From: Timo Heister <timo.heister@gmail.com>
Date: Fri, 30 Oct 2015 16:12:26 +0000 (-0400)
Subject: fix cmake expand_instantiations ldgold workaround
X-Git-Tag: v8.4.0-rc2~265^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F1816%2Fhead;p=dealii.git

fix cmake expand_instantiations ldgold workaround

Avoid cmake error if DEAL_II_LINKER_FLAGS is empty.
---

diff --git a/cmake/scripts/CMakeLists.txt b/cmake/scripts/CMakeLists.txt
index a51f8cb04c..5db06b730f 100644
--- a/cmake/scripts/CMakeLists.txt
+++ b/cmake/scripts/CMakeLists.txt
@@ -27,7 +27,8 @@ ADD_EXECUTABLE(expand_instantiations_exe expand_instantiations.cc)
 # linker flag, filtering this one command out of the list of flags
 # does not harm either.
 #
-STRING(REPLACE "-fuse-ld=gold" "" _expand_instantiations_link_flags ${DEAL_II_LINKER_FLAGS} )
+STRING(REPLACE "-fuse-ld=gold" "" _expand_instantiations_link_flags "${DEAL_II_LINKER_FLAGS}" )
+
 SET_TARGET_PROPERTIES(expand_instantiations_exe PROPERTIES
   LINK_FLAGS "${_expand_instantiations_link_flags}"
   LINKER_LANGUAGE "CXX"