[Haskell-beginners] Anyone have problems with cabal and SDL?

[Ben Sanders]

Thanks for this.

I downloaded the source for TimePiece and am trying to get it running on my
Mac.
When I do a cabal install, I get the output below.
Feels like I am missing something simple, but various searches haven't
turned up much so far.  Any thoughts?


$ cabal install
Warning: TimePiece.cabal: A package using 'cabal-version: >=1.2' must use
section syntax. See the Cabal user guide for details.
Resolving dependencies...
[1 of 1] Compiling Main             (
/var/folders/+E/+EbqIqRfGbKrq3GUh28kdU+++TM/-Tmp-/SDL-0.6.215336/SDL-0.6.2/Setup.lhs,
/var/folders/+E/+EbqIqRfGbKrq3GUh28kdU+++TM/-Tmp-/SDL-0.6.215336/SDL-0.6.2/dist/setup/Main.o
)

/var/folders/+E/+EbqIqRfGbKrq3GUh28kdU+++TM/-Tmp-/SDL-0.6.215336/SDL-0.6.2/Setup.lhs:2:3:
    Warning: In the use of `defaultUserHooks'
             (imported from Distribution.Simple):
             Deprecated: "Use simpleUserHooks or autoconfUserHooks, unless
you need Cabal-1.2
             compatibility in which case you must stick with
defaultUserHooks"
Linking
/var/folders/+E/+EbqIqRfGbKrq3GUh28kdU+++TM/-Tmp-/SDL-0.6.215336/SDL-0.6.2/dist/setup/setup
...
ld: warning: could not create compact unwind for .LFB3: non-standard
register 5 being saved in prolog
Warning: defaultUserHooks in Setup script is deprecated.
Configuring SDL-0.6.2...
configure: WARNING: unrecognized options: --with-hc, --with-gcc
checking for sdl-config... /opt/local/bin/sdl-config
configure: creating ./config.status
config.status: creating config.mk
config.status: creating SDL.buildinfo
config.status: creating includes/HsSDLConfig.h
configure: WARNING: unrecognized options: --with-hc, --with-gcc
Preprocessing library SDL-0.6.2...
General.hsc: In function ‘main’:
General.hsc:60: error: ‘SDL_INIT_CDROM’ undeclared (first use in this
function)
General.hsc:60: error: (Each undeclared identifier is reported only once
General.hsc:60: error: for each function it appears in.)
compiling dist/build/Graphics/UI/SDL/General_hsc_make.c failed (exit code 1)
command was: /usr/bin/gcc -c dist/build/Graphics/UI/SDL/General_hsc_make.c
-o dist/build/Graphics/UI/SDL/General_hsc_make.o -march=i686 -m32
-fno-stack-protector -march=i686 -m32 -fno-stack-protector -march=i686 -m32
-D__GLASGOW_HASKELL__=700 -Ddarwin_BUILD_OS -Ddarwin_HOST_OS
-Di386_BUILD_ARCH -Di386_HOST_ARCH -I/opt/local/include/SDL -D_THREAD_SAFE
-I/Library/Frameworks/GHC.framework/Versions/7.0.3-i386/usr/lib/ghc-7.0.3/base-4.3.1.0/include
-I/Library/Frameworks/GHC.framework/Versions/7.0.3-i386/usr/lib/ghc-7.0.3/include
-I/Library/Frameworks/GHC.framework/Versions/7.0.3-i386/usr/lib/ghc-7.0.3/include
-I/Library/Frameworks/GHC.framework/Versions/7.0.3-i386/usr/lib/ghc-7.0.3/include/
cabal: Error: some packages failed to install:
SDL-0.6.2 failed during the building phase. The exception was:
ExitFailure 1
SDL-gfx-0.6.0 depends on SDL-0.6.2 which failed to install.
SDL-image-0.6.1 depends on SDL-0.6.2 which failed to install.
SDL-ttf-0.6.1 depends on SDL-0.6.2 which failed to install.
TimePiece-0.0.3 depends on SDL-0.6.2 which failed to install.



On Tue, Feb 22, 2011 at 1:05 PM, Alvaro Vilanova <alvivi at gmail.com> wrote:

> The log says that configuration SDL tool `sdl-config` is not installed,
> probably, due to you have installed SDL framework. Cabal, or the SDL
> package
> (I dont know who has the problem here) doesn't take into account that the
> system is a MacOs so it doesn't search the library as a framework.
>
> To solve this, you have to compile the library manually, just `./configure
> &&
> make && sudo make install` or install it with MacPorts. Then you will be
> able
> to compile SDL projects. Nothing more. If you want to link and run your own
> Haskell SDL projects on MacOs you have to dive in the next odyssey:
>
> SDL has a tricky way to enable C `main` function to run graphic
> applications
> on all systems. So first, we need a C function wich is going to be hooked
> by
> SDL, and this function is going to run our Haskell application. We put this
> main function in c_main.c [1].
>
> To be compatible with all other plataforms we have keep our Main Haskell
> function, so we rename this function in a FFI Module which will be compiled
> only on MacOS, named HS_Main.hs [2].
>
> Now we have to compile c_main.c with:
>
> gcc -c c_main.c `sdl-config --cflags` -framework GHC
>
> But, surprise, the GHC framework seems that is not well-formed, so gcc can
> not get the
> header and you have to search it manually. In my case:
>
> find / -name "HsFFI.h"
> ...
>
> /Library/Frameworks/GHC.framework/Versions/612/usr/lib/ghc-6.12.3/include/HSffi.h
> ...
>
> gcc -c c_main.c `sdl-config --cflags`
> -I/Library/Frameworks/GHC.framework/Versions/612/usr/lib/ghc-6.12.3/include/
>
> And now we have a c_main.o. Next, we have to compile our HSMain which
> imports
> our Main module which contains the default main function.
>
> ghc --make HSMain.hs -no-hs-main c_main.o -framework Cocoa
>
> And if you have the default Haskell plataform for MacOs you are going to
> get one surprise more:
>
> Linking ./Main ...
> ld: warning: in c_main.o, file was built for unsupported file format which
> is not the architecture being linked (i386)
> ld: warning: in /usr/local/lib/libSDLmain.a, file was built for unsupported
> file format which is not the architecture being linked (i386)
> ld: warning: in /usr/local/lib/libSDL.dylib, file was built for unsupported
> file format which is not the architecture being linked (i386)
>
> This means that you have a 32 bits GHC but gcc compiles to 64 bits. You
> have
> 3 options: give up, cross-compile c_main.c and sdl to 32 bits, compile and
> install a custom haskell-plataform enabling 64 bits support.
>
> Good luck, you will need it!
>
> PD: With cabal is a little more easy, see TimePiece as example [3].
>
> [1] https://gist.github.com/839329
> [2] https://gist.github.com/839340
> [3] http://hackage.haskell.org/package/TimePiece
>
>
> 2011/2/21 Tom Murphy <amindfv at gmail.com>
>
>> When I use Cabal to get any program which depends on the SDL library, this
>> is the error I get.
>>
>> "
>> checking for sdl-config... no
>> checking for sdl11-config... no
>> configure: error: *** SDL not found! Get SDL from www.libsdl.org.
>> If you already installed it, check it's in the path. If problem remains,
>> please send a mail to the address that appears in ./configure --version
>> indicating your platform, the version of configure script and the problem.
>> cabal: Error: some packages failed to install:
>> Raincat-1.1.1.2 depends on SDL-0.6.2 which failed to install.
>> SDL-0.6.2 failed during the configure step. The exception was:
>> exit: ExitFailure 1
>> SDL-image-0.6.1 depends on SDL-0.6.2 which failed to install.
>> SDL-mixer-0.6.1 depends on SDL-0.6.2 which failed to install.
>> "
>>
>>
>> I have SDL 1.2.14 (correctly) installed on my system.
>> I'd really appreciate any help with this.
>>
>> Tom
>>
>> _______________________________________________
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>>
>>
>
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