shark: fix build with boost187

Author: tobim

pkgs/by-name/sh/shark/package.nix

@@ -23,6 +23,11 @@ stdenv.mkDerivation (finalAttrs: {
   # c.f https://github.com/Shark-ML/Shark/commit/221c1f2e8abfffadbf3c5ef7cf324bc6dc9b4315
   patches = [ ./shark-2-ext-num-literals-all.diff ];
 
+  # Remove explicitly setting C++11, because boost::math headers need C++14 since Boost187.
+  postPatch = ''
+    sed -i '/CXX_STANDARD/d' src/CMakeLists.txt
+  '';
+
   # https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/-/blob/develop/SuperBuild/CMake/External_shark.cmake?ref_type=heads
   cmakeFlags = [
     "-DBUILD_SHARED_LIBS=ON"