Enable larger tuple sizes for Visual Studio 2012.
Visual Studio 2012 does not have variadic templates and implements
tuples differently. By default, only sizes up to 5 are supported,
which conflicts with Gtest.
Change-Id: Ieb8d59e4329863cbfa2729d8a76db0714c08d259
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43d4430..a7b77fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -634,6 +634,9 @@
# which results in linker warnings. This is irrelevant for Ceres, so ignore
# the warnings.
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ignore:4049")
+
+ # Tuple sizes of 10 are used by Gtest.
+ ADD_DEFINITIONS("-D_VARIADIC_MAX=10")
ENDIF (MSVC)
# GCC is not strict enough by default, so enable most of the warnings.
