patch 7.4.1040
Problem: The tee command is not available on MS-Windows.
Solution: Adjust tee.c for MSVC and add a makefile. (Yasuhiro Matsumoto)
diff --git a/src/tee/Make_mvc.mak b/src/tee/Make_mvc.mak
new file mode 100644
index 0000000..a957f94
--- /dev/null
+++ b/src/tee/Make_mvc.mak
@@ -0,0 +1,14 @@
+# A very (if not the most) simplistic Makefile for MSVC
+
+CC=cl
+CFLAGS=/O2
+
+tee.exe: tee.obj
+ $(CC) $(CFLAGS) /Fo$@ $**
+
+tee.obj: tee.c
+ $(CC) $(CFLAGS) /c $**
+
+clean:
+ - del tee.obj
+ - del tee.exe