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85 lines
3.0 KiB
Plaintext
85 lines
3.0 KiB
Plaintext
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@itemize
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@item
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Note that Sun C++ compiler versions before 5.6 may need some special
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setup to link properly against shared versions of the C++ standard libraries.
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See @url{http://lists.gnu.org/archive/html/libtool/2005-08/msg00088.html} for
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more information.
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@item
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On AIX there are two different styles of shared linking, one in which symbols
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are bound at link-time and one in which symbols are bound at runtime only,
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similar to ELF@. In case of doubt use @code{LDFLAGS=-Wl,-brtl} for the latter style.
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@item
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On AIX, native tools are to be preferred over binutils; especially for C++ code,
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if using the AIX Toolbox GCC 4.0 and binutils, configure with
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@code{AR=/usr/bin/ar LD=/usr/bin/ld NM='/usr/bin/nm -B'}.
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@item
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On AIX, the @command{/bin/sh} is very slow due to its inefficient handling
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of here-documents. A modern shell is preferable:
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@example
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CONFIG_SHELL=/bin/bash; export $CONFIG_SHELL
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$CONFIG_SHELL ./configure [...]
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@end example
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@c @item
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@c FreeBSD @command{make} does not conform to @sc{posix} in its handling
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@c of file modification times, which causes it to loop while building libtool.
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@c Consider using a different @command{such} as GNU make instead.
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@item
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Note in some cases you might need to put ABI-changing compiler flags
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into the compiler name. For example, use of
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@example
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configure CC='gcc -m32'
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@end example
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rather than
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@example
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configure CC=gcc CFLAGS=-m32 LDFLAGS=-m32
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@end example
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might help with this Libtool release.
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@item
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The default shell on UNICOS 9, a ksh 88e variant, is too buggy to
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correctly execute the libtool script. Users are advised to install a
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modern shell such as GNU bash.
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@item
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Some HP-UX @command{sed} programs are horribly broken, and cannot handle
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libtool's requirements, so users may report unusual problems. There
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is no workaround except to install a working @command{sed} (such as GNU sed)
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on these systems.
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@item
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The vendor-distributed NCR MP-RAS @command{cc} programs emits copyright
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on standard error that confuse tests on size of @file{conftest.err}. The
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workaround is to specify @env{CC} when run configure with
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@code{CC='cc -Hnocopyr'}.
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@item
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Any earlier DG/UX system with ELF executables, such as R3.10 or
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R4.10, is also likely to work, but hasn't been explicitly tested.
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@item
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On Reliant Unix libtool has only been tested with the Siemens C-compiler
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and an old version of @command{gcc} provided by Marco Walther.
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@item
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@file{libtool.m4}, @file{ltdl.m4} and the @file{configure.ac} files are marked
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to use autoconf-mode, which is distributed with GNU Emacs 21, Autoconf itself,
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and all recent releases of XEmacs.
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@item
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When building on some linux systems for multilib targets
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@command{libtool} sometimes guesses the wrong paths that the linker
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and dynamic linker search by default. If this occurs, you may override
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libtool's guesses at @command{configure} time by setting the
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@command{autoconf} cache variables
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@code{lt_cv_sys_lib_search_path_spec} and
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@code{lt_cv_sys_lib_dlsearch_path_spec} respectively to the correct search
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paths.
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@end itemize
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