update PLATFORMS

diff --git a/PLATFORMS b/PLATFORMS
index 34787f29c2430c6bea9ebf3ec5a4c1e2f07ced47..4f11c5156416ae5d0ed4d61771e8cf00e836ed56 100644 (file)
--- a/PLATFORMS
+++ b/PLATFORMS
@@ -7,6 +7,7 @@ tcpdump compiles and works on at least the following platforms:
 
 * AIX
 * FreeBSD
+* HP-UX 11i
 * Linux (any) with glibc (usually just works)
 * Linux (any) with musl libc (sometimes fails to compile, please report any bugs)
 * Mac OS X / macOS