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Minimum compiler versions

mathplot makes extensive use of C++-20, including C++ modules.

C++ modules has been a big task for compiler and build-system developers to support.

For this reason, your compiler will need to be very up to date and may even not be able to compile mathplot.

I have had to write one or two workarounds, some of which had no effect on mathplot functionality, some of which meant I had to temporarily remove functionality for some platforms.

Tested compiler versions

mathplot will compile with clang-20 and up.

OS Compiler Version Result and reason
Ubuntu 24.04 g++ 16.1 So close! Bug 124888 needs to be resolved
Ubuntu 24.04 clang++ 20.0 Success
Ubuntu 26.04 clang++ 20.0 Success
Ubuntu 24.04 clang++ 22.0 Success
Windows VisualStudio 17.14.36510.44 Fails

I had hoped that mathplot would build with gcc 15. At the moment, building on gcc 15 (on the releases/gcc-15 branch) is blocked by the following issues:

Bug 124470 Bug 124888

Build with clang

mkdir build_clang
cd build_clang
CC=clang-20 CXX=clang++-20 cmake .. -GNinja
ninja

Build with gcc

mkdir build_gcc
cd build_gcc
CC=/opt/gcc-master/bin/gcc CXX=/opt/gcc-master/bin/g++ cmake .. -GNinja
ninja