CMakeLists.txt

cmake_minimum_required(VERSION 3.14)
project(IGO CXX C)

# GoogleTest requires at least C++14
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

include(FetchContent)
FetchContent_Declare(
  googletest
  URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
)
# For Windows: Prevent overriding the parent project's compiler/linker settings
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake)
add_compile_options(-Werror=int-conversion -Werror=implicit-function-declaration -Werror=incompatible-pointer-types)

find_package(SuiteSparse_config REQUIRED)
find_package(CHOLMOD REQUIRED)

set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

# set root of location to find PETSc's pkg-config
set(PETSC $ENV{PETSC_DIR}/$ENV{PETSC_ARCH})
set(ENV{PKG_CONFIG_PATH} ${PETSC}/lib/pkgconfig)

# Remove the lines below if you do not wish to have PETSc determine the compilers
execute_process ( COMMAND pkg-config PETSc --variable=ccompiler COMMAND tr -d '\n' OUTPUT_VARIABLE C_COMPILER)
SET(CMAKE_C_COMPILER ${C_COMPILER})
execute_process ( COMMAND pkg-config PETSc --variable=cxxcompiler COMMAND tr -d '\n' OUTPUT_VARIABLE CXX_COMPILER)
if (CXX_COMPILER)
  SET(CMAKE_CXX_COMPILER ${CXX_COMPILER})
endif (CXX_COMPILER)
execute_process ( COMMAND pkg-config PETSc --variable=fcompiler COMMAND tr -d '\n' OUTPUT_VARIABLE FORTRAN_COMPILER)
if (FORTRAN_COMPILER)
  SET(CMAKE_Fortran_COMPILER ${FORTRAN_COMPILER})
  enable_language(Fortran)
endif (FORTRAN_COMPILER)

find_package(PkgConfig REQUIRED)
pkg_search_module(PETSC REQUIRED IMPORTED_TARGET PETSc)

include_directories(${SUITESPARSE_CONFIG_INCLUDE_DIR})
include_directories(${CHOLMOD_INCLUDE_DIR})
include_directories(src)
link_libraries(${SUITESPARSE_CONFIG_LIBRARY})
link_libraries(${CHOLMOD_LIBRARY})
link_libraries(PkgConfig::PETSC)

message(STATUS "${CHOLMOD_LIBRARY}")

add_subdirectory(src)
add_subdirectory(tests)