+/* Quote characters that will confuse the shell when we run the preprocessor. */
+
+static const char *
+quot (const char *string)
+{
+ static char *buf = 0;
+ static int buflen = 0;
+ int slen = strlen (string);
+ const char *src;
+ char *dest;
+
+ if ((buflen < slen * 2 + 2) || !buf)
+ {
+ buflen = slen * 2 + 2;
+ if (buf)
+ free (buf);
+ buf = (char *) xmalloc (buflen);
+ }
+
+ for (src=string, dest=buf; *src; src++, dest++)
+ {
+ if (*src == '(' || *src == ')' || *src == ' ')
+ *dest++ = '\\';
+ *dest = *src;
+ }
+ *dest = 0;
+ return buf;
+}
+
+/* Long options. */
+
+/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
+
+#define OPTION_PREPROCESSOR 150
+#define OPTION_USE_TEMP_FILE (OPTION_PREPROCESSOR + 1)
+#define OPTION_NO_USE_TEMP_FILE (OPTION_USE_TEMP_FILE + 1)
+#define OPTION_YYDEBUG (OPTION_NO_USE_TEMP_FILE + 1)
+
+static const struct option long_options[] =
+{
+ {"input", required_argument, 0, 'i'},
+ {"output", required_argument, 0, 'o'},
+ {"input-format", required_argument, 0, 'J'},
+ {"output-format", required_argument, 0, 'O'},
+ {"target", required_argument, 0, 'F'},
+ {"preprocessor", required_argument, 0, OPTION_PREPROCESSOR},
+ {"include-dir", required_argument, 0, 'I'},
+ {"define", required_argument, 0, 'D'},
+ {"undefine", required_argument, 0, 'U'},
+ {"verbose", no_argument, 0, 'v'},
+ {"language", required_argument, 0, 'l'},
+ {"use-temp-file", no_argument, 0, OPTION_USE_TEMP_FILE},
+ {"no-use-temp-file", no_argument, 0, OPTION_NO_USE_TEMP_FILE},
+ {"yydebug", no_argument, 0, OPTION_YYDEBUG},
+ {"version", no_argument, 0, 'V'},
+ {"help", no_argument, 0, 'h'},
+ {0, no_argument, 0, 0}
+};
+
+/* This keeps gcc happy when using -Wmissing-prototypes -Wstrict-prototypes. */
+int main (int, char **);
+