diff --git a/config/CONFIG.Host.solaris b/config/CONFIG.Host.solaris
index a626ddc48..b6f4de4a0 100644
--- a/config/CONFIG.Host.solaris
+++ b/config/CONFIG.Host.solaris
@@ -67,7 +67,9 @@ CCC_SHRLIB_LDFLAGS_YES =  -G -h $@
 
 SOLARIS_VERSION = $(subst 5.,,$(shell uname -r))
 ARCH_DEP_CPPFLAGS += -DSOLARIS=$(SOLARIS_VERSION) 
-POSIX_CPPFLAGS_YES += -D__EXTENSIONS__
+POSIX_CPPFLAGS_YES += -D__EXTENSIONS__ -mt
+
+ARCH_DEP_LDFLAGS += -mt
 
 # socket and nsl needed by libca.a
 ARCH_DEP_LDLIBS += -lsocket -lnsl