util: macOS doesn't have pipe2()

The code was testing for BSD, since all the normal BSDs have it.  But
until recently, <sys/param.h> wasn't included, so BSD was undefined even
on platforms that define it.  Now that it is defined appropriately,
exclude macOS specifically.

1 files changed, 2 insertions, 1 deletions

diff --git a/util.c b/util.c
index 9182a80..aa6f401 100644
--- a/util.c
+++ b/util.c
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/param.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
@@ -120,7 +121,7 @@ int dup_cloexec(int fd) {
 }
 
 int pipe_cloexec(int pipefd[2]) {
-#if __linux__ || BSD
+#if __linux__ || (BSD && !__APPLE__)
 	return pipe2(pipefd, O_CLOEXEC);
 #else
 	if (pipe(pipefd) != 0) {