From 229fb8483eb8188c3834a08b494d726503d07e33 Mon Sep 17 00:00:00 2001
From: Michael Osipov <michael.osipov@siemens.com>
Date: Wed, 8 May 2019 02:02:19 +0200
Subject: Document HP-UX build support (#155)

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index 6223682..deb96be 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,19 @@ the included `LICENSE.md` file for more detailed information.
 
 For compilation of the C library run `make`.
 
+### Compiling on HP-UX
+Have HP aCC, GNU Make, and either GNU coreutils (`install`) or GNU libtool
+installed.
+
+```
+$ gmake CC=/opt/aCC/bin/aCC CFLAGS="" PICFLAG='+z' C99FLAG=-Ae INSTALL=.. \
+  WCFLAGS='+w' LDFLAG_SHARED=-b SOFLAG="-Wl,+h" \
+  prefix=$PREFIX libdir=$PREFIX/lib/hpux32 install
+```
+
+where `INSTALL` points either to `install` or `install-sh`, `PREFIX` points to
+your preferred target, e.g., `/opt` in System V Unix.
+
 ## General Information
 
 The C library is found in this directory after successful compilation
-- 
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