From 77b357605981392ce5b68b561c4be744f8e89eb8 Mon Sep 17 00:00:00 2001
From: heckflosse <heckflosse67@gmx.de>
Date: Fri, 13 Oct 2017 21:05:37 +0200
Subject: [PATCH] dual-threaded fill of lensfun treestores, #4140

---
 rtgui/lensprofile.cc | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/rtgui/lensprofile.cc b/rtgui/lensprofile.cc
index 0c3b227aa..899ef289e 100644
--- a/rtgui/lensprofile.cc
+++ b/rtgui/lensprofile.cc
@@ -582,13 +582,27 @@ bool LensProfilePanel::checkLensfunCanCorrect(bool automatch)
 //-----------------------------------------------------------------------------
 
 LensProfilePanel::LFDbHelper::LFDbHelper()
+{
+#ifdef _OPENMP
+#pragma omp parallel sections
+#endif
+{
+#ifdef _OPENMP
+#pragma omp section
+#endif
 {
     lensfunCameraModel = Gtk::TreeStore::create(lensfunModelCam);
-    lensfunLensModel = Gtk::TreeStore::create(lensfunModelLens);
-
     fillLensfunCameras();
+}
+#ifdef _OPENMP
+#pragma omp section
+#endif
+{
+    lensfunLensModel = Gtk::TreeStore::create(lensfunModelLens);
     fillLensfunLenses();
 }
+}
+}
 
 void LensProfilePanel::LFDbHelper::fillLensfunCameras()
 {