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authorBrad King <brad.king@kitware.com>2017-09-27 12:05:44 (GMT)
committerBrad King <brad.king@kitware.com>2017-10-03 12:11:27 (GMT)
commitb96ca728f1da01c051ac3b44f32b5221d1efeff9 (patch)
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Add infrastructure to detect secondary compiler version information
Create a `CMAKE_<LANG>_COMPILER_VERSION_INTERNAL` variable to hold a secondary/internal compiler version number detected at the same time as the primary compiler version. This will be useful for some compilers where we need such a number to determine correct usage. Inspired-by: Stefan Andersson <tfosm@hotmail.com> Suggested-by: Norbert Lange <norbert.lange@andritz.com> Issue: #17264
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diff --git a/Help/variable/CMAKE_LANG_COMPILER_VERSION_INTERNAL.rst b/Help/variable/CMAKE_LANG_COMPILER_VERSION_INTERNAL.rst
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+CMAKE_<LANG>_COMPILER_VERSION_INTERNAL
+--------------------------------------
+
+An internal variable subject to change.
+
+This is used to identify the variant of a compiler based on an internal
+version number. For some compilers this is needed to determine the
+correct usage.