portability: include environ in overlaid unistd.h

2021-12-29 11:15:12 -06:00 · 2021-12-29 11:15:12 -06:00 · 837d2fd915
parent e6b1b29028
commit 837d2fd915
1 changed files with 5 additions and 0 deletions
--- a/portability/unistd.h
+++ b/portability/unistd.h
@ -3,3 +3,8 @@
 #ifdef NEED_PIPE2
 int pipe2(int pipefd[2], int flags);
 #endif
+
+#ifdef __APPLE__
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron())
+#endif