2011/9/21 Jon <[email protected]>
> > >>> I'm working on an app (targeted to run on WinXP_SP2+) having DLLs
> with runtime dependencies on the particular MinGW-w64 `libgcc_s_sjlj-1.dll`
> and `libstdc++-6.dll` artifacts used to build the app. As such, these
> specific artifact versions will need to be placed on the end users PATH.
> > >>>
> > >>> I'm interested in hearing whether others have discovered particularly
> clever examples of automating a build process to ensure the build's
> install/archive step includes the correct versions of these MinGW-w64
> toolchain artifacts.
> > >>
> > >> Why not just bundle the DLLs along side the user executable?
> > >
> > > Yes, that's the current plan.
> > >
> > > I'm looking for a way to automate the build to copy those deps
> alongside the user executable without needing new env vars or hardcoded
> paths that make the build too tweaky.
> > >
> > > For example, let's say I build by pulling the MinGW-w64 toolchain and
> friends onto PATH like
> > >
> > > PATH=C:\Devkit-w64\bin;C:\Devkit-w64\mingw\bin;...
> > >
> > > in which MSYS and others live in C:\Devkit-w64\bin and key MinGW-w64
> artifacts live in C:\Devkit-w64\mingw\bin.
> > >
> > > I'd like the build process (non-make running on Windows) to be able to
> reach into C:\Devkit-w64\mingw\bin (in this specific case, not generally)
> and copy dep DLLs as part of an install/package step by cajoling gcc (or
> something else in MinGW-w64) into telling me where it's running from (e.g. -
> `gcc -print-search-dirs`), easily parsing it's output, and building up the
> DLL paths for use by `cp`.
> > >
> > > I was hoping someone may have come across a clever solution to
> something similar. Or an easier way of looking at it ;)
> >
> > Did you try with `which gcc` and starting from there?
>
> Yes, thanks. But I haven't spent enough time thinking about an easy way to
> use following to translate the `which gcc` path back to the cmd.exe friendly
> version...likely will settle on a (hopefully non-fragile) regex on the `sh
> -c "mount"` output.
>
Bash has which, cmd has "where". The latter outputs all occurences on PATH
though, not only the first.
Ruben
>
> C:\Users\Jon\Documents>which gcc
> 'which' is not recognized as an internal or external command,
> operable program or batch file.
>
> C:\Users\Jon\Documents>sh -c "which gcc"
> /usr/mingw/bin/gcc
>
> C:\Users\Jon\Documents>sh -c "mount -l"
> /usr/bin/mount: /etc/fstab.conf: configuration file not found
>
> C:\Users\Jon\Documents>sh -c "mount"
> C:\Users\Jon\AppData\Local\Temp on /tmp type user (binmode,noumount)
> C:\DevKit-w64 on /usr type user (binmode,noumount)
> C:\DevKit-w64 on / type user (binmode,noumount)
> c: on /c type user (binmode,noumount)
> d: on /d type user (binmode,noumount)
>
>
> Jon
>
> ---
> blog: http://jonforums.github.com/
> twitter: @jonforums
>
> Most people die of a sort of creeping common sense, and discover when it
> is too late that the only things one never regrets are one's mistakes.
> - Oscar Wilde
>
>
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