meson: Only require the crypt library when necessary

The `crypt` library is only necessary for two executables.
These are build-newgrp and build-sulogin.
Don't otherwise require this dependency.

Signed-off-by: Jordan Williams <jordan@jwillikers.com>
(cherry picked from commit d0a07e7fb8109e9fdeb5e2c90c019c0cf5f92009)

diff --git a/meson.build b/meson.build
index 77f6dd845e9bcaa436c47e80b08f7563a6cf9c1a..66a90b66fed098d63cc411ebef93b7bfc7ef85ad 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -346,7 +346,10 @@ lib_udev = dependency(
   required : get_option('systemd'))
 conf.set('HAVE_LIBUDEV', lib_udev.found() ? 1 : false)
 
-lib_crypt = cc.find_library('crypt')
+lib_crypt = cc.find_library('crypt', required : get_option('build-newgrp'))
+if not lib_crypt.found()
+  lib_crypt = cc.find_library('crypt', required : get_option('build-sulogin'))
+endif
 
 lib_pam = cc.find_library('pam', required : get_option('build-login'))
 if not lib_pam.found()