ENH: control openmp flag globally

SuperBuild/CMake/External_otb.cmake

@@ -28,11 +28,6 @@ ADDTO_DEPENDENCIES_IF_NOT_SYSTEM(OTB GDAL OSSIM ITK TINYXML BOOST)
 
 ##get_property(OTB_DEPENDENCIES GLOBAL PROPERTY GLOBAL_OTB_DEPENDENCIES)
 
-set(OTB_USE_OPENMP TRUE)
-if(WIN32)
-  set(OTB_USE_OPENMP FALSE)
-endif()
-
 if(OTB_USE_CURL)
   ADDTO_DEPENDENCIES_IF_NOT_SYSTEM(OTB CURL)
   ADD_SUPERBUILD_CMAKE_VAR(OTB CURL_INCLUDE_DIR)

SuperBuild/CMake/External_shark.cmake

@@ -28,15 +28,6 @@ ADDTO_DEPENDENCIES_IF_NOT_SYSTEM(SHARK BOOST)
 ADD_SUPERBUILD_CMAKE_VAR(SHARK Boost_INCLUDE_DIR)
 ADD_SUPERBUILD_CMAKE_VAR(SHARK BOOST_LIBRARYDIR)
 
-#set(SHARK_CMAKE_CACHE_ARGS ${SB_CMAKE_CACHE_ARGS})
-# if(LINUX)
-#   string(REGEX REPLACE
-#     "-Wl,--no-undefined"
-#     "-Wl,--no-undefined -Wl,-no-as-needed"
-#     SHARK_CMAKE_CACHE_ARGS
-#     "${SHARK_CMAKE_CACHE_ARGS}")
-# endif()
-
 ExternalProject_Add(SHARK
   PREFIX SHARK
   URL "https://github.com/Shark-ML/Shark/archive/349f29bd71c370e0f88f7fc9aa66fa5c4768fcb0.zip"
@@ -53,6 +44,7 @@ ExternalProject_Add(SHARK
   -DBUILD_TESTING:BOOL=OFF
   -DENABLE_HDF5:BOOL=OFF
   -DENABLE_CBLAS:BOOL=OFF
+  -DENABLE_OPENMP:BOOL=${OTB_USE_OPENMP}
   ${SHARK_SB_CONFIG}
   CMAKE_COMMAND ${SB_CMAKE_COMMAND}
   LOG_DOWNLOAD 1

SuperBuild/CMakeLists.txt

@@ -51,6 +51,12 @@ option(BUILD_STATIC_LIBS "Build with static libraries." OFF)
 option(WITH_REMOTE_MODULES "Build with specific list of remote modules." OFF)
 set(OTB_ADDITIONAL_CACHE "" CACHE STRING "Additional cmake option for OTB -DVAR:TYPE=VALUE ...")
 
+option(OTB_USE_OPENMP "use openmp" ON)
+if(WIN32)
+  option(OTB_USE_OPENMP "use openmp" OFF)
+endif()
+
+
 if(APPLE)
   if(POLICY CMP0042)
     cmake_policy(SET CMP0042 NEW)