From e06740b9481b135c4d7608e2cfeb520935a6710c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20W=C3=A4ckerlin?= <marc@merkur.int.swisssign.net>
Date: Mon, 9 Jul 2018 15:55:31 +0200
Subject: [PATCH] fix qt plugin path detection

---
 ax_check_qt.m4         | 21 ++++++++++++++++++---
 scripts/ax_check_qt.m4 | 21 ++++++++++++++++++---
 2 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/ax_check_qt.m4 b/ax_check_qt.m4
index e0eecf2..dfd8ac2 100644
--- a/ax_check_qt.m4
+++ b/ax_check_qt.m4
@@ -119,10 +119,25 @@ AC_DEFUN([AX_CHECK_QT], [
     AC_DEFINE([HAVE_$1])
     QTDIR=$(${PKG_CONFIG} --variable=prefix Qt5Core)
     qt_host_bins=$(${PKG_CONFIG} --variable=host_bins Qt5Core)
-    if test -d "${qt_host_bins}"; then
-      QT_PLUGIN_PATH=${qt_host_bins}/../plugins
+    qt_libdir=$(${PKG_CONFIG} --variable=libdir Qt5Core)
+    if test -d "${qt_libdir}" -a -d "${qt_libdir}/plugins"; then
+      QT_PLUGIN_PATH="${qt_libdir}/plugins"
+    elif test -d "${qt_libdir}/qt5" -a -d "${qt_libdir}/qt5/plugins"; then
+      QT_PLUGIN_PATH="${qt_libdir}/qt5/plugins"
+    elif test -d "${qt_host_bins}" -a -d "${qt_host_bins}/../plugins"; then
+      QT_PLUGIN_PATH="${qt_host_bins}/../plugins"
+    elif test -d "${QTDIR}/plugins; then
+      QT_PLUGIN_PATH="${QTDIR}/plugins"
+    elif test -d "${QTDIR}/share/qt5/plugins; then
+      QT_PLUGIN_PATH="${QTDIR}/share/qt5/plugins"
     else
-      QT_PLUGIN_PATH=${QTDIR}/share/qt5/plugins
+      AC_MSG_ERROR([QT_PLUGIN_PATH not found
+ - not in: ${qt_libdir}/plugins
+ - not in: ${qt_libdir}/qt5/plugins
+ - not in: ${qt_host_bins}/../plugins
+ - not in: ${QTDIR}/plugins
+ - not in: ${QTDIR}/share/qt5/plugins
+])
     fi
     MOC_FLAGS+=" -DHAVE_$1=1 ${[$1]5_CFLAGS}"
     [$1]_CPPFLAGS="${[$1]5_CFLAGS}"
diff --git a/scripts/ax_check_qt.m4 b/scripts/ax_check_qt.m4
index e0eecf2..dfd8ac2 100644
--- a/scripts/ax_check_qt.m4
+++ b/scripts/ax_check_qt.m4
@@ -119,10 +119,25 @@ AC_DEFUN([AX_CHECK_QT], [
     AC_DEFINE([HAVE_$1])
     QTDIR=$(${PKG_CONFIG} --variable=prefix Qt5Core)
     qt_host_bins=$(${PKG_CONFIG} --variable=host_bins Qt5Core)
-    if test -d "${qt_host_bins}"; then
-      QT_PLUGIN_PATH=${qt_host_bins}/../plugins
+    qt_libdir=$(${PKG_CONFIG} --variable=libdir Qt5Core)
+    if test -d "${qt_libdir}" -a -d "${qt_libdir}/plugins"; then
+      QT_PLUGIN_PATH="${qt_libdir}/plugins"
+    elif test -d "${qt_libdir}/qt5" -a -d "${qt_libdir}/qt5/plugins"; then
+      QT_PLUGIN_PATH="${qt_libdir}/qt5/plugins"
+    elif test -d "${qt_host_bins}" -a -d "${qt_host_bins}/../plugins"; then
+      QT_PLUGIN_PATH="${qt_host_bins}/../plugins"
+    elif test -d "${QTDIR}/plugins; then
+      QT_PLUGIN_PATH="${QTDIR}/plugins"
+    elif test -d "${QTDIR}/share/qt5/plugins; then
+      QT_PLUGIN_PATH="${QTDIR}/share/qt5/plugins"
     else
-      QT_PLUGIN_PATH=${QTDIR}/share/qt5/plugins
+      AC_MSG_ERROR([QT_PLUGIN_PATH not found
+ - not in: ${qt_libdir}/plugins
+ - not in: ${qt_libdir}/qt5/plugins
+ - not in: ${qt_host_bins}/../plugins
+ - not in: ${QTDIR}/plugins
+ - not in: ${QTDIR}/share/qt5/plugins
+])
     fi
     MOC_FLAGS+=" -DHAVE_$1=1 ${[$1]5_CFLAGS}"
     [$1]_CPPFLAGS="${[$1]5_CFLAGS}"