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Update warnings with info from Krister

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See also: https://kristerw.blogspot.se/2017/09/useful-gcc-warning-options-not-enabled.html
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Jason Turner
2017-09-16 09:06:01 -06:00
committed by GitHub
parent 3779f868ad
commit fdaab39f49
1 changed files with 9 additions and 2 deletions
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02-Use_the_Tools_Available.md
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@@ -94,10 +94,17 @@ You should use as many compilers as you can for your platform(s). Each compiler
* `-Wcast-align` warn for potential performance problem casts
* `-Wunused` warn on anything being unused
* `-Woverloaded-virtual` warn if you overload (not override) a virtual function
* `-pedantic`
* `-Wpedantic` warn if non-standard C++ is used
* `-Wconversion` warn on type conversions that may lose data
* `-Wsign-conversion` warn on sign conversions
* `-Wmisleading-indentation` warn if identation implies blocks where blocks do not exist
* `-Wduplicated-cond` warn if `if` / `else` chain has duplicated conditions
* `-Wduplicated-branches` warn if `if` / `else` branches have duplicated code
* `-Wlogical-op` warn about logical operations being used where bitwise were probably wanted
* `-Wnull-dereference` warn if a null dereference is detected
* `-Wuseless-cast` warn if you perform a cast to the same type
* `-Wdouble-promotion` warn if `float` is implicit promoted to `double`
* `-Wformat=2` warn on security issues around functions that format output (ie `printf`)
Consider using `-Weverything` and disabling the few warnings you need to on Clang