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-rw-r--r--mkspecs/common/msvc-version.conf1
1 files changed, 1 insertions, 0 deletions
diff --git a/mkspecs/common/msvc-version.conf b/mkspecs/common/msvc-version.conf
index 046f803b75..eee5cc0dd5 100644
--- a/mkspecs/common/msvc-version.conf
+++ b/mkspecs/common/msvc-version.conf
@@ -119,6 +119,7 @@ greaterThan(QMAKE_MSC_VER, 1919) {
MSVC_VER = 16.0
QMAKE_CXXFLAGS_CXX2A = -std:c++latest
+ QMAKE_CXXFLAGS += -Zc:externConstexpr
}
!isEmpty(COMPAT_MKSPEC):!$$COMPAT_MKSPEC: CONFIG += $$COMPAT_MKSPEC