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Linking against SDL_gfx using mingw (msys)?

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This is a "solution" post. If you are using mingw (msys) to compile SDL_gfx, the included makefile will only generate the .la and .a files, but not the needed .dll and .dll.a files. This will allow you to "link" against the .la and .a files, but it won't find the DLL specified versions of the functions, so it will give you error messages. To generate the .dll and .dll.a, use a makefile like this: CC = gcc AR=ar rc RANLIB=ranlib prefix=/usr/local bin_dir=$(prefix)/bin include_dir=$(prefix)/include lib_dir=$(prefix)/lib CFLAGS = -O3 -march=athlon-xp -mmmx -msse -m3dnow -DBUILD_DLL -DWIN32 -I/usr/local/include/SDL LIBS = -L/usr/local/lib -lSDL OBJS = SDL_framerate.o SDL_gfxPrimitives.o SDL_imageFilter.o SDL_rotozoom.o STATIC_LIB=libSDL_gfx.a IMPORT_LIB=libSDL_gfx.dll.a SHARED_LIB=SDL_gfx.dll all: $(STATIC_LIB) $(SHARED_LIB) $(STATIC_LIB): $(OBJS) $(AR) $@ $^ $(RANLIB) $@ $(SHARED_LIB): $(OBJS) gcc -s -shared -o $@ $^ -Wl,--enable-auto-import,--export-all -Wl,--out-implib=$(IMPORT_LIB) $(LIBS) test: $(SHARED_LIB) $(STATIC_LIB) Test/TestFramerate.exe Test/TestFonts.exe Test/TestGfxPrimitives.exe Test/TestImageFilter.exe Test/TestRotozoom.exe Test/TestFramerate.exe: Test/TestFramerate.c gcc -c $^ -o Test/TestFramerate.o -O3 -march=athlon-xp -mmmx -msse -m3dnow -DWIN32 -Ic:/dev/local/include/SDL gcc -o $@ Test/TestFramerate.o $(CFLAGS) -L../ -Lc:/dev/local/lib -lmingw32 -lSDLmain $(SHARED_LIB) -lSDL Test/TestFonts.exe: Test/TestFonts.c gcc -c $^ -o Test/TestFonts.o -O3 -march=athlon-xp -mmmx -msse -m3dnow -DWIN32 -Ic:/dev/local/include/SDL gcc -o $@ Test/TestFonts.o $(CFLAGS) -L../ -Lc:/dev/local/lib -lmingw32 -lSDLmain $(SHARED_LIB) -lSDL Test/TestGfxPrimitives.exe: Test/TestGfxPrimitives.c gcc -c $^ -o Test/TestGfxPrimitives.o -O3 -march=athlon-xp -mmmx -msse -m3dnow -DWIN32 -Ic:/dev/local/include/SDL gcc -o $@ Test/TestGfxPrimitives.o $(CFLAGS) -L../ -Lc:/dev/local/lib -lmingw32 -lSDLmain $(SHARED_LIB) -lSDL Test/TestImageFilter.exe: Test/TestImageFilter.c gcc -c $^ -o Test/TestImageFilter.o -O3 -march=athlon-xp -mmmx -msse -m3dnow -DWIN32 -Ic:/dev/local/include/SDL gcc -o $@ Test/TestImageFilter.o $(CFLAGS) -L../ -Lc:/dev/local/lib -lmingw32 -lSDLmain $(SHARED_LIB) -lSDL Test/TestRotozoom.exe: Test/TestRotozoom.c gcc -c $^ -o Test/TestRotozoom.o -O3 -march=athlon-xp -mmmx -msse -m3dnow -DWIN32 -Ic:/dev/local/include/SDL gcc -o $@ Test/TestRotozoom.o $(CFLAGS) -L../ -Lc:/dev/local/lib -lmingw32 -lSDLmain $(SHARED_LIB) -lSDL install: $(STATIC_LIB) $(SHARED_LIB) cp $(STATIC_LIB) $(SHARED_LIB) $(IMPORT_LIB) $(lib_dir) cp SDL_framerate.h SDL_gfxPrimitives.h SDL_imageFilter.h SDL_rotozoom.h $(include_dir)/SDL uninstall: rm -f $(lib_dir)/$(STATIC_LIB) rm -f $(lib_dir)/$(SHARED_LIB) rm -f $(lib_dir)/$(IMPORT_LIB) rm -f $(include_dir)/SDL/SDL_framerate.h rm -f $(include_dir)/SDL/SDL_gfxPrimitives.h rm -f $(include_dir)/SDL/SDL_imageFilter.h rm -f $(include_dir)/SDL/SDL_rotozoom.h clean: rm -f *.o *.a *.dll rm -f Test/*.o Test/*.exe

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With a bit of modification, you can include the SDL_gfx source directly in with your project.

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