Commits on Jun 25, 2024

1. Add support for profiled dynamic way …

   New options for cabal.project and ./Setup interface:
   
   * `profiling-shared`: Enable building profiling dynamic way
   * Passing `--enable-profiling` and `--enable-executable-dynamic` builds
     profiled dynamic executables.
   
   Support for using `profiling-shared` is guarded behind a constraint
   which ensures you are using `Cabal >= 3.13`.
   
   In the cabal file:
   
   * `ghc-prof-shared-options`, for passing options when building in
     profiling dynamic way
   
   Other miscellenious fixes and improvements
   
   * Some refactoring around ways so that which
     ways we should build for a library, foreign library and executable is
     computed by the `buildWays` function (rather than ad-hoc in three
     different places).
   
   * Improved logic for detecting whether a compiler supports compiling
     a specific way. See functions `profilingVanillaSupported`,
     `dynamicSupported`, `profilingDynamicSupported` etc
     These functions report accurate infomation after ghc-9.10.1.
   
   * Fixed logic for determining whether to build shared libraries. (see
     haskell#10050)
     Now, if you explicitly enable `--*-shared`, then that will always take
     effect. If it's not specified then `--enable-executable-dynamic` will
     turn on shared libraries IF `--enable-profiling` is not enabled.
   
   * Remove assumption that dynamically linked compilers can build dynamic
     libraries (they might be cross compilers.
   
   * Query the build compiler to determine which library way is necessary
     to be built for TH support to work.
     (rather than assume all compilers are dynamically linked)
   
   * An extensive test which checks how options for `./Setup` and
     `cabal-install` are translated into build ways.
   
   Fixes haskell#4816, haskell#10049, haskell#10050

   

   mpickering authored and Mikolaj committed Jun 25, 2024
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