Merge topic 'nlohmann_json'

a2447b56

 Add nlohmann_json as a superbuild project.
Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !278

projects/nlohmannjson.cmake

+# Build and install:
+superbuild_add_project(nlohmannjson
+  DEPENDS cxx11
+  CMAKE_ARGS
+    -DENABLE_TESTING:BOOL=OFF
+    -DBUILD_TESTING:BOOL=OFF
+)
+
+# Provide our location to dependent projects:
+superbuild_add_extra_cmake_args(
+  -Dnlohmann_json_DIR:PATH=<INSTALL_DIR>/lib/cmake/nlohmann_json
+)

selftest/CMakeLists.txt

@@ -14,6 +14,7 @@ function (superbuild_find_projects var)
     matplotlib
     mpi
     netcdf
+    nlohmannjson
     numpy
     png
     python

versions.cmake

@@ -75,6 +75,11 @@ superbuild_set_revision(libxml2
   URL     "https://www.paraview.org/files/dependencies/libxml2-2.7.8.tar.gz"
   URL_MD5 8127a65e8c3b08856093099b52599c86)
 
+superbuild_set_revision(nlohmannjson
+  GIT_REPOSITORY "https://github.com/nlohmann/json.git"
+  GIT_TAG        "v3.6.1"
+)
+
 if (WIN32)
   set(qt4_ver "4.8.4")
   set(qt4_md5 "89c5ecba180cae74c66260ac732dc5cb")