From 83d109e7aea1fa15f00cc30d0ea149fac0837529 Mon Sep 17 00:00:00 2001
From: Thomas Arp <357770+welcor@users.noreply.github.com>
Date: Wed, 22 Apr 2026 22:45:41 +0200
Subject: [PATCH] Do not include crypt when not available

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 tests/CMakeLists.txt | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index a88d4c9..1027283 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -81,8 +81,13 @@ add_mud_test(test_interpreter
     ${CMAKE_CURRENT_SOURCE_DIR}/test_interpreter.c
 )
 
-# crypt() is referenced from interpreter.c (nanny password hashing)
-target_link_libraries(test_interpreter PRIVATE crypt)
+# crypt() is referenced from interpreter.c (nanny password hashing).
+# Reuse the crypt library detected by the top-level build when one is needed;
+# on platforms where crypt() is provided by libc, no extra link library is
+# required.
+if(CRYPT_LIBRARY)
+    target_link_libraries(test_interpreter PRIVATE ${CRYPT_LIBRARY})
+endif()
 
 # ---------------------------------------------------------------------------
 # test_class — covers src/class.c