commit dd21f326832b8a899562f759049fd592315a92e1
author Lei Zhang <antiagainst@google.com> Thu Sep 10 10:47:33 2020 -0400
committer Lei Zhang <antiagainst@google.com> Thu Sep 10 10:47:33 2020 -0400
tree 95e9f877899c5977105a0858324a8c9b7b301c76
parent e88470f345a5e0f4cb69c65527e47dad5ad67720

Fix C/C++ Flags appending

build_tools/cmake/iree_macros.cmake

diff --git a/build_tools/cmake/iree_macros.cmake b/build_tools/cmake/iree_macros.cmake
index b1e70d4..04466b5 100644
--- a/build_tools/cmake/iree_macros.cmake
+++ b/build_tools/cmake/iree_macros.cmake
@@ -42,6 +42,17 @@
   endif()
 endfunction()
 
+# iree_append_list_to_string
+#
+# Joins ${ARGN} together as a string separated by " " and appends it to
+# ${VARIABLE}.
+function(iree_append_list_to_string VARIABLE)
+  if(NOT "${ARGN}" STREQUAL "")
+    string(JOIN " " _ARGN_STR ${ARGN})
+    set(${VARIABLE} "${${VARIABLE}} ${_ARGN_STR}" PARENT_SCOPE)
+  endif()
+endfunction()
+
 
 #-------------------------------------------------------------------------------
 # Packages and Paths