--- a-mpdecimal-2.5.1/tests++/runshort.sh
+++ b-mpdecimal-2.5.1/tests++/runshort.sh
@@ -12,9 +12,11 @@
         export MallocLogFile=/dev/null
         export MallocDebugReport=crash
         ;;
-    AIX)
+    AIX|Linux)
         # The thread stack size on AIX (96K) makes std::thread unusable
         # for runtest.cc, which needs around 300K.
+        #
+        # The same applies to Alpine Linux (musl).
         THREAD="--pthread"
         ;;
     *)
--- a-mpdecimal-2.5.1/tests++/runshort_alloc.sh
+++ b-mpdecimal-2.5.1/tests++/runshort_alloc.sh
@@ -12,9 +12,11 @@
         export MallocLogFile=/dev/null
         export MallocDebugReport=crash
         ;;
-    AIX)
+    AIX|Linux)
         # The thread stack size on AIX (96K) makes std::thread unusable
         # for runtest.cc, which needs around 300K.
+        #
+        # The same applies to Alpine Linux (musl).
         THREAD="--pthread"
         ;;
     *)