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(This is still a very early message, meant to keep you informed. There will be more urgent ones in the future.)

Commit ed3f485e authored by Lukas Riedel's avatar Lukas Riedel
Browse files

Hint macOS users to install OS updates in README

parent 9390c2af
......@@ -63,7 +63,7 @@ by CI tests.
| Software | Version/Branch | Comments |
| ---------| -------------- | -------- |
| CMake | 3.10.2 |
| GCC | 7.3 | Alternatively: LLVM Clang >=6
| GCC | 7.3 | Alternatively: LLVM Clang >=6, or Apple Clang 10
| git |
| pkg-config |
| HDF5 | 1.10 | with MPI support
......@@ -104,6 +104,8 @@ If you installed [Anaconda](
xcode-select --install
Make sure you have no pending software updates for your respective version of macOS!
2. Install third party packages:
......@@ -149,8 +151,6 @@ If you installed [Anaconda](
to build all DUNE modules. Additionally, you can add `MAKE_FLAGS="-j X"` before the call to `dunecontrol` to compile on `X` processes in parallel.
**Warning:** Users of **macOS** with Apple Clang version >=10 need to append `-DDUNE_HAVE_CXX_OPTIONAL=Off` to the `CMAKE_FLAGS`.
If you installed software into paths not appended to your `PATH` variable, you will have to add `CMAKE_FLAGS` to the call to make sure that CMake finds all packages. Alternatively, you can add a custom options file. See the [DUNE Installation Instructions]( for details. CMake will throw an error if required packages are not found.
**Warning:** Anacoda supplies its own version of HDF5 which is typically found first by CMake. If you have Anaconda installed on your machine, add
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