From: Martin Quinson <martin.quinson@loria.fr>
Date: Mon, 27 Jul 2015 22:42:00 +0000 (+0200)
Subject: Don't forbid the use of MSVC, to test AppVeyor
X-Git-Tag: v3_12~360
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/1976ec5136c040701aa8b334f131e01c565e7852

Don't forbid the use of MSVC, to test AppVeyor
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index abfa14c7df..d27ec86ed8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,10 +33,14 @@ include(CheckCXXCompilerFlag)
 CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
 if(COMPILER_SUPPORTS_CXX11)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-else()
-  message(FATAL_ERROR 
-          "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. "
-	  "Please use a decent C++ compiler.")
+else() 
+  if(MSVC)
+    message("MSVC is believed to have a sufficient C++11 support. Not sure")
+  else()
+    message(FATAL_ERROR 
+            "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. "
+  	    "Please use a decent C++ compiler.")
+  endif()
 endif()
 
 ### And we need C11 standard, too
@@ -45,13 +49,16 @@ CHECK_C_COMPILER_FLAG("-std=gnu11" COMPILER_SUPPORTS_C11)
 if(COMPILER_SUPPORTS_C11)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
 else()
-  message(FATAL_ERROR 
-          "The compiler ${CMAKE_C_COMPILER} has no C11 support. "
-	  "Please use a decent C compiler "
-	  "(note that c++11 support of ${CMAKE_CXX_COMPILER} seems ok).")
+  if(MSVC)
+    message("MSVC is believed to have a sufficient C++11 support. Not sure")
+  else()
+    message(FATAL_ERROR 
+            "The compiler ${CMAKE_C_COMPILER} has no C11 support. "
+  	    "Please use a decent C compiler "
+	    "(note that c++11 support of ${CMAKE_CXX_COMPILER} seems ok).")
+  endif()
 endif()
 
-
 ### SMPI vs. Fortran
 if ((NOT DEFINED enable_smpi OR enable_smpi) AND NOT APPLE) # smpi is enabled by default
   # Call enable_language(Fortran) in order to load the build rules for
@@ -149,7 +156,7 @@ string(REGEX MATCH "[0-9].[0-9]*" LINKER_VERSION "${LINKER_VERSION}")
 
 string(REGEX MATCH "cl.exe" VBC "${CMAKE_C_COMPILER}")
 if(VBC)
-  message(FATAL_ERROR "VB is not yet supported by Simgrid.")
+  message("VB is not yet supported by Simgrid. Proceed with extrem caution")
 endif()
 
 ### Find programs and paths
@@ -218,7 +225,7 @@ if(WIN32)
       # set(__GNUC_MINOR__ ${COMPILER_C_MINOR_VERSION})
     endif()
   else()
-    message(FATAL_ERROR "Please use MinGW to compile SimGrid!")
+    message("You REALLY should use MinGW to compile SimGrid on Windows!")
   endif()
 
   if(ARCH_32_BITS)      ### Arch 32bits