1 files changed, 12 insertions, 0 deletions
diff --git a/extern/ceres/internal/ceres/types.cc b/extern/ceres/internal/ceres/types.cc
index 39bb2d8cc4d..48242678b46 100644
--- a/extern/ceres/internal/ceres/types.cc
+++ b/extern/ceres/internal/ceres/types.cc
@@ -34,6 +34,7 @@
 #include <cctype>
 #include <string>
 
+#include "ceres/internal/config.h"
 #include "glog/logging.h"
 
 namespace ceres {
@@ -128,6 +129,7 @@ const char* DenseLinearAlgebraLibraryTypeToString(
   switch (type) {
     CASESTR(EIGEN);
     CASESTR(LAPACK);
+    CASESTR(CUDA);
     default:
       return "UNKNOWN";
   }
@@ -138,6 +140,7 @@ bool StringToDenseLinearAlgebraLibraryType(
   UpperCase(&value);
   STRENUM(EIGEN);
   STRENUM(LAPACK);
+  STRENUM(CUDA);
   return false;
 }
 
@@ -417,6 +420,7 @@ bool IsDenseLinearAlgebraLibraryTypeAvailable(
   if (type == EIGEN) {
     return true;
   }
+
   if (type == LAPACK) {
 #ifdef CERES_NO_LAPACK
     return false;
@@ -425,6 +429,14 @@ bool IsDenseLinearAlgebraLibraryTypeAvailable(
 #endif
   }
 
+  if (type == CUDA) {
+#ifdef CERES_NO_CUDA
+    return false;
+#else
+    return true;
+#endif
+  }
+
   LOG(WARNING) << "Unknown dense linear algebra library " << type;
   return false;
 }