Several changes to GNU toolchain based XTchain:

* Fix binutils patch
* Add make and wine tools
* Do not hardcode MinGW library and NT version
* Add licensing information
* General synchronization with LLVM-based XTchain

tools/xtchain.h

@@ -0,0 +1,162 @@
+/**
+ * PROJECT:     XTchain
+ * LICENSE:     See COPYING.md in the top level directory
+ * FILE:        tools/xtchain.h
+ * DESCRIPTION: Common header for XTchain tools
+ * DEVELOPERS:  Martin Storsjo <martin@martin.st>
+ *              Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#ifdef UNICODE
+#define _UNICODE
+#endif
+
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define _T(x) x
+
+#ifdef _UNICODE
+#define TS "%ls"
+#else
+#define TS "%s"
+#endif
+
+static
+inline
+int
+_tcsicmp(const char *a,
+         const char *b)
+{
+    while(*a && tolower(*a) == tolower(*b))
+    {
+        a++;
+        b++;
+    }
+
+    return *a - *b;
+}
+
+static
+inline
+char *
+concat(const char *prefix,
+       const char *suffix)
+{
+    int prefixlen = strlen(prefix);
+    int suffixlen = strlen(suffix);
+
+    char *buf = malloc((prefixlen + suffixlen + 1) * sizeof(*buf));
+
+    strcpy(buf, prefix);
+    strcpy(buf + prefixlen, suffix);
+
+    return buf;
+}
+
+static
+inline
+char *
+_tcsrchrs(const char *str,
+          char char1,
+          char char2)
+{
+    char *ptr1 = strrchr(str, char1);
+    char *ptr2 = strrchr(str, char2);
+
+    if(!ptr1)
+    {
+        return ptr2;
+    }
+
+    if(!ptr2)
+    {
+        return ptr1;
+    }
+
+    if(ptr1 < ptr2)
+    {
+        return ptr2;
+    }
+
+    return ptr1;
+}
+
+static
+inline
+void
+split_argv(const char *argv0,
+           char **dir_ptr,
+           char **basename_ptr,
+           char **target_ptr,
+           char **exe_ptr)
+{
+    const char *sep = _tcsrchrs(argv0, '/', '\\');
+    char *dir = strdup(_T(""));
+    const char *basename = argv0;
+
+    if(sep)
+    {
+        dir = strdup(argv0);
+        dir[sep + 1 - argv0] = '\0';
+        basename = sep + 1;
+    }
+
+    basename = strdup(basename);
+    char *period = strchr(basename, '.');
+
+    if(period)
+    {
+        *period = '\0';
+    }
+
+    char *target = strdup(basename);
+    char *dash = strrchr(target, '-');
+    const char *exe = basename;
+
+    if(dash)
+    {
+        *dash = '\0';
+        exe = dash + 1;
+    }
+    else
+    {
+        target = NULL;
+    }
+
+    if(dir_ptr)
+    {
+        *dir_ptr = dir;
+    }
+
+    if(basename_ptr)
+    {
+        *basename_ptr = basename;
+    }
+
+    if(target_ptr)
+    {
+        *target_ptr = target;
+    }
+
+    if(exe_ptr)
+    {
+        *exe_ptr = exe;
+    }
+}
+
+static
+inline
+int
+run_final(const char *executable,
+          const char *const *argv)
+{
+    execvp(executable, (char **) argv);
+    perror(executable);
+
+    return 1;
+}