# =========================================================================
# This makefile was generated by
-# Bakefile 0.1.1 (http://bakefile.sourceforge.net)
+# Bakefile 0.1.4 (http://bakefile.sourceforge.net)
# Do not modify, all changes will be overwritten!
# =========================================================================
### Variables: ###
-LIBDIRNAME = \
- ..\..\src\ogl\..\..\..\lib\gcc_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
+WX_RELEASE_NODOT = 25
+WX_VERSION_NODOT = $(WX_RELEASE_NODOT)3
OBJS = \
gcc_$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WXDLLFLAG)$(CFG)
-OGLDLL_CXXFLAGS = $(CPPFLAGS) $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(GCCFLAGS) \
- -DHAVE_W32API_H -D__WXMSW__ $(__WXUNIV_DEFINE_p) $(__DEBUG_DEFINE_p) \
- $(__UNICODE_DEFINE_p) -I..\..\src\ogl\..\..\..\include -I$(LIBDIRNAME) \
- -I..\..\src\ogl\..\..\..\src\tiff -I..\..\src\ogl\..\..\..\src\jpeg \
- -I..\..\src\ogl\..\..\..\src\png -I..\..\src\ogl\..\..\..\src\zlib \
- -I..\..\src\ogl\..\..\..\src\regex -I..\..\src\ogl\..\..\..\src\expat\lib \
- -I..\..\src\ogl\..\..\include -DWXUSINGDLL -DWXMAKINGDLL_OGL $(CXXFLAGS)
+SETUPHDIR = \
+ $(LIBDIRNAME)\$(PORTNAME)$(WXUNIVNAME)$(WXUNICODEFLAG)$(WXDEBUGFLAG)
+OGLDLL_CXXFLAGS = $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(GCCFLAGS) -DHAVE_W32API_H \
+ -D__WXMSW__ $(__WXUNIV_DEFINE_p) $(__DEBUG_DEFINE_p) $(__UNICODE_DEFINE_p) \
+ -I..\..\src\ogl\..\..\..\include -I$(SETUPHDIR) -Wall \
+ -I..\..\src\ogl\..\..\include -DWXUSINGDLL -DWXMAKINGDLL_OGL \
+ $(__EXCEPTIONSFLAG) $(__EXCEPTIONSFLAG_0) $(CPPFLAGS) $(CXXFLAGS)
OGLDLL_OBJECTS = \
$(OBJS)\ogldll_dummy.o \
$(OBJS)\ogldll_basic2.o \
$(OBJS)\ogldll_constrnt.o \
$(OBJS)\ogldll_lines.o \
$(OBJS)\ogldll_ogldiag.o
-OGLLIB_CXXFLAGS = $(CPPFLAGS) $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(GCCFLAGS) \
- -DHAVE_W32API_H -D__WXMSW__ $(__WXUNIV_DEFINE_p) $(__DEBUG_DEFINE_p) \
- $(__UNICODE_DEFINE_p) -I..\..\src\ogl\..\..\..\include -I$(LIBDIRNAME) \
- -I..\..\src\ogl\..\..\..\src\tiff -I..\..\src\ogl\..\..\..\src\jpeg \
- -I..\..\src\ogl\..\..\..\src\png -I..\..\src\ogl\..\..\..\src\zlib \
- -I..\..\src\ogl\..\..\..\src\regex -I..\..\src\ogl\..\..\..\src\expat\lib \
- -I..\..\src\ogl\..\..\include $(CXXFLAGS)
+OGLLIB_CXXFLAGS = $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(GCCFLAGS) -DHAVE_W32API_H \
+ -D__WXMSW__ $(__WXUNIV_DEFINE_p) $(__DEBUG_DEFINE_p) $(__UNICODE_DEFINE_p) \
+ -I..\..\src\ogl\..\..\..\include -I$(SETUPHDIR) -Wall \
+ -I..\..\src\ogl\..\..\include $(__EXCEPTIONSFLAG) $(__EXCEPTIONSFLAG_0) \
+ $(CPPFLAGS) $(CXXFLAGS)
OGLLIB_OBJECTS = \
$(OBJS)\ogllib_dummy.o \
$(OBJS)\ogllib_basic2.o \
ifeq ($(DEBUG_FLAG),1)
WXDEBUGFLAG = d
endif
-ifeq ($(SHARED),1)
-WXDLLFLAG = dll
-endif
ifeq ($(UNICODE),1)
WXUNICODEFLAG = u
endif
ifeq ($(WXUNIV),1)
WXUNIVNAME = univ
endif
+ifeq ($(SHARED),1)
+WXDLLFLAG = dll
+endif
+ifeq ($(MONOLITHIC),0)
+EXTRALIBS_FOR_BASE =
+endif
+ifeq ($(MONOLITHIC),1)
+EXTRALIBS_FOR_BASE =
+endif
+ifeq ($(SHARED),1)
+__ogldll___depname = \
+ $(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)$(WX_VERSION_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl_gcc$(VENDORTAG).dll
+endif
+ifeq ($(MONOLITHIC),1)
+__WXLIB_MONO_p = \
+ -lwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)
+endif
+ifeq ($(USE_GUI),1)
+__LIB_TIFF_p = -lwxtiff$(WXDEBUGFLAG)
+endif
+ifeq ($(USE_GUI),1)
+__LIB_JPEG_p = -lwxjpeg$(WXDEBUGFLAG)
+endif
+ifeq ($(USE_GUI),1)
+__LIB_PNG_p = -lwxpng$(WXDEBUGFLAG)
+endif
+ifeq ($(MSLU),1)
+__UNICOWS_LIB_p = -lunicows
+endif
+ifeq ($(MONOLITHIC),0)
+__WXLIB_CORE_p = \
+ -lwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_core
+endif
+ifeq ($(MONOLITHIC),0)
+__WXLIB_BASE_p = \
+ -lwxbase$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)
+endif
+ifeq ($(SHARED),0)
+__ogllib___depname = \
+ $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl.a
+endif
ifeq ($(BUILD),debug)
ifeq ($(DEBUG_INFO),default)
__DEBUGINFO = -g
__DEBUGINFO = -g
endif
ifeq ($(BUILD),debug)
-ifeq ($(DEBUG_FLAG),default)
-__DEBUG_DEFINE_p = -D__WXDEBUG__
-endif
-endif
-ifeq ($(DEBUG_FLAG),1)
-__DEBUG_DEFINE_p = -D__WXDEBUG__
-endif
-ifeq ($(USE_GUI),1)
-__LIB_JPEG_p = -lwxjpeg$(WXDEBUGFLAG)
-endif
-ifeq ($(USE_GUI),1)
-__LIB_PNG_p = -lwxpng$(WXDEBUGFLAG)
-endif
-ifeq ($(USE_GUI),1)
-__LIB_TIFF_p = -lwxtiff$(WXDEBUGFLAG)
-endif
-ifeq ($(BUILD),debug)
__OPTIMIZEFLAG = -O0
endif
ifeq ($(BUILD),release)
__OPTIMIZEFLAG = -O2
endif
-ifeq ($(UNICODE),1)
-__UNICODE_DEFINE_p = -DwxUSE_UNICODE=1
+ifeq ($(USE_EXCEPTIONS),0)
+__EXCEPTIONSFLAG = -fno-rtti
endif
-ifeq ($(MSLU),1)
-__UNICOWS_LIB_p = -lunicows
+ifeq ($(USE_EXCEPTIONS),1)
+__EXCEPTIONSFLAG =
endif
-ifeq ($(MONOLITHIC),0)
-__WXLIB_BASE_p = -lwxbase25$(WXUNICODEFLAG)$(WXDEBUGFLAG)
+ifeq ($(USE_EXCEPTIONS),0)
+__EXCEPTIONSFLAG_0 = -fno-exceptions
endif
-ifeq ($(MONOLITHIC),0)
-__WXLIB_CORE_p = \
- -lwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_core
-endif
-ifeq ($(MONOLITHIC),1)
-__WXLIB_MONO_p = \
- -lwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)
+ifeq ($(USE_EXCEPTIONS),1)
+__EXCEPTIONSFLAG_0 =
endif
ifeq ($(WXUNIV),1)
__WXUNIV_DEFINE_p = -D__WXUNIVERSAL__
endif
-ifeq ($(SHARED),1)
-__ogldll___depname = \
- $(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)250$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl_gcc$(VENDORTAG).dll
+ifeq ($(BUILD),debug)
+ifeq ($(DEBUG_FLAG),default)
+__DEBUG_DEFINE_p = -D__WXDEBUG__
+endif
+endif
+ifeq ($(DEBUG_FLAG),1)
+__DEBUG_DEFINE_p = -D__WXDEBUG__
+endif
+ifeq ($(UNICODE),1)
+__UNICODE_DEFINE_p = -D_UNICODE
endif
ifeq ($(SHARED),0)
-__ogllib___depname = \
- $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl.a
+LIBDIRNAME = ..\..\src\ogl\..\..\..\lib\gcc_lib$(CFG)
+endif
+ifeq ($(SHARED),1)
+LIBDIRNAME = ..\..\src\ogl\..\..\..\lib\gcc_dll$(CFG)
endif
all: $(__ogldll___depname) $(__ogllib___depname)
-$(OBJS)\ogldll_basic.o: ../../src/ogl\basic.cpp
+clean:
+ -if exist $(OBJS)\*.o del $(OBJS)\*.o
+ -if exist $(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)$(WX_VERSION_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl_gcc$(VENDORTAG).dll del $(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)$(WX_VERSION_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl_gcc$(VENDORTAG).dll
+ -if exist $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl.a del $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl.a
+ -if exist $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl.a del $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl.a
+
+ifeq ($(SHARED),1)
+$(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)$(WX_VERSION_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl_gcc$(VENDORTAG).dll: $(OGLDLL_OBJECTS)
+ $(CXX) -shared -o $@ $(OGLDLL_OBJECTS) $(LDFLAGS) $(__DEBUGINFO) -mthreads -L$(LIBDIRNAME) -Wl,--out-implib,$(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl.a $(__WXLIB_MONO_p) $(__LIB_TIFF_p) $(__LIB_JPEG_p) $(__LIB_PNG_p) -lwxzlib$(WXDEBUGFLAG) -lwxregex$(WXUNICODEFLAG)$(WXDEBUGFLAG) -lwxexpat$(WXDEBUGFLAG) $(EXTRALIBS_FOR_BASE) $(__UNICOWS_LIB_p) -lkernel32 -luser32 -lgdi32 -lcomdlg32 -lwinspool -lwinmm -lshell32 -lcomctl32 -lole32 -loleaut32 -luuid -lrpcrt4 -ladvapi32 -lwsock32 -lodbc32 $(__WXLIB_CORE_p) $(__WXLIB_BASE_p)
+endif
+
+ifeq ($(SHARED),0)
+$(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)$(WX_RELEASE_NODOT)$(WXUNICODEFLAG)$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)_ogl.a: $(OGLLIB_OBJECTS)
+ if exist $@ del $@
+ ar rcu $@ $(OGLLIB_OBJECTS)
+ ranlib $@
+endif
+
+$(OBJS)\ogldll_dummy.o: ../../src/ogl/../../../src/msw/dummy.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_basic2.o: ../../src/ogl\basic2.cpp
+$(OBJS)\ogldll_basic2.o: ../../src/ogl/basic2.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_bmpshape.o: ../../src/ogl\bmpshape.cpp
+$(OBJS)\ogldll_canvas.o: ../../src/ogl/canvas.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_canvas.o: ../../src/ogl\canvas.cpp
+$(OBJS)\ogldll_divided.o: ../../src/ogl/divided.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_composit.o: ../../src/ogl\composit.cpp
+$(OBJS)\ogldll_mfutils.o: ../../src/ogl/mfutils.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_constrnt.o: ../../src/ogl\constrnt.cpp
+$(OBJS)\ogldll_oglmisc.o: ../../src/ogl/oglmisc.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_divided.o: ../../src/ogl\divided.cpp
+$(OBJS)\ogldll_basic.o: ../../src/ogl/basic.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_drawn.o: ../../src/ogl\drawn.cpp
+$(OBJS)\ogldll_composit.o: ../../src/ogl/composit.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_dummy.o: ../../src/ogl\..\..\..\src\msw\dummy.cpp
+$(OBJS)\ogldll_drawn.o: ../../src/ogl/drawn.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_lines.o: ../../src/ogl\lines.cpp
+$(OBJS)\ogldll_bmpshape.o: ../../src/ogl/bmpshape.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_mfutils.o: ../../src/ogl\mfutils.cpp
+$(OBJS)\ogldll_constrnt.o: ../../src/ogl/constrnt.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_ogldiag.o: ../../src/ogl\ogldiag.cpp
+$(OBJS)\ogldll_lines.o: ../../src/ogl/lines.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogldll_oglmisc.o: ../../src/ogl\oglmisc.cpp
+$(OBJS)\ogldll_ogldiag.o: ../../src/ogl/ogldiag.cpp
$(CXX) -c -o $@ $(OGLDLL_CXXFLAGS) $<
-$(OBJS)\ogllib_basic.o: ../../src/ogl\basic.cpp
+$(OBJS)\ogllib_dummy.o: ../../src/ogl/../../../src/msw/dummy.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_basic2.o: ../../src/ogl\basic2.cpp
+$(OBJS)\ogllib_basic2.o: ../../src/ogl/basic2.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_bmpshape.o: ../../src/ogl\bmpshape.cpp
+$(OBJS)\ogllib_canvas.o: ../../src/ogl/canvas.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_canvas.o: ../../src/ogl\canvas.cpp
+$(OBJS)\ogllib_divided.o: ../../src/ogl/divided.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_composit.o: ../../src/ogl\composit.cpp
+$(OBJS)\ogllib_mfutils.o: ../../src/ogl/mfutils.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_constrnt.o: ../../src/ogl\constrnt.cpp
+$(OBJS)\ogllib_oglmisc.o: ../../src/ogl/oglmisc.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_divided.o: ../../src/ogl\divided.cpp
+$(OBJS)\ogllib_basic.o: ../../src/ogl/basic.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_drawn.o: ../../src/ogl\drawn.cpp
+$(OBJS)\ogllib_composit.o: ../../src/ogl/composit.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_dummy.o: ../../src/ogl\..\..\..\src\msw\dummy.cpp
+$(OBJS)\ogllib_drawn.o: ../../src/ogl/drawn.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_lines.o: ../../src/ogl\lines.cpp
+$(OBJS)\ogllib_bmpshape.o: ../../src/ogl/bmpshape.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_mfutils.o: ../../src/ogl\mfutils.cpp
+$(OBJS)\ogllib_constrnt.o: ../../src/ogl/constrnt.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_ogldiag.o: ../../src/ogl\ogldiag.cpp
+$(OBJS)\ogllib_lines.o: ../../src/ogl/lines.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-$(OBJS)\ogllib_oglmisc.o: ../../src/ogl\oglmisc.cpp
+$(OBJS)\ogllib_ogldiag.o: ../../src/ogl/ogldiag.cpp
$(CXX) -c -o $@ $(OGLLIB_CXXFLAGS) $<
-clean:
- -if exist $(OBJS)\*.o del $(OBJS)\*.o
- -if exist $(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)250$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl_gcc$(VENDORTAG).dll del $(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)250$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl_gcc$(VENDORTAG).dll
- -if exist $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl.a del $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl.a
- -if exist $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl.a del $(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl.a
-
-ifeq ($(SHARED),1)
-$(LIBDIRNAME)\wx$(PORTNAME)$(WXUNIVNAME)250$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl_gcc$(VENDORTAG).dll: $(OGLDLL_OBJECTS)
- $(CXX) -shared -o $@ $(OGLDLL_OBJECTS) $(LDFLAGS) $(__DEBUGINFO) -mthreads -L$(LIBDIRNAME) -Wl,--out-implib,$(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl.a $(__WXLIB_MONO_p) $(__LIB_TIFF_p) $(__LIB_JPEG_p) $(__LIB_PNG_p) -lwxzlib$(WXDEBUGFLAG) -lwxregex$(WXDEBUGFLAG) -lwxexpat$(WXDEBUGFLAG) $(__UNICOWS_LIB_p) -lkernel32 -luser32 -lgdi32 -lcomdlg32 -lwinspool -lwinmm -lshell32 -lcomctl32 -lodbc32 -lole32 -loleaut32 -luuid -lrpcrt4 -ladvapi32 -lwsock32 $(__WXLIB_CORE_p) $(__WXLIB_BASE_p)
-endif
-
-ifeq ($(SHARED),0)
-$(LIBDIRNAME)\libwx$(PORTNAME)$(WXUNIVNAME)25$(WXUNICODEFLAG)$(WXDEBUGFLAG)_ogl.a: $(OGLLIB_OBJECTS)
- if exist $@ del $@
- ar rcu $@ $(OGLLIB_OBJECTS)
- ranlib $@
-endif
-
.PHONY: all clean
projects / wxWidgets.git / blobdiff