From becbf3f4f8f6be166a563bb238c5ad8b8e33c136 Mon Sep 17 00:00:00 2001
From: Martin Quinson <martin.quinson@loria.fr>
Date: Sun, 10 Jan 2016 01:01:35 +0100
Subject: [PATCH] [cmake/java] only recompile the javadoc if the documentation
 is enabled

This prevents the jarfile to be rebuilt each time you hit the "build"
button, dramatically speeding things up  <3
---
 tools/cmake/Java.cmake | 38 ++++++++++++++++++++------------------
 1 file changed, 20 insertions(+), 18 deletions(-)

diff --git a/tools/cmake/Java.cmake b/tools/cmake/Java.cmake
index 72e731399e..6355af1c36 100644
--- a/tools/cmake/Java.cmake
+++ b/tools/cmake/Java.cmake
@@ -74,25 +74,27 @@ else()
   add_jar(simgrid-java_jar ${JMSG_JAVA_SRC} OUTPUT_NAME simgrid)
 endif()
 
-add_custom_command(
-  TARGET simgrid-java_jar POST_BUILD
-  COMMENT "Add the documentation into simgrid.jar..."
-  DEPENDS ${MANIFEST_IN_FILE}
-	  ${CMAKE_HOME_DIRECTORY}/COPYING
-	  ${CMAKE_HOME_DIRECTORY}/ChangeLog
-	  ${CMAKE_HOME_DIRECTORY}/NEWS
-	  ${CMAKE_HOME_DIRECTORY}/ChangeLog.SimGrid-java
-	  ${CMAKE_HOME_DIRECTORY}/LICENSE-LGPL-2.1
-	    
-  COMMAND ${CMAKE_COMMAND} -E copy ${MANIFEST_IN_FILE} ${MANIFEST_FILE}
-  COMMAND ${CMAKE_COMMAND} -E echo "Specification-Version: \\\"${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}.${SIMGRID_VERSION_PATCH}\\\"" >> ${MANIFEST_FILE}
-  COMMAND ${CMAKE_COMMAND} -E echo "Implementation-Version: \\\"${GIT_VERSION}\\\"" >> ${MANIFEST_FILE}
-
-  COMMAND ${Java_JAVADOC_EXECUTABLE} -quiet -d doc/javadoc -sourcepath ${CMAKE_HOME_DIRECTORY}/src/bindings/java/ org.simgrid.msg org.simgrid.trace
-  
-  COMMAND ${JAVA_ARCHIVE} -uvmf ${MANIFEST_FILE} ${SIMGRID_JAR} doc/javadoc
-  COMMAND ${JAVA_ARCHIVE} -uvf  ${SIMGRID_JAR} -C ${CMAKE_HOME_DIRECTORY} COPYING -C ${CMAKE_HOME_DIRECTORY} ChangeLog -C ${CMAKE_HOME_DIRECTORY} LICENSE-LGPL-2.1 -C ${CMAKE_HOME_DIRECTORY} NEWS
+if (enable_documentation)
+  add_custom_command(
+    TARGET simgrid-java_jar POST_BUILD
+    COMMENT "Add the documentation into simgrid.jar..."
+    DEPENDS ${MANIFEST_IN_FILE}
+            ${CMAKE_HOME_DIRECTORY}/COPYING
+            ${CMAKE_HOME_DIRECTORY}/ChangeLog
+            ${CMAKE_HOME_DIRECTORY}/NEWS
+            ${CMAKE_HOME_DIRECTORY}/ChangeLog.SimGrid-java
+            ${CMAKE_HOME_DIRECTORY}/LICENSE-LGPL-2.1
+
+    COMMAND ${CMAKE_COMMAND} -E copy ${MANIFEST_IN_FILE} ${MANIFEST_FILE}
+    COMMAND ${CMAKE_COMMAND} -E echo "Specification-Version: \\\"${SIMGRID_VERSION_MAJOR}.${SIMGRID_VERSION_MINOR}.${SIMGRID_VERSION_PATCH}\\\"" >> ${MANIFEST_FILE}
+    COMMAND ${CMAKE_COMMAND} -E echo "Implementation-Version: \\\"${GIT_VERSION}\\\"" >> ${MANIFEST_FILE}
+
+    COMMAND ${Java_JAVADOC_EXECUTABLE} -quiet -d doc/javadoc -sourcepath ${CMAKE_HOME_DIRECTORY}/src/bindings/java/ org.simgrid.msg org.simgrid.trace
+
+    COMMAND ${JAVA_ARCHIVE} -uvmf ${MANIFEST_FILE} ${SIMGRID_JAR} doc/javadoc
+    COMMAND ${JAVA_ARCHIVE} -uvf  ${SIMGRID_JAR} -C ${CMAKE_HOME_DIRECTORY} COPYING -C ${CMAKE_HOME_DIRECTORY} ChangeLog -C ${CMAKE_HOME_DIRECTORY} LICENSE-LGPL-2.1 -C ${CMAKE_HOME_DIRECTORY} NEWS
   )
+endif()
 
 ###
 ### Pack the java libraries into the jarfile if asked to do so
-- 
2.20.1