Dave Korn <dave.korn.cyg...@googlemail.com> writes: > On 17/04/2010 21:32, Paul Bibbings wrote: > >> The .dlls in question are: >> >> 21:10:29 Paul bibbi...@jijou >> ~ $ls -l /opt/gcc-4.5.0/bin | grep dll >> -rwxr-xr-x 1 ... 437743 Apr 15 09:08 cyggcc_s-1.dll >> -rwxr-xr-x 1 ... 271146 Apr 15 09:08 cyggomp-1.dll >> -rwxr-xr-x 1 ... 55679 Apr 15 09:08 cygssp-0.dll >> -rwxr-xr-x 1 ... 5829289 Apr 15 09:07 cygstdc++-6.dll >> >> Maybe I am missing something in having these in the first place. I >> didn't get any new .dlls for gcc-4.4.1, for instance: > > That'd be my fault. GCC never used to build DLLs for anything, except > libgcc, prior to 4.5. Now it does, for all languages. (At last, the simplest > possible "hello world" in java isn't 45 megabytes any more.) They install > into $bindir, because that's where they need to be to be found easily; > alongside the executables that require them. > > Like a lot of libraries, they occasionally sprout new interfaces, but they > should always remain backwardly-compatible. Applications compiled with older > GCC against older versions of the DLL ought to run just fine with the newer > ones (it's a bug if they don't), but of course applications compiled with the > newer compilers that actually make use of the new features in the newer > versions of the DLLs won't be able to work with older ones. > > From the end-user's point of view, the simple solution would be to not worry > about switching them round or alternatives or any of that, but just make sure > the newest ones are at the front of your $PATH at all times, you could even > feel free to install them straight into /usr/bin and just overwrite the > existing versions; everything should still work.
This last is good to know, and would essentially solve the issue for me. I shall give it a try and report back only if I encounter problems. Thanks for the clarification. (BTW. I'm guessing by "That'd be my fault" that you're working on gcc upstream?) Regards Paul Bibbings -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
