From e3a06dca704e234fc3ae9958df7417b3b3c463f4 Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Thu, 19 Apr 2018 14:48:31 +0200
Subject: [PATCH] Fallback to system ngspice library when libngspice is not
 found in other paths on macOS

---
 eeschema/sim/ngspice.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/eeschema/sim/ngspice.cpp b/eeschema/sim/ngspice.cpp
index 048260be50..f85d075ae5 100644
--- a/eeschema/sim/ngspice.cpp
+++ b/eeschema/sim/ngspice.cpp
@@ -313,9 +313,10 @@ void NGSPICE::init_dll()
             break;
         }
     }
-#else /* not __WINDOWS || __WXMAC__ */
-    m_dll.Load( wxDynamicLibrary::CanonicalizeName( "ngspice" ) );
-#endif
+
+    if( !m_dll.IsLoaded() ) // try also the system libraries
+#endif /* __WINDOWS || __WXMAC__ */
+        m_dll.Load( wxDynamicLibrary::CanonicalizeName( "ngspice" ) );
 
     if( !m_dll.IsLoaded() )
         throw std::runtime_error( "Missing ngspice shared library" );