On 6/18/2013 4:47 AM, Andy Polyakov via RT wrote: >> For FreeBSD 10 we have changed /usr/lib/libc.so to be a text linker >> script and no longer a symlink. This breaks the config check on i386 for >> what binary format to use when building with ASM support. The current >> config check expects /usr/lib/libc.so to symlink to a /usr/lib/libc.so.X >> file to run file(1) against. For FreeBSD the real libc.so is in >> /lib/libc.so.X. >> >> Because the proper libc.so is not found, a.out format is chosen when >> using ASM and the build fails. >> >> With patch: >> Operating system: i386-pc-freebsd8.3 >> Configuring for BSD-x86-elf >> [...] >> Build passes. >> >> >> I have 2 proposed patches which solve the problem. Only 1 is needed. >> >> 1. Use file(1) against /bin/sh for all BSD platforms. I believe this >> will be more portable long-term. It will determine the binary type, >> regardless of where libc.so is or how it is setup. Note that -L is used >> to follow symlink incase someone symlinks /bin/sh to something else. >> >> http://people.freebsd.org/~bdrewery/openssl-ldscript-elf-bin-sh.diff >> >> 2. Or just include /lib/libc.so.* in the search path to run file(1) >> against. I prefer #1 as it is possible that /usr/lib/libc.so is >> symlinked to a libc.ld script, which cause file(1) to return 'ASCII' and >> the config falls back on a.out. >> >> http://people.freebsd.org/~bdrewery/openssl-ldscript-elf-lib-libc.diff > > We have to remember that those lines serve several BSD flavours and > preferred choice should be least invasive,
Right. The entire script is running through /bin/sh, so it is guaranteed to be there. I really have no preference on which, if either, is taken. i.e. #2. But before we > proceed could you answer couple of questions? Is it possible to run > 32-bit x86 binaries on x86_64 FreeBSD system? Yes > Compile 32-bit program? Yes > How multi-lib is handled, i.e. where are 32- and 64-bit shared libraries > reside? Well, this is unlikely to affect the decision, I'm simply using > the opportunity to learn something that can affect future decisions. Thanks. > We have 32bit compat libraries in /usr/lib32 on 64bit hosts. -- Regards, Bryan Drewery
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