Work around a bug in MinGW 4.8 / mingwrt-4.0 where a function named main() in misc/src/libcrt/gdtoa/qnan.c takes precedence over the proper one in src/libcrt/crt/main.c.

git-svn-id: https://svn.eduke32.com/eduke32@4073 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/build/src/mingw_main.c

@@ -0,0 +1,97 @@
+/**
+ * @file main.c
+ * Copyright 2012, 2013 MinGW.org project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Extra startup code for applications which do not have a main function
+ * of their own (but do have a WinMain). Generally these are GUI
+ * applications, but they don't *have* to be.
+ */
+
+// Taken from mingwrt-4.0.0 src/libcrt/crt/main.c.
+
+#include "compat.h"
+
+#define ISSPACE(a)	(a == ' ' || a == '\t')
+
+extern int PASCAL WinMain (HINSTANCE hInst, HINSTANCE hPrevInst,
+                           LPSTR szCmdLine, int nShow);
+
+int
+main (int argc ATTRIBUTE((unused)), char *argv[] ATTRIBUTE((unused)), char **environment ATTRIBUTE((unused)))
+{
+  char *szCmd;
+  STARTUPINFO startinfo;
+  int nRet;
+
+  /* Get the command line passed to the process. */
+  szCmd = GetCommandLineA ();
+  GetStartupInfoA (&startinfo);
+
+  /* Strip off the name of the application and any leading
+   * whitespace. */
+  if (szCmd)
+    {
+      while (ISSPACE (*szCmd))
+	{
+	  szCmd++;
+	}
+
+      /* On my system I always get the app name enclosed
+       * in quotes... */
+      if (*szCmd == '\"')
+	{
+	  do
+	    {
+	      szCmd++;
+	    }
+	  while (*szCmd != '\"' && *szCmd != '\0');
+
+	  if (*szCmd == '\"')
+	    {
+	      szCmd++;
+	    }
+	}
+      else
+	{
+	  /* If no quotes then assume first token is program
+	   * name. */
+	  while (!ISSPACE (*szCmd) && *szCmd != '\0')
+	    {
+	      szCmd++;
+	    }
+	}
+
+      while (ISSPACE (*szCmd))
+	{
+	  szCmd++;
+	}
+    }
+
+  nRet = WinMain (GetModuleHandle (NULL), NULL, szCmd,
+		  (startinfo.dwFlags & STARTF_USESHOWWINDOW) ?
+		  startinfo.wShowWindow : SW_SHOWDEFAULT);
+
+  return nRet;
+}
+

polymer/eduke32/build/src/winbits.c

@@ -273,3 +273,9 @@ int32_t addsearchpath_ProgramFiles(const char *p)
 
     return returncode;
 }
+
+
+// Workaround for a bug in mingwrt-4.0.0 and up where a function named main() in misc/src/libcrt/gdtoa/qnan.c takes precedence over the proper one in src/libcrt/crt/main.c.
+#if defined __MINGW32__ && __GNUC__ == 4 && __GNUC_MINOR__  >= 8
+# include "mingw_main.c"
+#endif