconfig: var_name, internal: var_name) == 'true'
wlroots_features += { name: have }
endforeach
if get_option('xwayland').enabled() and not wlroots_features['xwayland']
error('Cannot enable Xwayland in sway: wlroots has been built without Xwayland support')