don't do -ipo check for non-intel compilers (causes issues with Clang on OSX)

e2bb4eb8 · Wenzel Jakob · 3fe59b9b · e2bb4eb8
Commit e2bb4eb8 authored Feb 19, 2016 by Wenzel Jakob
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Showing with 5 additions and 3 deletions

CMakeLists.txt CMakeLists.txt +5 -3

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,9 +64,11 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU"
    endif()
    # Intel equivalent to LTO is called IPO
-    CHECK_CXX_COMPILER_FLAG("-ipo" HAS_IPO_FLAG)
+    if (CMAKE_CXX_COMPILER_ID MATCHES "Intel")
-    if (HAS_IPO_FLAG)
+      CHECK_CXX_COMPILER_FLAG("-ipo" HAS_IPO_FLAG)
-      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ipo")
+      if (HAS_IPO_FLAG)
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ipo")
+      endif()
    endif()
  endif()
 endif()