X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f371a2501c4503399f53c987a2bb24d1de5dfba2..f91296008c859d2d7b57a02bf1ccfa993a8e3af3:/examples/java/bittorrent/CMakeLists.txt

diff --git a/examples/java/bittorrent/CMakeLists.txt b/examples/java/bittorrent/CMakeLists.txt
index c2f2803e07..ef9e1ab1b2 100644
--- a/examples/java/bittorrent/CMakeLists.txt
+++ b/examples/java/bittorrent/CMakeLists.txt
@@ -1,5 +1,6 @@
 cmake_minimum_required(VERSION 2.6)
 
+set(example java_bittorrent)
 set(sources
   ${CMAKE_CURRENT_SOURCE_DIR}/Bittorrent.java
   ${CMAKE_CURRENT_SOURCE_DIR}/Common.java
@@ -11,11 +12,16 @@ set(sources
   )
 
 if(enable_java)
-  add_custom_target(java_bittorrent ALL
-    COMMENT "Building java_bittorrent..."
-    COMMAND ${JAVA_COMPILE} -cp ${CMAKE_BINARY_DIR}/simgrid.jar
-                            -d ${CMAKE_CURRENT_BINARY_DIR}/.. ${sources})
-  add_dependencies(java_bittorrent SG_java_jar)
+  add_custom_command(
+    COMMENT "Building ${example}..."
+    OUTPUT ${example}_compiled
+    DEPENDS ${sources} simgrid-java_jar ${SIMGRID_JAR}
+    COMMAND ${JAVA_COMPILE} -classpath ${SIMGRID_JAR}
+                             -d ${CMAKE_CURRENT_BINARY_DIR}/.. ${sources}
+    COMMAND ${CMAKE_COMMAND} -E remove ${example}_compiled
+    COMMAND ${CMAKE_COMMAND} -E touch ${example}_compiled
+  )
+  add_custom_target(${example} ALL DEPENDS ${example}_compiled)
 endif()
 
 set(tesh_files