Add comedilib_version.h header, produced by ./configure,
included by comedilib.h, containing COMEDILIB_VERSION_MAJOR, COMEDILIB_VERSION_MINOR, COMEDILIB_VERSION_MICRO, and COMEDILIB_CHECK_VERSION(major,minor,micro). This can be used to perform C pre-processor checks for API changes in comedilib.
This commit is contained in:
Ian Abbott
parent
c530564317
commit
91a3504623
4 changed files with 107 additions and 14 deletions
66
configure.ac
66
configure.ac
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@ -1,13 +1,3 @@
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AC_INIT([comedilib], [0.10.0])
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AC_CANONICAL_TARGET([])
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AC_CONFIG_MACRO_DIR([m4])
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AC_CONFIG_AUX_DIR([.])
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#COMEDILIB_DEBUG="-Wall -Werror"
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COMEDILIB_DEBUG="-Wall"
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AM_INIT_AUTOMAKE([-Wall -Werror])
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# libtool version: current:revision:age
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#
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# If the library source code has changed at all since the last update, then
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@ -22,10 +12,59 @@ AM_INIT_AUTOMAKE([-Wall -Werror])
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# If any interfaces have been removed since the last public release, then set
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# age to 0.
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#
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# AS_LIBTOOL arguments are (prefix, current, revision, age)
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AS_LIBTOOL(COMEDILIB, 10, 0, 10)
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# In summary:
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#
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# If any interface has been changed or removed, `c:r:a' becomes `c+1:0:0';
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# else if any interface has been added, `c:r:a' becomes `c+1:0:a+1';
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# else, `c:r:a' becomes `c:r+1:a'.
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#
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m4_define([comedilib_lt_current], [10])
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m4_define([comedilib_lt_revision], [0])
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m4_define([comedilib_lt_age], [10])
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#libscxi c:r:a
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SCXI_SO_VERSION=9:0:9
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m4_define([scxi_lt_current], [9])
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m4_define([scxi_lt_revision], [0])
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m4_define([scxi_lt_age], [9])
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# comedilib version: major.minor.micro
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#
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# Currently:
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# * 'major' may be incremented at the whim of the maintainers.
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# * 'minor' is libtool 'current' minus the value of 'current' when major
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# changed (comedilib_major_base_current).
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# * 'micro' is libtool 'revision'.
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# Manually set 'comedilib_major_base_current' to new 'comedilib_lt_current'
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# whenever 'comedilib_version_major' is incremented below.
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m4_define([comedilib_major_base_current], [0])
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m4_define([comedilib_version_major], [0])
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m4_define([comedilib_version_minor],
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[m4_eval(comedilib_lt_current - comedilib_major_base_current)])
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m4_define([comedilib_version_micro], [comedilib_lt_revision])
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m4_define([comedilib_pkg_version],
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[comedilib_version_major.comedilib_version_minor.comedilib_version_micro])
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AC_INIT([comedilib], [comedilib_pkg_version])
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AC_CANONICAL_TARGET([])
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COMEDILIB_VERSION_MAJOR=comedilib_version_major
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COMEDILIB_VERSION_MINOR=comedilib_version_minor
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COMEDILIB_VERSION_MICRO=comedilib_version_micro
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AC_SUBST(COMEDILIB_VERSION_MAJOR)
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AC_SUBST(COMEDILIB_VERSION_MINOR)
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AC_SUBST(COMEDILIB_VERSION_MICRO)
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AC_CONFIG_MACRO_DIR([m4])
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AC_CONFIG_AUX_DIR([.])
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#COMEDILIB_DEBUG="-Wall -Werror"
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COMEDILIB_DEBUG="-Wall"
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AM_INIT_AUTOMAKE([-Wall -Werror])
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# AS_LIBTOOL arguments are (prefix, current, revision, age)
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AS_LIBTOOL(COMEDILIB, comedilib_lt_current, comedilib_lt_revision, comedilib_lt_age)
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SCXI_SO_VERSION=scxi_lt_current:scxi_lt_revision:scxi_lt_age
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AC_SUBST(SCXI_SO_VERSION)
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AM_CONFIG_HEADER(config.h)
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@ -208,6 +247,7 @@ etc/udev/Makefile
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doc/Makefile
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demo/Makefile
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include/Makefile
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include/comedilib_version.h
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lib/Makefile
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man/Makefile
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scxi/Makefile
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@ -1,3 +1,3 @@
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include_HEADERS = comedi.h comedilib.h comedi_errno.h comedilib_scxi.h
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include_HEADERS = comedi.h comedilib.h comedi_errno.h comedilib_scxi.h comedilib_version.h
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@ -26,6 +26,7 @@
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#define _COMEDILIB_H
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#include <comedi.h>
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#include <comedilib_version.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <stdio.h>
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52
include/comedilib_version.h.in
Normal file
52
include/comedilib_version.h.in
Normal file
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@ -0,0 +1,52 @@
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/*
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comedilib_version.h
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header file for comedilib's version number
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COMEDI - Linux Control and Measurement Device Interface
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Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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ublished by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program 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 Lesser General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Cambridge, MA 02111, USA.
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*/
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#ifndef _COMEDILIB_VERSION_H
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#define _COMEDILIB_VERSION_H
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/* Note that this header file first appeared in comedilib 0.10.0, so
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* the header file and macros won't exist in earlier versions unless
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* retro-fitted by a third party packager. */
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#define COMEDILIB_VERSION_MAJOR @COMEDILIB_VERSION_MAJOR@
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#define COMEDILIB_VERSION_MINOR @COMEDILIB_VERSION_MINOR@
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#define COMEDILIB_VERSION_MICRO @COMEDILIB_VERSION_MICRO@
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/**
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* COMEDILIB_CHECK_VERSION:
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* @major: major version
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* @minor: minor version
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* @micro: micro version
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*
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* Evaluates to %TRUE when the comedilib version (as indicated by
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* COMEDILIB_VERSION_MAJOR, COMEDILIB_VERSION_MINOR,
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* COMEDILIB_VERSION_MICRO) is at least as great as the given version.
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*/
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#define COMEDILIB_CHECK_VERSION(major, minor, micro) \
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(COMEDILIB_VERSION_MAJOR > (major) || \
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(COMEDILIB_VERSION_MAJOR == (major) && \
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(COMEDLIB_VERSION_MINOR > (minor) || \
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(COMEDILIB_VERSION_MINOR == (minor) && \
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COMEDILIB_VERSION_MICRO >= (micro)))))
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#endif /* _COMEDILIB_VERSION_H */
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