1 This is ../doc/libtool.info, produced by makeinfo version 4.13 from
4 INFO-DIR-SECTION GNU programming tools
6 * Libtool: (libtool). Generic shared library support script.
9 INFO-DIR-SECTION Individual utilities
11 * libtool-invocation: (libtool)Invoking libtool.
12 Running the `libtool' script.
13 * libtoolize: (libtool)Invoking libtoolize. Adding libtool support.
16 This file documents GNU Libtool 2.2.10
18 Copyright (C) 1996-2009 Free Software Foundation, Inc.
20 Permission is granted to copy, distribute and/or modify this document
21 under the terms of the GNU Free Documentation License, Version 1.3 or
22 any later version published by the Free Software Foundation; with no
23 Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
24 Texts. A copy of the license is included in the section entitled "GNU
25 Free Documentation License".
28 File: libtool.info, Node: Index, Prev: GNU Free Documentation License, Up: Top
36 * -no-suppress, libtool compile mode option: Creating object files.
38 * -weak option: Linking with dlopened modules.
40 * .la files: Linking libraries. (line 24)
41 * .libs subdirectory: Linking libraries. (line 77)
42 * .lo files: Creating object files.
44 * AC_CONFIG_AUX_DIR: Invoking libtoolize. (line 157)
45 * AC_CONFIG_MACRO_DIR: Invoking libtoolize. (line 136)
46 * AC_DISABLE_FAST_INSTALL: LT_INIT. (line 174)
47 * AC_DISABLE_SHARED: LT_INIT. (line 178)
48 * AC_DISABLE_STATIC: LT_INIT. (line 195)
49 * AC_ENABLE_SHARED: LT_INIT. (line 186)
50 * AC_ENABLE_STATIC: LT_INIT. (line 203)
51 * AC_LIBLTDL_CONVENIENCE: Distributing libltdl.
53 * AC_LIBLTDL_INSTALLABLE: Distributing libltdl.
55 * AC_LIBTOOL_DLOPEN: LT_INIT. (line 166)
56 * AC_LIBTOOL_WIN32_DLL: LT_INIT. (line 170)
57 * AC_PROG_LIBTOOL: LT_INIT. (line 22)
58 * AC_WITH_LTDL: Distributing libltdl.
60 * aclocal: LT_INIT. (line 307)
61 * allow_undefined_flag: libtool script contents.
63 * always_export_symbols: libtool script contents.
65 * AM_DISABLE_SHARED: LT_INIT. (line 179)
66 * AM_DISABLE_STATIC: LT_INIT. (line 196)
67 * AM_ENABLE_SHARED: LT_INIT. (line 187)
68 * AM_ENABLE_STATIC: LT_INIT. (line 204)
69 * AM_PROG_LIBTOOL: LT_INIT. (line 23)
70 * application-level dynamic linking <1>: Using libltdl. (line 6)
71 * application-level dynamic linking: Dlopened modules. (line 6)
72 * ar: Linking libraries. (line 6)
73 * AR: libtool script contents.
75 * archive_cmds: libtool script contents.
77 * archive_expsym_cmds: libtool script contents.
79 * AS: LT_INIT. (line 267)
80 * autoconf traces: Trace interface. (line 6)
81 * avoiding shared libraries: Static-only libraries.
83 * bug reports: Reporting bugs. (line 6)
84 * buggy system linkers: Linking executables. (line 11)
85 * bugs, subtle ones caused by buggy linkers: Linking executables.
87 * build: libtool script contents.
89 * build_alias: libtool script contents.
91 * build_libtool_libs: libtool script contents.
93 * build_old_libs: libtool script contents.
95 * build_os: libtool script contents.
97 * C header files, portable: C header files. (line 6)
98 * C++, pitfalls: C++ libraries. (line 6)
99 * C++, using: Other languages. (line 6)
100 * C, not using: Other languages. (line 6)
101 * CC <1>: libtool script contents.
103 * CC: LT_INIT. (line 217)
104 * cdemo-conf.test: Test descriptions. (line 15)
105 * cdemo-exec.test: Test descriptions. (line 15)
106 * cdemo-make.test: Test descriptions. (line 15)
107 * cdemo-shared.test: Test descriptions. (line 15)
108 * cdemo-static.test: Test descriptions. (line 15)
109 * cdemo-undef.test: Test descriptions. (line 15)
110 * CFLAGS: LT_INIT. (line 221)
111 * clean mode: Clean mode. (line 6)
112 * command options, libtool: Invoking libtool. (line 6)
113 * command options, libtoolize: Invoking libtoolize. (line 6)
114 * compile mode: Compile mode. (line 6)
115 * compiler_c_o: libtool script contents.
117 * compiler_needs_object: libtool script contents.
119 * compiling object files: Creating object files.
121 * complexity of library systems: Postmortem. (line 11)
122 * config.guess: Distributing. (line 10)
123 * config.sub: Distributing. (line 13)
124 * configuring libtool: Configuring. (line 6)
125 * convenience libraries: Static libraries. (line 6)
126 * CPPFLAGS: LT_INIT. (line 226)
127 * debugging libraries: Static-only libraries.
129 * definition of libraries: Libtool paradigm. (line 11)
130 * demo-conf.test: Test descriptions. (line 44)
131 * demo-deplibs.test: Test descriptions. (line 62)
132 * demo-exec.test: Test descriptions. (line 44)
133 * demo-hardcode.test: Test descriptions. (line 68)
134 * demo-inst.test: Test descriptions. (line 44)
135 * demo-make.test: Test descriptions. (line 44)
136 * demo-nofast.test: Test descriptions. (line 44)
137 * demo-noinst-link.test: Test descriptions. (line 82)
138 * demo-nopic.test: Test descriptions. (line 44)
139 * demo-pic.test: Test descriptions. (line 44)
140 * demo-relink.test: Test descriptions. (line 77)
141 * demo-shared.test: Test descriptions. (line 44)
142 * demo-static.test: Test descriptions. (line 44)
143 * demo-unst.test: Test descriptions. (line 44)
144 * depdemo-conf.test: Test descriptions. (line 94)
145 * depdemo-exec.test: Test descriptions. (line 94)
146 * depdemo-inst.test: Test descriptions. (line 94)
147 * depdemo-make.test: Test descriptions. (line 94)
148 * depdemo-nofast.test: Test descriptions. (line 94)
149 * depdemo-relink.test: Test descriptions. (line 77)
150 * depdemo-shared.test: Test descriptions. (line 94)
151 * depdemo-static.test: Test descriptions. (line 94)
152 * depdemo-unst.test: Test descriptions. (line 94)
153 * dependencies between libraries: Inter-library dependencies.
155 * dependency versioning: Versioning. (line 6)
156 * deplibs_check_method: Porting inter-library dependencies.
158 * design issues: Issues. (line 6)
159 * design of library interfaces: Library tips. (line 6)
160 * design philosophy: Motivation. (line 6)
161 * developing libraries: Static-only libraries.
163 * dlclose <1>: Dlopened modules. (line 6)
164 * dlclose: Using libltdl. (line 6)
165 * dlerror: Using libltdl. (line 6)
166 * DLLTOOL: LT_INIT. (line 259)
167 * dlopen <1>: Using libltdl. (line 6)
168 * dlopen: Dlopened modules. (line 6)
169 * dlopen_self: libtool script contents.
171 * dlopen_self_static: libtool script contents.
173 * dlopen_support: libtool script contents.
175 * dlopening modules <1>: Dlopened modules. (line 6)
176 * dlopening modules: Using libltdl. (line 6)
177 * dlopening, pitfalls: Dlopen issues. (line 6)
178 * dlsym <1>: Using libltdl. (line 6)
179 * dlsym: Dlopened modules. (line 6)
180 * double-compilation, avoiding: Static-only libraries.
182 * dynamic dependencies: Versioning. (line 6)
183 * dynamic linking, applications <1>: Dlopened modules. (line 6)
184 * dynamic linking, applications: Using libltdl. (line 6)
185 * dynamic modules, names: Finding the dlname. (line 6)
186 * ECHO: libtool script contents.
188 * eliding shared libraries: Static-only libraries.
190 * examples of using libtool: Using libtool. (line 6)
191 * exclude_expsyms: libtool script contents.
193 * execute mode: Execute mode. (line 6)
194 * export_dynamic_flag_spec: libtool script contents.
196 * export_symbols_cmds: libtool script contents.
198 * extract_expsyms_cmds: libtool script contents.
200 * f77demo-conf.test: Test descriptions. (line 211)
201 * f77demo-exec.test: Test descriptions. (line 211)
202 * f77demo-make.test: Test descriptions. (line 211)
203 * f77demo-shared.test: Test descriptions. (line 211)
204 * f77demo-static.test: Test descriptions. (line 211)
205 * failed tests: When tests fail. (line 6)
206 * fast_install: libtool script contents.
208 * fcdemo-conf.test: Test descriptions. (line 225)
209 * fcdemo-exec.test: Test descriptions. (line 225)
210 * fcdemo-make.test: Test descriptions. (line 225)
211 * fcdemo-shared.test: Test descriptions. (line 225)
212 * fcdemo-static.test: Test descriptions. (line 225)
213 * FDL, GNU Free Documentation License: GNU Free Documentation License.
215 * file_magic: Porting inter-library dependencies.
217 * file_magic_cmd: Porting inter-library dependencies.
219 * file_magic_test_file: Porting inter-library dependencies.
221 * finish mode: Finish mode. (line 6)
222 * finish_cmds: libtool script contents.
224 * finish_eval: libtool script contents.
226 * fix_srcfile_path: libtool script contents.
228 * formal versioning: Libtool versioning. (line 6)
229 * global functions: Library tips. (line 45)
230 * global_symbol_pipe: libtool script contents.
232 * global_symbol_to_cdecl: libtool script contents.
234 * hardcode_action: libtool script contents.
236 * hardcode_direct: libtool script contents.
238 * hardcode_direct_absolute: libtool script contents.
240 * hardcode_into_libs: libtool script contents.
242 * hardcode_libdir_flag_spec: libtool script contents.
244 * hardcode_libdir_separator: libtool script contents.
246 * hardcode_minus_L: libtool script contents.
248 * hardcode_shlibpath_var: libtool script contents.
250 * header files: Library tips. (line 39)
251 * host: libtool script contents.
253 * host_alias: libtool script contents.
255 * host_os: libtool script contents.
257 * implementation of libtool: libtool script contents.
259 * include files, portable: C header files. (line 6)
260 * include_expsyms: libtool script contents.
262 * inferring tags: Tags. (line 6)
263 * inherit_rpath: libtool script contents.
265 * install: Installing libraries.
267 * install mode: Install mode. (line 6)
268 * install-sh: Distributing. (line 16)
269 * install_override_mode: libtool script contents.
271 * installation, finishing: Installing libraries.
273 * int: User defined module data.
275 * inter-library dependencies: Inter-library dependencies.
277 * inter-library dependency: Porting inter-library dependencies.
279 * language names: Tags. (line 6)
280 * languages, non-C: Other languages. (line 6)
281 * LD <1>: libtool script contents.
283 * LD: LT_INIT. (line 231)
284 * LDFLAGS: LT_INIT. (line 236)
285 * libext: libtool script contents.
287 * libltdl: Using libltdl. (line 6)
288 * libname_spec: libtool script contents.
290 * libraries, definition of: Libtool paradigm. (line 11)
291 * libraries, finishing installation: Installing libraries.
293 * libraries, stripping: Installing libraries.
295 * library interfaces: Interfaces. (line 6)
296 * library interfaces, design: Library tips. (line 6)
297 * library object file: Creating object files.
299 * library_names_spec: libtool script contents.
301 * LIBS: LT_INIT. (line 242)
302 * libtool: Invoking libtool. (line 6)
303 * libtool command options: Invoking libtool. (line 6)
304 * libtool examples: Using libtool. (line 6)
305 * libtool implementation: libtool script contents.
307 * libtool libraries: Linking libraries. (line 24)
308 * libtool library versions: Libtool versioning. (line 6)
309 * libtool specifications: Motivation. (line 20)
310 * libtoolize: Invoking libtoolize. (line 6)
311 * libtoolize command options: Invoking libtoolize. (line 6)
312 * LIBTOOLIZE_OPTIONS: Invoking libtoolize. (line 120)
313 * link mode: Link mode. (line 6)
314 * link-2.test: Test descriptions. (line 156)
315 * link.test: Test descriptions. (line 152)
316 * link_all_deplibs: libtool script contents.
318 * link_static_flag: libtool script contents.
320 * linking against installed libraries: Linking executables. (line 6)
321 * linking against uninstalled libraries: Linking executables. (line 25)
322 * linking with installed libtool libraries: Linking executables.
324 * linking, dlopen: Linking with dlopened modules.
326 * linking, dlpreopen: Linking with dlopened modules.
328 * linking, partial: Link mode. (line 204)
329 * LN_S: LT_INIT. (line 254)
330 * lock_old_archive_extraction: libtool script contents.
332 * LT_CMD_MAX_LEN: Autoconf macros. (line 15)
333 * LT_CONFIG_LTDL_DIR: Distributing libltdl.
335 * LT_DIRSEP_CHAR: Libltdl interface. (line 40)
336 * lt_dladderror: Module loaders for libltdl.
338 * lt_dladdsearchdir: Libltdl interface. (line 244)
339 * lt_dladvise: Libltdl interface. (line 50)
340 * lt_dladvise_destroy: Libltdl interface. (line 147)
341 * lt_dladvise_ext: Libltdl interface. (line 154)
342 * lt_dladvise_global: Libltdl interface. (line 179)
343 * lt_dladvise_init: Libltdl interface. (line 137)
344 * lt_dladvise_local: Libltdl interface. (line 196)
345 * lt_dladvise_preload: Libltdl interface. (line 222)
346 * lt_dladvise_resident: Libltdl interface. (line 213)
347 * lt_dlcaller_get_data: User defined module data.
349 * lt_dlcaller_set_data: User defined module data.
351 * lt_dlclose: Libltdl interface. (line 228)
352 * lt_dlerror: Libltdl interface. (line 238)
353 * lt_dlexit: Libltdl interface. (line 66)
354 * lt_dlforeachfile: Libltdl interface. (line 264)
355 * lt_dlgetinfo: User defined module data.
357 * lt_dlgetsearchpath: Libltdl interface. (line 260)
358 * lt_dlhandle: Libltdl interface. (line 46)
359 * lt_dlhandle_fetch: User defined module data.
361 * lt_dlhandle_iterate: User defined module data.
363 * lt_dlhandle_map: User defined module data.
365 * lt_dlinfo: User defined module data.
367 * lt_dlinit: Libltdl interface. (line 61)
368 * lt_dlinsertsearchdir: Libltdl interface. (line 249)
369 * lt_dlinterface_free: User defined module data.
371 * lt_dlinterface_id: User defined module data.
373 * lt_dlinterface_register: User defined module data.
375 * lt_dlisresident: Libltdl interface. (line 292)
376 * lt_dlloader: Module loaders for libltdl.
378 * lt_dlloader_add: Module loaders for libltdl.
380 * lt_dlloader_data: Module loaders for libltdl.
382 * lt_dlloader_exit: Module loaders for libltdl.
384 * lt_dlloader_find: Module loaders for libltdl.
386 * lt_dlloader_name: Module loaders for libltdl.
388 * lt_dlloader_next: Module loaders for libltdl.
390 * lt_dlloader_remove: Module loaders for libltdl.
392 * lt_dlmakeresident: Libltdl interface. (line 282)
393 * lt_dlopen: Libltdl interface. (line 72)
394 * lt_dlopenadvise: Libltdl interface. (line 127)
395 * lt_dlopenext: Libltdl interface. (line 110)
396 * lt_dlpreload: Dlpreopening. (line 66)
397 * lt_dlpreload_callback_func: Dlpreopening. (line 94)
398 * lt_dlpreload_default: Dlpreopening. (line 72)
399 * lt_dlpreload_open: Dlpreopening. (line 100)
400 * lt_dlseterror: Module loaders for libltdl.
402 * lt_dlsetsearchpath: Libltdl interface. (line 255)
403 * lt_dlsym: Libltdl interface. (line 233)
404 * lt_dlsymlist <1>: Libltdl interface. (line 55)
405 * lt_dlsymlist: Dlpreopening. (line 42)
406 * lt_find_sym: Module loaders for libltdl.
408 * LT_FUNC_DLSYM_USCORE: Autoconf macros. (line 24)
409 * LT_INIT: LT_INIT. (line 21)
410 * LT_LANG: LT_INIT. (line 144)
411 * LT_LIB_DLLOAD: Autoconf macros. (line 35)
412 * LT_LIB_M: Autoconf macros. (line 31)
413 * lt_module: Module loaders for libltdl.
415 * lt_module_close: Module loaders for libltdl.
417 * lt_module_open: Module loaders for libltdl.
419 * LT_OUTPUT: LT_INIT. (line 294)
420 * LT_PATH_LD: Autoconf macros. (line 51)
421 * LT_PATH_NM: Autoconf macros. (line 57)
422 * LT_PATHSEP_CHAR: Libltdl interface. (line 36)
423 * lt_preloaded_symbols: Dlpreopening. (line 47)
424 * LT_PREREQ: LT_INIT. (line 13)
425 * LT_SUPPORTED_TAG: Trace interface. (line 13)
426 * LT_SYS_DLOPEN_DEPLIBS: Autoconf macros. (line 70)
427 * LT_SYS_DLOPEN_SELF: Autoconf macros. (line 64)
428 * LT_SYS_DLSEARCH_PATH: Autoconf macros. (line 75)
429 * LT_SYS_MODULE_EXT: Autoconf macros. (line 79)
430 * LT_SYS_MODULE_PATH: Autoconf macros. (line 85)
431 * LT_SYS_SYMBOL_USCORE: Autoconf macros. (line 90)
432 * lt_user_data: Module loaders for libltdl.
434 * lt_user_dlloader: Module loaders for libltdl.
436 * LT_WITH_LTDL: Distributing libltdl.
438 * LTCC: libtool script contents.
440 * LTCFLAGS: libtool script contents.
442 * LTDL_CONVENIENCE: Distributing libltdl.
444 * LTDL_INIT: Distributing libltdl.
446 * LTDL_INSTALLABLE: Distributing libltdl.
448 * LTDL_SET_PRELOADED_SYMBOLS: Dlpreopening. (line 82)
449 * LTLIBOBJS: Autoconf and LTLIBOBJS.
451 * LTLIBRARIES: Using Automake. (line 6)
452 * ltmain.sh: Distributing. (line 19)
453 * macro_revision: libtool script contents.
455 * macro_version: libtool script contents.
457 * Makefile: Makefile rules. (line 6)
458 * Makefile.am: Makefile rules. (line 6)
459 * Makefile.in: Makefile rules. (line 6)
460 * max_cmd_len: libtool script contents.
462 * mdemo-conf.test: Test descriptions. (line 119)
463 * mdemo-dryrun.test: Test descriptions. (line 138)
464 * mdemo-exec.test: Test descriptions. (line 119)
465 * mdemo-inst.test: Test descriptions. (line 119)
466 * mdemo-make.test: Test descriptions. (line 119)
467 * mdemo-shared.test: Test descriptions. (line 119)
468 * mdemo-static.test: Test descriptions. (line 119)
469 * mdemo-unst.test: Test descriptions. (line 119)
470 * mdemo2-conf.test: Test descriptions. (line 143)
471 * mdemo2-exec.test: Test descriptions. (line 143)
472 * mdemo2-make.test: Test descriptions. (line 143)
473 * mode, clean: Clean mode. (line 6)
474 * mode, compile: Compile mode. (line 6)
475 * mode, execute: Execute mode. (line 6)
476 * mode, finish: Finish mode. (line 6)
477 * mode, install: Install mode. (line 6)
478 * mode, link: Link mode. (line 6)
479 * mode, uninstall: Uninstall mode. (line 6)
480 * modules, dynamic <1>: Dlopened modules. (line 6)
481 * modules, dynamic: Using libltdl. (line 6)
482 * motivation for writing libtool: Motivation. (line 6)
483 * names of dynamic modules: Finding the dlname. (line 6)
484 * need_lib_prefix: libtool script contents.
486 * need_locks: libtool script contents.
488 * need_version: libtool script contents.
490 * NM <1>: LT_INIT. (line 248)
491 * NM: libtool script contents.
493 * no_builtin_flag: libtool script contents.
495 * no_undefined_flag: libtool script contents.
497 * nomode.test: Test descriptions. (line 160)
498 * none: Porting inter-library dependencies.
500 * objdir: libtool script contents.
502 * OBJDUMP: LT_INIT. (line 263)
503 * object files, compiling: Creating object files.
505 * object files, library: Creating object files.
507 * objectlist.test: Test descriptions. (line 163)
508 * objext: libtool script contents.
510 * old_archive_cmds: libtool script contents.
512 * old_archive_from_expsyms_cmds: libtool script contents.
514 * old_archive_from_new_cmds: libtool script contents.
516 * old_postinstall_cmds: libtool script contents.
518 * old_postuninstall_cmds: libtool script contents.
520 * old_striplib: libtool script contents.
522 * opaque data types: Library tips. (line 28)
523 * options, libtool command: Invoking libtool. (line 6)
524 * options, libtoolize command: Invoking libtoolize. (line 6)
525 * other implementations, flaws in: Postmortem. (line 6)
526 * partial linking: Link mode. (line 204)
527 * pass_all: Porting inter-library dependencies.
529 * pdemo-conf.test: Test descriptions. (line 169)
530 * pdemo-exec.test: Test descriptions. (line 169)
531 * pdemo-inst.test: Test descriptions. (line 169)
532 * pdemo-make.test: Test descriptions. (line 169)
533 * PIC (position-independent code): Creating object files.
535 * pic_flag: libtool script contents.
537 * pitfalls using C++: C++ libraries. (line 6)
538 * pitfalls with dlopen: Dlopen issues. (line 6)
539 * portable C headers: C header files. (line 6)
540 * position-independent code: Creating object files.
542 * postinstall_cmds: libtool script contents.
544 * postinstallation: Installing libraries.
546 * postuninstall_cmds: libtool script contents.
548 * problem reports: Reporting bugs. (line 6)
549 * problems, blaming somebody else for: Troubleshooting. (line 6)
550 * problems, solving: Troubleshooting. (line 6)
551 * program wrapper executables: Wrapper executables. (line 6)
552 * program wrapper scripts: Linking executables. (line 71)
553 * quote.test: Test descriptions. (line 178)
554 * RANLIB <1>: libtool script contents.
556 * RANLIB: LT_INIT. (line 251)
557 * ranlib: Linking libraries. (line 12)
558 * reload_cmds: libtool script contents.
560 * reload_flag: libtool script contents.
562 * renaming interface functions: Library tips. (line 21)
563 * reporting bugs: Reporting bugs. (line 6)
564 * reusability of library systems: Postmortem. (line 6)
565 * runpath_var: libtool script contents.
567 * saving time: Static-only libraries.
569 * security problems with buggy linkers: Linking executables. (line 16)
570 * sh.test: Test descriptions. (line 181)
571 * shared libraries, not using: Static-only libraries.
573 * shared library versions: Versioning. (line 6)
574 * shl_load <1>: Using libltdl. (line 6)
575 * shl_load: Dlopened modules. (line 6)
576 * shlibpath_overrides_runpath: libtool script contents.
578 * shlibpath_var: libtool script contents.
580 * solving problems: Troubleshooting. (line 6)
581 * soname_spec: libtool script contents.
583 * specifications for libtool: Motivation. (line 20)
584 * standalone binaries: Static libraries. (line 64)
585 * static linking: Static libraries. (line 6)
586 * strip: Installing libraries.
588 * striplib: libtool script contents.
590 * stripping libraries: Installing libraries.
592 * su: Installing libraries.
594 * suffix.test: Test descriptions. (line 185)
595 * sys_lib_dlsearch_path_spec: libtool script contents.
597 * sys_lib_search_path_spec: libtool script contents.
599 * tag names: Tags. (line 6)
600 * tagdemo-conf.test: Test descriptions. (line 197)
601 * tagdemo-exec.test: Test descriptions. (line 197)
602 * tagdemo-make.test: Test descriptions. (line 197)
603 * tagdemo-shared.test: Test descriptions. (line 197)
604 * tagdemo-static.test: Test descriptions. (line 197)
605 * tagdemo-undef.test: Test descriptions. (line 197)
606 * test suite: Libtool test suite. (line 6)
607 * test_compile: Porting inter-library dependencies.
609 * tests, failed: When tests fail. (line 6)
610 * thread_safe_flag_spec: libtool script contents.
612 * time, saving: Static-only libraries.
614 * trace interface: Trace interface. (line 6)
615 * tricky design issues: Issues. (line 6)
616 * trouble with C++: C++ libraries. (line 6)
617 * trouble with dlopen: Dlopen issues. (line 6)
618 * troubleshooting: Troubleshooting. (line 6)
619 * undefined symbols, allowing: Link mode. (line 14)
620 * uninstall mode: Uninstall mode. (line 6)
621 * unknown: Porting inter-library dependencies.
623 * unresolved symbols, allowing: Link mode. (line 14)
624 * using shared libraries, not: Static-only libraries.
626 * version_type: libtool script contents.
628 * versioning, formal: Libtool versioning. (line 6)
629 * whole_archive_flag_spec: libtool script contents.
631 * wl: libtool script contents.
633 * wrapper executables for uninstalled programs: Wrapper executables.
635 * wrapper scripts for programs: Linking executables. (line 71)