CMakeLists.txt

project(autogen CXX)
cmake_minimum_required(VERSION 3.13)

cmake_policy(SET CMP0003 NEW)
cmake_policy(SET CMP0057 NEW)
cmake_policy(SET CMP0077 NEW)
cmake_policy(SET CMP0079 NEW)

set(CMAKE_CXX_STANDARD 17)
if(MSVC)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /bigobj /std:c++17 /openmp")
endif(MSVC)

find_package(Eigen3)
find_package(Threads REQUIRED)

include(ExternalProject)

# Add CppAD as an external project and an imported target.  
ExternalProject_Add(CppAD-Project
PREFIX CppAD
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/CppAD
CMAKE_ARGS
  -Dcppad_prefix=${CMAKE_CURRENT_BINARY_DIR}/CppAD
UPDATE_COMMAND ""
# CONFIGURE_COMMAND ""
# CMAKE_COMMAND ""
# BUILD_COMMAND ""
# INSTALL_COMMAND ""
)
add_library(CppAD INTERFACE IMPORTED)
add_dependencies(CppAD CppAD-Project)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/CppAD/include)
target_include_directories(CppAD INTERFACE ${CMAKE_CURRENT_BINARY_DIR}/CppAD/include)
target_compile_definitions(CppAD INTERFACE -DUSE_CPPAD)

# Same for CppADCodeGen
ExternalProject_Add(CppADCodeGen-Project
PREFIX CppADCodeGen
SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/CppADCodeGen
CMAKE_ARGS
  -DCPPAD_INCLUDE_DIR=${CMAKE_CURRENT_BINARY_DIR}/CppAD/include
  -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}/CppADCodeGen
  -DGOOGLETEST_GIT=ON
UPDATE_COMMAND ""
# CONFIGURE_COMMAND ""
# CMAKE_COMMAND ""
# BUILD_COMMAND ""
# INSTALL_COMMAND ""
)
add_dependencies(CppADCodeGen-Project CppAD)
add_library(CppADCodeGen INTERFACE IMPORTED)
add_dependencies(CppADCodeGen CppAD-Project CppADCodeGen-Project)
if (Eigen3_FOUND)
  target_link_libraries(CppAD INTERFACE Eigen3::Eigen)
  target_link_libraries(CppADCodeGen INTERFACE Eigen3::Eigen)
endif (Eigen3_FOUND)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/CppAD/include)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/CppADCodeGen/include)
target_include_directories(CppADCodeGen
INTERFACE
  ${CMAKE_CURRENT_BINARY_DIR}/CppAD/include
  ${CMAKE_CURRENT_BINARY_DIR}/CppADCodeGen/include
)

find_package(OpenMP)

add_library(autogen "")
target_sources(autogen
  PRIVATE
    ${CMAKE_CURRENT_LIST_DIR}/src/autogen.cpp
  PUBLIC
    ${CMAKE_CURRENT_LIST_DIR}/include/autogen/autogen.hpp
)

target_include_directories(autogen PUBLIC ${CMAKE_CURRENT_LIST_DIR}/include)
target_link_libraries(autogen PUBLIC ${CMAKE_DL_LIBS} CppADCodeGen Threads::Threads)
if (OpenMP_CXX_FOUND)
  target_link_libraries(autogen PUBLIC OpenMP::OpenMP_CXX)
endif (OpenMP_CXX_FOUND)
if (Eigen_FOUND)
  target_link_libraries(autogen PUBLIC Eigen3::Eigen3)
  target_compile_definitions(autogen PUBLIC USE_EIGEN=1)
endif (Eigen_FOUND)

add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/examples)
add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/test)