From 459739678443d2d2074d6e1475e4267c6c110e05 Mon Sep 17 00:00:00 2001
From: Gregor Jasny <gjasny@googlemail.com>
Date: Sun, 15 Apr 2018 21:47:10 +0200
Subject: [PATCH] Apple: Use include_guard() within compiler config

---
 Modules/Platform/Apple-Clang.cmake | 5 +----
 Modules/Platform/Apple-GNU.cmake   | 5 +----
 Modules/Platform/Apple-Intel.cmake | 5 +----
 Modules/Platform/Apple-PGI.cmake   | 5 +----
 4 files changed, 4 insertions(+), 16 deletions(-)

diff --git a/Modules/Platform/Apple-Clang.cmake b/Modules/Platform/Apple-Clang.cmake
index 70fc75e9d5..0681bfb059 100644
--- a/Modules/Platform/Apple-Clang.cmake
+++ b/Modules/Platform/Apple-Clang.cmake
@@ -3,10 +3,7 @@
 
 
 # This module is shared by multiple languages; use include blocker.
-if(__APPLE_COMPILER_CLANG)
-  return()
-endif()
-set(__APPLE_COMPILER_CLANG 1)
+include_guard()
 
 macro(__apple_compiler_clang lang)
   set(CMAKE_${lang}_VERBOSE_FLAG "-v -Wl,-v") # also tell linker to print verbose output
diff --git a/Modules/Platform/Apple-GNU.cmake b/Modules/Platform/Apple-GNU.cmake
index 9985dddd7d..0eb8168310 100644
--- a/Modules/Platform/Apple-GNU.cmake
+++ b/Modules/Platform/Apple-GNU.cmake
@@ -3,10 +3,7 @@
 
 
 # This module is shared by multiple languages; use include blocker.
-if(__APPLE_COMPILER_GNU)
-  return()
-endif()
-set(__APPLE_COMPILER_GNU 1)
+include_guard()
 
 macro(__apple_compiler_gnu lang)
   set(CMAKE_${lang}_VERBOSE_FLAG "-v -Wl,-v") # also tell linker to print verbose output
diff --git a/Modules/Platform/Apple-Intel.cmake b/Modules/Platform/Apple-Intel.cmake
index 9f92d9592a..2d4f7e5917 100644
--- a/Modules/Platform/Apple-Intel.cmake
+++ b/Modules/Platform/Apple-Intel.cmake
@@ -3,10 +3,7 @@
 
 
 # This module is shared by multiple languages; use include blocker.
-if(__APPLE_COMPILER_INTEL)
-  return()
-endif()
-set(__APPLE_COMPILER_INTEL 1)
+include_guard()
 
 macro(__apple_compiler_intel lang)
   set(CMAKE_${lang}_VERBOSE_FLAG "-v -Wl,-v") # also tell linker to print verbose output
diff --git a/Modules/Platform/Apple-PGI.cmake b/Modules/Platform/Apple-PGI.cmake
index a68c08dea7..8d343b7d16 100644
--- a/Modules/Platform/Apple-PGI.cmake
+++ b/Modules/Platform/Apple-PGI.cmake
@@ -2,10 +2,7 @@
 # file Copyright.txt or https://cmake.org/licensing for details.
 
 # This module is shared by multiple languages; use include blocker.
-if(__APPLE_COMPILER_PGI)
-  return()
-endif()
-set(__APPLE_COMPILER_PGI 1)
+include_guard()
 
 macro(__apple_compiler_pgi lang)
   set(CMAKE_${lang}_OSX_COMPATIBILITY_VERSION_FLAG "-Wl,-compatibility_version,")