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-rw-r--r--Tests/IncludeDirectories/CMakeLists.txt21
1 files changed, 21 insertions, 0 deletions
diff --git a/Tests/IncludeDirectories/CMakeLists.txt b/Tests/IncludeDirectories/CMakeLists.txt
index 3e3ecc90d..35ad8dc90 100644
--- a/Tests/IncludeDirectories/CMakeLists.txt
+++ b/Tests/IncludeDirectories/CMakeLists.txt
@@ -1,6 +1,23 @@
cmake_minimum_required (VERSION 2.6)
project(IncludeDirectories)
+if (((CMAKE_C_COMPILER_ID STREQUAL GNU AND CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.4)
+ OR CMAKE_C_COMPILER_ID STREQUAL Clang)
+ AND (CMAKE_GENERATOR STREQUAL "Unix Makefiles" OR CMAKE_GENERATOR STREQUAL "Ninja"))
+ include(CheckCXXCompilerFlag)
+ check_cxx_compiler_flag(-Wunused-variable run_sys_includes_test)
+ if(run_sys_includes_test)
+ # The Bullseye wrapper appears to break the -isystem effect.
+ execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE out ERROR_VARIABLE out)
+ if("x${out}" MATCHES "Bullseye")
+ set(run_sys_includes_test 0)
+ endif()
+ endif()
+ if (run_sys_includes_test)
+ add_subdirectory(SystemIncludeDirectories)
+ endif()
+endif()
+
file(WRITE ${CMAKE_BINARY_DIR}/Flags/Flags.h
"//Flags.h
")
@@ -69,3 +86,7 @@ get_target_property(incs empty_entry_test INCLUDE_DIRECTORIES)
if (NOT incs STREQUAL ";/one/two")
message(SEND_ERROR "Empty include_directories entry was not ignored.")
endif()
+
+if(NOT CMAKE_GENERATOR STREQUAL Xcode AND NOT CMAKE_GENERATOR STREQUAL Ninja)
+ add_subdirectory(CMP0021)
+endif()