diff options
Diffstat (limited to 'extern/libmv/third_party/ceres/CMakeLists.txt')
| -rw-r--r-- | extern/libmv/third_party/ceres/CMakeLists.txt | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/extern/libmv/third_party/ceres/CMakeLists.txt b/extern/libmv/third_party/ceres/CMakeLists.txt index a05c424df49..45e1f9b398d 100644 --- a/extern/libmv/third_party/ceres/CMakeLists.txt +++ b/extern/libmv/third_party/ceres/CMakeLists.txt @@ -310,9 +310,33 @@ if(WITH_OPENMP) endif() include(CheckIncludeFileCXX) -CHECK_INCLUDE_FILE_CXX(unordered_map UNORDERED_MAP_IN_STD_NAMESPACE) -if(UNORDERED_MAP_IN_STD_NAMESPACE) - ADD_DEFINITIONS(-DCERES_STD_UNORDERED_MAP) +CHECK_INCLUDE_FILE_CXX(unordered_map HAVE_STD_UNORDERED_MAP_HEADER) +if(HAVE_STD_UNORDERED_MAP_HEADER) + INCLUDE (CheckCXXSourceCompiles) + CHECK_CXX_SOURCE_COMPILES("#include <unordered_map> + int main() { + std::unordered_map<int, int> map; + return 0; + }" + HAVE_UNURDERED_MAP_IN_STD_NAMESPACE) + if(HAVE_UNURDERED_MAP_IN_STD_NAMESPACE) + ADD_DEFINITIONS(-DCERES_STD_UNORDERED_MAP) + else() + CHECK_CXX_SOURCE_COMPILES("#include <unordered_map> + int main() { + std::tr1::unordered_map<int, int> map; + return 0; + }" + HAVE_UNURDERED_MAP_IN_TR1_NAMESPACE) + if(HAVE_UNURDERED_MAP_IN_TR1_NAMESPACE) + ADD_DEFINITIONS(-DCERES_STD_UNORDERED_MAP_IN_TR1_NAMESPACE) + else() + MESSAGE("-- Found <unordered_map> but can not find neither std::unordered_map " + "nor std::tr1::unordered_map.") + MESSAGE("-- Replacing unordered_map/set with map/set (warning: slower!)") + ADD_DEFINITIONS(-DCERES_NO_UNORDERED_MAP) + endif() + endif() else() CHECK_INCLUDE_FILE_CXX("tr1/unordered_map" UNORDERED_MAP_IN_TR1_NAMESPACE) if(UNORDERED_MAP_IN_TR1_NAMESPACE) |