Generate .def files with gendef

Should avoid the need for http://wiki.videolan.org/GenerateLibFromDll

configure.ac

@@ -204,6 +204,10 @@ case "${host_os}" in
   *mingw32* | *cygwin* | *wince* | *mingwce*)
     AC_CHECK_TOOL(WINDRES, windres, :)
     AC_CHECK_TOOL(OBJCOPY, objcopy, :)
+    AC_PATH_PROGS(GENDEF,[${GENDEF} gendef], [false])
+    AS_IF([test "${GENDEF}" = "false"], [
+        AC_MSG_ERROR([Could not find gendef.])
+    ])
     AH_TOP([#if defined(WIN32) && !defined(_WIN32_WINNT)])
     AH_TOP([# define _WIN32_WINNT 0x0502 /* Windows XP SP2 */])
     AH_TOP([#endif])

extras/package/win32/package.mak

@@ -74,8 +74,10 @@ endif
 	cp -r $(prefix)/include "$(win32_destdir)/sdk"
 	cp -r $(prefix)/lib/pkgconfig "$(win32_destdir)/sdk/lib"
 	cd $(prefix)/lib && cp -rv libvlc.dll.a libvlc.la libvlccore.dll.a libvlccore.la "$(win32_destdir)/sdk/lib/"
-	$(DLLTOOL) -D libvlc.dll -l "$(win32_destdir)/sdk/lib/libvlc.lib" -d "$(top_builddir)/lib/.libs/libvlc.dll.def" "$(prefix)/bin/libvlc.dll"
-	$(DLLTOOL) -D libvlccore.dll -l "$(win32_destdir)/sdk/lib/libvlccore.lib" -d "$(top_builddir)/src/.libs/libvlccore.dll.def" "$(prefix)/bin/libvlccore.dll"
+	cd "$(prefix)/bin" && $(GENDEF) "libvlc.dll"
+	$(DLLTOOL) -D libvlc.dll -l "$(win32_destdir)/sdk/lib/libvlc.lib" -d "$(prefix)/bin/libvlc.def" "$(prefix)/bin/libvlc.dll"
+	cd "$(prefix)/bin" && $(GENDEF) "libvlccore.dll"
+	$(DLLTOOL) -D libvlccore.dll -l "$(win32_destdir)/sdk/lib/libvlccore.lib" -d "$(prefix)/bin/libvlccore.def" "$(prefix)/bin/libvlccore.dll"
 
 	mkdir -p "$(win32_destdir)/sdk/activex/"
 	cd $(top_builddir)/npapi-vlc && cp activex/README.TXT share/test/test.html $(win32_destdir)/sdk/activex/