[CMake] Keep folder structure in Visual Studio Project generated with CMake

[Luca Gherardi]

I have a projects in which the sources file are organizes in a hierarchy of
directories.

For example:

- Src

| - Folder A

   | - 1.cpp

   | - 1.hpp

   | - FolderA1

      | - 2.cpp

      | - 2.hpp

| - Folder B

   | - 3.cpp

   | - 3.hpp

 

 

I wrote a CMakeLists.txt for generating a Visual Studio Projects (VS 2012).

 

My goals are the following:

-        Preserve the directory structure

-        Allows other developer to add source files in the directory, by
means of visual studio, without having to write CMakeLists.txt

 

For doing that I wrote the following CMakeLists.txt

 

cmake_minimum_required(VERSION 2.8.11)

project(Common-library CXX)

#set the default path for built executables to the "bin" directory

set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)

#set the default path for built libraries to the "lib" directory

set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib)

 

#Specify my Include Directory
set(PROJECT_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/src)
 
# Boost configuration
SET(Boost_USE_STATIC_LIBS ON)
find_package(Boost REQUIRED COMPONENTS filesystem system thread REQUIRED)
 
include_directories( ${Boost_INCLUDE_DIRS} ${ PROJECT_INCLUDE_DIR} )
 
# I used this for allowing CMake to include all the files,
# also new ones, without having to touch the CMakeLists.txt
file(GLOB_RECURSE PROJECT_SOURCE_FILES "*.h" "*.hpp" "*.cpp")
 
# I then wrote this Macro, which organize the files in visual studio
folders,
# according to the organization in the file systems
 
macro(GroupSources curdir)
   file(GLOB children RELATIVE ${PROJECT_SOURCE_DIR}/${curdir}
${PROJECT_SOURCE_DIR}/${curdir}/*)
   foreach(child ${children})
          if(IS_DIRECTORY ${PROJECT_SOURCE_DIR}/${curdir}/${child})
                  GroupSources(${curdir}/${child})
          else()
                  string(REPLACE "/" "\\" groupname ${curdir})
          # I would like to call the src root folder in a different name,
only in visual studio (not mandatory requirement)
                   string(REPLACE "src" "Common" groupname ${groupname})
            source_group(${groupname} FILES
${PROJECT_SOURCE_DIR}/${curdir}/${child})
          endif()
   endforeach()
endmacro()
   
# Execute the macro
GroupSources(src)
 
add_library(${PROJECT_NAME} ${ PROJECT_SOURCE_FILES})
 

 

The result is a Visual studio project which organizes the files as I
desired.

However when I try to create new files with visual studio they are not
stored in the folder I select, but in the out-of-source build folder.

I guess this is due to the fact that visual studio doesn't now the mapping
between src folder and source group.

 

How can I achieve both my goals?

 

Thanks in advace!

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