I took a look at compiling SDL by hand to see if I could figure out what is going on. It looks like the SDL build on cygwin using .configure assumes you'll want the native win32 build of SDL. As far as I can tell, the X11 version of SDL should work as well---we'll just have to rework the configure.in so it doesn't force win32 when all that perfectly good X11 stuff is already there... sigh.
I'll put fixing the SDL configure.in to allow cygwin to build with X11 (as in *all* the other unix-ish systems) on the to do when I get around to it list. Thanks for taking a look at the problem. I think I can move forward with the SDL specific stuff on the native win32 perls (even though I would like to be able to run on cygwin as well). Cheers, Chris On Mon, Jul 11, 2011 at 9:34 AM, <em...@froggs.de> wrote: > After setting the include and lib dirs right and patching SDL's configure > and configure.in scripts to no set -mno-cygwin i was able to compile a bit. > > But this ends up with stuff like: > ./src/thread/win32/SDL_systhread.c:98: error: ‘_beginthreadex’ undeclared > > See also: > http://www.cygwin.com/ml/cygwin/2009-08/msg00280.html > > So now i'm trying to use mingw gcc. > > > Zitat von chm <devel.chm...@gmail.com>: > >> On 7/11/2011 1:46 AM, Tobias Leich wrote: >>> >>> What did you do to your cygwin system? Shouldn’t be 'gcc' cygwins gcc? >> >> Got a current cygwin? >> >> As I mentioned, the -mno-cygwin option has been removed >> from gcc (a.k.a. gcc-4) on cygwin now. If you wish to >> use the -mno-cygwin option, then the gcc-3 compiler needs >> to be explicitly requested. >> >> E.g., >> >>> $ gcc -v >>> Using built-in specs. >>> Target: i686-pc-cygwin >>> Configured with: >>> /gnu/gcc/releases/respins/4.3.4-3a/gcc4-4.3.4-3/src/gcc-4.3.4/configure >>> --srcdir=/gnu/gcc/releases/respins/4.3.4-3a/gcc4-4.3.4-3/src/gcc-4.3.4 >>> --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin >>> --libexecdir=/usr/lib --datadir=/usr/share --localstatedir=/var >>> --sysconfdir=/etc --infodir=/usr/share/info --mandir=/usr/share/man >>> --datadir=/usr/share --infodir=/usr/share/info --mandir=/usr/share/man -v >>> --with-gmp=/usr --with-mpfr=/usr --enable-bootstrap >>> --enable-version-specific-runtime-libs --with-slibdir=/usr/bin >>> --libexecdir=/usr/lib --enable-static --enable-shared >>> --enable-shared-libgcc --disable-__cxa_atexit --with-gnu-ld --with-gnu-as >>> --with-dwarf2 --disable-sjlj-exceptions >>> --enable-languages=ada,c,c++,fortran,java,objc,obj-c++ --disable-symvers >>> --enable-libjava --program-suffix=-4 --enable-libgomp --enable-libssp >>> --enable-libada --enable-threads=posix --with-arch=i686 --with-tune=generic >>> --enable-libgcj-sublibs CC=gcc-4 CXX=g++-4 CC_FO >> >> R_TARGET=gcc-4 CXX_FOR_TARGET=g++-4 GNATMAKE_FOR_TARGET=gnatmake >> GNATBIND_FOR_TARGET=gnatbind --with-ecj-jar=/usr/share/java/ecj.jar >>> >>> Thread model: posix >>> gcc version 4.3.4 20090804 (release) 1 (GCC) >>> >> >> and >> >>> $ gcc-3.exe -v >>> Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs >>> Configured with: >>> /managed/gcc-build/final-v3-bootstrap/gcc-3.4.4-999/configure --verbose >>> --program-suffix=-3 --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc >>> --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man >>> --infodir=/usr/share/info >>> --enable-languages=c,ada,c++,d,f77,pascal,java,objc --enable-nls >>> --without-included-gettext --enable-version-specific-runtime-libs >>> --without-x --enable-libgcj --disable-java-awt --with-system-zlib >>> --enable-interpreter --disable-libgcj-debug --enable-threads=posix >>> --enable-java-gc=boehm --disable-win32-registry --enable-sjlj-exceptions >>> --enable-hash-synchronization --enable-libstdcxx-debug >>> Thread model: posix >>> gcc version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125) >>> >> >> The default compiler in current cygwin installs is >> gcc-4 which is the difference. Does SDL not build >> on cygwin as an X11+unix platform? >> >> --Chris >> >>> -----Ursprüngliche Nachricht----- >>> Von: chm [mailto:devel.chm...@gmail.com] >>> Gesendet: Montag, 11. Juli 2011 03:24 >>> An: Tobias Leich >>> Betreff: Re: Perl OpenGL Project >>> >>> Same problem: >>> >>> configure:27759: result: no >>> configure:27764: error: >>> *** Your compiler (gcc) does not produce Win32 executables! >>> >>> I think the normal cygwin gcc + X11 version of SDL >>> stands the best chance. >>> >>> Cheers, >>> Chris >>> >>> On 7/10/2011 6:19 PM, chm wrote: >>>> >>>> I'll give the zipball a try. I just installed >>>> SDL on a strawberry perl portable 5.12.3 install >>>> so that looks good to go. I'll have to verify >>>> that it works but all tests pass... >>>> >>>> Cheers, >>>> Chris >>>> >>>> On 7/10/2011 5:59 PM, chm wrote: >>>>> >>>>> On 7/10/2011 5:15 PM, Tobias Leich wrote: >>>>>> >>>>>> I am using cygwins gcc-3.4.4 with -mno-cygwin to build Alien::SDL. >>>>> >>>>> It should work if you force gcc-3.4.4 but that is >>>>> probably not a solution going forward. >>>>> >>>>>> However I have to remove this option in Alien::SDL::ConfigData to be >>>>>> able to >>>>>> build SDL. I guess this is because cygwins perl isnt built with >>>>>> -mno-cygwin. >>>>> >>>>> Yes, -mno-cygwin and the cygwin DLL are incompatible. >>>>> >>>>>> Can you try to install this instead of the current cpan version? >>>>>> https://github.com/PerlGameDev/Alien-SDL/zipball/master >>>>> >>>>> I'll give it a go. >>>>> >>>>>> Btw, I hope there are ppl who will use cygwin + SDL + ..., because >>>>>> this will >>>>>> take some more work. >>>>> >>>>> I don't know how much of a pain it would be to >>>>> resolve the -mno-cygwin, mingw gcc configuration >>>>> issues for cygwin. Can't SDL build with X11? >>>>> >>>>> That should be able to use the existing cygwin >>>>> gcc and infrastructure without -mno-cygwin stuff. >>>>> It will use sw rendering but the new X11 server >>>>> for cygwin has an accelerated option using win32 >>>>> OpenGL under the hood. >>>>> >>>>> I can use SDL + ActivePerl or Strawberry perl >>>>> for the pure win32 environment assuming Alien::SDL >>>>> works there. >>>>> >>>>> FWIW, that is what I did with Perl OpenGL for >>>>> cygwin---defaulted to X11+GLX for a few years >>>>> until I got around to sorting out the glitches. >>>>> Other than slowness, it worked ok. >>>>> >>>>> Thanks for taking a look. >>>>> >>>>> --Chris >>>>> >>>>>> Cheers, >>>>>> FROGGS > > >
