From f6cb5c72bc6d8dc4d57948294f6a38e3d95afcc7 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@sudo.ws>
Date: Sat, 5 Sep 2020 15:38:33 -0600
Subject: [PATCH] Prefer dlopen() over shl_load() on HP-UX 11.11 and higher.

---
 configure    |  8 ++++++++
 configure.ac | 13 +++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/configure b/configure
index e6a60f9af..a8f8e39cc 100755
--- a/configure
+++ b/configure
@@ -7263,6 +7263,14 @@ fi
     ;;
 esac
 
+case "$host_os" in
+hiuxmpp*|hpux11.1[1-9]|hpux11.[2-9][0-9]|hpux1[2-9].*)
+    # Prefer dlopen() over shl_load()
+    : ${ac_cv_func_shl_load='no'}
+    : ${ac_cv_lib_dld_shl_load='no'}
+    ;;
+esac
+
 
 case `pwd` in
   *\ * | *\	*)
diff --git a/configure.ac b/configure.ac
index fb96f051f..58b3fd9d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1716,6 +1716,19 @@ aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*)
     ;;
 esac
 
+dnl
+dnl On HP-UX 11.11 and higher (and hiuxmpp) we prefer dlopen()
+dnl over shl_load().  Libtool defaults to shl_load() so we need
+dnl to prime the cache to override that default.
+dnl
+case "$host_os" in
+hiuxmpp*|hpux11.1[[1-9]]|hpux11.[[2-9]][[0-9]]|hpux1[[2-9]].*)
+    # Prefer dlopen() over shl_load()
+    : ${ac_cv_func_shl_load='no'}
+    : ${ac_cv_lib_dld_shl_load='no'}
+    ;;
+esac
+
 dnl
 dnl Libtool init, we require libtool 2.2.6b or higher
 dnl