Fixes: libcrypt/crypt.c:29:15: error: 'EINVAL' undeclared (first use in this function) __set_errno(EINVAL); ^~~~~~ Signed-off-by: Yann Sionneau &lt;ysionneau(a)kalray.eu&gt; --- libcrypt/crypt.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libcrypt/crypt.c b/libcrypt/crypt.c index 9819029f2..cfcd11f91 100644 --- a/libcrypt/crypt.c +++ b/libcrypt/crypt.c @@ -6,6 +6,7 @@ #include <unistd.h> #include <crypt.h> +#include <errno.h> #include "libcrypt.h" char *crypt(const char *key, const char *salt) -- 2.17.1