Build gdc on Windows - GDB compatibility

[Johannes Pfau via D.gnu]

Am Fri, 05 Feb 2016 11:06:16 +0000
schrieb Vadim Lopatin <coolreader.org at gmail.com>:

> On Wednesday, 3 February 2016 at 13:50:56 UTC, Johannes Pfau 
> wrote:
> > (Pre-)Alpha quality binaries are available, but we don't want to
> > advertise these on the homepage:
> > ftp://ftp.gdcproject.org/binaries/5.2.0/x86_64-w64-mingw32/gdc-5.2.0+2.066.1.7z
> > ftp://ftp.gdcproject.org/binaries/5.2.0/i686-w64-mingw32/gdc-5.2.0+2.066.1.7z  
> 
> Binaries generated by GDC/mingw have a problem with debugging 
> using GDB.
> 
> Setting of breakpoints, stepping by lines work ok.
> 
> Showing of local variables for frame works strange
> 
> -stack-list-variables --thread 1 --frame 0 --simple-values
> 
> Instead of locals, I see a list of some global static variables, 
> like typeinfo and init values, e.g.:
> 
>      variables = [
>              {
>                  name = 
> "5TypeInfo_S4core8demangle16__T6mangleTFZPvZ6mangleFNaNbNfAxaAaZ11DotSplitte()",
>                  type = "TypeInfo_Struct"
>          },
>              {
>                  name = 
> "std.uni.SliceOverIndexed!(int[]).SliceOverIndexed.__init",
>                  type = "const struct SliceOverIndexed"
>          },
> 
> No local variables are shown.
> 
> Is it GDC or GDB issue?
> 

Could be both. I don't think the GDB/GDC combination has been tested on
windows.

You should use a very recent GDB version for the GCC5 builds
though. http://msys2.github.io/ provides a mingw-w64-gdb 7.10.1 package.