changelog.1

GNU libtool 是一个通用库支持脚本

	"loader_name", for identifying the loader, and renamed from
	lt_dltype_t.  Renamed type variables to loader IFF of type
	lt_dlloader_t.
	(lt_module_t): Renamed from lt_syshandle. Renamed handle variables
	to module IFF of type lt_module_t.
	(LTDL_TYPE_TOP): Deleted.  No longer required.
	(sys_dl): Initialised as a struct lt_user_dlloader.
	(sys_dl_init): Deleted.  No longer required.
	(sys_dl_exit): Ditto.
	(sys_shl): Initialised as a struct lt_user_dlloader.
	(sys_shl_init): Deleted.  No longer required.
	(sys_shl_exit): Ditto.
	(sys_wll): Initialised as a struct lt_user_dlloader.
	(sys_wll_init): Deleted.  No longer required.
	(sys_wll_exit): Ditto.
	(sys_bedl): Initialised as a struct lt_user_dlloader.
	(sys_bedl_init): Deleted.  No longer required.
	(sys_bedl_exit): Ditto.
	(sys_dld): Initialised as a struct lt_user_dlloader.
	(sys_dld_init): Deleted.  No longer required.
	(sys_dld_exit): Ditto.
	(sys_presym): Initialised as a struct lt_user_dlloader.
	(lt_mod_init_t): Moved to here from ltdl.h.
	(lt_dlinit): Add builtin loaders using the user loader API.
	(lt_dlexit): Unregister and free all loaders.
	(lt_add_dlloader): New function to add a new module loader after the
	loader specified in the argument.
	(lt_remove_dlloader): New function to remove a module loader.
	(lt_next_dlloader): New function for iterating over module loaders.
	(lt_dlloader_name): Accessor function for name of dlloader.
	(lt_find_dlloader): New function to get a reference to a registered
	module loader.
	(strcmp): static implementation incase the host has none.
	(lt_dlgettypes, lt_dlsettypes): Removed.

2000-02-02  Thomas Tanner  <[e-mail]>

	* libltdl/ltdl.c: replace NULL with 0, remove unused system
	  and app_private pointers from lt_dlhandle_t
	* libltdl/ltdl.c (presym_add_list): new preloaded symbols
	  don't need to be added to the end

	* libltdl/ltdl.c (lt_dlgetdata, lt_dlsetdata): removed
	* libltdl/ltdl.h: ditto
	* doc/libtool.texi (libltdl interface): ditto

2000-02-01  Thomas Tanner  <[e-mail]>

	* ltmain.in: support -dlopen/dlpreopen for libraries
	* NEWS: updated
	* TODO: updated
	* ltmain.in: rename dlopen to dlopen_support
	* ltconfig.in: ditto
	* doc/libtool.texi: ditto

	* ltmain.in: check whether libraries are moved out of $libdir,
	  replace .a and .lib with .$libext, .o and .obj with .$objext

2000-01-31  Gary V. Vaughan  <[e-mail]>

	* libltdl/ltdl.h (lt_dlrealloc): removed declaration.
	* libltdl/ltdl.c (lt_dlrealloc): removed definition.
	(lt_dladderror): Instead of calling lt_dlrealloc, use lt_dlmalloc,
	and lt_dlfree.

2000-01-30  Ossama Othman  <[e-mail]>

	* libtool.m4 (lt_cv_cc_needs_belf): Set the test language to C
	prior to executing the test that checks if the C compiler needs
	"-belf."
	Reported by Chris Butler <[e-mail]>

2000-01-28  Gary V. Vaughan  <[e-mail]>

	* libtool.m4 (AC_DEPLIBS_CHECK_METHOD):  Use changequote to
	protect `[' and `]' in deplibs_check_method.

	* libltdl/ltdl.h (lt_dlrealloc): Added declaration.
	* libltdl/ltdl.c (lt_dlrealloc): Added default definition.

	* libltdl/ltdl.c (lt_dlseterror): Catch errorcodes below 0 as
	invalid.
	* libltdl/ltdl.h (LTDL_ERROR): Added missing '_' in K&R
	definition.

	* libltdl/ltdl.h (ltdl_error_table): Added missing error code, and
	fixed typo in another code.
	* doc/libtool.texi (Libltdl interface): Added missing @end
	clause.

2000-01-27  Thomas Tanner  <[e-mail]>

	* ltconfig.in: Oops, replace the remaining $objdir's

	* ltmain.in: merge library linking code of programs and libraries,
	  some cleanups

2000-01-27  Gary V. Vaughan  <[e-mail]>

	* NEWS: Updated.
	* doc/libtool.texi (Libltdl interface): Document new entry
	points.
	* libltdl/ltdl.c (lt_dladderror): New function to add a user
	defined error message to the tables used by lt_dlerror().
	(lt_dlseterror):  New function to allow setting of last_error by
	user modules.
	(ltdl_error_strings): New preprocessor generated table of internal
	error diagnostic strings.
	(user_error_strings): New internal list of registered user error
	diagnostic strings.
	(throughout!): Use error messages from ltdl_error_strings.
	* libltdl/ltdl.h (ltdl_error_table): New macro to tabulate
	internal diagnostic error strings alongside enum keys.

	* NEWS: Updated.
	* doc/libtool.texi (Libltdl interface): Document new entry
	points.
	* libltdl/ltdl.c (lt_dltype_t):  Use new type definitions for
	existing fields.
	(lt_dladdtype): New function to add a new ltdl dynamic loader
	type to the end of the list of valid types..
	(lt_dlgettypes): New function to return the complete list of ltdl
	dynamic loader types.
	(lt_dlsettypes): New function to replace the list of ltdl dynamic
	loader types entirely -- e.g. to prepend a new type to the
	existing list.
	(sys_dl_open, sys_dl_close, sys_dl_sym): Work with lt_syshandle.
	(sys_shl_open, sys_shl_close, sys_shl_sym): ditto.
	(sys_dld_open, sys_dld_close, sys_dld_sym): ditto.
	(sys_wll_open, sys_wll_close, sys_wll_sym): ditto.
	(sys_bedl_open, sys_bedl_close, sys_bedl_sym): ditto.
	(presym_open, presym_close, presym_sym): ditto.
	(tryall_dlopen): Call lt_lib_open_t functions lt_syshandle
	compatibly.
	(lt_dlclose): Call lt_lib_close_t functions lt_syshandle
	compatibly.
	(lt_dlsym): Call lt_find_sym_t functions lt_syshandle compatibly.
	(lt_dltype_t): moved type declaration from here...
	* libltdl/ltdl.h (lt_dltype_t): ...to here.
	(lt_syshandle): new type for low level system handles passed by
	loader functions
	(lt_mod_init_t):  New type for functions implementing the
	initialisation for an ltdl dynamic loader.
	(lt_mod_exit_t): Type of exit functions for the same.
	(lt_lib_open_t): Type of loader functions for the same.
	(lt_lib_close_t): Type of unloader functions for the same.
	(lt_find_sym_t): Type of symbol resolver functions for the same.

	* libltdl/ltdl.c (sys_dl_init, sys_dl_exit, sys_dl_open,
	sys_dl_close, sys_dl_sym):  Preprocess these away on cygwin to
	avoid spurious error messages.

2000-01-24  Thomas Tanner  <[e-mail]>

	fix severe bugs reported by Elrond <[e-mail]>

	* ltconfig.in: replace $objdir with $output_objdir

	* ltmain.in: change to the builddir before relinking programs

	* ltmain.in, ltconfig.in, libtool.m4, ltdl.m4:
	  remove unnessary spaces from line endings

2000-01-19  Thomas Tanner  <[e-mail]>

	* ltmain.in: rewrite of the ILD code, merge linking code for
	  programs, libraries and objects, allow linking of shared libraries
	  against static libraries/objects on platforms that support it
	  but print a warning, fix some typos

	* partially revert my previous change and
	  update only copyright notices of files that were actually modified

	* NEWS: update

	* libltdl/Makefile.am: version number was wrong

	* libltdl/ltdl.c (tryall_dlopen): revert Gary's change
	  since it breaks dlpreopening
	* ltdl.m4: ditto

	* libltdl/ltdl.c (sys_search_path): search in the system default
	  library search path, too
	* ltdl.m4 (AC_LTDL_SYSSEARCHPATH): extract the path

	* libltdl/ltdl.c (find_module): remove bogus file_not_found_error

	* libltdl/ltdl.c (load_deplibs): implement loading of dependency
	  libraries
	* libltdl/ltdl.c (unload_deplibs): implement unloading of dependency
	  libraries
	* libltdl/ltdl.c (lt_dlexit): correctly close all modules and
	  their dependencies

	* libltdl/ltdl.c (lt_dlforeach): new function
	* libltdl/ltdl.h: ditto
	* doc/libtool.texi (using libltdl): document it

	* libtool.m4: reformatting, only add -I$topsrc_dir/libltdl to
	  INCLTDL

	* libtoolize.in: reformatting
	* ltconfig.in: reformatting
	* ltmain.in: reformatting

	* mdemo/configure.in: AC_SUBST INCLTDL
	* mdemo/Makefile.am: use INCLTDL

	* tests/Makefile.am: reexport OBJEXT and EXEEXT
	* tests/dryrun.test: use them for building main.obj and mdemo.exe

2000-01-17  Gary V. Vaughan  <[e-mail]>

	* libltdl/ltdl.c (tryall_dlopen): Abort with
	file_not_found_error before trying all lib_open() methods
	if the file to be dlopened doesn't exist.
	* ltdl.m4 (AC_HAVE_HEADERS): add unistd.h.

2000-01-16  Gary V. Vaughan  <[e-mail]>

	* libltdl/ltdl.c (find_file): memory error fixed.

2000-01-14  Gary V. Vaughan  <[e-mail]>

	* ltconfig.in (Usage): Now it matches the code!
	Reported by Jon Leichter <[e-mail]>

	* README:  Some notes about libtool release numbers.

	* mdemo/README: Explain the deliberate incompleteness of the
	Windows port.
	* mdemo/configure.in: Use AC_LIBTOOL_WIN32_DLL.
	* mdemo/Makefile.am (LDFLAGS):  Add -no-undefined.

	* libltdl/ltdl.h (LTDL_STMT_START, LTDL_STMT_END):  Macros for
	wrapping other macros to make a portable compound statement from
	multiple C statements in the expansion.
	(LTDL_SET_PRELOADED_SYMBOLS): Use the above macros to add an
	extern declaration for lt_preloaded_symbols, to remove
	dependency on undefined symbol from libltdl.dll on cygwin (and
	other -no-undefined architectures).
	* libltdl/ltdl.c (lt_preloaded_symbols): No longer defined here.

	* libtool,m4 (AC_LIBTOOL_SETUP):  The result of lt_cv_need_dllmain
	was set to the opposite of what it should be.
	* configure.in (AC_LIBTOOL_WIN32_DLL):  Call to this macro is
	required for libtool configury to test lt_cv_need_dllmain on
	Windows.

	* ltconfig.in (opt_cr, mingw*): replace unescaped ? with correctly
	escaped and portable \{0,1\} in sed expression.
	From Jon Leichter <[e-mail]>

2000-01-13  Gary V. Vaughan  <[e-mail]>

	* libtool.m4 (AC_LIBLTDL_CONVENIENCE): Add -I${top_srcdir}/libltdl
	to default INCLTDL for VPATH.
	(AC_LIBLTDL_INSTALLABLE): ditto.
	Reported by Tom Tromey <[e-mail]>

2000-01-12  Thomas Tanner  <[e-mail]>

	* update all copyright notices to 2000

	* doc/libtool.texi (using libltdl): document new lt_dlinfo struct,
	  replace NULL with @code{NULL}, document lt_dlsetdata(),
	  lt_dlgetdata() and lt_dlgetinfo()
	* libltdl/Makefile.am: increment interface version number
	* libltdl/configure.in: set version number to 1.1
	* libltdl/ltdl.c: make some variables public by moving them
	  to the info struct, add support for application specific data
	  within module handles, new lt_dlsetdata(), lt_dlgetdata() and
	  lt_dlgetinfo() functions,
	  fix memory leaks, minor cleanups
	* libltdl/ltdl.h: ditto
	* mdemo/main.c: demonstrate use of lt_dlgetinfo,
	  improved handling of errors

	* ltconfig.in: set hardcode_into_libs = yes for GNU/Hurd, Linux
	  and Solaris, only hardcode *all* run-paths if hardcode_into_libs
	  is set to 'all', otherwise hardcode only user-specified rpaths
	  into libraries
	* ltmain.in: minor cleanups, we don't need to add user-specified
	  rpaths to compile_rpath, finalize_rpath is sufficient

	* ltconfig.in: transform linux* -> *linux-gnu* _after_ host_os has
	  been set! (reported by Bruno Haible <[e-mail]>)

	* configure.in: AC_SUBST reload_flag, deplibs_check_method
	  and file_magic_cmd

	* README: use 'libtool --version' instead of 'ltconfig --version'
	  (suggested by Francios Pinard <[e-mail]>

2000-01-10  Gary V. Vaughan  <[e-mail]>

	* libltdl/ltdl.h (LTDL_DIRSEP_CHAR): Leave undefined when
	not compiling for a Windows target.
	* libltdl/ltdl.c (canonicalize_path): New function to
	ensure internal paths use '/' directory separators.
	(find_file): use canonicalize_path.  Memory management
	changed to cope.
	(lt_dlopen): ditto.
	(free_vars): Removed `dir' and `name', which are now handled
	internally.

	* libltdl/ltdl.h (LTDL_DIRSEP_CHAR): Define to '/' or '\\',
	as suitable for the target host.
	(LTDL_PATHSEP_CHAR): Similarly with ':' or ';'.
	* libltdl/ltdl.c: Use LTDL_DIRSEP_CHAR and LTDL_PATHSEP_CHAR
	instead of hardcoding throughout.
	Reported by Jon Leichter <[e-mail]>

1999-12-18  Alexandre Oliva  <[e-mail]>

	* ltmain.in: Oops, `largarg' -> `lastarg'.

	* ltmain.in (-Wc, -Xcompiler): Implemented in compile mode.

	* ltmain.in (-Xcompiler, -Xlinker): Add to compile_command and
	finalize_command.
	(-Wc, -Wl): Likewise.

	* tests/quote.test: Adjust quoting style of -Wl.

	* ltmain.in: Oops, `echo' -> `$echo'.

	* ltmain.in (-Wl, -Wc): Make commas argument separators, just like
	in gcc.

	* ltmain.in (libtool_args): Get all arguments properly enclosed in
	quotes and backslash-protected when needed.

1999-12-16  Alexandre Oliva  <[e-mail]>

	* ltdl.m4: Renamed from...
	* libltdl/ltdl.m4: that no longer exists.
	* configure.in (ACINCLUDE_M4_LIST): Removed libltdl/acinclude.m4.
	* Makefile.am (aclocal_macros): Added ltdl.m4.
	(libltdl/acinclude.m4): Concatenate libtool.m4 and ltdl.m4.
	* bootstrap: Likewise.
	* libltdl/Makefile.am (ACLOCAL): Remove the definition.  Relying
	upon -I may lead to duplicates.
	* doc/libtool.texi: Suggest appending ltdl.m4 to acinclude.m4.
	* libtoolize.in: Check AC_LIB_LTDL version number in aclocal.m4.

	* libltdl/configure.in (with_auxdir): Do not use it as the
	argument of AC_CONFIG_AUX_DIR, automake requires a literal here.
	Use AC_CONFIG_AUX_DIRS/DIR_DEFAULT instead.

	* libltdl/Makefile.am (ACLOCAL): Define with `-I .', as in
	bootstrap.

1999-12-15  Thomas Tanner  <[e-mail]>

	* libltdl/configure.in: path to auxiliary files can be specified
	  using --with-auxdir (idea by Howard Chu <[e-mail]>)

	* ltmain.in: don't remove multiple occurences from dependency_libs
	  of a library, otherwise many dependencies would get lost

	* bootstrap: use "aclocal -I ." instead of adding the contents
	  of ltdl.m4 to acinclude.m4

1999-12-13  Gary V. Vaughan  <[e-mail]>

	* NEWS: updated.
	* libltdl/Makefile.am: Use -no-undefined for dll compliance.
	* libltdl/configure.in: Use AC_LIBTO