Add -Wall to compiler flags #203
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This is good initiative. Let us make 'rule' that by default we switch on all compilers warnings. |
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Thank you! Very good path forward. |
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Also add -Wextra, where available. The warning flags are added to
CMAKE_<LANG>_FLAGSso that one gets warnings also in release builds. 'Cause life is too short to deactivate or ignore compiler warnings!