diff --git a/tests/Makefile.in b/tests/Makefile.in
index 6633a0c30a..41c9b375ef 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -32,6 +32,7 @@ TOOLKIT_VERSION = @TOOLKIT_VERSION@
 TOOLCHAIN_FULLNAME = @TOOLCHAIN_FULLNAME@
 EXTRALIBS = @EXTRALIBS@
 EXTRALIBS_GUI = @EXTRALIBS_GUI@
+CXXWARNINGS = @CXXWARNINGS@
 HOST_SUFFIX = @HOST_SUFFIX@
 SAMPLES_RPATH_FLAG = @SAMPLES_RPATH_FLAG@
 SAMPLES_RPATH_POSTLINK = @SAMPLES_RPATH_POSTLINK@
@@ -45,8 +46,8 @@ WX_VERSION = $(WX_RELEASE).0
 LIBDIRNAME = $(wx_top_builddir)/lib
 TEST_CXXFLAGS = $(__test_PCH_INC) -D__WX$(TOOLKIT)__ $(__WXUNIV_DEFINE_p) \
 	$(__EXCEPTIONS_DEFINE_p) $(__RTTI_DEFINE_p) $(__THREAD_DEFINE_p) \
-	-I$(srcdir) $(__DLLFLAG_p) -DwxUSE_GUI=0 $(CPPUNIT_CFLAGS) $(CPPFLAGS) \
-	$(CXXFLAGS)
+	-I$(srcdir) $(__DLLFLAG_p) -DwxUSE_GUI=0 $(CPPUNIT_CFLAGS) $(CXXWARNINGS) \
+	$(CPPFLAGS) $(CXXFLAGS)
 TEST_OBJECTS =  \
 	test_test.o \
 	test_archivetest.o \
@@ -89,12 +90,13 @@ TEST_OBJECTS =  \
 	test_textstreamtest.o \
 	test_zlibstream.o \
 	test_textfiletest.o \
+	test_atomic.o \
 	test_uris.o
 TEST_ODEP =  $(___pch_testprec_test_testprec_h_gch___depname)
 TEST_GUI_CXXFLAGS = $(__test_gui_PCH_INC) -D__WX$(TOOLKIT)__ \
 	$(__WXUNIV_DEFINE_p) $(__EXCEPTIONS_DEFINE_p) $(__RTTI_DEFINE_p) \
 	$(__THREAD_DEFINE_p) -I$(srcdir) $(__DLLFLAG_p) -I$(srcdir)/../samples \
-	$(CPPUNIT_CFLAGS) $(CPPFLAGS) $(CXXFLAGS)
+	$(CPPUNIT_CFLAGS) $(CXXWARNINGS) $(CPPFLAGS) $(CXXFLAGS)
 TEST_GUI_OBJECTS =  \
 	$(__test_gui___win32rc) \
 	$(__test_gui_os2_lib_res) \
@@ -106,7 +108,7 @@ TEST_GUI_ODEP =  $(___pch_testprec_test_gui_testprec_h_gch___depname)
 PRINTFBENCH_CXXFLAGS = $(__printfbench_PCH_INC) -D__WX$(TOOLKIT)__ \
 	$(__WXUNIV_DEFINE_p) $(__EXCEPTIONS_DEFINE_p) $(__RTTI_DEFINE_p) \
 	$(__THREAD_DEFINE_p) -I$(srcdir) $(__DLLFLAG_p) -DwxUSE_GUI=0 \
-	$(CPPUNIT_CFLAGS) $(CPPFLAGS) $(CXXFLAGS)
+	$(CPPUNIT_CFLAGS) $(CXXWARNINGS) $(CPPFLAGS) $(CXXFLAGS)
 PRINTFBENCH_OBJECTS =  \
 	printfbench_printfbench.o
 PRINTFBENCH_ODEP =  $(___pch_testprec_printfbench_testprec_h_gch___depname)
@@ -429,6 +431,9 @@ test_zlibstream.o: $(srcdir)/streams/zlibstream.cpp $(TEST_ODEP)
 test_textfiletest.o: $(srcdir)/textfile/textfiletest.cpp $(TEST_ODEP)
 	$(CXXC) -c -o $@ $(TEST_CXXFLAGS) $(srcdir)/textfile/textfiletest.cpp
 
+test_atomic.o: $(srcdir)/thread/atomic.cpp $(TEST_ODEP)
+	$(CXXC) -c -o $@ $(TEST_CXXFLAGS) $(srcdir)/thread/atomic.cpp
+
 test_uris.o: $(srcdir)/uris/uris.cpp $(TEST_ODEP)
 	$(CXXC) -c -o $@ $(TEST_CXXFLAGS) $(srcdir)/uris/uris.cpp
 
diff --git a/tests/makefile.bcc b/tests/makefile.bcc
index 56300f2c29..a55004cd19 100644
--- a/tests/makefile.bcc
+++ b/tests/makefile.bcc
@@ -22,9 +22,10 @@ BCCDIR = $(MAKEDIR)\..
 ### Variables: ###
 
 WX_RELEASE_NODOT = 29
+COMPILER_PREFIX = bcc
 OBJS = \
-	bcc_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
-LIBDIRNAME = .\..\lib\bcc_$(LIBTYPE_SUFFIX)$(CFG)
+	$(COMPILER_PREFIX)_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
+LIBDIRNAME = .\..\lib\$(COMPILER_PREFIX)_$(LIBTYPE_SUFFIX)$(CFG)
 SETUPHDIR = \
 	$(LIBDIRNAME)\$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)
 TEST_CXXFLAGS = $(__RUNTIME_LIBS) -I$(BCCDIR)\include $(__DEBUGINFO) \
@@ -77,6 +78,7 @@ TEST_OBJECTS =  \
 	$(OBJS)\test_textstreamtest.obj \
 	$(OBJS)\test_zlibstream.obj \
 	$(OBJS)\test_textfiletest.obj \
+	$(OBJS)\test_atomic.obj \
 	$(OBJS)\test_uris.obj
 TEST_GUI_CXXFLAGS = $(__RUNTIME_LIBS) -I$(BCCDIR)\include $(__DEBUGINFO) \
 	$(__OPTIMIZEFLAG) $(__THREADSFLAG_1) -D__WXMSW__ $(__WXUNIV_DEFINE_p) \
@@ -457,6 +459,9 @@ $(OBJS)\test_zlibstream.obj: .\streams\zlibstream.cpp
 $(OBJS)\test_textfiletest.obj: .\textfile\textfiletest.cpp
 	$(CXX) -q -c -P -o$@ $(TEST_CXXFLAGS) $**
 
+$(OBJS)\test_atomic.obj: .\thread\atomic.cpp
+	$(CXX) -q -c -P -o$@ $(TEST_CXXFLAGS) $**
+
 $(OBJS)\test_uris.obj: .\uris\uris.cpp
 	$(CXX) -q -c -P -o$@ $(TEST_CXXFLAGS) $**
 
diff --git a/tests/makefile.gcc b/tests/makefile.gcc
index fa583a5f48..6dd6d2ac5b 100644
--- a/tests/makefile.gcc
+++ b/tests/makefile.gcc
@@ -14,9 +14,10 @@ include ../build/msw/config.gcc
 
 CPPDEPS = -MT$@ -MF$@.d -MD
 WX_RELEASE_NODOT = 29
+COMPILER_PREFIX = gcc
 OBJS = \
-	gcc_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
-LIBDIRNAME = .\..\lib\gcc_$(LIBTYPE_SUFFIX)$(CFG)
+	$(COMPILER_PREFIX)_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
+LIBDIRNAME = .\..\lib\$(COMPILER_PREFIX)_$(LIBTYPE_SUFFIX)$(CFG)
 SETUPHDIR = \
 	$(LIBDIRNAME)\$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)
 TEST_CXXFLAGS = $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(__THREADSFLAG) $(GCCFLAGS) \
@@ -69,6 +70,7 @@ TEST_OBJECTS =  \
 	$(OBJS)\test_textstreamtest.o \
 	$(OBJS)\test_zlibstream.o \
 	$(OBJS)\test_textfiletest.o \
+	$(OBJS)\test_atomic.o \
 	$(OBJS)\test_uris.o
 TEST_GUI_CXXFLAGS = $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(__THREADSFLAG) \
 	$(GCCFLAGS) -DHAVE_W32API_H -D__WXMSW__ $(__WXUNIV_DEFINE_p) \
@@ -435,6 +437,9 @@ $(OBJS)\test_zlibstream.o: ./streams/zlibstream.cpp
 $(OBJS)\test_textfiletest.o: ./textfile/textfiletest.cpp
 	$(CXX) -c -o $@ $(TEST_CXXFLAGS) $(CPPDEPS) $<
 
+$(OBJS)\test_atomic.o: ./thread/atomic.cpp
+	$(CXX) -c -o $@ $(TEST_CXXFLAGS) $(CPPDEPS) $<
+
 $(OBJS)\test_uris.o: ./uris/uris.cpp
 	$(CXX) -c -o $@ $(TEST_CXXFLAGS) $(CPPDEPS) $<
 
diff --git a/tests/makefile.vc b/tests/makefile.vc
index 5b4127942f..38eb98b933 100644
--- a/tests/makefile.vc
+++ b/tests/makefile.vc
@@ -13,9 +13,11 @@
 ### Variables: ###
 
 WX_RELEASE_NODOT = 29
+COMPILER_PREFIX = vc
 OBJS = \
-	vc_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)$(DIR_SUFFIX_CPU)
-LIBDIRNAME = .\..\lib\vc$(DIR_SUFFIX_CPU)_$(LIBTYPE_SUFFIX)$(CFG)
+	$(COMPILER_PREFIX)_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)$(DIR_SUFFIX_CPU)
+LIBDIRNAME = \
+	.\..\lib\$(COMPILER_PREFIX)$(DIR_SUFFIX_CPU)_$(LIBTYPE_SUFFIX)$(CFG)
 SETUPHDIR = \
 	$(LIBDIRNAME)\$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)
 TEST_CXXFLAGS = /M$(__RUNTIME_LIBS_8)$(__DEBUGRUNTIME) /DWIN32 $(__DEBUGINFO) \
@@ -69,6 +71,7 @@ TEST_OBJECTS =  \
 	$(OBJS)\test_textstreamtest.obj \
 	$(OBJS)\test_zlibstream.obj \
 	$(OBJS)\test_textfiletest.obj \
+	$(OBJS)\test_atomic.obj \
 	$(OBJS)\test_uris.obj
 TEST_GUI_CXXFLAGS = /M$(__RUNTIME_LIBS_23)$(__DEBUGRUNTIME) /DWIN32 \
 	$(__DEBUGINFO) /Fd$(OBJS)\test_gui.pdb $(____DEBUGRUNTIME) \
@@ -541,6 +544,9 @@ $(OBJS)\test_zlibstream.obj: .\streams\zlibstream.cpp
 $(OBJS)\test_textfiletest.obj: .\textfile\textfiletest.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(TEST_CXXFLAGS) $**
 
+$(OBJS)\test_atomic.obj: .\thread\atomic.cpp
+	$(CXX) /c /nologo /TP /Fo$@ $(TEST_CXXFLAGS) $**
+
 $(OBJS)\test_uris.obj: .\uris\uris.cpp
 	$(CXX) /c /nologo /TP /Fo$@ $(TEST_CXXFLAGS) $**
 
diff --git a/tests/makefile.wat b/tests/makefile.wat
index ea59e205db..b200472846 100644
--- a/tests/makefile.wat
+++ b/tests/makefile.wat
@@ -219,9 +219,10 @@ __GDIPLUS_LIB_p = gdiplus.lib
 ### Variables: ###
 
 WX_RELEASE_NODOT = 29
+COMPILER_PREFIX = wat
 OBJS = &
-	wat_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
-LIBDIRNAME = .\..\lib\wat_$(LIBTYPE_SUFFIX)$(CFG)
+	$(COMPILER_PREFIX)_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
+LIBDIRNAME = .\..\lib\$(COMPILER_PREFIX)_$(LIBTYPE_SUFFIX)$(CFG)
 SETUPHDIR = &
 	$(LIBDIRNAME)\$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)
 TEST_CXXFLAGS = $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(__THREADSFLAG) &
@@ -274,6 +275,7 @@ TEST_OBJECTS =  &
 	$(OBJS)\test_textstreamtest.obj &
 	$(OBJS)\test_zlibstream.obj &
 	$(OBJS)\test_textfiletest.obj &
+	$(OBJS)\test_atomic.obj &
 	$(OBJS)\test_uris.obj
 TEST_GUI_CXXFLAGS = $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(__THREADSFLAG) &
 	$(__RUNTIME_LIBS) -d__WXMSW__ $(__WXUNIV_DEFINE_p) $(__DEBUG_DEFINE_p) &
@@ -490,6 +492,9 @@ $(OBJS)\test_zlibstream.obj :  .AUTODEPEND .\streams\zlibstream.cpp
 $(OBJS)\test_textfiletest.obj :  .AUTODEPEND .\textfile\textfiletest.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(TEST_CXXFLAGS) $<
 
+$(OBJS)\test_atomic.obj :  .AUTODEPEND .\thread\atomic.cpp
+	$(CXX) -bt=nt -zq -fo=$^@ $(TEST_CXXFLAGS) $<
+
 $(OBJS)\test_uris.obj :  .AUTODEPEND .\uris\uris.cpp
 	$(CXX) -bt=nt -zq -fo=$^@ $(TEST_CXXFLAGS) $<
 
diff --git a/tests/test_test.dsp b/tests/test_test.dsp
index 5e44984ee3..cc3c4d0407 100644
--- a/tests/test_test.dsp
+++ b/tests/test_test.dsp
@@ -443,6 +443,10 @@ SOURCE=.\arrays\arrays.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\thread\atomic.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\streams\bstream.cpp
 # End Source File
 # Begin Source File