cmake: honour CMAKE_REQUIRED_LIBRARIES in CheckIncludeFiles

to silence cmake warning regarding to CMP0075

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index db3e15d17b92097b4801017ebcc2021596abc57f..d9ec6bc4dd68e57287b441fb96e22637407f19fc 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,6 +21,9 @@ endif()
 if(POLICY CMP0051)
   cmake_policy(SET CMP0051 NEW)
 endif()
+if(POLICY CMP0075)
+  cmake_policy(SET CMP0075 NEW)
+endif()
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules/")
 
 if(CMAKE_SYSTEM_NAME MATCHES "Linux")
@@ -95,12 +98,17 @@ endif()
 CHECK_FUNCTION_EXISTS(strerror_r HAVE_Strerror_R)
 CHECK_FUNCTION_EXISTS(name_to_handle_at HAVE_NAME_TO_HANDLE_AT)
 CHECK_FUNCTION_EXISTS(pipe2 HAVE_PIPE2)
+
+include(CMakePushCheckState)
+cmake_push_check_state(RESET)
 set(CMAKE_REQUIRED_LIBRARIES pthread)
 CHECK_FUNCTION_EXISTS(pthread_spin_init HAVE_PTHREAD_SPINLOCK)
 CHECK_FUNCTION_EXISTS(pthread_set_name_np HAVE_PTHREAD_SET_NAME_NP)
 CHECK_FUNCTION_EXISTS(pthread_setname_np HAVE_PTHREAD_SETNAME_NP)
 CHECK_FUNCTION_EXISTS(pthread_getname_np HAVE_PTHREAD_GETNAME_NP)
 CHECK_FUNCTION_EXISTS(pthread_rwlockattr_setkind_np HAVE_PTHREAD_RWLOCKATTR_SETKIND_NP)
+cmake_pop_check_state()
+
 CHECK_FUNCTION_EXISTS(eventfd HAVE_EVENTFD)
 CHECK_FUNCTION_EXISTS(getprogname HAVE_GETPROGNAME)