blob: 371ef9a94f23866ab01e25806efe56e3439e81be [file] [log] [blame]
/* Generate gcov version string from version.c. See gcov-io.h for
description of how the version string is generated.
Copyright (C) 2002-2019 Free Software Foundation, Inc.
Contributed by Nathan Sidwell <>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<>. */
#include "bconfig.h"
#include "system.h"
/* Command line arguments are the base GCC version and the development
phase (the latter may be an empty string). */
main (int argc, char **argv)
unsigned int version = 0;
unsigned char v[4];
unsigned int ix;
unsigned long major;
unsigned long minor = 0;
char phase = 0;
char *ptr;
if (argc != 3)
fprintf (stderr, "usage: %s 'version' 'phase'\n", argv[0]);
return 1;
ptr = argv[1];
major = strtoul (ptr, &ptr, 10);
if (*ptr == '.')
minor = strtoul (ptr + 1, 0, 10);
/* For releases the development phase is an empty string, for
prerelease versions on a release branch it is "prerelease".
Consider both equal as patch-level releases do not change
the GCOV version either.
On the trunk the development phase is "experimental". */
phase = argv[2][0];
if (phase == '\0'
|| strcmp (argv[2], "prerelease") == 0)
phase = '*';
v[0] = (major / 10) + 'A';
v[1] = (major % 10) + '0';
v[2] = minor + '0';
v[3] = phase;
for (ix = 0; ix != 4; ix++)
version = (version << 8) | v[ix];
printf ("/* Generated automatically by the program `%s'\n", argv[0]);
printf (" from `%s (%lu %lu) and %s (%c)'. */\n",
argv[1], major, minor, argv[2], phase);
printf ("\n");
printf ("#define GCOV_VERSION ((gcov_unsigned_t)0x%08x) /* %.4s */\n",
version, v);
return 0;