Revision control
++ // Keep this file small. The pre-processed contents are eval'd by qmake.
++ QT_COMPILER_STDCXX = __cplusplus
++ #ifdef _MSC_VER
++ QMAKE_MSC_VER = _MSC_VER
++ QMAKE_MSC_FULL_VER = _MSC_FULL_VER
++ #endif
++ #ifdef __INTEL_COMPILER
++ QMAKE_ICC_VER = __INTEL_COMPILER
++ QMAKE_ICC_UPDATE_VER = __INTEL_COMPILER_UPDATE
++ #endif
++ #ifdef __APPLE_CC__
++ QMAKE_APPLE_CC = __APPLE_CC__
++ #endif
++ #ifdef __clang__
++ #ifdef __APPLE_CC__
++ QMAKE_APPLE_CLANG_MAJOR_VERSION = __clang_major__
++ QMAKE_APPLE_CLANG_MINOR_VERSION = __clang_minor__
++ QMAKE_APPLE_CLANG_PATCH_VERSION = __clang_patchlevel__
++ #else
++ QMAKE_CLANG_MAJOR_VERSION = __clang_major__
++ QMAKE_CLANG_MINOR_VERSION = __clang_minor__
++ QMAKE_CLANG_PATCH_VERSION = __clang_patchlevel__
++ #endif
++ #endif
++ #ifdef __GNUC__
++ QMAKE_GCC_MAJOR_VERSION = __GNUC__
++ QMAKE_GCC_MINOR_VERSION = __GNUC_MINOR__
++ QMAKE_GCC_PATCH_VERSION = __GNUC_PATCHLEVEL__
++ #endif
++ #ifdef __ghs__
++ QMAKE_GHS_VERSION = __GHS_VERSION_NUMBER
++ #endif