diff -Naur tcl8.6.5-orig/win/configure.in tcl8.6.5/win/configure.in
--- tcl8.6.5-orig/win/configure.in	2016-03-03 08:47:48.632420800 +0300
+++ tcl8.6.5/win/configure.in	2016-03-03 08:47:48.753408700 +0300
@@ -284,7 +284,12 @@
 eval "TCL_BUILD_STUB_LIB_PATH=\"`$CYGPATH $(pwd)`/${TCL_STUB_LIB_FILE}\""
 eval "TCL_STUB_LIB_PATH=\"${libdir}/${TCL_STUB_LIB_FILE}\""
 
-eval "TCL_LIB_FILE=\"${LIBPREFIX}tcl${VER}${LIBSUFFIX}\""
+if test ${SHARED_BUILD} = 0 ; then
+ eval "TCL_LIB_FILE=\"${LIBPREFIX}tcl${VER}${LIBSUFFIX}\""
+else
+ eval "TCL_LIB_FILE=\"${LIBPREFIX}tcl${VER}${DLLSUFFIX}.a\""
+fi
+
 eval "TCL_BUILD_LIB_SPEC=\"-L`$CYGPATH $(pwd)` -ltcl${VER}${FLAGSUFFIX}\""
 eval "TCL_LIB_SPEC=\"-L${libdir} -ltcl${VER}${FLAGSUFFIX}\""
 
diff -Naur tcl8.6.5-orig/win/Makefile.in tcl8.6.5/win/Makefile.in
--- tcl8.6.5-orig/win/Makefile.in	2016-03-03 08:47:47.868497200 +0300
+++ tcl8.6.5/win/Makefile.in	2016-03-03 08:47:48.739410100 +0300
@@ -141,11 +141,11 @@
 TCL_DLL_FILE		= @TCL_DLL_FILE@
 TCL_LIB_FILE		= @TCL_LIB_FILE@
 DDE_DLL_FILE		= tcldde$(DDEVER)${DLLSUFFIX}
-DDE_LIB_FILE		= @LIBPREFIX@tcldde$(DDEVER)${LIBSUFFIX}
+DDE_LIB_FILE		= @LIBPREFIX@tcldde$(DDEVER)${DLLSUFFIX}${LIBSUFFIX}
 REG_DLL_FILE		= tclreg$(REGVER)${DLLSUFFIX}
-REG_LIB_FILE		= @LIBPREFIX@tclreg$(REGVER)${LIBSUFFIX}
+REG_LIB_FILE		= @LIBPREFIX@tclreg$(REGVER)${DLLSUFFIX}${LIBSUFFIX}
 TEST_DLL_FILE		= tcltest$(VER)${DLLSUFFIX}
-TEST_LIB_FILE		= @LIBPREFIX@tcltest$(VER)${LIBSUFFIX}
+TEST_LIB_FILE		= @LIBPREFIX@tcltest$(VER)${DLLSUFFIX}${LIBSUFFIX}
 
 SHARED_LIBRARIES 	= $(TCL_DLL_FILE)
 STATIC_LIBRARIES	= $(TCL_LIB_FILE)
diff -Naur tcl8.6.5-orig/win/tcl.m4 tcl8.6.5/win/tcl.m4
--- tcl8.6.5-orig/win/tcl.m4	2016-03-01 04:59:35.000000000 +0300
+++ tcl8.6.5/win/tcl.m4	2016-03-03 08:47:48.763407700 +0300
@@ -715,7 +715,7 @@
 	SHLIB_LD='${CC} -shared'
 	SHLIB_LD_LIBS='${LIBS}'
 	MAKE_DLL="\${SHLIB_LD} \$(LDFLAGS) -o \[$]@ ${extra_ldflags} \
-	    -Wl,--out-implib,\$(patsubst %.dll,lib%.a,\[$]@)"
+	    -Wl,--out-implib,\$(patsubst %.dll,lib%.dll.a,\[$]@)"
 	# DLLSUFFIX is separate because it is the building block for
 	# users of tclConfig.sh that may build shared or static.
 	DLLSUFFIX="\${DBGX}.dll"