misc: various mingw cross-compilation fixes.

Add mingw-std-threads project to external/ for full C++11 thread support, fix
an incorrect Win32 fix I did in PEGTL, work around mingw’s <io.h> declaring a
conflicting eof symbol, and fix a capitalisation error in log.cpp.

configure.ac

@@ -287,6 +287,12 @@ LOL_CHECK_OPENGL
 LOL_CHECK_SDL
 
 
+dnl  Use mingw threads if necessary
+if true; then
+  LOL_CFLAGS="$LOL_CFLAGS -I\$(top_srcdir)/external/mingw-std-threads-0.0.ac5c9e3b/include/"
+fi
+
+
 dnl  Use pegtl? Yes, always
 if true; then
   LOL_CFLAGS="$LOL_CFLAGS -I\$(top_srcdir)/external/pegtl-0.32/include"

src/base/log.cpp

@@ -1,12 +1,13 @@
 //
 //  Lol Engine
 //
-//  Copyright: © 2010—2015 Sam Hocevar <sam@hocevar.net>
+//  Copyright © 2010—2015 Sam Hocevar <sam@hocevar.net>
 //
-//  This library is free software; you can redistribute it and/or
-//  modify it under the terms of the Do What The Fuck You Want To
-//  Public License, Version 2, as published by Sam Hocevar. See
-//  http://www.wtfpl.net/ for more details.
+//  This library is free software. It comes without any warranty, to
+//  the extent permitted by applicable law. You can redistribute it
+//  and/or modify it under the terms of the Do What the Fuck You Want
+//  to Public License, Version 2, as published by the WTFPL Task Force.
+//  See http://www.wtfpl.net/ for more details.
 //
 
 #include <lol/engine-internal.h>
@@ -95,7 +96,7 @@ void msg::helper(MessageType type, char const *fmt, va_list ap)
     String buf = String(prefix[(int)type]) + ": " + String::vformat(fmt, ap);
 
     array<WCHAR> widechar;
-    widechar.Resize(buf.count() + 1);
+    widechar.resize(buf.count() + 1);
     MultiByteToWideChar(CP_UTF8, 0, buf.C(), buf.count() + 1, widechar.data(), widechar.count());
     OutputDebugStringW(widechar.data());
 #   else

src/gpu/shader.cpp

@@ -174,7 +174,7 @@ private:
 
     // code_section < code_line{&(title / eof)}
     struct code_section
-      : ifapply<until<at<sor<title_ignore, eof>>, code_line>, do_code> {};
+      : ifapply<until<at<sor<title_ignore, pegtl::eof>>, code_line>, do_code> {};
 
     // shader < title code_section
     struct shader

src/lol/base/all.h

@@ -1,22 +1,24 @@
 //
-// Lol Engine
+//  Lol Engine
 //
-// Copyright: (c) 2010-2013 Sam Hocevar <sam@hocevar.net>
-//   This program is free software; you can redistribute it and/or
-//   modify it under the terms of the Do What The Fuck You Want To
-//   Public License, Version 2, as published by Sam Hocevar. See
-//   http://www.wtfpl.net/ for more details.
+//  Copyright © 2010—2013 Sam Hocevar <sam@hocevar.net>
+//
+//  This library is free software. It comes without any warranty, to
+//  the extent permitted by applicable law. You can redistribute it
+//  and/or modify it under the terms of the Do What the Fuck You Want
+//  to Public License, Version 2, as published by the WTFPL Task Force.
+//  See http://www.wtfpl.net/ for more details.
 //
 
 #pragma once
 
-#include <lol/base/avl_tree.h>
 #include <lol/base/features.h>
 #include <lol/base/types.h>
 #include <lol/base/log.h>
 #include <lol/base/assert.h>
 #include <lol/base/tuple.h>
 #include <lol/base/array.h>
+#include <lol/base/avl_tree.h>
 #include <lol/base/string.h>
 #include <lol/base/hash.h>
 #include <lol/base/map.h>

src/sys/threadbase.h

@@ -39,6 +39,15 @@
 #   undef far /* Fuck Microsoft again */
 #endif
 
+/* XXX: workaround for missing std::thread in mingw */
+#if _GLIBCXX_MUTEX && !_GLIBCXX_HAS_GTHREADS && _WIN32
+#   include "mingw.thread.h"
+#   include "mingw.mutex.h"
+#   include "mingw.condition_variable.h"
+#   undef near /* Fuck Microsoft */
+#   undef far /* Fuck Microsoft again */
+#endif
+
 namespace lol
 {
 

tools/lolremez/expression.h

@@ -1,5 +1,5 @@
 //
-//  LolRemez - Remez algorithm implementation
+//  LolRemez — Remez algorithm implementation
 //
 //  Copyright © 2005—2015 Sam Hocevar <sam@hocevar.net>
 //
@@ -291,7 +291,7 @@ private:
                         star<sor<r_add, r_sub>>> {};
 
     // r_stmt <- r_expr <end>
-    struct r_stmt : seq<_, r_expr, _, eof> {};
+    struct r_stmt : seq<_, r_expr, _, pegtl::eof> {};
 };
 
 } /* namespace grammar */