On 21.06.2015 5:44, John E. / TDM wrote: > On 6/20/2015 8:25 PM, Edward Diener wrote: >> Any timeframe for a gcc 5.1 release ? I noticed the latest mingw-64 >> install now has gcc-5.1, but it has the same hardcoded to c:\mingw >> limitation which my OP is about. > > My experience in the past with other GCC toolchains was that they tended > to have enough usable relative search paths that you could still move > them around wherever you want, as long as you didn't put *anything* at > the hardcoded locations (/mingw or the like). That said, I haven't tried > this with a MinGW-w64-based toolchain other than my own in a while. >
This is correct. Windows versions of gcc are fully relocatable (and were for years), the only problem you'll encounter with unpatched (or poorly-configured) gcc build is that anything in <current drive>\mingw\(include|lib) (or whatever the hardcoded path ends up pointing at) will be used by gcc (which is usually not what you want). Back when i still used mingw.org, they had /mingw path hardcoded and would therefore suck up anything in <currentdrive>\mingw\(include|lib). This is/was a widely-known bug. Many builds (especially of Mingw-w64) hardcode (again, hardcoding is not intentional, it's a side effect of the build process that no one bothers to try to eliminate) an absolute DOS path to a directory that is unlikely to exist, thus sidestepping the issue this way. My solution, which eliminates the problem completely (AFAICS) was outlined earlier. Other builds may have something similar going as well. What you see as an archaic engineering feat that should be fixed as a bug is actually a quirk of a very complex non-Windows-oriented buildsystem of a piece of software that is very strict on what changes are accepted (especially to the buildsystem), who are they accepted from (you need to do a copyright assignment to contribute to gcc) and how they are vetted. This is just not worth bothering with for anyone who knows what the problem is. Fixing it on a per-build basis is easy enough. -- O< ascii ribbon - stop html email! - www.asciiribbon.org
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