(svn r21287) -Document: update information about supported compilers

1 files changed, 10 insertions, 3 deletions

diff --git a/readme.txt b/readme.txt
index f0171355f..3b52e2a4c 100644
--- a/readme.txt
+++ b/readme.txt
@@ -447,19 +447,26 @@ you remove the graphics file using "make maintainer-clean".
 7.2) Supported compilers:
 ---- -------------------
 The following compilers are known to compile OpenTTD:
-  - Microsoft Visual C++ (MSVC) 2005 and 2008.
+  - Microsoft Visual C++ (MSVC) 2005, 2008 and 2010.
     Version 2005 gives bogus warnings about scoping issues.
-  - GNU Compiler Collection (GCC) 3.3 - 4.5.
+  - GNU Compiler Collection (GCC) 3.3 - 4.6.
     Versions 4.1 and earlier give bogus warnings about uninitialised variables.
     Versions 4.4 and later give bogus warnings about freeing heap objects.
-  - Intel C++ Compiler (ICC) 11.0 and 11.1.
+  - Intel C++ Compiler (ICC) 12.0.
 
 The following compilers are known not to compile OpenTTD:
   - Microsoft Visual C++ (MSVC) 2003 and earlier.
   - GNU Compiler Collection (GCC) 3.2 and earlier.
+    These old versions fail due to OpenTTD's template usage.
+  - Intel C++ Compiler (ICC) 11.1 and earlier.
+    Version 10.0 and earlier fail a configure check and fail with recent system headers.
+    Version 10.1 fails to compile station_gui.cpp.
+    Version 11.1 fails with internal error when compiling network.cpp.
+  - Clang/LLVM 2.8 and earlier.
   - (Open) Watcom.
 
 If any of these compilers can compile OpenTTD again, please let us know.
+Patches to support more compilers are welcome.
 
 8.0) Translating:
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