Provide a mechanism for building the library on Windows with different compiler flags. Add a batch file that builds it for the M[DT][d] options and performs a hunt and gather of the different output libraries.

Makefile.nmake

@@ -25,6 +25,9 @@ CFLAGS=/IWIN32-Code /IWIN32-Code/nmake /Iinclude /Icompat /DHAVE_CONFIG_H /I. $(
 # For optimization and warnings
 CFLAGS=$(CFLAGS) /Ox /W3 /wd4996 /nologo
 
+# Add BUILD_CFLAGS from the environment
+CFLAGS=$(CFLAGS) $(BUILD_CFLAGS)
+
 # XXXX have a debug mode
 
 LIBFLAGS=/nologo
@@ -48,7 +51,6 @@ SSL_LIBS=
 ALL_OBJS=$(CORE_OBJS) $(WIN_OBJS) $(EXTRA_OBJS) $(SSL_OBJS)
 STATIC_LIBS=libevent_core.lib libevent_extras.lib libevent.lib $(SSL_LIBS)
 
-
 all: static_libs tests
 
 static_libs: $(STATIC_LIBS)

buildall.bat

@@ -0,0 +1,26 @@
+nmake -f Makefile.nmake clean
+
+set BUILD_CFLAGS=/MT
+nmake -f Makefile.nmake
+mkdir lib\MT\Release
+move libev*.lib lib\MT\Release
+nmake -f Makefile.nmake clean
+
+set BUILD_CFLAGS=/MTd
+nmake -f Makefile.nmake
+mkdir lib\MT\Debug
+move libev*.lib lib\MT\Debug
+nmake -f Makefile.nmake clean
+
+set BUILD_CFLAGS=/MD
+nmake -f Makefile.nmake
+mkdir lib\MD\Release
+move libev*.lib lib\MD\Release
+nmake -f Makefile.nmake clean
+
+set BUILD_CFLAGS=/MDd
+nmake -f Makefile.nmake
+mkdir lib\MD\Debug
+move libev*.lib lib\MD\Debug
+nmake -f Makefile.nmake clean
+

test/Makefile.nmake

@@ -14,6 +14,9 @@ CFLAGS=/I.. /I../WIN32-Code /I../WIN32-Code/nmake /I../include /I../compat /DHAV
 
 CFLAGS=$(CFLAGS) /Ox /W3 /wd4996 /nologo
 
+# Add BUILD_CFLAGS from the environment
+CFLAGS=$(CFLAGS) $(BUILD_CFLAGS)
+
 REGRESS_OBJS=regress.obj regress_buffer.obj regress_http.obj regress_dns.obj \
 	regress_testutils.obj \
         regress_rpc.obj regress.gen.obj \