Changeset 19779

Timestamp:

10/24/19 13:39:20 (5 years ago)

Author:

tbretz

Message:

Enforce at least cmake 3.0 (cmake 2.8.12 fails), gcc 4.4.7 (known to work on SL6.10 if root compiles with it) and clang 3.8 (known to work in Ubuntu 16.04 if root compiles with it)

File:

• trunk/Mars/CMakeLists.txt (modified) (3 diffs)

trunk/Mars/CMakeLists.txt

@@ -2 +2 @@
 # ************ cmake **************
 # *********************************
-CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.0 FATAL_ERROR)
 CMAKE_POLICY(SET CMP0043 NEW)
 CMAKE_POLICY(SET CMP0048 NEW)
@@ -29 +29 @@
 #CHECK_TYPE_SIZE("int"   SIZEOF_INT)
 
-
-
 # *********************************
 # ************ Project ************
@@ -42 +40 @@
 
 INCLUDE(GNUInstallDirs)
+
+IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+    IF (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4.7 OR
+        CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4.7)
+        MESSAGE(FATAL_ERROR "gcc/g++: at least version 4.4.7 required!")
+    ENDIF()
+ELSEIF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+    IF (CMAKE_C_COMPILER_VERSION VERSION_LESS 3.8 OR
+        CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.8)
+        MESSAGE(FATAL_ERROR "clang/clang++: at least version 3.8 required!")
+    ENDIF()
+ELSE()
+    MESSAGE(WARNING "You are using an unsupported compiler! Compilation has only been tested only with clang and GCC.")
+ENDIF()
 
 # ======== For config.h.in =========