RFR : 8218965: aix: support xlclang++ in the compiler detection
matthias.baesken at sap.com
Thu Feb 14 14:44:01 UTC 2019
please review this small change .
On AIX, it adds detection of xlc16 / clang to the build environment.
The xlc16 package contains 2 compiler frontends :
* The legacy xlc
* The new clang-based xlclang++
For older xlc (12 / 13) we should for now still support the "legacy" xlc .
For xlc16 the usage of xlclang++ is desired , because it promises better C++11/14 support (important for the coming JEPs dealing with C++11/14 features) .
Additionally to the compiler detection , the debug-flag is changed to -g1 when xlclang++ is used (because of issues with -g) ; thanks to Steven for providing the info.
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