meson: gate sulogin on shadow.h

The target needs this header, encode this in the build system.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/meson.build b/meson.build
index 41217c8d4b827e9f3a0aba4e52b3799312be4d6c..bc0a7397f5209dd18ce759b38b13b167d13d5605 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -2868,7 +2868,9 @@ if opt and not is_disabler(exe)
   manadocs += login_manadocs
 endif
 
-opt = get_option('build-sulogin').allowed()
+opt = get_option('build-sulogin') \
+      .require(conf.get('HAVE_SHADOW_H').to_string() == '1') \
+      .allowed()
 exe = executable(
   'sulogin',
   sulogin_sources,