X-Git-Url: http://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=CMakeLists.txt;fp=CMakeLists.txt;h=c206d9158dc0994761ea88538c39670934fab1ec;hp=395222a25a7838a1717eb0c4427850d32696ebaa;hb=cb40d40c6c60f2b1bec744ad946253e3d8c56c13;hpb=e0a90b4c5d6b1163a2cbece13a90f2737f0814d4

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 395222a2..c206d915 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,23 +83,39 @@ include(memaccess)
 
 find_package(PkgConfig)
 
-check_cxx_compiler_flag("-std=c++17" HAVE_STD_CXX_17)
-check_cxx_compiler_flag("-std=c++14" HAVE_STD_CXX_14)
-check_cxx_compiler_flag("-std=c++11" HAVE_STD_CXX_11)
-if(HAVE_STD_CXX_17)
-	message(STATUS "Using C++17 for the application build")
-	set(CMAKE_CXX_STANDARD 17)
-	set(REQUIRED_STD_CXX_FLAGS "-std=c++17")
-elseif(HAVE_STD_CXX_14)
-	message(STATUS "Using C++14 for the application build")
-	set(CMAKE_CXX_STANDARD 14)
-	set(REQUIRED_STD_CXX_FLAGS "-std=c++14")
-elseif(HAVE_STD_CXX_11)
-	message(STATUS "Using C++11 for the application build")
-	set(CMAKE_CXX_STANDARD 11)
-	set(REQUIRED_STD_CXX_FLAGS "-std=c++11")
+if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.8.0")
+	check_cxx_compiler_flag("-std=c++17" HAVE_STD_CXX_17)
+	check_cxx_compiler_flag("-std=c++14" HAVE_STD_CXX_14)
+	check_cxx_compiler_flag("-std=c++11" HAVE_STD_CXX_11)
+	if(HAVE_STD_CXX_17)
+		message(STATUS "Using C++17 for the application build")
+		set(CMAKE_CXX_STANDARD 17)
+		set(REQUIRED_STD_CXX_FLAGS "-std=c++17")
+	elseif(HAVE_STD_CXX_14)
+		message(STATUS "Using C++14 for the application build")
+		set(CMAKE_CXX_STANDARD 14)
+		set(REQUIRED_STD_CXX_FLAGS "-std=c++14")
+	elseif(HAVE_STD_CXX_11)
+		message(STATUS "Using C++11 for the application build")
+		set(CMAKE_CXX_STANDARD 11)
+		set(REQUIRED_STD_CXX_FLAGS "-std=c++11")
+	else()
+		message(FATAL_ERROR "Need modern C++, at least language standard 11")
+	endif()
 else()
-	message(FATAL_ERROR "Need modern C++, at least language standard 11")
+	check_cxx_compiler_flag("-std=c++14" HAVE_STD_CXX_14)
+	check_cxx_compiler_flag("-std=c++11" HAVE_STD_CXX_11)
+	if(HAVE_STD_CXX_14)
+		message(STATUS "Using C++14 for the application build")
+		set(CMAKE_CXX_STANDARD 14)
+		set(REQUIRED_STD_CXX_FLAGS "-std=c++14")
+	elseif(HAVE_STD_CXX_11)
+		message(STATUS "Using C++11 for the application build")
+		set(CMAKE_CXX_STANDARD 11)
+		set(REQUIRED_STD_CXX_FLAGS "-std=c++11")
+	else()
+		message(FATAL_ERROR "Need modern C++, at least language standard 11")
+	endif()
 endif()
 
 list(APPEND PKGDEPS glib-2.0>=2.28.0)