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218 lines
10 KiB
218 lines
10 KiB
# http://svn.saurik.com/repos/cycript/trunk/framework.m4
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#
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# GNU LESSER GENERAL PUBLIC LICENSE
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# Version 3, 29 June 2007
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#
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# Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
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# Everyone is permitted to copy and distribute verbatim copies
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# of this license document, but changing it is not allowed.
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#
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#
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# This version of the GNU Lesser General Public License incorporates
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# the terms and conditions of version 3 of the GNU General Public
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# License, supplemented by the additional permissions listed below.
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#
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# 0. Additional Definitions.
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#
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# As used herein, "this License" refers to version 3 of the GNU Lesser
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# General Public License, and the "GNU GPL" refers to version 3 of the GNU
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# General Public License.
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#
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# "The Library" refers to a covered work governed by this License,
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# other than an Application or a Combined Work as defined below.
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#
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# An "Application" is any work that makes use of an interface provided
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# by the Library, but which is not otherwise based on the Library.
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# Defining a subclass of a class defined by the Library is deemed a mode
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# of using an interface provided by the Library.
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#
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# A "Combined Work" is a work produced by combining or linking an
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# Application with the Library. The particular version of the Library
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# with which the Combined Work was made is also called the "Linked
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# Version".
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#
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# The "Minimal Corresponding Source" for a Combined Work means the
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# Corresponding Source for the Combined Work, excluding any source code
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# for portions of the Combined Work that, considered in isolation, are
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# based on the Application, and not on the Linked Version.
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#
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# The "Corresponding Application Code" for a Combined Work means the
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# object code and/or source code for the Application, including any data
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# and utility programs needed for reproducing the Combined Work from the
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# Application, but excluding the System Libraries of the Combined Work.
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#
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# 1. Exception to Section 3 of the GNU GPL.
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#
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# You may convey a covered work under sections 3 and 4 of this License
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# without being bound by section 3 of the GNU GPL.
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#
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# 2. Conveying Modified Versions.
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#
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# If you modify a copy of the Library, and, in your modifications, a
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# facility refers to a function or data to be supplied by an Application
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# that uses the facility (other than as an argument passed when the
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# facility is invoked), then you may convey a copy of the modified
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# version:
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#
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# a) under this License, provided that you make a good faith effort to
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# ensure that, in the event an Application does not supply the
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# function or data, the facility still operates, and performs
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# whatever part of its purpose remains meaningful, or
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#
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# b) under the GNU GPL, with none of the additional permissions of
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# this License applicable to that copy.
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#
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# 3. Object Code Incorporating Material from Library Header Files.
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#
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# The object code form of an Application may incorporate material from
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# a header file that is part of the Library. You may convey such object
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# code under terms of your choice, provided that, if the incorporated
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# material is not limited to numerical parameters, data structure
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# layouts and accessors, or small macros, inline functions and templates
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# (ten or fewer lines in length), you do both of the following:
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#
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# a) Give prominent notice with each copy of the object code that the
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# Library is used in it and that the Library and its use are
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# covered by this License.
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#
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# b) Accompany the object code with a copy of the GNU GPL and this license
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# document.
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#
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# 4. Combined Works.
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#
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# You may convey a Combined Work under terms of your choice that,
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# taken together, effectively do not restrict modification of the
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# portions of the Library contained in the Combined Work and reverse
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# engineering for debugging such modifications, if you also do each of
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# the following:
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#
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# a) Give prominent notice with each copy of the Combined Work that
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# the Library is used in it and that the Library and its use are
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# covered by this License.
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#
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# b) Accompany the Combined Work with a copy of the GNU GPL and this license
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# document.
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#
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# c) For a Combined Work that displays copyright notices during
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# execution, include the copyright notice for the Library among
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# these notices, as well as a reference directing the user to the
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# copies of the GNU GPL and this license document.
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#
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# d) Do one of the following:
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#
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# 0) Convey the Minimal Corresponding Source under the terms of this
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# License, and the Corresponding Application Code in a form
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# suitable for, and under terms that permit, the user to
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# recombine or relink the Application with a modified version of
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# the Linked Version to produce a modified Combined Work, in the
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# manner specified by section 6 of the GNU GPL for conveying
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# Corresponding Source.
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#
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# 1) Use a suitable shared library mechanism for linking with the
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# Library. A suitable mechanism is one that (a) uses at run time
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# a copy of the Library already present on the user's computer
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# system, and (b) will operate properly with a modified version
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# of the Library that is interface-compatible with the Linked
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# Version.
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#
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# e) Provide Installation Information, but only if you would otherwise
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# be required to provide such information under section 6 of the
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# GNU GPL, and only to the extent that such information is
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# necessary to install and execute a modified version of the
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# Combined Work produced by recombining or relinking the
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# Application with a modified version of the Linked Version. (If
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# you use option 4d0, the Installation Information must accompany
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# the Minimal Corresponding Source and Corresponding Application
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# Code. If you use option 4d1, you must provide the Installation
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# Information in the manner specified by section 6 of the GNU GPL
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# for conveying Corresponding Source.)
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#
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# 5. Combined Libraries.
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#
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# You may place library facilities that are a work based on the
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# Library side by side in a single library together with other library
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# facilities that are not Applications and are not covered by this
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# License, and convey such a combined library under terms of your
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# choice, if you do both of the following:
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#
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# a) Accompany the combined library with a copy of the same work based
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# on the Library, uncombined with any other library facilities,
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# conveyed under the terms of this License.
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#
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# b) Give prominent notice with the combined library that part of it
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# is a work based on the Library, and explaining where to find the
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# accompanying uncombined form of the same work.
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#
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# 6. Revised Versions of the GNU Lesser General Public License.
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#
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# The Free Software Foundation may publish revised and/or new versions
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# of the GNU Lesser General Public License from time to time. Such new
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# versions will be similar in spirit to the present version, but may
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# differ in detail to address new problems or concerns.
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#
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# Each version is given a distinguishing version number. If the
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# Library as you received it specifies that a certain numbered version
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# of the GNU Lesser General Public License "or any later version"
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# applies to it, you have the option of following the terms and
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# conditions either of that published version or of any later version
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# published by the Free Software Foundation. If the Library as you
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# received it does not specify a version number of the GNU Lesser
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# General Public License, you may choose any version of the GNU Lesser
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# General Public License ever published by the Free Software Foundation.
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#
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# If the Library as you received it specifies that a proxy can decide
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# whether future versions of the GNU Lesser General Public License shall
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# apply, that proxy's public statement of acceptance of any version is
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# permanent authorization for you to choose that version for the
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# Library.
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# AC_CHECK_FRAMEWORK(FRAMEWORK, FUNCTION,
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# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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# [OTHER-LIBRARIES])
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# ------------------------------------------------------
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#
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# Use a cache variable name containing both the framework and function name,
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# because the test really is for framework $1 defining function $2, not
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# just for framework $1. Separate tests with the same $1 and different $2s
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# may have different results.
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#
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# Note that using directly AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1_$2])
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# is asking for troubles, since AC_CHECK_FRAMEWORK($framework, fun) would give
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# ac_cv_framework_$framework_fun, which is definitely not what was meant. Hence
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# the AS_LITERAL_IF indirection.
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#
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# FIXME: This macro is extremely suspicious. It DEFINEs unconditionally,
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# whatever the FUNCTION, in addition to not being a *S macro. Note
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# that the cache does depend upon the function we are looking for.
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#
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# It is on purpose we used `ac_check_framework_save_LIBS' and not just
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# `ac_save_LIBS': there are many macros which don't want to see `LIBS'
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# changed but still want to use AC_CHECK_FRAMEWORK, so they save `LIBS'.
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# And ``ac_save_LIBS' is too tempting a name, so let's leave them some
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# freedom.
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AC_DEFUN([AC_CHECK_FRAMEWORK],
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[m4_ifval([$3], , [AH_CHECK_FRAMEWORK([$1])])dnl
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AS_LITERAL_IF([$1],
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[AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1_$2])],
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[AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1''_$2])])dnl
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AC_CACHE_CHECK([for $2 in $1 framework], ac_Framework,
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[ac_check_framework_save_LIBS=$LIBS
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LIBS="-framework $1 $5 $LIBS"
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AC_LINK_IFELSE([AC_LANG_CALL([], [$2])],
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[AS_VAR_SET(ac_Framework, yes)],
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[AS_VAR_SET(ac_Framework, no)])
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LIBS=$ac_check_framework_save_LIBS])
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AS_IF([test AS_VAR_GET(ac_Framework) = yes],
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[m4_default([$3], [AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_FRAMEWORK_$1))
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LIBS="-framework $1 $LIBS"
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])],
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[$4])dnl
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AS_VAR_POPDEF([ac_Framework])dnl
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])# AC_CHECK_FRAMEWORK
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# AH_CHECK_FRAMEWORK(FRAMEWORK)
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# ---------------------
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m4_define([AH_CHECK_FRAMEWORK],
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[AH_TEMPLATE(AS_TR_CPP(HAVE_FRAMEWORK_$1),
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[Define to 1 if you have the `]$1[' framework (-framework ]$1[).])])
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