Skip to content

Backport fix for building ports/unix with gcc9 from micropython #1876

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 13, 2019
Merged

Backport fix for building ports/unix with gcc9 from micropython #1876

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion lib/utils/printf.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -103,9 +103,11 @@ 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

Expand Down