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-rw-r--r--cmake/QtInternalTargets.cmake5
-rw-r--r--mkspecs/common/msvc-version.conf1
2 files changed, 6 insertions, 0 deletions
diff --git a/cmake/QtInternalTargets.cmake b/cmake/QtInternalTargets.cmake
index 1485726f0f..91a75983ea 100644
--- a/cmake/QtInternalTargets.cmake
+++ b/cmake/QtInternalTargets.cmake
@@ -186,6 +186,11 @@ if (MSVC)
-Zc:referenceBinding
)
endif()
+ if (MSVC_VERSION GREATER_EQUAL 1919)
+ target_compile_options(PlatformCommonInternal INTERFACE
+ -Zc:externConstexpr
+ )
+ endif()
target_compile_options(PlatformCommonInternal INTERFACE -Zc:wchar_t)
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