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29 lines
1.0 KiB
C
29 lines
1.0 KiB
C
/* Header file for the Emacs build fingerprint.
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Copyright (C) 2016, 2018-2021 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef EMACS_FINGERPRINT_H
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#define EMACS_FINGERPRINT_H
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/* We generate fingerprint.c and fingerprint.o from all the sources in
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Emacs. This way, we have a unique value that we can use to pair
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data files (like a dump file) with a specific build of Emacs. */
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extern volatile unsigned char fingerprint[32];
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#endif
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