configure: Fix C99 compatibility issue

Avoid calling the undeclared exit function.  This avoids a check
failure with a future compiler that does not support implicit
function declarations.
This commit is contained in:
Florian Weimer 2023-01-27 10:20:13 +01:00
parent 0f957f9e83
commit 6eb33543cb
2 changed files with 2 additions and 2 deletions

2
nufxlib/configure vendored
View File

@ -4033,7 +4033,7 @@ else
int count;
char buf[8];
count = sprintf(buf, "123"); /* should return three */
exit(count != 3);
return count != 3;
}
_ACEOF

View File

@ -134,7 +134,7 @@ AC_CACHE_VAL(nufxlib_cv_sprintf_returns_int, [
int count;
char buf[8];
count = sprintf(buf, "123"); /* should return three */
exit(count != 3);
return count != 3;
}
],
[nufxlib_cv_sprintf_returns_int=yes], [nufxlib_cv_sprintf_returns_int=no],