diff options
| -rw-r--r-- | lib/portability.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/portability.h b/lib/portability.h index 59430e1b..e6b542c4 100644 --- a/lib/portability.h +++ b/lib/portability.h @@ -20,9 +20,10 @@ // This isn't in the spec, but it's how we determine what libc we're using. -#include <features.h> - -// Types various replacement prototypes need +// Types various replacement prototypes need. +// This also lets us determine what libc we're using. Systems that +// have <features.h> will transitively include it, and ones that don't -- +// macOS -- won't break. #include <sys/types.h> // Various constants old build environments might not have even if kernel does |