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# cmake_minimum_required(VERSION 3.5.0)
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# set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
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# # set root of location to find PETSc's pkg-config
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# set(PETSC $ENV{PETSC_DIR}/$ENV{PETSC_ARCH})
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# set(ENV{PKG_CONFIG_PATH} ${PETSC}/lib/pkgconfig)
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# # Remove the lines below if you do not wish to have PETSc determine the compilers
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# execute_process ( COMMAND pkg-config PETSc --variable=ccompiler COMMAND tr -d '\n' OUTPUT_VARIABLE C_COMPILER)
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# SET(CMAKE_C_COMPILER ${C_COMPILER})
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# execute_process ( COMMAND pkg-config PETSc --variable=cxxcompiler COMMAND tr -d '\n' OUTPUT_VARIABLE CXX_COMPILER)
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# if (CXX_COMPILER)
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# SET(CMAKE_CXX_COMPILER ${CXX_COMPILER})
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# endif (CXX_COMPILER)
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# execute_process ( COMMAND pkg-config PETSc --variable=fcompiler COMMAND tr -d '\n' OUTPUT_VARIABLE FORTRAN_COMPILER)
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# if (FORTRAN_COMPILER)
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# SET(CMAKE_Fortran_COMPILER ${FORTRAN_COMPILER})
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# enable_language(Fortran)
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# endif (FORTRAN_COMPILER)
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# # tells CMake to build the application ex1 from the source file ex1.c
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# # this must appear AFTER the compilers are set
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# project(main)
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# add_executable(main main.c)
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# find_package(MPI REQUIRED)
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# include_directories(${MPI_INCLUDE_PATH})
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# find_package(PkgConfig REQUIRED)
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# pkg_search_module(PETSC REQUIRED IMPORTED_TARGET PETSc)
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# target_link_libraries(main PkgConfig::PETSC)
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cmake_minimum_required(VERSION 3.5.0)
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set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
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# Set root of location to find PETSc's pkg-config
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set(PETSC $ENV{PETSC_DIR}/$ENV{PETSC_ARCH})
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set(ENV{PKG_CONFIG_PATH} ${PETSC}/lib/pkgconfig)
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# Remove the lines below if you do not wish to have PETSc determine the compilers
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SET(CMAKE_C_COMPILER gcc)
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SET(CMAKE_CXX_COMPILER g++)
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SET(CMAKE_Fortran_COMPILER gfortran)
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enable_language(Fortran)
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# Tells CMake to build the application ex1 from the source file ex1.c
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# This must appear AFTER the compilers are set
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project(main)
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add_executable(main main.c)
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find_package(MPI REQUIRED)
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find_package(PkgConfig REQUIRED)
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pkg_search_module(PETSC REQUIRED IMPORTED_TARGET PETSc)
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target_link_libraries(main MPI::MPI_C MPI::MPI_CXX MPI::MPI_Fortran PkgConfig::PETSC)
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