Windows under msys2

(note: instructions may be out of date)

• Install MSYS from https://www.msys2.org/

• Launch MSYS via the "MSYS2 MinGW x64" shortcut.

• Download fresh MSYS package databases and upgrade installed packages by running pacman -Syu twice.

• Install Elmer MSYS dependencies: ** pacman -S --noconfirm --needed base-devel mingw-w64-x86_64-toolchain mingw64/mingw-w64-x86_64-cmake mingw64/mingw-w64-x86_64-openblas mingw64/mingw-w64-x86_64-qt5 mingw64/mingw-w64-x86_64-qwt-qt5 mingw64/mingw-w64-x86_64-nsis git

• Get the Elmer source code: ** git clone https://github.com/ElmerCSC/elmerfem

• Create directories required for building a local Elmer install ** mkdir -p bundle_msys2/bin bundle_qt5/bin platforms

• Create a build directory for build artifacts ** mkdir -p build

• Run CMake to prepare the build with executable binaries in an "install" directory. Note that the QWT_INCLUDE_DIR needs to be correctly set to match the MSYS installation location. ** cd build ** cmake -G "MSYS Makefiles" -DWITH_ELMERGUI:BOOL=TRUE -DWITH_MPI:BOOL=FALSE -DCMAKE_INSTALL_PREFIX=../install -DCMAKE_Fortran_COMPILER=/mingw64/bin/gfortran.exe -DQWT_INCLUDE_DIR=C:/msys64/mingw64/include/qwt-qt5/ -DWIN32:BOOL=TRUE -DCPACK_BUNDLE_EXTRA_WINDOWS_DLLS:BOOL=TRUE ../elmerfem

• Build the source code and create a local installation ** make install

• Copy additional dependencies from /mingw64/bin/ to the "install" directory: ** libgfortran-5.dll libgcc_s_seh-1.dll libopenblas.dll libquadmath-0.dll libwinpthread-1.dll libstdc++-6.dll qwt-qt5.dll libdouble-conversion.dll libicuin69.dll libicuuc69.dll libpcre2-16-0.dll libharfbuzz-0.dll libmd4c.dll libpng16-16.dll zlib1.dll libzstd.dll libicudt69.dll libfreetype-6.dll libglib-2.0-0.dll libgraphite2.dll libintl-8.dll libbz2-1.dll libbrotlidec.dll libpcre-1.dll libiconv-2.dll libbrotlicommon.dll

• Copy Qt platform dependencies into the "install/bin/platforms" directory ** cp /mingw64/share/qt5/plugins/platforms/qwindows.dll ../install/bin/platforms

• Binaries like ElmerSolver.exe or ElmerGUI.exe can now be run from the ../install/bin directory.

//=== Package managers

//[.text-center] //image::https://repology.org/badge/vertical-allrepos/elmerfem.svg["Packaging status", link=https://repology.org/project/elmerfem/versions]

//==== Chocolatey

//[.text-center] //image:https://img.shields.io/chocolatey/dt/elmer-mpi["Chocolatey", link=https://chocolatey.org/packages/elmer-mpi]