meson: use correct prefix for systemd dirs

See https://www.bassi.io/articles/2018/03/15/pkg-config-and-paths/ Fixes the build in nixpkgs
2023-05-22 22:23:38 +02:00
parent 38f1237d49
commit 42a01822bf
3 changed files with 9 additions and 2 deletions
--- a/systemd/system/meson.build
+++ b/systemd/system/meson.build
@@ -2,7 +2,10 @@ systemd_system_unit_dir = get_option('systemd_system_unit_dir')
 if systemd_system_unit_dir == ''
  systemd = dependency('systemd', required: false)
  if systemd.found()
-      systemd_system_unit_dir = systemd.get_variable(pkgconfig: 'systemdsystemunitdir')
+      systemd_system_unit_dir = systemd.get_variable(
+        pkgconfig: 'systemdsystemunitdir',
+        pkgconfig_define: ['prefix', get_option('prefix')],
+      )
  endif
 endif
 if systemd_system_unit_dir == ''