From f9e34825f0f07ac60c97a593b363ee518e83ad56 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Thu, 1 Aug 2019 16:42:52 -0400
Subject: [PATCH] workaround for xcode oddity with compiling voro++

---
 cmake/Modules/Packages/VORONOI.cmake | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/cmake/Modules/Packages/VORONOI.cmake b/cmake/Modules/Packages/VORONOI.cmake
index 5ce974a7ae..89fa70bf98 100644
--- a/cmake/Modules/Packages/VORONOI.cmake
+++ b/cmake/Modules/Packages/VORONOI.cmake
@@ -18,8 +18,12 @@ if(PKG_VORONOI)
     else()
       set(VORO_BUILD_CFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BTYPE}}")
     endif()
-    string(APPEND VORO_BUILD_CFLAGS ${CMAKE_CXX_FLAGS})
-    set(VORO_BUILD_OPTIONS CXX=${CMAKE_CXX_COMPILER} CFLAGS=${VORO_BUILD_CFLAGS})
+    if(APPLE)
+      get_filename_component(VORO_CXX ${CMAKE_CXX_COMPILER} NAME_WE)
+      set(VORO_BUILD_OPTIONS CXX=${VORO_CXX} CFLAGS=${VORO_BUILD_CFLAGS})
+    else()
+      set(VORO_BUILD_OPTIONS CXX=${CMAKE_CXX_COMPILER} CFLAGS=${VORO_BUILD_CFLAGS})
+    endif()
 
     ExternalProject_Add(voro_build
       URL https://download.lammps.org/thirdparty/voro++-0.4.6.tar.gz