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(Created page with "== Tips == === Enable more warnings === From [https://kristerw.blogspot.ch/2017/09/useful-gcc-warning-options-not-enabled.html]: * <code>-Wduplicated-cond</code> * <code>-Wdu...") |
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* <code>-Wshadow</code> |
* <code>-Wshadow</code> |
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* <code>-Wformat=2</code> |
* <code>-Wformat=2</code> |
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=== Get list of standard compiler defines === |
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<source lang="bash"> |
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gcc -dM -E -x c /dev/null |
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# #define __DBL_MIN_EXP__ (-1021) |
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# #define __FLT32X_MAX_EXP__ 1024 |
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# #define __UINT_LEAST16_MAX__ 0xffff |
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# #define __ATOMIC_ACQUIRE 2 |
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# #define __FLT128_MAX_10_EXP__ 4932 |
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# ... |
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</source> |
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Latest revision as of 22:36, 9 February 2021
Tips
Enable more warnings
From [1]:
-Wduplicated-cond-Wduplicated-branches-Wlogical-op-Wrestrict-Wnull-dereference-Wold-style-cast-Wuseless-cast-Wjump-misses-init-Wdouble-promotion-Wshadow-Wformat=2
Get list of standard compiler defines
gcc -dM -E -x c /dev/null
# #define __DBL_MIN_EXP__ (-1021)
# #define __FLT32X_MAX_EXP__ 1024
# #define __UINT_LEAST16_MAX__ 0xffff
# #define __ATOMIC_ACQUIRE 2
# #define __FLT128_MAX_10_EXP__ 4932
# ...