replace standard check with feature test macro

Signed-off-by: Rosen Penev <rosenp@gmail.com>
2 years ago · 1a40f9660e
parent 36e848d4fe
commit 1a40f9660e
1 changed files with 2 additions and 2 deletions
--- a/include/exiv2/value.hpp
+++ b/include/exiv2/value.hpp
@ -1251,7 +1251,7 @@ class ValueType : public Value {
    }

    // Check for integer overflow.
-#if __cplusplus >= 201703L || _MSVC_LANG >= 201703L
+#ifdef __cpp_if_constexpr
    if constexpr (std::is_signed_v<I> == std::is_signed_v<decltype(a)>) {
 #else
    if (std::is_signed<I>::value == std::is_signed<decltype(a)>::value) {
@ -1262,7 +1262,7 @@ class ValueType : public Value {
      if (imax < b || a < imin || imax < a) {
        return 0;
      }
-#if __cplusplus >= 201703L || _MSVC_LANG >= 201703L
+#ifdef __cpp_if_constexpr
    } else if constexpr (std::is_signed_v<I>) {
 #else
    } else if (std::is_signed<I>::value) {