updated build system

ax_check_qt.m4

@@ -103,7 +103,12 @@ AC_DEFUN([AX_CHECK_QT], [
     HAVE_$1=1
     AC_DEFINE([HAVE_$1])
     QTDIR=$(${PKG_CONFIG} --variable=prefix Qt5Core)
-    QT_PLUGIN_PATH=${QTDIR}/share/qt5/plugins
+    qt_host_bins=$(${PKG_CONFIG} --variable=host_bins Qt5Core)
+    if test -d "${qt_host_bins}"; then
+      QT_PLUGIN_PATH=${qt_host_bins}/../plugins
+    else
+      QT_PLUGIN_PATH=${QTDIR}/share/qt5/plugins
+    fi
     MOC_FLAGS+=" -DHAVE_$1=1 ${[$1]5_CFLAGS}"
     [$1]_CPPFLAGS="${[$1]5_CFLAGS}"
     [$1]_CXXFLAGS="${[$1]5_CFLAGS}"
@@ -145,7 +150,12 @@ AC_DEFUN([AX_CHECK_QT], [
       HAVE_$1=1
       AC_DEFINE([HAVE_$1])
       QTDIR=$(${PKG_CONFIG} --variable=prefix QtCore)
-      QT_PLUGIN_PATH=${QTDIR}/share/qt/plugins
+      qt_host_bins=$(${PKG_CONFIG} --variable=host_bins QtCore)
+      if test -d "${qt_host_bins}"; then
+        QT_PLUGIN_PATH=${qt_host_bins}/../plugins
+      else
+        QT_PLUGIN_PATH=${QTDIR}/share/qt/plugins
+      fi
       MOC_FLAGS+=" -DHAVE_$1=1 ${$1_CFLAGS}"
       [$1]_CPPFLAGS="${[$1]_CFLAGS}"
       [$1]_CXXFLAGS="${[$1]_CFLAGS}"
@@ -188,6 +198,16 @@ AC_DEFUN([AX_CHECK_QT], [
   if test -n "${MINGW}"; then
     AX_CHECK_VALID_CXX_FLAG([-Wl,-subsystem,windows], [windows console flag])
   fi
+  test "x$prefix" = xNONE && prefix=$ac_default_prefix
+  if test "${QT_PLUGIN_PATH}" = "${QT_PLUGIN_PATH#${prefix}}"; then
+    QT_PLUGIN_PATH=${prefix}${QT_PLUGIN_PATH#/usr}
+  fi
+  AC_ARG_WITH([qt-plugin-path],
+              [AS_HELP_STRING([--with-qt-plugin-path=PATH],
+                              [define a different qt plugin path, current @<:@default=check@:>@])],
+              [QT_PLUGIN_PATH=$with_qt_plugin_path],
+              [])
+  AC_MSG_NOTICE([Qt Plugins are installed to ${QT_PLUGIN_PATH}])
   AC_SUBST(QTDIR)
   AC_SUBST(QT_PLUGIN_PATH)
   AC_SUBST(CPPFLAGS)
@@ -214,10 +234,10 @@ qrc_%.cxx: %.qrc
 %.qm: %.ts
 	${LRELEASE} $< -qm [$][@]
 
-#%.ts: ${LANGUAGE_FILES:%=%}
-#	${LUPDATE} -no-obsolete \
-#	           -target-language ${@:${LANGUAGE_FILE_BASE}_%.ts=%} \
-#	           -ts [$][@] $<
+%.ts: ${LANGUAGE_FILES:%=%}
+	${LUPDATE} -no-obsolete \
+	           -target-language ${@:${LANGUAGE_FILE_BASE}_%.ts=%} \
+	           -ts [$][@] $<
 
 '])