fix build on windows

Author: thelfer

cmake/modules/clang.cmake

@@ -1,10 +1,16 @@
+if(WIN32)
+  tfel_enable_cxx_compiler_flag(VISIBILITY_FLAGS "EHsc")
+endif(WIN32)
+
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Weverything")
+tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-c++98-compat-pedantic")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-padded")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-documentation")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-documentation-unknown-command")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-exit-time-destructors")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-global-constructors")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-missing-braces")
+tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wno-unsafe-buffer-usage")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wrange-loop-analysis")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Wmove")
 tfel_enable_cxx_compiler_flag(COMPILER_WARNINGS  "Winfinite-recursion")
@@ -57,7 +63,9 @@ endif(enable-glibcxx-debug)
 
 if(HAVE_FORTRAN)
   # we associate clang with the gnu fortran compiler
-  if("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "IntelLLVM")
+  if("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "LLVMFlang")
+    set(LLVM_FORTRAN_COMPILER ON)
+  elseif("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "IntelLLVM")
     set(INTEL_FORTRAN_COMPILER ON)
   else()
     include(cmake/modules/gnu-fortran-compiler.cmake)