commit f84d54a0337f9e101c8baeb51272f33b05b2a0e1
from: Ben Huntsman <BHuntsman@mail2.cu-portland.edu>
via: Russ Cox <rsc@swtch.com>
date: Fri May 08 00:36:03 2020 UTC

mk: support Big Archive Format under AIX

commit - 4982d4ebc3bd4924d73f2f2ad584309e9ec97435
commit + f84d54a0337f9e101c8baeb51272f33b05b2a0e1
blob - 5b0c1d0070b78cb9a5b703b9467c303a1cd0f41d
blob + 6d646979e6c71705efbedcbcc937a4b813aceaeb
--- src/cmd/mk/archive.c
+++ src/cmd/mk/archive.c
@@ -1,5 +1,9 @@
 #include	"mk.h"
+#if defined(__AIX__)
+#define ARMAG	"<bigaf>\n"
+#else
 #define	ARMAG	"!<arch>\n"
+#endif
 #define	SARMAG	(sizeof(ARMAG) - sizeof(""))
 
 #define	ARFMAG	"`\n"