>From a query to the SDL developers list, there appears to be a cygports version of SDL that uses gcc-4.3.4 and the X11 GLX instead of WGL. I haven't had a chance to try it but maybe it will resolve this issue as a binary install option:
http://cygwin-ports.git.sourceforge.net/git/gitweb.cgi?p=cygwin-ports/SDL;a=tree Cheers, Chris On Mon, Jul 11, 2011 at 9:44 AM, Chris Marshall <devel.chm...@gmail.com> wrote: > 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 >> >> >> >
