From e9628fbd391972d4ffe5882d283d512df7fa705c Mon Sep 17 00:00:00 2001
From: Oleksandr Tymoshenko <gonzo@bluezbox.com>
Date: Mon, 16 May 2016 23:24:36 -0700
Subject: Fix dynamic librariy support detection for platforms without libdl

Some platforms (e.g. FreeBSD) do not have libdl, but dlopen and related
functions are part of libc. So first check for dlopen in libc, and only
if that fails, look for it in libdl.

Task-number: QTBUG-52951
Change-Id: I65a8ed18fce157da32f4e1ffeba30d7513385a8f
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 configure | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 7c65fbd8b5..109c0bbbac 100755
--- a/configure
+++ b/configure
@@ -4743,9 +4743,13 @@ if [ "$CFG_LIBPNG" = "auto" ]; then
 fi
 
 # detect dl
-if ! compileTest unix/libdl "libdl"; then
-    QMakeVar add DEFINES QT_NO_DYNAMIC_LIBRARY
+if compileTest unix/dlopen "dlopen"; then
     QMAKE_CONFIG="$QMAKE_CONFIG no-libdl"
+else
+    if ! compileTest unix/libdl "libdl"; then
+        QMAKE_CONFIG="$QMAKE_CONFIG no-libdl"
+        QMakeVar add DEFINES QT_NO_DYNAMIC_LIBRARY
+    fi
 fi
 
 if [ "$CFG_EGLFS" = "yes" ]; then
-- 
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