[Shelves] Handle header only

CMakeLists.txt

@@ -2,6 +2,8 @@ project(Patate)
 
 cmake_minimum_required(VERSION 2.8.10)
 
+set(PATATE_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
+
 # guard against in-source builds (source: Eigen)
 
 if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
@@ -34,10 +36,10 @@ endif()
 # Add core code source, so it is visible in dev environements                  #
 ################################################################################
 
-add_subdirectory(Patate/Grenaille EXCLUDE_FROM_ALL)
-add_subdirectory(Patate/Vitelotte EXCLUDE_FROM_ALL)
-add_subdirectory(Patate/common)
-add_subdirectory(Patate/Shelves EXCLUDE_FROM_ALL)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/Patate/Grenaille EXCLUDE_FROM_ALL)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/Patate/Vitelotte EXCLUDE_FROM_ALL)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/Patate/common)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/Patate/Shelves EXCLUDE_FROM_ALL)
 
 
 ################################################################################

Patate/Shelves/CMakeLists.txt

@@ -10,5 +10,11 @@ FILE ( GLOB SHELVES_IMPL
     ${CMAKE_CURRENT_SOURCE_DIR}/src/*.hpp
 )
 
+message("ROTO : ${PATATE_ROOT}")
 add_library (Shelves OBJECT ${SHELVES_HEADERS} ${SHELVES_IMPL})
 set_target_properties(Shelves PROPERTIES LINKER_LANGUAGE C++)
+
+target_include_directories(Shelves PUBLIC
+  $<BUILD_INTERFACE:${PATATE_ROOT}>
+  $<INSTALL_INTERFACE:include>  # <prefix>/include/mylib
+)