Improve compiling experience on MinGW platform (use pkg-config, *nix rm).

Makefile

@@ -49,6 +49,11 @@ ifeq ($(OS),Windows_NT)
 	OS_CFLAGS = -D__Windows__ -DNO_SHELLCMD
 	RM = del
     endif
+	ifneq (, $findstring(MINGW, $(UNAME_S)))
+		PORTS_CFLAGS := $(shell pkg-config --cflags libusb)
+		PORTS_LDFLAGS := $(shell pkg-config --libs libusb)
+		RM = rm -rf
+	endif
 else
     MSPDEBUG_CC = $(CC)
     BINARY = mspdebug
@@ -108,6 +113,9 @@ clean:
 ifeq ($(UNAME_O),Cygwin)
 	$(RM) */*.o
 	$(RM) $(BINARY)
+else ifneq (, $findstring(MINGW, $(UNAME_S)))
+	$(RM) */*.o
+	$(RM) $(BINARY)
 else
 	$(RM) drivers\*.o
 	$(RM) formats\*.o

transport/bslhid.c

@@ -16,7 +16,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __Windows__
+#if !defined(__Windows__) || defined(__MINGW32__)
 #include <usb.h>
 #else
 #include <lusb0_usb.h>

transport/cdc_acm.c

@@ -20,7 +20,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#ifndef __Windows__
+#if !defined(__Windows__) || defined(__MINGW32__)
 #include <usb.h>
 #else
 #include <lusb0_usb.h>

transport/cp210x.c

@@ -21,7 +21,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#ifndef __Windows__
+#if !defined(__Windows__) || defined(__MINGW32__)
 #include <usb.h>
 #else
 #include <lusb0_usb.h>

transport/rf2500.c

@@ -19,7 +19,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifndef __Windows__
+#if !defined(__Windows__) || defined(__MINGW32__)
 #include <usb.h>
 #else
 #include <lusb0_usb.h>

transport/ti3410.c

@@ -20,7 +20,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
-#ifndef __Windows__
+#if !defined(__Windows__) || defined(__MINGW32__)
 #include <usb.h>
 #else
 #include <lusb0_usb.h>

util/usbutil.h

@@ -19,7 +19,7 @@
 #ifndef USBUTIL_H_
 #define USBUTIL_H_
 
-#ifndef __Windows__
+#if !defined(__Windows__) || defined(__MINGW32__)
 #include <usb.h>
 #else
 #include <lusb0_usb.h>