diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/corelib/global/qglobal.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h index d9ffca3810..e6d65b0f99 100644 --- a/src/corelib/global/qglobal.h +++ b/src/corelib/global/qglobal.h @@ -62,13 +62,23 @@ #endif // The QT_SUPPORTS macro is deprecated. Don't use it in new code. -// Instead, use #ifdef/ndef QT_NO_feature. +// Instead, use QT_CONFIG(feature) // ### Qt6: remove macro #ifdef _MSC_VER # define QT_SUPPORTS(FEATURE) (!defined QT_NO_##FEATURE) #else # define QT_SUPPORTS(FEATURE) (!defined(QT_NO_##FEATURE)) #endif + +/* + The QT_CONFIG macro implements a safe compile time check for features of Qt. + Features can be in three states: + 0 or undefined: This will lead to a compile error when testing for it + -1: The feature is not available + 1: The feature is available +*/ +#define QT_CONFIG(feature) (1/QT_FEATURE_##feature == 1) + #if QT_VERSION >= QT_VERSION_CHECK(6,0,0) # define QT_NO_UNSHARABLE_CONTAINERS #endif |