From f52cb9d135ccd519f015f2232ebd4f05e8d9c745 Mon Sep 17 00:00:00 2001
From: maier <maier@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Sat, 26 Oct 2013 09:14:20 +0000
Subject: [PATCH] Bugfix: Avoid unnecessary reconfigurations of subprojects

git-svn-id: https://svn.dealii.org/trunk@31431 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/cmake/config/CMakeLists.txt | 22 ++--------------------
 1 file changed, 2 insertions(+), 20 deletions(-)

diff --git a/deal.II/cmake/config/CMakeLists.txt b/deal.II/cmake/config/CMakeLists.txt
index b298923025..4309152d48 100644
--- a/deal.II/cmake/config/CMakeLists.txt
+++ b/deal.II/cmake/config/CMakeLists.txt
@@ -306,20 +306,7 @@ IF(DEAL_II_COMPONENT_COMPAT_FILES)
     )
 ENDIF()
 
-#
-# Finally, add a target to create the "binary" file in
-# ${DEAL_II_PROJECT_CONFIG_RELDIR} and add it to the "all" target:
-#
-ADD_CUSTOM_TARGET(setup_build_dir ALL
-  COMMAND ${CMAKE_COMMAND} -E touch
-    ${CMAKE_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_RELDIR}/binary
-  COMMAND ${CMAKE_COMMAND} -E touch
-    ${CMAKE_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_RELDIR}/${DEAL_II_PROJECT_CONFIG_NAME}Config.cmake
-  COMMENT "Update build directory"
-  )
-FOREACH(_build ${DEAL_II_BUILD_TYPES})
-  ADD_DEPENDENCIES(setup_build_dir ${DEAL_II_BASE_NAME}${DEAL_II_${_build}_SUFFIX})
-ENDFOREACH()
+FILE(WRITE ${CMAKE_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_RELDIR}/binary "")
 
 #
 # And a script to remove it upon installation from the install prefix:
@@ -327,11 +314,6 @@ ENDFOREACH()
 # (yes this is a valid use case...).
 #
 INSTALL(CODE
-  "
-  FILE(REMOVE ${CMAKE_INSTALL_PREFIX}/${DEAL_II_PROJECT_CONFIG_RELDIR}/binary)
-  EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E touch
-    ${CMAKE_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_RELDIR}/${DEAL_II_PROJECT_CONFIG_NAME}Config.cmake
-    )
-  "
+  "FILE(REMOVE ${CMAKE_INSTALL_PREFIX}/${DEAL_II_PROJECT_CONFIG_RELDIR}/binary)"
   COMPONENT library
   )
-- 
2.39.5