Richard W.M. Jones wrote: > On Tue, Oct 07, 2008 at 11:12:09AM -0400, Jeremy Katz wrote: >> On Tue, 2008-10-07 at 14:35 +0100, Richard W.M. Jones wrote: >>> I've got a nasty program I'm trying to package for Fedora. To cut a >>> very long story short, this C/C++ mixed program started out on Windows >>> and makes lots of 32 bit assumptions. So it's compiled with 'gcc -m32'. >>> >>> Expressing the build requirements so it can build on a 64 bit platform >>> is proving troublesome. (It builds fine on i386). >> In general, for these situations the right answer is to ExcludeArch and >> file the appropriate tracking bugs rather than trying to do 32-bit >> builds on a 64-bit arch. The latter is only done in a few special cases >> (bootloaders mainly) which don't have any external deps > > The issues is actually weirder / more complicated than I thought. > (But hey, Windows software, what do you expect :-) > > It turns out that it's not just built for 32 bit because of the > general hideousness of the code, but because it builds Windows 32 bit > plugins. Somehow -- and I've no idea how it does this -- the Windows > plugins get loaded into the native Fedora binary at runtime. Even > though the main binary is Fedora native, it still has to be built as > 32 bit to achieve this minor miracle. > > The package is NSIS, in case you were wondering ... > > http://hg.et.redhat.com/misc/fedora-mingw--devel/?cmd=manifest;manifest=d9257c5046c7e63b8c00d01528031f14cf6fc319;path=/nsis/ > > http://www.annexia.org/tmp/mingw/fedora-9/x86_64/RPMS/mingw32-nsis-2.39-3.fc9.x86_64.rpm > > $ file /usr/bin/makensis > /usr/bin/makensis: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.9, stripped > $ file /usr/share/nsis/Stubs/zlib > /usr/share/nsis/Stubs/zlib: PE32 executable for MS Windows (GUI) Intel 80386 32-bit > $ strace makensis --help 2>&1 | egrep '(Plugins|Stubs)' > open("/usr/share/nsis/Stubs/zlib", O_RDONLY) = 3 > open("/usr/share/nsis/Stubs/uninst", O_RDONLY) = 3 > > I guess if we ExcludeArch we'll still be OK because x86-64 users will > be able to install and use the i386 version? Weirder still. How does zlib get built anyway? Andrew. -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
