Upgrade to Ubuntu 26.04

Author: MakisH

Vagrantfile

@@ -6,7 +6,7 @@ Vagrant.configure("2") do |config|
   # This allows us to create performance oriented images for Linux (libvirt) and Windows (hyperv).
   # However, it does not build: https://github.com/precice/vm/issues/83
   # config.vm.box = "generic/ubuntu2004"
-  config.vm.box = "bento/ubuntu-24.04"
+  config.vm.box = "bento/ubuntu-26.04"
 
   # We don't want the box to automatically update every time it starts.
   # We can instead handle updates internally, without destroying the machine.
@@ -18,9 +18,9 @@ Vagrant.configure("2") do |config|
     # Display the VirtualBox GUI when booting the machine
     vb.gui = true
     # Number of cores
-    vb.cpus = 2
+    vb.cpus = 4
     # Customize the amount of memory on the VM:
-    vb.memory = "2048"
+    vb.memory = "4096"
     # Video memory (the default may be too low for some applications)
     vb.customize ["modifyvm", :id, "--vram", "64"]
     # The default graphics controller is VboxSVGA. This seems to cause issues with auto-scaling.
@@ -32,8 +32,8 @@ Vagrant.configure("2") do |config|
   config.vm.provider :libvirt do |lv|
     lv.forward_ssh_port = true
     lv.title = "preCICE-VM"
-    lv.cpus = 2
-    lv.memory = 2048
+    lv.cpus = 4
+    lv.memory = 4096
   end
 
   # Install a desktop environment and basic tools
@@ -56,8 +56,7 @@ Vagrant.configure("2") do |config|
 
   # NOTE: In Ubuntu 24.04, building ASTE will succeed, but running the aste-turbine tutorial, for example, will break.
   # See the documentation: https://precice.org/tooling-aste.html#dependencies
-  # Disabling until the upgrade to Ubuntu 26.04
-  # config.vm.provision "shell", path: "provisioning/install-aste.sh", privileged: false
+  config.vm.provision "shell", path: "provisioning/install-aste.sh", privileged: false
 
   # Install additional packages for training
   config.vm.provision "shell", path: "provisioning/install-training-python.sh", privileged: false

provisioning/install-fenics.sh

@@ -1,11 +1,8 @@
 #!/usr/bin/env bash
 set -ex
 
-# Install FEniCS from APT
-sudo apt-get install -y software-properties-common
-sudo add-apt-repository -y ppa:fenics-packages/fenics
 sudo apt-get -y update
-sudo apt-get -y install --no-install-recommends fenics
+sudo apt-get -y install fenics
 
 # Install the FEniCS-preCICE adapter from PIP
 # python -m venv ~/python-venvs/fenicsprecice

provisioning/install-precice.sh

@@ -13,6 +13,10 @@ fi
 (
     cd precice
     git pull
+    
+    # Patch for Ubuntu 26.04, see https://github.com/precice/precice/commit/6a0be7aa64087f21740c566921e83e97e03e1067
+    sed -i 's/libxml2/libxml2-dev/g' cmake/CPackConfig.cmake
+
     mkdir -p build && cd build/
     cmake -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=RelWithDebInfo -DPRECICE_RELEASE_WITH_DEBUG_LOG=ON -DBUILD_TESTING=OFF -Wno-dev ..
     make -j "$(nproc)"
@@ -43,9 +47,6 @@ fi
 (
     cd tutorials/quickstart/solid-cpp/ && cmake . && make
 )
-(
-    cd tutorials/heat-exchanger && ./download-meshes.sh
-)
 sudo apt-get -y install gnuplot # needed for watchpoint scripts of tutorials
 
 

provisioning/install-su2.sh

@@ -9,14 +9,12 @@ python -m pip install mpi4py setuptools # pyprecice is installed by the tutorial
 sudo apt-get -y install swig
 
 # Get SU2 7.5.1 from GitHub
-wget --quiet  https://github.com/su2code/SU2/archive/refs/tags/v7.5.1.tar.gz
-tar -xzf v7.5.1.tar.gz
-rm -fv v7.5.1.tar.gz
+git clone --depth=1 --branch=v7.5.1 --recurse-submodules https://github.com/su2code/SU2.git
 
 # Add SU2 and the SU2 adapter to PATH and apply.
 # We first export to a separate script, so that we can load it here (non-interactive shell).
 {
-    echo "export SU2_HOME=\"\${HOME}/SU2-7.5.1\""
+    echo "export SU2_HOME=\"\${HOME}/SU2\""
     echo "export SU2_RUN=\"\${SU2_HOME}/SU2_CFD\""
     echo "export PATH=\"\${SU2_RUN}/bin/:\${HOME}/su2-adapter/run/:\${PATH}\""
     echo "export PYTHONPATH=\"\${SU2_RUN}/bin/:\${PYTHONPATH}\""
@@ -42,12 +40,29 @@ fi
 
     # Add a previously implied header (compatibility with Ubuntu 24.04)
     sed -i '1s/^/#include <cstdint>\n/' SU2_CFD/src/output/filewriter/CParaviewXMLFileWriter.cpp
+    sed -i '1s/^/#include <cstdint>\n/' SU2_CFD/src/SU2_CFD.cpp
 
-    ./meson.py build -Denable-pywrapper=true --prefix="${SU2_RUN}" &&\
+    # Replace pipes with shlex in Ninja configure (compatibility with Ubuntu 26.04 and Python >= 3.13)
+    # See https://github.com/ninja-build/ninja/commit/9cf13cd1ecb7ae649394f4133d121a01e191560b
+    sed -i 's/pipes/shlex/g' externals/ninja/configure.py
+
+    # Disable CGNS with -Denable-cgns=false. Workaround for:
+    # default: FAILED: externals/cgns/libcgns.a.p/adf_ADF_internals.c.o
+    # default: cc -Iexternals/cgns/libcgns.a.p -Iexternals/cgns -I../externals/cgns -Iexternals/cgns/hdf5 -I../externals/cgns/hdf5 -I/usr/lib/x86_64-linux-gnu/openmpi/include -I/usr/lib/x86_64-linux-gnu/openmpi/include/openmpi -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -std=c99 -O3 -fPIC -Wno-unused-result -Wno-unused-parameter -Wno-unused-variable -Wno-unused-but-set-variable -Wno-sign-compare -Wno-error=unused-function -Wno-pedantic -Wno-error=stringop-truncation -Wno-stringop-truncation -Wno-error=absolute-value -Wno-error=class-memaccess -MD -MQ externals/cgns/libcgns.a.p/adf_ADF_internals.c.o -MF externals/cgns/libcgns.a.p/adf_ADF_internals.c.o.d -o externals/cgns/libcgns.a.p/adf_ADF_internals.c.o -c ../externals/cgns/adf/ADF_internals.c
+    # default: ../externals/cgns/adf/ADF_internals.c: In function ‘ADFI_open_file’:
+    # default: ../externals/cgns/adf/ADF_internals.c:194:17: error: implicit declaration of function ‘fileno’ [-Wimplicit-function-declaration]
+    # default:   194 | # define FILENO fileno
+    # default:       |                 ^~~~~~
+    # default: ../externals/cgns/adf/ADF_internals.c:5531:32: note: in expansion of macro ‘FILENO’
+    # default:  5531 |    f_ret = ftmp == NULL ? -1 : FILENO(ftmp);
+    # default:       |                                ^~~~~~
+    #
+    # Also set -Denable-tecio=false, as it is not needed, to save space.
+    ./meson.py build -Denable-pywrapper=true -Denable-cgns=false -Denable-tecio=false --prefix="${SU2_RUN}" &&\
     ./ninja -C build install
 )
 
 # Remove the libSU2Core.a library to save space (approx. 500MB)
-rm -fv ~/SU2-7.5.1/SU2_CFD/obj/libSU2Core.a
+rm -fv ~/SU2/SU2_CFD/obj/libSU2Core.a
 
 deactivate

provisioning/install-training-fsi.sh

@@ -11,7 +11,7 @@ pipx install ccx2paraview
 # FreeCAD AppImage from https://www.freecad.org/downloads.php (~780MB)
 (
   cd ~/Desktop
-  wget https://github.com/FreeCAD/FreeCAD/releases/download/1.1.1/FreeCAD_1.1.1-Linux-x86_64-py311.AppImage
+  wget --quiet https://github.com/FreeCAD/FreeCAD/releases/download/1.1.1/FreeCAD_1.1.1-Linux-x86_64-py311.AppImage
   mv FreeCAD_1.1.1-Linux-x86_64-py311.AppImage FreeCAD.AppImage
   chmod +x FreeCAD.AppImage
 )