Merge 'fix-externals' into HEAD

Author: Git for Windows Build Agent

compat/mingw.c

@@ -994,14 +994,21 @@ static void free_path_split(char **path)
 static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_only)
 {
 	char path[MAX_PATH];
-	snprintf(path, sizeof(path), "%s/%s.exe", dir, cmd);
+	wchar_t wpath[MAX_PATH];
+	snprintf(path, sizeof(path), "%s\\%s.exe", dir, cmd);
 
-	if (!isexe && access(path, F_OK) == 0)
+	if (xutftowcs_path(wpath, path) < 0)
+		return NULL;
+
+	if (!isexe && _waccess(wpath, F_OK) == 0)
 		return xstrdup(path);
-	path[strlen(path)-4] = '\0';
-	if ((!exe_only || isexe) && access(path, F_OK) == 0)
-		if (!(GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY))
+	wpath[wcslen(wpath)-4] = '\0';
+	if ((!exe_only || isexe) && _waccess(wpath, F_OK) == 0) {
+		if (!(GetFileAttributesW(wpath) & FILE_ATTRIBUTE_DIRECTORY)) {
+			path[strlen(path)-4] = '\0';
 			return xstrdup(path);
+		}
+	}
 	return NULL;
 }