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Add memcheck/asan/ubsan to readme

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def 2020-10-20 10:38:22 +02:00
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README.md
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@ -111,6 +111,25 @@ sudo cp *.a /usr/lib
To run the tests you must target `run_tests` with make: To run the tests you must target `run_tests` with make:
`make run_tests` `make run_tests`
Using AddressSanitizer + UndefinedBehaviourSanitizer or Valgrind's Memcheck
---------------------------------------------------------------------------
ASan+UBSan and Memcheck are useful to find code problems more easily. Please use them to test your changes if you can.
For ASan+UBSan compile with:
```bash
CC=clang CXX=clang++ CXXFLAGS="-fsanitize=address,undefined -fsanitize-recover=address,undefined -fno-omit-frame-pointer" CFLAGS="-fsanitize=address,undefined -fsanitize-recover=address,undefined -fno-omit-frame-pointer" cmake -DCMAKE_BUILD_TYPE=Debug .
make
```
and run with:
```bash
UBSAN_OPTIONS=log_path=./SAN:print_stacktrace=1:halt_on_errors=0 ASAN_OPTIONS=log_path=./SAN:print_stacktrace=1:check_initialization_order=1:detect_leaks=1:halt_on_errors=0 ./DDNet
```
Check the SAN.\* files afterwards. This finds more problems than memcheck, runs faster, but requires a modern GCC/Clang compiler.
For valgrind's memcheck compile a normal Debug build and run with: `valgrind --tool=memcheck ./DDNet`
Expect a large slow down.
Building on Windows with Visual Studio Building on Windows with Visual Studio
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