diff options
Diffstat (limited to 'build_files/scons/Modules/FindUnorderedMap.py')
-rw-r--r-- | build_files/scons/Modules/FindUnorderedMap.py | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/build_files/scons/Modules/FindUnorderedMap.py b/build_files/scons/Modules/FindUnorderedMap.py new file mode 100644 index 00000000000..34073c1b0b9 --- /dev/null +++ b/build_files/scons/Modules/FindUnorderedMap.py @@ -0,0 +1,38 @@ +def FindUnorderedMap(conf): + """ + Detect unordered_map availability + """ + + namespace = None + header = None + + if conf.CheckCXXHeader("unordered_map"): + # Even so we've found unordered_map header file it doesn't + # mean unordered_map and unordered_set will be declared in + # std namespace. + # + # Namely, MSVC 2008 have unordered_map header which declares + # unordered_map class in std::tr1 namespace. In order to support + # this, we do extra check to see which exactly namespace is + # to be used. + + if conf.CheckType('std::unordered_map<int, int>', language = 'CXX', includes="#include <unordered_map>"): + print("-- Found unordered_map/set in std namespace.") + namespace = 'std' + header = 'unordered_map' + elif conf.CheckType('std::tr1::unordered_map<int, int>', language = 'CXX', includes="#include <unordered_map>"): + print("-- Found unordered_map/set in std::tr1 namespace.") + namespace = 'std::tr1' + header = 'unordered_map' + else: + print("-- Found <unordered_map> but can not find neither std::unordered_map nor std::tr1::unordered_map.") + elif conf.CheckCXXHeader("tr1/unordered_map"): + print("-- Found unordered_map/set in std::tr1 namespace.") + namespace = 'std::tr1' + header = 'tr1/unordered_map' + else: + print("-- Unable to find <unordered_map> or <tr1/unordered_map>. ") + + conf.env['WITH_UNORDERED_MAP_SUPPORT'] = namespace and header + conf.env['UNORDERED_MAP_NAMESPACE'] = namespace + conf.env['UNORDERED_MAP_HEADER'] = header |