add path.hpp.in

to ease data finding in C++
ref https://github.com/stack-of-tasks/pinocchio/issues/965

CMakeLists.txt

@@ -41,6 +41,7 @@ IF(BUILD_PYTHON_INTERFACE)
 ENDIF(BUILD_PYTHON_INTERFACE)
 
 IF(NOT INSTALL_PYTHON_INTERFACE_ONLY)
+  ADD_SUBDIRECTORY(include/${CUSTOM_HEADER_DIR})
   INSTALL(DIRECTORY robots/anymal_b_simple_description DESTINATION share/${PROJECT_NAME}/robots)
   INSTALL(DIRECTORY robots/hyq_description DESTINATION share/${PROJECT_NAME}/robots)
   INSTALL(DIRECTORY robots/solo_description DESTINATION share/${PROJECT_NAME}/robots)

include/example-robot-data/CMakeLists.txt

+CONFIGURE_FILE(path.hpp.in path.hpp)
+INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/path.hpp DESTINATION include/${CUSTOM_HEADER_DIR})

include/example-robot-data/path.hpp.in

+#ifndef EXAMPLE_ROBOT_DATA_PATH_HPP
+#define EXAMPLE_ROBOT_DATA_PATH_HPP
+
+#define EXAMPLE_ROBOT_DATA_MODEL_DIR "${CMAKE_INSTALL_PREFIX}/share/${PROJECT_NAME}/robots"
+
+#endif