Commits on Sep 30, 2020

1. Add an option to keep native debug symbols …

   When packaging .NET for Linux distributions, the package builders
   generally use a different workflow for shipping symbols to users:
   
   1. The package maintainer builds code with the debug flags (such as
      `-g`) to generate full native debug info and symbols.
   
   2. Nothing is stripped from build by the package maintainer.
   
   3. The build system (`rpmbuild`, `debuild`) removes the debug
      info (or debug symbols) from the code and creates separate
      `-debuginfo` or `-debug` packages that contain just the debug
      symbols.
   
   4. These debug packages are then distributed along with the normal
      packages using the normal Linux distribution mechanisms. This lets
      users install the exact set of debug symbols matching their other
      package.
   
   To support this workflow in dotnet/runtime, we need to add optional
   support for not stripping debug symbols. I used it has follows:
   
       CFLAGS=-g CXXFLAGS=-g ./build.sh --keepnativesymbols true
   
   After this build, the built binaries include all debug symbols.
   
   I can then rely on the distro package build system to identify, strip,
   package and ship the debug info/symbols separately.
   
   See dotnet#3781 and
   dotnet/source-build#267 for more details on
   the background and motivation.
   
   For some related fixes, see:
   
   - dotnet/coreclr#3445
   - dotnet/corefx#24979

   

   omajid committed Sep 30, 2020
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