Allow ndcurves to be consumed thru FetchContent

Author: ManifoldFR

CMakeLists.txt

@@ -92,26 +92,26 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
   )
 endif()
 
-find_package(example-robot-data 4.0.9 REQUIRED)
-ADD_PROJECT_DEPENDENCY(OpenMP REQUIRED)
-ADD_PROJECT_DEPENDENCY(proxsuite REQUIRED)
-ADD_PROJECT_DEPENDENCY(pinocchio REQUIRED)
-ADD_PROJECT_DEPENDENCY(aligator REQUIRED)
-ADD_PROJECT_DEPENDENCY(ndcurves REQUIRED)
+include(dependencies.cmake)
 
 # Main Library
 file(GLOB mpc_SOURCE CONFIGURE_DEPENDS src/*.cpp)
 file(GLOB mpc_HEADER CONFIGURE_DEPENDS include/${PROJECT_NAME}/*.hpp)
 
 add_library(${PROJECT_NAME} SHARED ${mpc_HEADER} ${mpc_SOURCE})
-target_include_directories(${PROJECT_NAME} PUBLIC $<INSTALL_INTERFACE:include>)
+target_include_directories(
+  ${PROJECT_NAME}
+  PUBLIC
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+)
 target_link_libraries(
   ${PROJECT_NAME}
   PUBLIC
     pinocchio::pinocchio
     aligator::aligator
     example-robot-data::example-robot-data
-    ndcurves::ndcurves
+    ndcurves
 )
 target_link_libraries(${PROJECT_NAME} PUBLIC OpenMP::OpenMP_CXX)
 set_target_properties(${PROJECT_NAME} PROPERTIES PUBLIC_HEADER "${mpc_HEADER}")

dependencies.cmake

@@ -0,0 +1,26 @@
+find_package(example-robot-data 4.0.9 REQUIRED)
+ADD_PROJECT_DEPENDENCY(OpenMP REQUIRED)
+ADD_PROJECT_DEPENDENCY(proxsuite REQUIRED)
+ADD_PROJECT_DEPENDENCY(pinocchio REQUIRED)
+ADD_PROJECT_DEPENDENCY(aligator REQUIRED)
+
+function(get_ndcurves)
+  find_package(ndcurves QUIET)
+  if(NOT ndcurves_FOUND)
+    FetchContent_Declare(
+      ndcurves
+      GIT_REPOSITORY "https://github.com/loco-3d/ndcurves"
+      GIT_PROGRESS True
+      GIT_TAG devel
+      SYSTEM
+      EXCLUDE_FROM_ALL
+    )
+    set(PROJECT_CUSTOM_HEADER_DIR)
+    set(PROJECT_CUSTOM_HEADER_EXTENSION)
+    set(BUILD_PYTHON_INTERFACE OFF)
+    FetchContent_MakeAvailable(ndcurves)
+    install(TARGETS ndcurves EXPORT ${TARGETS_EXPORT_NAME})
+  endif()
+endfunction()
+
+get_ndcurves()