diff --git a/src/libCom/test/Makefile b/src/libCom/test/Makefile
old mode 100644
new mode 100755
index 364a23f6b..40abe97ca
--- a/src/libCom/test/Makefile
+++ b/src/libCom/test/Makefile
@@ -61,6 +61,8 @@ TESTS += epicsStdlibTest
 
 TESTPROD_HOST += epicsSockResolveTest
 epicsSockResolveTest_SRCS += epicsSockResolveTest.c
+epicsSockResolveTest_SYS_LIBS_solaris = socket
+epicsSockResolveTest_SYS_LIBS_WIN32 = ws2_32 user32
 testHarness_SRCS += epicsSockResolveTest.c
 TESTS += epicsSockResolveTest