shrinking cmake in java examples

[simgrid.git] / examples / java / bittorrent / CMakeLists.txt

diff --git a/examples/java/bittorrent/CMakeLists.txt b/examples/java/bittorrent/CMakeLists.txt
index 50e0e32..96906da 100644 (file)
--- a/examples/java/bittorrent/CMakeLists.txt
+++ b/examples/java/bittorrent/CMakeLists.txt
@@ -1,35 +1,22 @@
-cmake_minimum_required(VERSION 2.6)
+set(example java_bittorrent)
+set(sources ${CMAKE_CURRENT_SOURCE_DIR}/Bittorrent.java   ${CMAKE_CURRENT_SOURCE_DIR}/Common.java
+            ${CMAKE_CURRENT_SOURCE_DIR}/Connection.java   ${CMAKE_CURRENT_SOURCE_DIR}/MessageTask.java
+            ${CMAKE_CURRENT_SOURCE_DIR}/Peer.java         ${CMAKE_CURRENT_SOURCE_DIR}/Tracker.java
+            ${CMAKE_CURRENT_SOURCE_DIR}/TrackerTask.java)
 
 if(enable_java)
-  add_custom_target(java_bittorrent ALL
-    COMMAND ${JAVA_COMPILE} -cp ${CMAKE_BINARY_DIR}/simgrid.jar
-                            -d ${CMAKE_CURRENT_BINARY_DIR}/..
-                            ${CMAKE_CURRENT_SOURCE_DIR}/*.java)
-  add_dependencies(java_bittorrent SG_java_jar)
-endif()
-
-set(tesh_files
-  ${tesh_files}
-  examples/bittorrent/bittorrent.tesh
-  PARENT_SCOPE
-  )
-set(xml_files
-  ${xml_files}
-  PARENT_SCOPE
-  )
-set(examples_src
-  ${examples_src}
-  examples/bittorrent/MessageTask.java
-  examples/bittorrent/Peer.java
-  examples/bittorrent/TrackerTask.java
-  PARENT_SCOPE
-  )
-set(bin_files
-  ${bin_files}
-  PARENT_SCOPE
-  )
-set(txt_files
-  ${txt_files}
-  PARENT_SCOPE
+  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    ${tesh_files}    ${CMAKE_CURRENT_SOURCE_DIR}/bittorrent.tesh  PARENT_SCOPE)
+set(xml_files     ${xml_files}     ${CMAKE_CURRENT_SOURCE_DIR}/bittorrent.xml   PARENT_SCOPE)
+set(examples_src  ${examples_src}  ${sources}                                   PARENT_SCOPE)
+set(txt_files     ${txt_files}     ${CMAKE_CURRENT_SOURCE_DIR}/generate.py      PARENT_SCOPE)