Make linking librt conditional on it containing shm_open

Fixes building on UNIX platforms with no librt. Co-authored-by: Nadia Holmquist Pedersen <nadia@nhp.sh>
melonDS-emu · Jul 7, 2023 · d1ff103 · d1ff103
1 parent 3c63598
commit d1ff103
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -131,7 +131,10 @@ endif()
 if (WIN32)
     target_link_libraries(core PRIVATE ole32 comctl32 ws2_32)
 elseif(NOT APPLE)
-    target_link_libraries(core PRIVATE rt)
+    check_library_exists(rt shm_open "" NEED_LIBRT)
+    if (NEED_LIBRT)
+        target_link_libraries(core PRIVATE rt)
+    endif()
 endif()
 
 if (ENABLE_JIT_PROFILING)