From 447fbb3facd09a29a2a402df258acf01cbf0bc34 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Wed, 16 Apr 2014 17:22:01 +0200
Subject: Tests: Execute compile features tests unconditionally.

Conditionally create a dummy test if there are no known features.
---
 Tests/CMakeCommands/target_compile_features/CMakeLists.txt | 8 ++++++++
 Tests/CMakeLists.txt                                       | 8 +++-----
 Tests/CompileFeatures/CMakeLists.txt                       | 8 ++++++++
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/Tests/CMakeCommands/target_compile_features/CMakeLists.txt b/Tests/CMakeCommands/target_compile_features/CMakeLists.txt
index ad76411..62e3ce0 100644
--- a/Tests/CMakeCommands/target_compile_features/CMakeLists.txt
+++ b/Tests/CMakeCommands/target_compile_features/CMakeLists.txt
@@ -1,6 +1,14 @@
 cmake_minimum_required(VERSION 3.0)
 project(target_compile_features)
 
+if (NOT CMAKE_CXX_COMPILE_FEATURES)
+  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/test_dummy.cpp"
+    "int main(int,char**) { return 0; }\n"
+  )
+  add_executable(target_compile_features "${CMAKE_CURRENT_BINARY_DIR}/test_dummy.cpp")
+  return()
+endif()
+
 set(CMAKE_VERBOSE_MAKEFILE ON)
 
 add_executable(target_compile_features main.cpp)
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 12bd3b2..9d642cc 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -197,11 +197,9 @@ if(BUILD_TESTING)
   ADD_TEST_MACRO(TarTest TarTest)
   ADD_TEST_MACRO(SystemInformation SystemInformation)
   ADD_TEST_MACRO(MathTest MathTest)
-  if(CMAKE_CXX_COMPILER_ID STREQUAL GNU
-      AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
-    ADD_TEST_MACRO(CompileFeatures CompileFeatures)
-    ADD_TEST_MACRO(CMakeCommands.target_compile_features target_compile_features)
-  endif()
+  ADD_TEST_MACRO(CompileFeatures CompileFeatures)
+  ADD_TEST_MACRO(CMakeCommands.target_compile_features target_compile_features)
+
   # assume no resources building to test
   set(TEST_RESOURCES FALSE)
   # for windows and cygwin assume we have resources
diff --git a/Tests/CompileFeatures/CMakeLists.txt b/Tests/CompileFeatures/CMakeLists.txt
index bceb6bb..ce5004b 100644
--- a/Tests/CompileFeatures/CMakeLists.txt
+++ b/Tests/CompileFeatures/CMakeLists.txt
@@ -3,6 +3,14 @@ cmake_minimum_required(VERSION 3.0)
 
 project(CompileFeatures)
 
+if (NOT CMAKE_CXX_COMPILE_FEATURES)
+  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
+    "int main(int,char**) { return 0; }\n"
+  )
+  add_executable(CompileFeatures "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
+  return()
+endif()
+
 macro(run_test feature)
   if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ${feature})
     add_library(test_${feature} OBJECT ${feature}.cpp)
-- 
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