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| author | Damien George <damien.p.george@gmail.com> | 2019-02-06 01:12:51 +1100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2019-02-06 01:12:51 +1100 |
| commit | 7bbde67cb2dc52c04bd7020689a1227bddfa1b06 (patch) | |
| tree | 6b87b906dbabe86403a236b217877524be80b83d /lib | |
| parent | 343401c6dfdb92894d0364de53963bd98b3c4caf (diff) | |
| download | micropython-7bbde67cb2dc52c04bd7020689a1227bddfa1b06.tar.gz micropython-7bbde67cb2dc52c04bd7020689a1227bddfa1b06.zip | |
lib/utils/printf: Exclude __GI_vsnprintf alias for gcc 9 and above.
See issue #4457.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/utils/printf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/utils/printf.c b/lib/utils/printf.c index 1ceeea39ff..0c21fc4c0a 100644 --- a/lib/utils/printf.c +++ b/lib/utils/printf.c @@ -99,9 +99,11 @@ STATIC void strn_print_strn(void *data, const char *str, size_t len) { strn_print_env->remain -= len; } -#if defined(__GNUC__) && !defined(__clang__) +#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ < 9 // uClibc requires this alias to be defined, or there may be link errors // when linkings against it statically. +// GCC 9 gives a warning about missing attributes so it's excluded until +// uClibc+GCC9 support is needed. int __GI_vsnprintf(char *str, size_t size, const char *fmt, va_list ap) __attribute__((weak, alias ("vsnprintf"))); #endif |