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Re: [MacOS] compiling with link-time optimization

 

Hi,

built your branch on OS X.

Good thing is that build did work for me.
I just quickly fired up pcbnew and loaded an existing board… seems to work.

But, it doesn’t seem to have a real effect on code size (first one is my current working version, second one your branch):
bstegmaier$ ls -al /Applications/KiCad-5648/kicad.app/Contents/PlugIns/
total 58904
drwxr-xr-x  8 bstegmaier  admin       272  9 Mai 14:59 .
drwxr-xr-x  9 bstegmaier  admin       306  9 Mai 14:59 ..
-rwxr-xr-x  1 bstegmaier  admin   5683560  9 Mai 14:59 _cvpcb.kiface
-rwxr-xr-x  1 bstegmaier  admin   5652288  9 Mai 14:59 _eeschema.kiface
-rwxr-xr-x  1 bstegmaier  admin   2105068  9 Mai 14:59 _gerbview.kiface
-rwxr-xr-x  1 bstegmaier  admin   1797432  9 Mai 14:59 _pcb_calculator.kiface
-rwxr-xr-x  1 bstegmaier  admin  12970696  9 Mai 14:59 _pcbnew.kiface
-rwxr-xr-x  1 bstegmaier  admin   1944576  9 Mai 14:59 _pl_editor.kiface
bstegmaier$ ls -al bin/kicad.app/Contents/PlugIns/
total 57128
drwxr-xr-x  8 bstegmaier  staff       272 23 Mai 18:13 .
drwxr-xr-x  9 bstegmaier  staff       306 23 Mai 18:13 ..
-rwxr-xr-x  1 bstegmaier  staff   5215564 23 Mai 18:13 _cvpcb.kiface
-rwxr-xr-x  1 bstegmaier  staff   5646432 23 Mai 18:13 _eeschema.kiface
-rwxr-xr-x  1 bstegmaier  staff   2103556 23 Mai 18:13 _gerbview.kiface
-rwxr-xr-x  1 bstegmaier  staff   1758640 23 Mai 18:13 _pcb_calculator.kiface
-rwxr-xr-x  1 bstegmaier  staff  12570984 23 Mai 18:13 _pcbnew.kiface
-rwxr-xr-x  1 bstegmaier  staff   1938952 23 Mai 18:13 _pl_editor.kiface

The comparison isn’t accurate in any way… both binaries do use different KiCad revisions and the build of your branch is done without github plugin, my working version is with github plugin.

Nevertheless… I think you would have expected a quite significant difference?


Regards,
Bernhard


> On 22.05.2015, at 16:51, Simon Richter <Simon.Richter@xxxxxxxxxx> wrote:
> 
> Hi,
> 
> I've submitted a branch for inclusion at
> 
> https://code.launchpad.net/~sjr/kicad/lto
> 
> that seeks to use link-time optimization when possible.
> 
> We've already established that this is broken on MSYS, so I'm going to
> disable it there, while it does some good on Linux. This leaves MacOS.
> 
> Could anyone try building a Release configuration both with and without
> this branch, and check that a) the build still works, and b) we get a
> significant reduction in size?
> 
> Thanks,
>   Simon
> 
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