Re: Time for a MinGW-GDB Upgrade?

Keith Marshall <[email protected]> Wed, 22 Jul 2020 02:56:56 +0100

Newsgroups	gmane.comp.gnu.mingw.user
Organization	MinGW.org Project
Message-ID	<[email protected]>

On 21/07/2020 22:02, Keith Marshall wrote:
> but make fails:
> 
>   CPPFLAGS=-I/mingw/include make
>   ...
>     CXXLD  gdb.exe
>   make[3]: Entering directory '/.../gdb-9.2-mingw32-cross-native/gdb'
>   python//.deps/py-arch.Po:1: *** multiple target patterns.  Stop.
>   make[3]: Leaving directory '/.../gdb-9.2-mingw32-cross-native/gdb'
>   make[2]: *** [Makefile:1651: all] Error 2
>   make[2]: Leaving directory '/.../gdb-9.2-mingw32-cross-native/gdb'
>   make[1]: *** [Makefile:9571: all-gdb] Error 2
>   make[1]: Leaving directory '/.../gdb-9.2-mingw32-cross-native'
>   make: *** [Makefile:859: all] Error 2
> 
> What does this mean?

I decided to sleep on it, and the penny dropped: by using paths output
by the Windows python.exe, with the C: drive prefix in place, and mapped
into the Linux file system through a symbolic link called 'C:', make was
writing dependency files with extraneous colons in path names, which it
then interpreted as (invalid) separators, when it re-read the rules.

> How do I fix it?

I've kludged around it for now, by manually replacing all instances of
'C:/' with an alternative symlink name, in the generated dependency
files, then rerunning make from the point of failure.  I'll need to give
some more thought to how my win-python script maps path names for header
files, and library references; I'm guessing that the 'C:' should be
preserved in the 'exec-prefix'.

-- 
Regards,
Keith.

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