diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
index 47c94af5df..ac36cfa2d7 100644
--- a/cmake/sdlchecks.cmake
+++ b/cmake/sdlchecks.cmake
@@ -963,7 +963,11 @@ macro(CheckPTHREAD)
       set(PTHREAD_LDFLAGS "-lpthread")
     elseif(SOLARIS)
       set(PTHREAD_CFLAGS "-D_REENTRANT")
-      set(PTHREAD_LDFLAGS "-pthread -lposix4")
+      if(CMAKE_C_COMPILER_ID MATCHES "SunPro")
+        set(PTHREAD_LDFLAGS "-mt -lpthread")
+      else()
+        set(PTHREAD_LDFLAGS "-pthread -lposix4")
+      endif()
     elseif(SYSV5)
       set(PTHREAD_CFLAGS "-D_REENTRANT -Kthread")
       set(PTHREAD_LDFLAGS "")