[cmake-developers] CMake 3.1 regression with incremental builds ?

[clinton at elemtech.com]

I've put in a fix for this.
580b668d genex: Preserve order while evaluating TARGET_OBJECTS

Can we put this in RC 2?

Clint

----- Original Message -----
> 
> Using the netcdf project
> ftp://ftp.unidata.ucar.edu/pub/netcdf/netcdf-4.3.2.tar.gz
> 
> I see a problem with incremental builds doing a relink of libraries.  Within
> my project, this leads to unnecessarily relinking of many executables every
> time I run cmake.
> 
> For example:
> 
> tar zxf netcdf-4.3.2.tar.gz
> cd netcdf-4.3.2
> mkdir build
> cd build
> cmake ../
> git init .
> git add .
> git commit -m"init"
> cmake ../
> git diff
> 
> 
> These files have modifications in them which will lead to relinking.
> liblib/CMakeFiles/netcdf.dir/build.make
> liblib/CMakeFiles/netcdf.dir/link.txt
> 
> I see object files listed in a random order.  Perhaps there is a std::set
> used
> somewhere in CMake or something.
> 
> I do not see this behavior with CMake 3.0.2.
> 
> Clint
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