Alexandre Oliva [Thu, 11 Mar 1999 16:11:05 +0000 (16:11 +0000)]
* ltconfig.in: set dlopen_* variables to unknown when appropriate
* ltmain.in: only emit warning about lack of AC_LIBTOOL_DLOPEN if
*all* dlopen_* variables are set to unknown
Alexandre Oliva [Thu, 11 Mar 1999 01:13:56 +0000 (01:13 +0000)]
* libtool.m4 (AC_LIBTOOL_DLOPEN): just set lt_dlopen=yes
(AC_LIBTOOL_SETUP): if lt_dlopen=yes, add --enable-dlopen to
libtool_flags; drop --enable-dlopen-self
* ltconfig.in: perform all the dirty work of testing for dlopening
support, because we need platform-dependent equivalents for
-export-dynamic, for self dlopening, and -static, for static self
dlopening
(dlopen_self_static): new configuration variable that is set to
yes only if static programs can dlopen themselves
* ltmain.in (-static, -all-static): dlopen_self=dlopen_self_static
Alexandre Oliva [Thu, 11 Mar 1999 00:58:19 +0000 (00:58 +0000)]
* libltdl/configure.in (libltdl_cv_need_uscore): do not assume
dlfcn.h and LTDL_LAZY exist; use LTDL_GLOBAL and LTDL_LAZY_OR_NOW.
This test is likely to fail if self-dlopening does not work,
especially because we do not link the program with
-export-dynamic. Let's just hope that platforms whose symbol
names start with underscores will also accept underscores for
dlopen. We should probably use libtool to compile and link this
test, so that we can use -export-dynamic.
Alexandre Oliva [Wed, 10 Mar 1999 21:23:37 +0000 (21:23 +0000)]
* libtool.m4 (AC_LIBLTDL_INSTALLABLE, AC_LIBLTDL_CONVENIENCE):
avoid introducing multiple --enable options when re-running
config.status
* libltdl/configure.in: if enable_ltdl_* is not set, assume no
* configure.in: if enable_ltdl_install is not set, enable it
Alexandre Oliva [Wed, 10 Mar 1999 20:39:03 +0000 (20:39 +0000)]
* libltdl/configure.in: only assume implicit installation if
libltdl was libtoolized. If not, print a warning message
suggesting the use of --enable-ltdl-install or of one of the
AC_LIBLTDL_* macros.
Alexandre Oliva [Wed, 10 Mar 1999 20:24:40 +0000 (20:24 +0000)]
* libtool.m4 (AC_LIBTOOL_SETUP): new macro, that does all the
configure-work that AC_PROG_LIBTOOL used to do; add
--cache-file=$cache_file to libtool_flags
(AC_PROG_LIBTOOL): call AC_LIBTOOL_SETUP, save the cache, run
ltconfig and reload the cache
* configure.in: run AC_LIBTOOL_SETUP, then set LIBTOOL_FLAGS to
libtool_flags
* ltconfig.in: support --cache-file switch. If it is used, load
the cache in the beginning and save it just before terminating
Alexandre Oliva [Wed, 10 Mar 1999 18:12:02 +0000 (18:12 +0000)]
* configure.in: create ltconfig and ltmain.sh at the end of
config.status, if they do not exist. This fixes the bootstrap
problem reported by Erez Zadok <ezk@cs.columbia.edu>
Thomas Tanner [Wed, 10 Mar 1999 17:23:28 +0000 (17:23 +0000)]
* NEWS: ordered by importance
* Makefile.am: set LIBTOOL_FLAGS when generating libtool
* configure.in: check for dlopen support and set LIBTOOL_FLAGS
accordingly
Thomas Tanner [Wed, 10 Mar 1999 16:16:03 +0000 (16:16 +0000)]
* configure.in: fix spacing for --disable-ltdl-install,
always configure libltdl, add libltdl/acinclude.m4 to
ACINCLUDE_M4_LIST, disable installation of libltdl if necessary
* libltdl/Makefile.am: set version info for libltdl.la
* libltdl/configure.in: don't check whether
enable_ltdl_convenience/install was set so that libltdl
can be used as independent package (libltdl.tar.gz) without
the need to use --enable-ltdl*
* libltdl/ltdl.c: minor cleanups, allocate the line cache
dynamically (lt_dlopen)
Alexandre Oliva [Wed, 10 Mar 1999 14:33:22 +0000 (14:33 +0000)]
* libltdl/ltdl.c (lt_dlopen): some preprocessors choke if the `#'
of `#define' is not in column 1; let's go back to fortran! :-)
Add #undefs too, to avoid potential warnings or errors.
Alexandre Oliva [Tue, 9 Mar 1999 23:09:01 +0000 (23:09 +0000)]
* libtool.m4 (AC_LIBLTDL_INSTALLABLE, AC_LIBLTDL_CONVENIENCE):
renamed convenience libltdl, dropped toinst hack for installable
* libltdl/Makefile.am: ditto
* libltdl/configure.in: ditto; abort if none of the macros is used
Alexandre Oliva [Tue, 9 Mar 1999 22:57:26 +0000 (22:57 +0000)]
* Makefile.am (install-data-hook): install libltdl as a directory,
not as a tar-file, so that we do not modify the build tree at make
install time
* libtoolize.in (ltdl, ltdl_tar): update
Alexandre Oliva [Tue, 9 Mar 1999 22:02:09 +0000 (22:02 +0000)]
* libtool.m4 (AC_LIBLTDL_INSTALLABLE, AC_LIBLTDL_CONVENIENCE):
new macros
* NEWS: ditto
* libltdl/configure.in: if none of the new macros or configure
arguments are used, warn and build convenience library only
* libltdl/Makefile.am: conditionally build convenience libltdl.la
* mdemo/configure.in: use AC_LIBLTDL_CONVENIENCE
* mdemo/Makefile.am: refer to @LIBLTDL@
Alexandre Oliva [Mon, 8 Mar 1999 21:55:25 +0000 (21:55 +0000)]
* ltmain.in: extract symbols from program objects to nlist first,
then translate them to the export_symbols format. Now it works,
but it appears to be needlessly extracting the symbol list from
dlpreopened libraries twice
Alexandre Oliva [Mon, 8 Mar 1999 21:21:55 +0000 (21:21 +0000)]
* ltmain.in: temporarily disable dlopen_self when linking with
-static or -all-static, until we figure out how to test whether it
works at configure time
* TODO: remember to fix this later
Alexandre Oliva [Mon, 8 Mar 1999 21:08:09 +0000 (21:08 +0000)]
* tests/build-relink.test: when hell is expected to fail, run it
within a subshell and redirect stderr to stdout, so that dynamic
linker errors are only printed in verbose mode
Alexandre Oliva [Mon, 8 Mar 1999 18:20:26 +0000 (18:20 +0000)]
* libltdl/Makefile.am (@TOINST@/libltdl.la): do not hide the
command that creates the TOINST directory; remove `-o $@' from the
LINK command, $(LINK) already contains it.
Alexandre Oliva [Mon, 8 Mar 1999 17:40:42 +0000 (17:40 +0000)]
* libltdl/Makefile.am, libltdl/configure.in, mdemo/Makefile.am:
libltdl must not be renamed; if there's a problem with the install
option, let's fix it, not just work around it by breaking code of
users of the convenience library
Thomas Tanner [Mon, 8 Mar 1999 15:56:45 +0000 (15:56 +0000)]
* TODO: updated (libltdl build problem fixed)
* doc/libtool.texi (libltdl interface): removed the line which
promised that lt_dlopen will return NULL if it can't resolve all
symbols
* libltdl/Makefile.am, libltdl/configure.in: fixed build problem:
renamed the convenience library to libltdlc.la and the
installed version to libltdl.la
* ltmain.in (wrapper script): replaced the "T" suffix of the program
file name with a "lt-" prefix
* mdemo/Makefile.am: use libltdlc.la
* tests/Makefile.am, tests/demo-nofast.test: added demo to
test --enable-fast-install=no
Alexandre Oliva [Sun, 7 Mar 1999 23:45:22 +0000 (23:45 +0000)]
* tests/Makefile.am (TESTS): run hardcode before build-relink
trashes libhello.la
* tests/hardcode.test (need_prefix): set to yes so that _inst is
not removed
Alexandre Oliva [Sun, 7 Mar 1999 22:46:52 +0000 (22:46 +0000)]
* ltmain.in (relink_command): do not prepend cd `pwd` to it, the
scripts already enters the correct directory, and expanding the
pathname would prevent the build tree from moving
Alexandre Oliva [Sun, 7 Mar 1999 22:34:30 +0000 (22:34 +0000)]
* ltconfig.in (enable_fast_install): force it to no only if we
need relink; in the other cases, set it to needless
* ltmain.in (fast_install): if needless, set relink_command empty
* doc/libtool.texi (fast_install, shlibpath_overrides_runpath):
document the new behavior
Thomas Tanner [Sun, 7 Mar 1999 15:27:23 +0000 (15:27 +0000)]
* TODO: scheduled some items for next release/future
* demo/configure.in: use AC_LIBTOOL_DLOPEN
* libtool.m4: added AC_ENABLE/DISABLE_FAST_INSTALL macro
* ltconfig.in: added --disable-fast-install flag
* ltmain.in: partially reverted Alexandre's patch and implemented
on-demand linking in such a way that the old developer-friendly
linking style is optional,
don't hardcode library paths that are in the system search path,
fixed a typo in lib_search_path,
implemented -export-symbols-regex for programs
Alexandre Oliva [Sat, 6 Mar 1999 20:24:57 +0000 (20:24 +0000)]
* libltdl/ltdl.c (LTDL_LAZY_OR_NOW): renamed from LTDL_NOW; prefer
LAZY loading because it's much faster and NOW is apparently
partially broken on FreeBSD
Reported by Archie Cobbs <archie@whistle.com>
Alexandre Oliva [Sat, 6 Mar 1999 19:26:20 +0000 (19:26 +0000)]
* ltmain.in (freebsd): compile symbol table file with pic_flag
only on FreeBSD and when not static linking; it's been causing
trouble on platforms such as OpenBSD.
Gary V. Vaughan [Fri, 26 Feb 1999 16:17:43 +0000 (16:17 +0000)]
* ltconfig.in (sub_uncdrive): removed. This won't work with
the next version of cygwin.
(sub_uncdir): removed. We use <drive>:/path/to/executable now.
* libtool.m4 (AC_PROG_LD): removed sub_uncdrive and sub_uncdir.
Thomas Tanner [Thu, 25 Feb 1999 06:46:55 +0000 (06:46 +0000)]
* TODO: added items for next alpha release, ILD etc.
* libltdl/ltdl.c: removed unnecessary check from presym_sym,
fixed bug in lt_dlclose, allow lt_dlopenext(NULL),
set deplibs for lt_dlopen(NULL)
Thomas Tanner [Mon, 22 Feb 1999 21:17:56 +0000 (21:17 +0000)]
* ltconfig.in (dlopen, dlopen_self): default is unknown
* ltmain.in: fixed -dlopen self, print a warning
if -dlopen is used without AC_LIBTOOL_DLOPEN
* mdemo/Makefile.am: use -dlopen self
Alexandre Oliva [Mon, 22 Feb 1999 20:47:30 +0000 (20:47 +0000)]
* ltmain.in: create on-demand executable as $progdir/$$-$program,
and rename it to $progdir/$program only when it's finished, to
avoid race conditions. We can still get the program linked
multiple times, if multiple instances are started simultaneously
and the program does not exist, but they are very unlikely to
interfere with each other. There's still a possibility that one
process removes the $program another has just created, and doesn't
replace it before the other tries to run it, in a system whose
`mv' is not atomic, so it will $rm then $mv, but so what? :-)
Locking files have been avoided to prevent dead-locks in case they
are left over after a reboot or crash.
Alexandre Oliva [Mon, 22 Feb 1999 19:43:36 +0000 (19:43 +0000)]
* ltmain.in: remove on-demand executable in the proper place, and
just warn if it can't be removed; add wrapper code to test whether
the install-executable is newer than the build-executable, to
relink it when it appears to be out-of-date
Alexandre Oliva [Mon, 22 Feb 1999 19:24:55 +0000 (19:24 +0000)]
* libltdl/configure.in: check for dld.h
* libltdl/ltdl.c: include dld.h
(dld_open) it's spelled memory_error, not no_memory_error
Reported by Stefan Burstroem <f94sbu@efd.lth.se>
Thomas Tanner [Sun, 21 Feb 1999 15:38:02 +0000 (15:38 +0000)]
* libltdl/ltdl.c (lt_dlopen): use newhandle instead of handle
when dlopening the executable
* libtool.m4 (AC_LIBTOOL_DLOPEN): removed the redundant "yes: "
prefix for lt_cv_dlopen, renamed lt_cv_dlopen_LIBS
to lt_cv_dlopen_libs (more consistent)
* ltmain.in: implemented -dl[pre]open self, necessary for
lt_dlopen(NULL), generation of exported symbols was broken
Alexandre Oliva [Sat, 20 Feb 1999 16:42:07 +0000 (16:42 +0000)]
* ltconfig.in (shlibpath_overrides_runpath): new variable;
determines whether LD_LIBRARY_PATH or equivalent can be used to
override a hard-coded library search path; default to unknown
(linux-gnu*): set it to no
(solaris*, sunos4*): set it to yes
* ltmain.in (build_libdirs_flags, build_libdirs, build_rpath): if
shlibpath_overrides_runpath is not yes, arrange that wrapper
scripts create, on demand, programs that use uninstalled libraries
* doc/libtool.texi: document it
Alexandre Oliva [Sat, 20 Feb 1999 15:07:54 +0000 (15:07 +0000)]
* libtool.m4 (AC_LIBTOOL_DLOPEN): check for dlopen in libc before
trying in dl. Add the actual dlopening type to lt_cv_dlopen, and
add any needed libraries to lt_cv_dlopen_LIBS. Add test for
MS-Windows' LoadLibrary. Check whether a program can dlopen
itself only if we really have dlopen(), not some equivalent
function, but leave room for testing with other mechanisms.
(AC_PROG_LIBTOOL): assume some form of dlopen, but not
dlopen(NULL), is available if AC_LIBTOOL_DLOPEN is not used, for
backward compatibility.
Gary V. Vaughan [Fri, 19 Feb 1999 17:41:51 +0000 (17:41 +0000)]
* ltconfig.in (export_symbols_cmds): renamed from
export_symbols_cmd.
(cygwin, mingw): Be sure to compile the ltdll.c object before
extracting the exported symbol list. Extract only the names
of the exported symbols from the def file [otherwise we might
run into trouble with -export-symbols-regex].
(archive_expsym_cmds): Regenerate the def file from the symbol
export list.
(delay_variable_subst): New sed expression to allow us to delay
evaluation of $foo in a double_quote_subst evaluated variable by
using $.
* ltmain.in (export_symbols_cmds): evaluate each ~ delimitted cmd
separately.
* doc/libtool.texi (libtool script contents): new paragraph to
explain the difference between _cmd and _cmds suffixes for
variable names.
(export_symbols_cmds): renamed from export_symbols_cmd.
Alexandre Oliva [Thu, 18 Feb 1999 20:58:14 +0000 (20:58 +0000)]
* ltconfig.in (ld_shlibs): move -soname and similar flags to the
end of archive_cmds and archive_expsym_cmds, so as to prevent
gcc's collect2 from inserting an object file between -soname and
the library name
Alexandre Oliva [Thu, 18 Feb 1999 18:50:24 +0000 (18:50 +0000)]
* ltconfig.in (archive{,_sym}_commands): Be careful not to
re-export the dll entry points DllMain@12, _cygwin_dll_entry@12 and
_cygwin_noncygwin_dll_entry@12 to avoid bugs with the wrong entry
function being called with inter-dll dependencies.
Reported by DJ Delorie <dj@delorie.com>
* THANKS: Added DJ Delorie, since his code inspired the impgen.c
program and because he has patiently answered all of the
irritating dll and win32 questions I have fired at him.
Gary V. Vaughan [Thu, 18 Feb 1999 14:46:46 +0000 (14:46 +0000)]
* ltmain.in (impgen.c): Added a new embedded C file that can be
used under win32 to extract a def file (symbol export list) from a
dll that has none. Code to use it might need to wait for the ILD
merge before it will be useful...
Thomas Tanner [Thu, 18 Feb 1999 11:38:36 +0000 (11:38 +0000)]
* TODO: updated
* autogen: only libltdl needs autoheader
* doc/libtool.texi (link mode): documented -export-symbols-regex
and updated -export-symbols
* doc/libtool.texi (script contents): documented
always_export_symbols, export_symbols_cmd, exclude_expsyms,
include_expsyms, dlopen and dlopen_self
more detailed description of need_lib_prefix
* ltconfig.in: a "'" was missing in the default value
of export_symbols_cmd
* ltmain.in: implemented -export-symbols-regex
Thomas Tanner [Mon, 15 Feb 1999 16:46:55 +0000 (16:46 +0000)]
* cdemo/Makefile.am: renamed *foo1 to *foo, removed $(MATH_LIB)
* cdemo/foo1.c: renamed to foo.c
* libltdl/ltdl.c: eliminated lt_dltype, in presym_open():
search for @PROGRAM@ if filename == 0, in lt_dlopen():
fixed bug for filename == 0
* libltdl/ltdl.h: use __P macro for lt_dlmalloc/free
* libtool.m4: new macro AC_LIBTOOL_DLOPEN: checks for dlopen
and dlopen(NULL) support
* ltconfig.in: added new variables dlopen and dlopen_self,
--enable-dlopen[-self] flags for AC_LIBTOOL_DLOPEN
* ltmain.in: use dlopen[_self], dlpreopen files if there's no
dlopen support, build lt_preloaded_symbols only if
-dl[pre]open was used, include program symbols if -export-dynamic
was specified and there's no dlopen(NULL) support
* mdemo/configure.in: use AC_LIBTOOL_DLOPEN
* mdemo/main.c: demonstrate lt_dlopen(0)
Gary V. Vaughan [Mon, 15 Feb 1999 14:23:02 +0000 (14:23 +0000)]
* demo/dlmain.c (_WIN32): The lt_symlist structure is now const,
so my original horrible temporary win32 hack no longer worked.
Here is a new horrible temporary hack to prevent helldl from SEGVing
on win32. I will fix this properly when we figure out how to do
data exports from dlls.
Alexandre Oliva [Sun, 14 Feb 1999 03:04:51 +0000 (03:04 +0000)]
* libtool.m4 (AC_CHECK_LIBM): do not set MATHLIB or AC_SUBST it,
this has a negative side-effect of causing automake to add MATHLIB
to every single Makefile. Let's use plain AC_CHECK_LIB, so that
LIBS get set, until we find a better alternative
* *demo/Makefile.am: remove $(MATHLIB)
Thomas Tanner [Sat, 13 Feb 1999 15:43:04 +0000 (15:43 +0000)]
* *demo/Makefile.am: use $(MATHLIB)
* *demo/configure.in: use AC_CHECK_LIBM
* doc/libtool.texi: renamed file_magic_command to file_magic_cmd,
renamed archive_sym_cmds to archive_expsym_cmds
* ltconfig.in: ditto
* ltmain.in: ditto
* libltdl/ltdl.c: use lt_dlmalloc/free
* libltdl/ltdl.h: define lt_dlmalloc/free
* libtool.m4: added AC_CHECK_LIBM macro
* ltconfig.in: renamed archive_sym_cmds to archive_expsym_cmds,
added always_export_symbols, export_symbols_cmd, exclude_expsyms,
include_expsyms, removed archive_cmds for cygwin/mingw and AIX,
on Solaris store the exported symbols list in objdir
* ltmain.in: allow -export-symbols for modules, use thread_safe flag,
add include_expsyms to the exported symbols
Gary V. Vaughan [Fri, 12 Feb 1999 17:35:39 +0000 (17:35 +0000)]
* libltdl/ltdl.h (_LTDLL_EXTERN): libltdl is no longer linked as a
shared library, so the _declspec's were preventing the linker from
resolving symbols on win32. They have been removed now.