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1999-01-09 Ben Elliston <bje@cygnus.com>
* autoconf.texi (AC_CHECK_LIB): Explain more. Contributed by Bob
Friesenhahn <bfriesen@simple.dallas.tx.us>.
(UPDATED): Bump to 1999.
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@ -1,5 +1,9 @@
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1999-01-09 Ben Elliston <bje@cygnus.com>
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* autoconf.texi (AC_CHECK_LIB): Explain more. Contributed by Bob
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Friesenhahn <bfriesen@simple.dallas.tx.us>.
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(UPDATED): Bump to 1999.
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* config.guess: Distinguish between OpenStep and NeXTStep
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platforms. Contributed by Wilfredo Sanchez <wsanchez@apple.com>.
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@ -8,7 +8,7 @@
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@set EDITION 2.13
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@set VERSION 2.13
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@set UPDATED December 1998
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@set UPDATED January 1999
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@iftex
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@finalout
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@ -27,7 +27,8 @@ This file documents the GNU Autoconf package for creating scripts to
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configure source code packages using templates and an @code{m4} macro
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package.
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Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998 Free Software Foundation, Inc.
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Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999 Free Software
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Foundation, Inc.
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -61,7 +62,8 @@ by the Foundation.
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@page
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@vskip 0pt plus 1filll
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Copyright @copyright{} 1992, 93, 94, 95, 96, 98 Free Software Foundation, Inc.
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Copyright @copyright{} 1992, 93, 94, 95, 96, 98, 99 Free Software
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Foundation, Inc.
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -1841,17 +1843,25 @@ name of the library; e.g., to check for @samp{-lmp}, use @samp{mp} as
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the @var{library} argument.
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@var{action-if-found} is a list of shell commands to run if the link
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with the library succeeds; @var{action-if-not-found} is a list of
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shell commands to run if the link fails. If @var{action-if-found} is
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not specified, the default action will add @samp{-l@var{library}} to
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@code{LIBS} and define @samp{HAVE_LIB@var{library}} (in all capitals).
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with the library succeeds; @var{action-if-not-found} is a list of shell
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commands to run if the link fails. If @var{action-if-found} is not
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specified, the default action will prepend @samp{-l@var{library}} to
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@code{LIBS} and define @samp{HAVE_LIB@var{library}} (in all
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capitals). This macro is intended to support building of @code{LIBS} in
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a right-to-left (least-dependent to most-dependent) fashion such that
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library dependencies are satisfied as a natural side-effect of
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consecutive tests. Some linkers are very sensitive to library ordering
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so the order that @code{LIBS} is generated in is important to reliable
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detection of libraries.
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If linking with @var{library} results in unresolved symbols, which would
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be resolved by linking with additional libraries, give those libraries
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as the @var{other-libraries} argument, separated by spaces: @samp{-lXt
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-lX11}. Otherwise this macro will fail to detect that @var{library} is
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present, because linking the test program will always fail with
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unresolved symbols.
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unresolved symbols. The @var{other-libraries} argument should be limited
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to cases where it is desirable to test for the library in the presence of
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another (which may not already be in @code{LIBS}).
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@end defmac
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@defmac AC_HAVE_LIBRARY (@var{library}, @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
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@ -8,7 +8,7 @@
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@set EDITION 2.13
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@set VERSION 2.13
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@set UPDATED December 1998
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@set UPDATED January 1999
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@iftex
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@finalout
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@ -27,7 +27,8 @@ This file documents the GNU Autoconf package for creating scripts to
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configure source code packages using templates and an @code{m4} macro
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package.
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Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998 Free Software Foundation, Inc.
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Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999 Free Software
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Foundation, Inc.
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -61,7 +62,8 @@ by the Foundation.
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@page
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@vskip 0pt plus 1filll
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Copyright @copyright{} 1992, 93, 94, 95, 96, 98 Free Software Foundation, Inc.
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Copyright @copyright{} 1992, 93, 94, 95, 96, 98, 99 Free Software
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Foundation, Inc.
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -1841,17 +1843,25 @@ name of the library; e.g., to check for @samp{-lmp}, use @samp{mp} as
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the @var{library} argument.
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@var{action-if-found} is a list of shell commands to run if the link
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with the library succeeds; @var{action-if-not-found} is a list of
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shell commands to run if the link fails. If @var{action-if-found} is
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not specified, the default action will add @samp{-l@var{library}} to
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@code{LIBS} and define @samp{HAVE_LIB@var{library}} (in all capitals).
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with the library succeeds; @var{action-if-not-found} is a list of shell
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commands to run if the link fails. If @var{action-if-found} is not
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specified, the default action will prepend @samp{-l@var{library}} to
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@code{LIBS} and define @samp{HAVE_LIB@var{library}} (in all
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capitals). This macro is intended to support building of @code{LIBS} in
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a right-to-left (least-dependent to most-dependent) fashion such that
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library dependencies are satisfied as a natural side-effect of
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consecutive tests. Some linkers are very sensitive to library ordering
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so the order that @code{LIBS} is generated in is important to reliable
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detection of libraries.
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If linking with @var{library} results in unresolved symbols, which would
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be resolved by linking with additional libraries, give those libraries
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as the @var{other-libraries} argument, separated by spaces: @samp{-lXt
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-lX11}. Otherwise this macro will fail to detect that @var{library} is
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present, because linking the test program will always fail with
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unresolved symbols.
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unresolved symbols. The @var{other-libraries} argument should be limited
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to cases where it is desirable to test for the library in the presence of
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another (which may not already be in @code{LIBS}).
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@end defmac
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@defmac AC_HAVE_LIBRARY (@var{library}, @r{[}, @var{action-if-found} @r{[}, @var{action-if-not-found} @r{[}, @var{other-libraries}@r{]]]})
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