Port Ceres to Windows

This is a preliminary, but full, port of Ceres to Windows.
Currently all tests compile and run, with only system_test
failing to work correctly due to a path issue.

Change-Id: I4152c1588bf51ffd7f4d9401ef9759f5d28c299c

internal/ceres/parameter_block_test.cc

@@ -36,6 +36,8 @@
 namespace ceres {
 namespace internal {
 
+// TODO(keir): Figure out how to enable the death tests on Windows.
+
 TEST(ParameterBlock, SetLocalParameterization) {
   double x[3] = { 1.0, 2.0, 3.0 };
   ParameterBlock parameter_block(x, 3);
@@ -46,11 +48,13 @@ TEST(ParameterBlock, SetLocalParameterization) {
 
   // Can't set the parameterization if the sizes don't match.
   SubsetParameterization subset_wrong_size(4, indices);
+#ifndef _WIN32
   ASSERT_DEATH(parameter_block.SetParameterization(&subset_wrong_size),
                "global");
 
   // Can't set parameterization to NULL from NULL.
   ASSERT_DEATH(parameter_block.SetParameterization(NULL), "NULL");
+#endif  // _WIN32
 
   // Now set the parameterization.
   SubsetParameterization subset(3, indices);
@@ -59,6 +63,7 @@ TEST(ParameterBlock, SetLocalParameterization) {
   // Re-setting the parameterization to the same value is supported.
   parameter_block.SetParameterization(&subset);
 
+#ifndef _WIN32
   // Can't set parameterization to NULL from another parameterization.
   ASSERT_DEATH(parameter_block.SetParameterization(NULL), "NULL");
 
@@ -66,6 +71,7 @@ TEST(ParameterBlock, SetLocalParameterization) {
   SubsetParameterization subset_different(3, indices);
   ASSERT_DEATH(parameter_block.SetParameterization(&subset_different),
                "re-set");
+#endif  // _WIN32
 
   // Ensure the local parameterization jacobian result is correctly computed.
   ConstMatrixRef local_parameterization_jacobian(