From 4d457ba1adda4b693eb24db0e6b39a441d245ff0 Mon Sep 17 00:00:00 2001
From: Eric Berberich <eric.berberich@cgal.org>
Date: Thu, 21 Apr 2011 08:47:46 +0000
Subject: [PATCH] fix to build demos and example properly, and even
 out-of-source now

---
 Installation/demo/CMakeLists.txt     | 14 +++++++++++---
 Installation/examples/CMakeLists.txt | 12 ++++++++++--
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/Installation/demo/CMakeLists.txt b/Installation/demo/CMakeLists.txt
index b2a6b74883a..632b2745fb9 100644
--- a/Installation/demo/CMakeLists.txt
+++ b/Installation/demo/CMakeLists.txt
@@ -17,9 +17,17 @@ foreach( entry ${list} )
   if ( IS_DIRECTORY ${entry} )
     
     if ( EXISTS ${entry}/CMakeLists.txt )
-      message( STATUS "Configuring  ${entry} demo" )
-      add_subdirectory( ${entry} )
-    endif()
+
+      message( STATUS "Configuring demo in ${entry}" )
+
+      if( NOT "${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}") # out-of-source
+        string( REGEX REPLACE "${CMAKE_SOURCE_DIR}/.*/demo/" "" DEMO_DIR "${entry}" )
+        make_directory(${CMAKE_BINARY_DIR}/demo/${DEMO_DIR})
+      endif()
+ 
+      add_subdirectory( ${entry} ${CMAKE_BINARY_DIR}/demo/${DEMO_DIR} )
+
+    Endif()
     
   endif()
   
diff --git a/Installation/examples/CMakeLists.txt b/Installation/examples/CMakeLists.txt
index f4587908a0c..26df99018a4 100644
--- a/Installation/examples/CMakeLists.txt
+++ b/Installation/examples/CMakeLists.txt
@@ -17,8 +17,16 @@ foreach( entry ${list} )
   if ( IS_DIRECTORY ${entry} )
     
     if ( EXISTS ${entry}/CMakeLists.txt )
-      message( STATUS "Configuring  ${entry} example" )
-      add_subdirectory( ${entry} )
+
+      message( STATUS "Configuring examples in ${entry}" )
+
+      if( NOT "${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}") # out-of-source
+        string( REGEX REPLACE "${CMAKE_SOURCE_DIR}/.*/examples/" "" DEMO_DIR "${entry}" )
+        make_directory(${CMAKE_BINARY_DIR}/demo/${DEMO_DIR})
+      endif()
+ 
+      add_subdirectory( ${entry} ${CMAKE_BINARY_DIR}/examples/${DEMO_DIR} )
+
     endif()
     
   endif()