[PATCH xserver] meson: use absolute paths in manpage substitutions

[Jon Turney]

paths returned by get_option('foodir') are potentially relative to prefix

Noticed when comparing manpages generated by a meson build with those
generated by an autotools build

Signed-off-by: Jon Turney <jon.turney at dronecode.org.uk>
---
 meson.build | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/meson.build b/meson.build
index f2c71fe27..706228228 100644
--- a/meson.build
+++ b/meson.build
@@ -520,9 +520,9 @@ manpage_config.set('libmansuffix', '3')
 manpage_config.set('miscmansuffix', '7')
 manpage_config.set('filemansuffix', '5')
 manpage_config.set('logdir', log_dir)
-manpage_config.set('datadir', get_option('datadir'))
-manpage_config.set('mandir', get_option('mandir'))
-manpage_config.set('sysconfdir', get_option('sysconfdir'))
+manpage_config.set('datadir', join_paths(get_option('prefix'), get_option('datadir')))
+manpage_config.set('mandir', join_paths(get_option('prefix'), get_option('mandir')))
+manpage_config.set('sysconfdir', join_paths(get_option('prefix'), get_option('sysconfdir')))
 manpage_config.set('xconfigdir', 'xorg.conf.d')
 manpage_config.set('xkbdir', xkb_dir)
 manpage_config.set('XKB_DFLT_RULES', get_option('xkb_default_rules'))
-- 
2.17.0