From 45912a8970341a33ec485814c1694df62030eede Mon Sep 17 00:00:00 2001
From: Guilhem Lavaux <guilhem.lavaux@laposte.net>
Date: Mon, 26 Mar 2018 10:18:54 +0200
Subject: [PATCH] Fix netcdf path propagation

---
 external/external_build.cmake | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/external/external_build.cmake b/external/external_build.cmake
index ae8d0e8..054a651 100644
--- a/external/external_build.cmake
+++ b/external/external_build.cmake
@@ -160,12 +160,15 @@ if (INTERNAL_NETCDF)
          --disable-cdmremote --disable-rpc --enable-cxx-4 
          --disable-examples ${EXTRA_NC_FLAGS} CC=${CMAKE_C_COMPILER}
          CXX=${CMAKE_CXX_COMPILER})
+  list(INSERT CMAKE_PREFIX_PATH 0 ${EXT_INSTALL})
+  string(REPLACE ";" "|" CMAKE_PREFIX_PATH_ALT_SEP "${CMAKE_PREFIX_PATH}")
   ExternalProject_Add(netcdf
     DEPENDS ${hdf5_built}
     PREFIX ${BUILD_PREFIX}/netcdf-prefix
     URL ${NETCDF_URL}
+  LIST_SEPARATOR |
 	CMAKE_ARGS
-		-DCMAKE_PREFIX_PATH=${EXT_INSTALL}
+		-DCMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH_ALT_SEP}
 		-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
 		-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
 		-DBUILD_SHARED_LIBS=OFF