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-rw-r--r--Eigen/src/Core/util/Macros.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h
index 04e8e4d1e..b39c6ca43 100644
--- a/Eigen/src/Core/util/Macros.h
+++ b/Eigen/src/Core/util/Macros.h
@@ -660,8 +660,7 @@
// result_of was deprecated in c++17 and removed in c++ 20
#ifndef EIGEN_HAS_STD_RESULT_OF
#if EIGEN_MAX_CPP_VER >= 11 && \
- ((defined(__cplusplus) && __cplusplus >= 201103L && __cplusplus < 201703L) || \
- __has_feature(cxx_lambdas))
+ (defined(__cplusplus) && __cplusplus >= 201103L && __cplusplus < 201703L)
#define EIGEN_HAS_STD_RESULT_OF 1
#else
#define EIGEN_HAS_STD_RESULT_OF 0
@@ -679,6 +678,15 @@
#endif
#endif // EIGEN_HAS_STD_HASH
+#ifndef EIGEN_HAS_STD_INVOKE_RESULT
+#if EIGEN_MAX_CPP_VER >= 17 && \
+ (defined(__cplusplus) && __cplusplus >= 201703L)
+#define EIGEN_HAS_STD_INVOKE_RESULT 1
+#else
+#define EIGEN_HAS_STD_INVOKE_RESULT 0
+#endif
+#endif
+
#ifndef EIGEN_HAS_ALIGNAS
#if EIGEN_MAX_CPP_VER>=11 && EIGEN_HAS_CXX11 && \
( __has_feature(cxx_alignas) \