from here...
* libltdl/lt__private.h: ...to here. New file to declare ltdl's
internal interfaces.
* libltdl/ltdl.c: Include lt__private.h.
* m4/ltdl.m4 (AC_LIB_LTDL): Add lt_dirent to AC_LIBOBJ if all of
opendir, readdir and closedir are missing.
(AC_CHECK_HEADERS): Remove assert.h, ctype.h, errno.h, malloc.h,
stdio.h and stdlib.h; these headers are all available in standard
c89 environments and newer.
* libltdl/lt__private.h: Include them here unconditionally.
* libltdl/lt__dirent.c (opendir, readdir, closedir): New file.
Windows dirent emulation functions moved to here...
* libltdl/ltdl.c (opendir, readdir, closedir): ...from here.
* libltdl/lt__dirent.h: New file. Rename the global symbols from
lt__dirent.c into the lt__ namespace so they don't clash with
other libraries.
There was no clean separation of abstraction layers in libltdl.
The first step in fixing this is to factor out the memory
management abstraction, making a start on removing promiscuity
from the underlying portability layer:
* doc/libtool.texi (Libltdl interface): Remove lt_dlmalloc,
lt_dlrealloc and lt_dlfree references. The memory management
layer used by libltdl is now private.
* libltdl/lt_system.h: New installed header for system portability
abstraction.
* libltdl/ltdl.h: Use it.
* libltdl/lt__alloc.c, libltdl/lt__alloc.h: New module above
system portability layer to abstract ltdl's memory management.
* libltdl/ltdl.c: Use lt__alloc.h.
(closedir): Use free.
(opendir): Use malloc/free.
(lt__xalloc_die_callback): Report memory failures through
lt_dlerror.
(lt_dlinit): Use it to initialise memory management.
(LT_DLMALLOC, LT_DLREALLOC, LT_DLFREE, LT_EMALLOC, LT_EREALLOC)
(rpl_strdup, rpl_realloc, lt_estrdup, lt_emalloc, lt_erealloc):
Removed in favour of...
(lt__strdup, lt__memdup, MALLOC, REALLOC, FREE): ...these calls
from libltdl/lt__alloc.h. Changed all callers.
(rpl_argz_append, rpl_argz_create_sep, rpl_argz_insert): As part
of the portability layer, these functions no longer use libltdl
memory management API.
(free_vars): Factored out.
(LT_DLMEM_REASSIGN): While redoing memory handling, renamed...
* libltdl/lt__alloc.h (MEMREASSIGN): ...to this.
* libltdl/Makefile.am (AUTOMAKE_OPTIONS): Let automake track
dependencies automatically.
(pkgincludedir): Override from parent package's setting.
(pkginclude_HEADERS): Install lt_system.h.
(libltdl_la_SOURCES): Add new files.
* NEWS: Updated.
Reported by Dalibor Topic <robilad@kaffe.org>
