On 5/21/13 8:44 PM, David Lowe wrote:
> On May 15, 2013, at 2:45 PM, Alexander Hansen wrote:
>
>> 1) OpenGL typically comes either via the OpenGL framework, or via X11. In
>> the former case, no dependency needs to be declared, because that comes with
>> the OS and we don't have a virtual package for it. For the latter, even
>> though it ships with the OS on current versions, it's good to specify
>> Depends: x11-shlibs and BuildDepends: x11-dev, plus RuntimeDepends: x11 if
>> it displays in X11. (mesa is also a possibility, but I'd recommend not going
>> with that if you don't have to)
>
> As usual, thanks for the quick response. Actually the project is
> looking somewhat iffy, or maybe i'm just in over my head [also as usual].
> SDL-Ball has a very rudimentary build system with no configure script. The
> author claims that on linux and Windows systems 'make' is all that's needed.
> On OSX, however, the make immediately bombs out:
>
>> Darlene-Lowes-Mac-mini:sdl-ball (300) $ make
>> g++ -DDATADIR="\"themes/\"" main.o -lGL -lGLU `sdl-config --libs`
>> -lSDL_image -lSDL_ttf -lSDL_mixer -o sdl-ball
>> ld: library not found for -lGL
>> collect2: ld returned 1 exit status
>
> This is the entirety of the makefile:
>
>> DATADIR?=themes/
>>
>> #append -DWITH_WIIUSE to compile with WIIUSE support!
>> #append -DNOSOUND to compile WITHOUT sound support
>> CC=g++ -DDATADIR="\"$(DATADIR)\""
>>
>> CFLAGS+=-c -Wall `sdl-config --cflags`
>>
>> #append -lwiiuse to compile with WIIUSE support
>> #remove -lSDL_mixer if compiling with -DNOSOUND
>> LIBS+=-lGL -lGLU `sdl-config --libs` -lSDL_image -lSDL_ttf -lSDL_mixer
>>
>> SOURCES=main.cpp
>> OBJECTS=$(SOURCES:.cpp=.o)
>>
>> EXECUTABLE=sdl-ball
>>
>> all: $(SOURCES) $(EXECUTABLE)
>>
>> $(EXECUTABLE): $(OBJECTS)
>> $(CC) $(LDFLAGS) $(OBJECTS) $(LIBS) -o $@
>>
>> .cpp.o:
>> $(CC) $(CFLAGS) $< -o $@
>>
>> clean:
>> rm -f *.o sdl-ball
>>
>> remove:
>> rm -R ~/.config/sdl-ball
>
> So i assume to make this work at all we'd have to hand-feed it the
> appropriate flags, which i don't think i could manage without help. I looked
> at the diff from MacPorts, and the only relevant part seems to be: "export
> LDFLAGS=-Wl,-z,defs -Wl,--as-needed"
>
> Sent from Darlene-Lowes-Mac-mini
>
> Zoe: "First rule of battle, little one ... don't ever let them know where you
> are."
> Mal: "WHOO-HOO! I'M RIGHT HERE! I'M RIGHT HERE! YOU WANT SOME O' ME?! YEAH
> YOU DO! COME ON! COME ON! AAAAAH! Whoo-hoo!"
> Zoe: "'Course, there're other schools of thought."
Hmm....Maybe Macports sets the X11 flags implicitly.
I see a couple options to try here:
1) Try adding
SetLDFLAGS: /usr/X11/lib
(and you might also include the stuff from Macports in that).
2) Patch Makefile to replace '-lGL -lGLU' with '-Wl,-framework,OpenGL'
Alexander Hansen, Ph.D.
Fink User Liaison
My package updates: http://finkakh.wordpress.com/
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