diff --git a/build/msw/config.gcc b/build/msw/config.gcc
index d73b6f8b30..1830bf33c9 100644
--- a/build/msw/config.gcc
+++ b/build/msw/config.gcc
@@ -80,6 +80,14 @@ VENDOR = custom
 # compiled .lib files and setup.h under the lib/ toplevel directory. 
 CFG = 
 
+# Compiler flags needed to compile test suite in tests directory. If you want
+# to run the tests, set it so that the compiler can find CppUnit headers. 
+CPPUNIT_CFLAGS = 
+
+# Linker flags needed to link test suite in tests directory. If you want
+# to run the tests, include CppUnit library here. 
+CPPUNIT_LIBS = 
+
 # Version of C runtime library to use. You can change this to
 # static if SHARED=0, but it is highly recommended to not do
 # it if SHARED=1 unless you know what you are doing. [dynamic,static]
diff --git a/build/msw/config.vc b/build/msw/config.vc
index 546861da49..93e41090f2 100644
--- a/build/msw/config.vc
+++ b/build/msw/config.vc
@@ -84,6 +84,14 @@ VENDOR = custom
 # compiled .lib files and setup.h under the lib/ toplevel directory. 
 CFG = 
 
+# Compiler flags needed to compile test suite in tests directory. If you want
+# to run the tests, set it so that the compiler can find CppUnit headers. 
+CPPUNIT_CFLAGS = 
+
+# Linker flags needed to link test suite in tests directory. If you want
+# to run the tests, include CppUnit library here. 
+CPPUNIT_LIBS = 
+
 # Version of C runtime library to use. You can change this to
 # static if SHARED=0, but it is highly recommended to not do
 # it if SHARED=1 unless you know what you are doing. [dynamic,static]
diff --git a/build/msw/config.wat b/build/msw/config.wat
index ee99b8c22d..0a5d52c955 100644
--- a/build/msw/config.wat
+++ b/build/msw/config.wat
@@ -77,6 +77,14 @@ VENDOR = custom
 # compiled .lib files and setup.h under the lib/ toplevel directory. 
 CFG = 
 
+# Compiler flags needed to compile test suite in tests directory. If you want
+# to run the tests, set it so that the compiler can find CppUnit headers. 
+CPPUNIT_CFLAGS = 
+
+# Linker flags needed to link test suite in tests directory. If you want
+# to run the tests, include CppUnit library here. 
+CPPUNIT_LIBS = 
+
 # Version of C runtime library to use. You can change this to
 # static if SHARED=0, but it is highly recommended to not do
 # it if SHARED=1 unless you know what you are doing. [dynamic,static]