1 AUTOCONF CONFIGURE SCRIPT EXCEPTION 2 Version 3.0, 18 August 2009 3 4 Copyright (C) 2009 Free Software Foundation, Inc. <http://fsf.org/> 5 Everyone is permitted to copy and distribute verbatim copies 6 of this license document, but changing it is not allowed. 7 8This Exception is an additional permission under section 7 of the GNU 9General Public License, version 3 ("GPLv3"). It applies to a given 10file that bears a notice placed by the copyright holder of the file 11stating that the file is governed by GPLv3 along with this Exception. 12 13The purpose of this Exception is to allow distribution of Autoconf's 14typical output under terms of the recipient's choice (including 15proprietary). 16 170. Definitions 18 19"Covered Code" is the source or object code of a version of Autoconf 20that is a covered work under this License. 21 22"Normally Copied Code" for a version of Autoconf means all parts of 23its Covered Code which that version can copy from its code (i.e., not 24from its input file) into its minimally verbose, non-debugging and 25non-tracing output. 26 27"Ineligible Code" is Covered Code that is not Normally Copied Code. 28 291. Grant of Additional Permission. 30 31You have permission to propagate output of Autoconf, even if such 32propagation would otherwise violate the terms of GPLv3. However, if 33by modifying Autoconf you cause any Ineligible Code of the version you 34received to become Normally Copied Code of your modified version, then 35you void this Exception for the resulting covered work. If you convey 36that resulting covered work, you must remove this Exception in accordance 37with the second paragraph of Section 7 of GPLv3. 38 392. No Weakening of Autoconf Copyleft. 40 41The availability of this Exception does not imply any general presumption 42that third-party software is unaffected by the copyleft requirements of 43the license of Autoconf. 44