mirror of
https://github.com/yasm/yasm
synced 2026-08-26 22:26:05 -04:00
Update to GNU Libtool 20030216 (from Cygwin) to get dynamic linking working
under Cygwin. svn path=/trunk/yasm/; revision=860
This commit is contained in:
Peter Johnson
parent
9653cd6bcb
commit
ad6ab091e8
6 changed files with 5262 additions and 2965 deletions
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@ -61,11 +61,13 @@ AC_PROG_CC_STDC
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AC_PROG_INSTALL
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AC_PROG_LN_S
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AM_PROG_LEX
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# Libtool
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AC_LIBTOOL_DLOPEN
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AC_LIBTOOL_WIN32_DLL
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AC_LIBLTDL_CONVENIENCE
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#AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AC_SUBST(LIBTOOL_DEPS)
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AC_SUBST([LIBTOOL_DEPS])
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# REQUIRE a standard (ANSI/ISO) C compiler
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if test "$ac_cv_prog_cc_stdc" = no; then
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@ -27,9 +27,9 @@ libltdlc_la_LIBADD = $(LIBADD_DL)
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## Because we do not have automatic dependency tracking:
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ltdl.lo: ltdl.h ../libyasm/config.h
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$(OBJECTS): libtool
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libtool: $(LIBTOOL_DEPS)
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$(SHELL) ./config.status --recheck
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$(libltdl_la_OBJECTS) $(libltdlc_la_OBJECTS): $(top_builddir)/libtool
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#libtool: $(LIBTOOL_DEPS)
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# $(SHELL) $(top_builddir)/config.status --recheck
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## This allows us to install libltdl without using ln and without creating
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## a world writeable directory.
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@ -1,84 +0,0 @@
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## Process this file with autoconf to create configure. -*- autoconf -*-
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# Copyright 2001 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA
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## FIXME: Is this really new enough? ##
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AC_PREREQ(2.50)
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## ------------------------ ##
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## Autoconf initialisation. ##
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## ------------------------ ##
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AC_INIT([libltdl], [1.2], [bug-libtool@gnu.org])
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AC_CONFIG_SRCDIR([ltdl.c])
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## ------------------------------- ##
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## Libltdl specific configuration. ##
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## ------------------------------- ##
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# We shouldn't be using these internal macros of autoconf,
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# but CONFIG_AUX_DIR($with_auxdir) breaks automake.
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AC_ARG_WITH([auxdir],
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[AC_HELP_STRING([--with-auxdir=DIR], [path to autoconf auxiliary files])],
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[AC_CONFIG_AUX_DIRS($with_auxdir)],
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[AC_CONFIG_AUX_DIR_DEFAULT])
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if test -z "$enable_ltdl_install$enable_ltdl_convenience"; then
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if test -f ${srcdir}/ltmain.sh; then
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# if libltdl is libtoolized, it is assumed to be stand-alone and
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# installed unless the command line overrides it (tested above)
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enable_ltdl_install=yes
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else
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AC_MSG_WARN([*** The top-level configure must select either])
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AC_MSG_WARN([*** [A""C_LIBLTDL_INSTALLABLE] or [A""C_LIBLTDL_CONVENIENCE].])
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AC_MSG_ERROR([*** Maybe you want to --enable-ltdl-install?])
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fi
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fi
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## ------------------------ ##
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## Automake Initialisation. ##
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## ------------------------ ##
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AM_INIT_AUTOMAKE(AC_PACKAGE_TARNAME, AC_PACKAGE_VERSION, -)
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AM_CONFIG_HEADER([config.h:config-h.in])
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## ------------------ ##
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## C compiler checks. ##
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## ------------------ ##
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AC_PROG_CC
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AC_C_CONST
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AC_C_INLINE
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## ----------------------- ##
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## Libtool initialisation. ##
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## ----------------------- ##
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AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AC_SUBST([LIBTOOL_DEPS])
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AC_LIB_LTDL
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## -------- ##
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## Outputs. ##
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## -------- ##
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AC_CONFIG_FILES([Makefile])
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AC_OUTPUT
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350
libltdl/ltdl.c
350
libltdl/ltdl.c
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@ -65,20 +65,52 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# include <errno.h>
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#endif
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#if HAVE_DIRENT_H
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#ifndef __WINDOWS__
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# ifdef __WIN32__
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# define __WINDOWS__
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# endif
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#endif
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#undef LT_USE_POSIX_DIRENT
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#ifdef HAVE_CLOSEDIR
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# ifdef HAVE_OPENDIR
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# ifdef HAVE_READDIR
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# ifdef HAVE_DIRENT_H
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# define LT_USE_POSIX_DIRENT
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# endif /* HAVE_DIRENT_H */
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# endif /* HAVE_READDIR */
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# endif /* HAVE_OPENDIR */
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#endif /* HAVE_CLOSEDIR */
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#undef LT_USE_WINDOWS_DIRENT_EMULATION
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#ifndef LT_USE_POSIX_DIRENT
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# ifdef __WINDOWS__
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# define LT_USE_WINDOWS_DIRENT_EMULATION
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# endif /* __WINDOWS__ */
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#endif /* LT_USE_POSIX_DIRENT */
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#ifdef LT_USE_POSIX_DIRENT
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# include <dirent.h>
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# define LT_D_NAMLEN(dirent) (strlen((dirent)->d_name))
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#else
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# define dirent direct
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# define LT_D_NAMLEN(dirent) ((dirent)->d_namlen)
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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# ifdef LT_USE_WINDOWS_DIRENT_EMULATION
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# define LT_D_NAMLEN(dirent) (strlen((dirent)->d_name))
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# else
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# define dirent direct
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# define LT_D_NAMLEN(dirent) ((dirent)->d_namlen)
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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# endif
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# endif
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#endif
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@ -94,7 +126,9 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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#include "ltdl.h"
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#if WITH_DMALLOC
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# include <dmalloc.h>
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#endif
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/* --- WINDOWS SUPPORT --- */
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@ -114,7 +148,28 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# define LT_READTEXT_MODE "r"
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#endif
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#ifdef LT_USE_WINDOWS_DIRENT_EMULATION
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#include <windows.h>
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#define dirent lt_dirent
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#define DIR lt_DIR
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struct dirent
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{
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char d_name[2048];
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int d_namlen;
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};
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typedef struct _DIR
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{
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HANDLE hSearch;
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WIN32_FIND_DATA Win32FindData;
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BOOL firsttime;
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struct dirent file_info;
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} DIR;
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#endif /* LT_USE_WINDOWS_DIRENT_EMULATION */
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/* --- MANIFEST CONSTANTS --- */
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@ -154,7 +209,8 @@ static char *lt_estrdup LT_PARAMS((const char *str));
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static lt_ptr lt_emalloc LT_PARAMS((size_t size));
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static lt_ptr lt_erealloc LT_PARAMS((lt_ptr addr, size_t size));
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static lt_ptr rpl_realloc LT_PARAMS((lt_ptr ptr, size_t size));
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/* static lt_ptr rpl_realloc LT_PARAMS((lt_ptr ptr, size_t size)); */
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#define rpl_realloc realloc
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/* These are the pointers that can be changed by the caller: */
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LT_GLOBAL_DATA lt_ptr (*lt_dlmalloc) LT_PARAMS((size_t size))
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@ -166,6 +222,18 @@ LT_GLOBAL_DATA void (*lt_dlfree) LT_PARAMS((lt_ptr ptr))
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/* The following macros reduce the amount of typing needed to cast
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assigned memory. */
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#if WITH_DMALLOC
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#define LT_DLMALLOC(tp, n) ((tp *) xmalloc ((n) * sizeof(tp)))
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#define LT_DLREALLOC(tp, p, n) ((tp *) xrealloc ((p), (n) * sizeof(tp)))
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#define LT_DLFREE(p) \
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LT_STMT_START { if (p) (p) = (xfree (p), (lt_ptr) 0); } LT_STMT_END
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#define LT_EMALLOC(tp, n) ((tp *) xmalloc ((n) * sizeof(tp)))
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#define LT_EREALLOC(tp, p, n) ((tp *) xrealloc ((p), (n) * sizeof(tp)))
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#else
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#define LT_DLMALLOC(tp, n) ((tp *) lt_dlmalloc ((n) * sizeof(tp)))
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#define LT_DLREALLOC(tp, p, n) ((tp *) rpl_realloc ((p), (n) * sizeof(tp)))
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#define LT_DLFREE(p) \
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@ -174,6 +242,8 @@ LT_GLOBAL_DATA void (*lt_dlfree) LT_PARAMS((lt_ptr ptr))
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#define LT_EMALLOC(tp, n) ((tp *) lt_emalloc ((n) * sizeof(tp)))
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#define LT_EREALLOC(tp, p, n) ((tp *) lt_erealloc ((p), (n) * sizeof(tp)))
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#endif
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#define LT_DLMEM_REASSIGN(p, q) LT_STMT_START { \
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if ((p) != (q)) { if (p) lt_dlfree (p); (p) = (q); (q) = 0; } \
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} LT_STMT_END
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@ -187,7 +257,7 @@ LT_GLOBAL_DATA void (*lt_dlfree) LT_PARAMS((lt_ptr ptr))
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static char *strdup LT_PARAMS((const char *str));
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char *
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static char *
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strdup(str)
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const char *str;
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{
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@ -213,7 +283,7 @@ strdup(str)
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static int strcmp LT_PARAMS((const char *str1, const char *str2));
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int
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static int
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strcmp (str1, str2)
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const char *str1;
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const char *str2;
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@ -245,7 +315,7 @@ strcmp (str1, str2)
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static const char *strchr LT_PARAMS((const char *str, int ch));
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const char*
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static const char*
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strchr(str, ch)
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const char *str;
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int ch;
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@ -271,7 +341,7 @@ strchr(str, ch)
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static const char *strrchr LT_PARAMS((const char *str, int ch));
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const char*
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static const char*
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strrchr(str, ch)
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const char *str;
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int ch;
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@ -305,7 +375,7 @@ strrchr(str, ch)
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static lt_ptr memcpy LT_PARAMS((lt_ptr dest, const lt_ptr src, size_t size));
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lt_ptr
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static lt_ptr
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memcpy (dest, src, size)
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lt_ptr dest;
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const lt_ptr src;
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@ -329,7 +399,7 @@ memcpy (dest, src, size)
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static lt_ptr memmove LT_PARAMS((lt_ptr dest, const lt_ptr src, size_t size));
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lt_ptr
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static lt_ptr
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memmove (dest, src, size)
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lt_ptr dest;
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const lt_ptr src;
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@ -353,6 +423,76 @@ memmove (dest, src, size)
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#endif /* !HAVE_MEMMOVE */
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#ifdef LT_USE_WINDOWS_DIRENT_EMULATION
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static void closedir LT_PARAMS((DIR *entry));
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static void
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closedir(entry)
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DIR *entry;
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{
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assert(entry != (DIR *) NULL);
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FindClose(entry->hSearch);
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lt_dlfree((lt_ptr)entry);
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}
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static DIR * opendir LT_PARAMS((const char *path));
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static DIR*
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opendir (path)
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const char *path;
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{
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char file_specification[LT_FILENAME_MAX];
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DIR *entry;
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assert(path != (char *) NULL);
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(void) strncpy(file_specification,path,LT_FILENAME_MAX-1);
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(void) strcat(file_specification,"\\");
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entry = LT_DLMALLOC (DIR,sizeof(DIR));
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if (entry != (DIR *) 0)
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{
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entry->firsttime = TRUE;
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entry->hSearch = FindFirstFile(file_specification,&entry->Win32FindData);
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}
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if (entry->hSearch == INVALID_HANDLE_VALUE)
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{
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(void) strcat(file_specification,"\\*.*");
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entry->hSearch = FindFirstFile(file_specification,&entry->Win32FindData);
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if (entry->hSearch == INVALID_HANDLE_VALUE)
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{
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LT_DLFREE (entry);
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return (DIR *) 0;
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}
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}
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return(entry);
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}
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static struct dirent *readdir LT_PARAMS((DIR *entry));
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static struct dirent *readdir(entry)
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DIR *entry;
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{
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int
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status;
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if (entry == (DIR *) 0)
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return((struct dirent *) 0);
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if (!entry->firsttime)
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{
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status = FindNextFile(entry->hSearch,&entry->Win32FindData);
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if (status == 0)
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return((struct dirent *) 0);
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}
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entry->firsttime = FALSE;
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(void) strncpy(entry->file_info.d_name,entry->Win32FindData.cFileName,
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LT_FILENAME_MAX-1);
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entry->file_info.d_namlen = strlen(entry->file_info.d_name);
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return(&entry->file_info);
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}
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#endif /* LT_USE_WINDOWS_DIRENT_EMULATION */
|
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|
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/* According to Alexandre Oliva <oliva@lsd.ic.unicamp.br>,
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``realloc is not entirely portable''
|
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|
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@ -361,15 +501,22 @@ memmove (dest, src, size)
|
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Instead implement our own version (with known boundary conditions)
|
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using lt_dlmalloc and lt_dlfree. */
|
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|
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#undef realloc
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#define realloc rpl_realloc
|
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/* #undef realloc
|
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#define realloc rpl_realloc
|
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*/
|
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#if 0
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/* You can't (re)define realloc unless you also (re)define malloc.
|
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Right now, this code uses the size of the *destination* to decide
|
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how much to copy. That's not right, but you can't know the size
|
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of the source unless you know enough about, or wrote malloc. So
|
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this code is disabled... */
|
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|
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lt_ptr
|
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static lt_ptr
|
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realloc (ptr, size)
|
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lt_ptr ptr;
|
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size_t size;
|
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{
|
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if (size <= 0)
|
||||
if (size == 0)
|
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{
|
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/* For zero or less bytes, free the original memory */
|
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if (ptr != 0)
|
||||
|
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@ -400,6 +547,7 @@ realloc (ptr, size)
|
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return mem;
|
||||
}
|
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}
|
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#endif
|
||||
|
||||
|
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#if ! HAVE_ARGZ_APPEND
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@ -408,7 +556,7 @@ realloc (ptr, size)
|
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static error_t argz_append LT_PARAMS((char **pargz, size_t *pargz_len,
|
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const char *buf, size_t buf_len));
|
||||
|
||||
error_t
|
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static error_t
|
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argz_append (pargz, pargz_len, buf, buf_len)
|
||||
char **pargz;
|
||||
size_t *pargz_len;
|
||||
|
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@ -450,7 +598,7 @@ argz_append (pargz, pargz_len, buf, buf_len)
|
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static error_t argz_create_sep LT_PARAMS((const char *str, int delim,
|
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char **pargz, size_t *pargz_len));
|
||||
|
||||
error_t
|
||||
static error_t
|
||||
argz_create_sep (str, delim, pargz, pargz_len)
|
||||
const char *str;
|
||||
int delim;
|
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|
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@ -513,7 +661,7 @@ argz_create_sep (str, delim, pargz, pargz_len)
|
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static error_t argz_insert LT_PARAMS((char **pargz, size_t *pargz_len,
|
||||
char *before, const char *entry));
|
||||
|
||||
error_t
|
||||
static error_t
|
||||
argz_insert (pargz, pargz_len, before, entry)
|
||||
char **pargz;
|
||||
size_t *pargz_len;
|
||||
|
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@ -524,11 +672,6 @@ argz_insert (pargz, pargz_len, before, entry)
|
|||
assert (pargz_len);
|
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assert (entry && *entry);
|
||||
|
||||
/* Either PARGZ/PARGZ_LEN is empty and BEFORE is NULL,
|
||||
or BEFORE points into an address within the ARGZ vector. */
|
||||
assert ((!*pargz && !*pargz_len && !before)
|
||||
|| ((*pargz <= before) && (before < (*pargz + *pargz_len))));
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||||
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||||
/* No BEFORE address indicates ENTRY should be inserted after the
|
||||
current last element. */
|
||||
if (!before)
|
||||
|
|
@ -575,7 +718,7 @@ argz_insert (pargz, pargz_len, before, entry)
|
|||
static char *argz_next LT_PARAMS((char *argz, size_t argz_len,
|
||||
char *entry));
|
||||
|
||||
char *
|
||||
static char *
|
||||
argz_next (argz, argz_len, entry)
|
||||
char *argz;
|
||||
size_t argz_len;
|
||||
|
|
@ -620,7 +763,7 @@ argz_next (argz, argz_len, entry)
|
|||
static void argz_stringify LT_PARAMS((char *argz, size_t argz_len,
|
||||
int sep));
|
||||
|
||||
void
|
||||
static void
|
||||
argz_stringify (argz, argz_len, sep)
|
||||
char *argz;
|
||||
size_t argz_len;
|
||||
|
|
@ -856,7 +999,7 @@ lt_dlseterror (errindex)
|
|||
return errors;
|
||||
}
|
||||
|
||||
lt_ptr
|
||||
static lt_ptr
|
||||
lt_emalloc (size)
|
||||
size_t size;
|
||||
{
|
||||
|
|
@ -866,7 +1009,7 @@ lt_emalloc (size)
|
|||
return mem;
|
||||
}
|
||||
|
||||
lt_ptr
|
||||
static lt_ptr
|
||||
lt_erealloc (addr, size)
|
||||
lt_ptr addr;
|
||||
size_t size;
|
||||
|
|
@ -877,14 +1020,14 @@ lt_erealloc (addr, size)
|
|||
return mem;
|
||||
}
|
||||
|
||||
char *
|
||||
static char *
|
||||
lt_estrdup (str)
|
||||
const char *str;
|
||||
{
|
||||
char *dupl = strdup (str);
|
||||
if (LT_STRLEN (str) && !dupl)
|
||||
char *copy = strdup (str);
|
||||
if (LT_STRLEN (str) && !copy)
|
||||
LT_DLMUTEX_SETERROR (LT_DLSTRERROR (NO_MEMORY));
|
||||
return dupl;
|
||||
return copy;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -893,11 +1036,7 @@ lt_estrdup (str)
|
|||
/* --- DLOPEN() INTERFACE LOADER --- */
|
||||
|
||||
|
||||
/* The Cygwin dlopen implementation prints a spurious error message to
|
||||
stderr if its call to LoadLibrary() fails for any reason. We can
|
||||
mitigate this by not using the Cygwin implementation, and falling
|
||||
back to our own LoadLibrary() wrapper. */
|
||||
#if HAVE_LIBDL && !defined(__CYGWIN__)
|
||||
#if HAVE_LIBDL
|
||||
|
||||
/* dynamic linking with dlopen/dlsym */
|
||||
|
||||
|
|
@ -1709,9 +1848,17 @@ static int lt_argz_insert LT_PARAMS((char **pargz,
|
|||
static int lt_argz_insertinorder LT_PARAMS((char **pargz,
|
||||
size_t *pargz_len,
|
||||
const char *entry));
|
||||
static int lt_argz_insertdir LT_PARAMS((char **pargz,
|
||||
size_t *pargz_len,
|
||||
const char *dirnam,
|
||||
struct dirent *dp));
|
||||
static int lt_dlpath_insertdir LT_PARAMS((char **ppath,
|
||||
char *before,
|
||||
const char *dir));
|
||||
static int list_files_by_dir LT_PARAMS((const char *dirnam,
|
||||
char **pargz,
|
||||
size_t *pargz_len));
|
||||
static int file_not_found LT_PARAMS((void));
|
||||
|
||||
static char *user_search_path= 0;
|
||||
static lt_dlloader *loaders = 0;
|
||||
|
|
@ -1732,7 +1879,7 @@ lt_dlinit ()
|
|||
handles = 0;
|
||||
user_search_path = 0; /* empty search path */
|
||||
|
||||
#if HAVE_LIBDL && !defined(__CYGWIN__)
|
||||
#if HAVE_LIBDL
|
||||
errors += lt_dlloader_add (lt_dlloader_next (0), &sys_dl, "dlopen");
|
||||
#endif
|
||||
#if HAVE_SHL_LOAD
|
||||
|
|
@ -1917,6 +2064,18 @@ tryall_dlopen (handle, filename)
|
|||
cur = *handle;
|
||||
if (filename)
|
||||
{
|
||||
/* Comment out the check of file permissions using access.
|
||||
This call seems to always return -1 with error EACCES.
|
||||
*/
|
||||
/* We need to catch missing file errors early so that
|
||||
file_not_found() can detect what happened.
|
||||
if (access (filename, R_OK) != 0)
|
||||
{
|
||||
LT_DLMUTEX_SETERROR (LT_DLSTRERROR (FILE_NOT_FOUND));
|
||||
++errors;
|
||||
goto done;
|
||||
} */
|
||||
|
||||
cur->info.filename = lt_estrdup (filename);
|
||||
if (!cur->info.filename)
|
||||
{
|
||||
|
|
@ -1984,8 +2143,9 @@ tryall_dlopen_module (handle, prefix, dirname, dlname)
|
|||
assert (strchr (dirname, LT_DIRSEP_CHAR) == 0);
|
||||
#endif
|
||||
|
||||
if (dirname[dirname_len -1] == '/')
|
||||
--dirname_len;
|
||||
if (dirname_len > 0)
|
||||
if (dirname[dirname_len -1] == '/')
|
||||
--dirname_len;
|
||||
filename_len = dirname_len + 1 + LT_STRLEN (dlname);
|
||||
|
||||
/* Allocate memory, and combine DIRNAME and MODULENAME into it.
|
||||
|
|
@ -2167,11 +2327,11 @@ foreach_dirinpath (search_path, base_name, func, data1, data2)
|
|||
{
|
||||
int result = 0;
|
||||
int filenamesize = 0;
|
||||
int lenbase = LT_STRLEN (base_name);
|
||||
size_t lenbase = LT_STRLEN (base_name);
|
||||
size_t argz_len = 0;
|
||||
char * argz = 0;
|
||||
char * filename = 0;
|
||||
char * canonical = 0;
|
||||
char *argz = 0;
|
||||
char *filename = 0;
|
||||
char *canonical = 0;
|
||||
|
||||
LT_DLMUTEX_LOCK ();
|
||||
|
||||
|
|
@ -2191,7 +2351,7 @@ foreach_dirinpath (search_path, base_name, func, data1, data2)
|
|||
char *dir_name = 0;
|
||||
while ((dir_name = argz_next (argz, argz_len, dir_name)))
|
||||
{
|
||||
int lendir = LT_STRLEN (dir_name);
|
||||
size_t lendir = LT_STRLEN (dir_name);
|
||||
|
||||
if (lendir +1 +lenbase >= filenamesize)
|
||||
{
|
||||
|
|
@ -2202,7 +2362,9 @@ foreach_dirinpath (search_path, base_name, func, data1, data2)
|
|||
goto cleanup;
|
||||
}
|
||||
|
||||
strncpy (filename, dir_name, lendir);
|
||||
assert (filenamesize > lendir);
|
||||
strcpy (filename, dir_name);
|
||||
|
||||
if (base_name && *base_name)
|
||||
{
|
||||
if (filename[lendir -1] != '/')
|
||||
|
|
@ -2278,11 +2440,11 @@ find_handle_callback (filename, data, ignored)
|
|||
lt_ptr data;
|
||||
lt_ptr ignored;
|
||||
{
|
||||
lt_dlhandle *handle = (lt_dlhandle *) data;
|
||||
int found = access (filename, R_OK);
|
||||
lt_dlhandle *handle = (lt_dlhandle *) data;
|
||||
int notfound = access (filename, R_OK);
|
||||
|
||||
/* Bail out if file cannot be read... */
|
||||
if (!found)
|
||||
if (notfound)
|
||||
return 0;
|
||||
|
||||
/* Try to dlopen the file, but do not continue searching in any
|
||||
|
|
@ -2502,7 +2664,7 @@ trim (dest, str)
|
|||
/* remove the leading and trailing "'" from str
|
||||
and store the result in dest */
|
||||
const char *end = strrchr (str, '\'');
|
||||
int len = LT_STRLEN (str);
|
||||
size_t len = LT_STRLEN (str);
|
||||
char *tmp;
|
||||
|
||||
LT_DLFREE (*dest);
|
||||
|
|
@ -2540,7 +2702,7 @@ free_vars (dlname, oldname, libdir, deplibs)
|
|||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
static int
|
||||
try_dlopen (phandle, filename)
|
||||
lt_dlhandle *phandle;
|
||||
const char *filename;
|
||||
|
|
@ -2627,7 +2789,6 @@ try_dlopen (phandle, filename)
|
|||
char * deplibs = 0;
|
||||
char * line = 0;
|
||||
size_t line_len;
|
||||
int i;
|
||||
|
||||
/* if we can't find the installed flag, it is probably an
|
||||
installed libtool archive, produced with an old version
|
||||
|
|
@ -2643,23 +2804,26 @@ try_dlopen (phandle, filename)
|
|||
}
|
||||
|
||||
/* canonicalize the module name */
|
||||
for (i = 0; i < ext - base_name; ++i)
|
||||
{
|
||||
if (isalnum ((int)(base_name[i])))
|
||||
{
|
||||
name[i] = base_name[i];
|
||||
}
|
||||
else
|
||||
{
|
||||
name[i] = '_';
|
||||
}
|
||||
}
|
||||
name[ext - base_name] = LT_EOS_CHAR;
|
||||
{
|
||||
size_t i;
|
||||
for (i = 0; i < ext - base_name; ++i)
|
||||
{
|
||||
if (isalnum ((int)(base_name[i])))
|
||||
{
|
||||
name[i] = base_name[i];
|
||||
}
|
||||
else
|
||||
{
|
||||
name[i] = '_';
|
||||
}
|
||||
}
|
||||
name[ext - base_name] = LT_EOS_CHAR;
|
||||
}
|
||||
|
||||
/* Now try to open the .la file. If there is no directory name
|
||||
component, try to find it first in user_search_path and then other
|
||||
prescribed paths. Otherwise (or in any case if the module was not
|
||||
yet found) try opening just the module name as passed. */
|
||||
/* Now try to open the .la file. If there is no directory name
|
||||
component, try to find it first in user_search_path and then other
|
||||
prescribed paths. Otherwise (or in any case if the module was not
|
||||
yet found) try opening just the module name as passed. */
|
||||
if (!dir)
|
||||
{
|
||||
const char *search_path;
|
||||
|
|
@ -2718,17 +2882,17 @@ try_dlopen (phandle, filename)
|
|||
/* read the .la file */
|
||||
while (!feof (file))
|
||||
{
|
||||
if (!fgets (line, line_len, file))
|
||||
if (!fgets (line, (int) line_len, file))
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
/* Handle the case where we occasionally need to read a line
|
||||
that is longer than the initial buffer size. */
|
||||
while (line[LT_STRLEN(line) -1] != '\n')
|
||||
while ((line[LT_STRLEN(line) -1] != '\n') && (!feof (file)))
|
||||
{
|
||||
line = LT_DLREALLOC (char, line, line_len *2);
|
||||
if (!fgets (&line[line_len -1], line_len +1, file))
|
||||
if (!fgets (&line[line_len -1], (int) line_len +1, file))
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
|
@ -2876,7 +3040,10 @@ try_dlopen (phandle, filename)
|
|||
#endif
|
||||
)))
|
||||
{
|
||||
tryall_dlopen (&newhandle, filename);
|
||||
if (tryall_dlopen (&newhandle, filename) != 0)
|
||||
{
|
||||
newhandle = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if (!newhandle)
|
||||
|
|
@ -2929,7 +3096,7 @@ lt_dlopen (filename)
|
|||
non-zero. */
|
||||
static int file_not_found LT_PARAMS((void));
|
||||
|
||||
int
|
||||
static int
|
||||
file_not_found ()
|
||||
{
|
||||
const char *error = 0;
|
||||
|
|
@ -2952,7 +3119,7 @@ lt_dlopenext (filename)
|
|||
lt_dlhandle handle = 0;
|
||||
char * tmp = 0;
|
||||
char * ext = 0;
|
||||
int len;
|
||||
size_t len;
|
||||
int errors = 0;
|
||||
|
||||
if (!filename)
|
||||
|
|
@ -2990,7 +3157,7 @@ lt_dlopenext (filename)
|
|||
failed, it is better to return an error message here than to
|
||||
report FILE_NOT_FOUND when the alternatives (foo.so etc) are not
|
||||
in the module search path. */
|
||||
if (handle || ((errors > 0) && file_not_found ()))
|
||||
if (handle || ((errors > 0) && !file_not_found ()))
|
||||
{
|
||||
LT_DLFREE (tmp);
|
||||
return handle;
|
||||
|
|
@ -3017,7 +3184,7 @@ lt_dlopenext (filename)
|
|||
|
||||
/* As before, if the file was found but loading failed, return now
|
||||
with the current error message. */
|
||||
if (handle || ((errors > 0) && file_not_found ()))
|
||||
if (handle || ((errors > 0) && !file_not_found ()))
|
||||
{
|
||||
LT_DLFREE (tmp);
|
||||
return handle;
|
||||
|
|
@ -3032,7 +3199,7 @@ lt_dlopenext (filename)
|
|||
}
|
||||
|
||||
|
||||
int
|
||||
static int
|
||||
lt_argz_insert (pargz, pargz_len, before, entry)
|
||||
char **pargz;
|
||||
size_t *pargz_len;
|
||||
|
|
@ -3058,7 +3225,7 @@ lt_argz_insert (pargz, pargz_len, before, entry)
|
|||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
static int
|
||||
lt_argz_insertinorder (pargz, pargz_len, entry)
|
||||
char **pargz;
|
||||
size_t *pargz_len;
|
||||
|
|
@ -3082,10 +3249,10 @@ lt_argz_insertinorder (pargz, pargz_len, entry)
|
|||
return lt_argz_insert (pargz, pargz_len, before, entry);
|
||||
}
|
||||
|
||||
int lt_argz_insertdir LT_PARAMS((char **pargz, size_t *pargz_len,
|
||||
static int lt_argz_insertdir LT_PARAMS((char **pargz, size_t *pargz_len,
|
||||
const char *dirnam, struct dirent *dp));
|
||||
|
||||
int
|
||||
static int
|
||||
lt_argz_insertdir (pargz, pargz_len, dirnam, dp)
|
||||
char **pargz;
|
||||
size_t *pargz_len;
|
||||
|
|
@ -3154,7 +3321,7 @@ lt_argz_insertdir (pargz, pargz_len, dirnam, dp)
|
|||
static int list_files_by_dir LT_PARAMS((const char *dirnam, char **pargz,
|
||||
size_t *pargz_len));
|
||||
|
||||
int
|
||||
static int
|
||||
list_files_by_dir (dirnam, pargz, pargz_len)
|
||||
const char *dirnam;
|
||||
char **pargz;
|
||||
|
|
@ -3321,6 +3488,9 @@ lt_dlclose (handle)
|
|||
errors += handle->loader->module_close (data, handle->module);
|
||||
errors += unload_deplibs(handle);
|
||||
|
||||
/* It is up to the callers to free the data itself. */
|
||||
LT_DLFREE (handle->caller_data);
|
||||
|
||||
LT_DLFREE (handle->info.filename);
|
||||
LT_DLFREE (handle->info.name);
|
||||
LT_DLFREE (handle);
|
||||
|
|
@ -3345,7 +3515,7 @@ lt_dlsym (handle, symbol)
|
|||
lt_dlhandle handle;
|
||||
const char *symbol;
|
||||
{
|
||||
int lensym;
|
||||
size_t lensym;
|
||||
char lsym[LT_SYMBOL_LENGTH];
|
||||
char *sym;
|
||||
lt_ptr address;
|
||||
|
|
@ -3445,7 +3615,7 @@ lt_dlerror ()
|
|||
return error ? error : LT_DLSTRERROR (UNKNOWN);
|
||||
}
|
||||
|
||||
int
|
||||
static int
|
||||
lt_dlpath_insertdir (ppath, before, dir)
|
||||
char **ppath;
|
||||
char *before;
|
||||
|
|
|
|||
7025
m4/libtool.m4
vendored
7025
m4/libtool.m4
vendored
File diff suppressed because it is too large
Load diff
756
m4/ltdl.m4
756
m4/ltdl.m4
|
|
@ -1,328 +1,428 @@
|
|||
## ltdl.m4 - Configure ltdl for the target system. -*-Shell-script-*-
|
||||
## Copyright (C) 1999-2000 Free Software Foundation, Inc.
|
||||
##
|
||||
## This program is free software; you can redistribute it and/or modify
|
||||
## it under the terms of the GNU General Public License as published by
|
||||
## the Free Software Foundation; either version 2 of the License, or
|
||||
## (at your option) any later version.
|
||||
##
|
||||
## This program is distributed in the hope that it will be useful, but
|
||||
## WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
## General Public License for more details.
|
||||
##
|
||||
## You should have received a copy of the GNU General Public License
|
||||
## along with this program; if not, write to the Free Software
|
||||
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
##
|
||||
## As a special exception to the GNU General Public License, if you
|
||||
## distribute this file as part of a program that contains a
|
||||
## configuration script generated by Autoconf, you may include it under
|
||||
## the same distribution terms that you use for the rest of that program.
|
||||
|
||||
# serial 2 AC_LIB_LTDL
|
||||
|
||||
# AC_LIB_LTDL
|
||||
# -----------
|
||||
# Perform all the checks necessary for compilation of the ltdl objects
|
||||
# -- including compiler checks and header checks.
|
||||
AC_DEFUN(AC_LIB_LTDL,
|
||||
[AC_PREREQ(2.13)
|
||||
AC_REQUIRE([AC_PROG_CC])
|
||||
AC_REQUIRE([AC_C_CONST])
|
||||
AC_REQUIRE([AC_HEADER_STDC])
|
||||
AC_REQUIRE([AC_HEADER_DIRENT])
|
||||
AC_REQUIRE([AC_LIBTOOL_HEADER_ASSERT])
|
||||
AC_REQUIRE([_LT_AC_CHECK_DLFCN])
|
||||
AC_REQUIRE([AC_LTDL_ENABLE_INSTALL])
|
||||
AC_REQUIRE([AC_LTDL_SHLIBEXT])
|
||||
AC_REQUIRE([AC_LTDL_SHLIBPATH])
|
||||
AC_REQUIRE([AC_LTDL_SYSSEARCHPATH])
|
||||
AC_REQUIRE([AC_LTDL_OBJDIR])
|
||||
AC_REQUIRE([AC_LTDL_DLPREOPEN])
|
||||
AC_REQUIRE([AC_LTDL_DLLIB])
|
||||
AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])
|
||||
AC_REQUIRE([AC_LTDL_DLSYM_USCORE])
|
||||
AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS])
|
||||
AC_REQUIRE([AC_LTDL_FUNC_ARGZ])
|
||||
|
||||
AC_CHECK_HEADERS([errno.h malloc.h memory.h stdlib.h stdio.h ctype.h unistd.h])
|
||||
AC_CHECK_HEADERS([dl.h sys/dl.h dld.h])
|
||||
AC_CHECK_HEADERS([string.h strings.h], break)
|
||||
|
||||
AC_CHECK_FUNCS([strchr index], break)
|
||||
AC_CHECK_FUNCS([strrchr rindex], break)
|
||||
AC_CHECK_FUNCS([memcpy bcopy], break)
|
||||
AC_CHECK_FUNCS([memmove strcmp])
|
||||
|
||||
])# AC_LIB_LTDL
|
||||
|
||||
# AC_LTDL_ENABLE_INSTALL
|
||||
# ----------------------
|
||||
AC_DEFUN(AC_LTDL_ENABLE_INSTALL,
|
||||
[AC_ARG_ENABLE(ltdl-install,
|
||||
[ --enable-ltdl-install install libltdl])
|
||||
|
||||
AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno)
|
||||
AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno)
|
||||
])])# AC_LTDL_ENABLE_INSTALL
|
||||
|
||||
# AC_LTDL_SYS_DLOPEN_DEPLIBS
|
||||
# --------------------------
|
||||
AC_DEFUN(AC_LTDL_SYS_DLOPEN_DEPLIBS,
|
||||
[AC_REQUIRE([AC_CANONICAL_HOST])
|
||||
AC_CACHE_CHECK([whether deplibs are loaded by dlopen],
|
||||
libltdl_cv_sys_dlopen_deplibs, [dnl
|
||||
# PORTME does your system automatically load deplibs for dlopen()?
|
||||
libltdl_cv_sys_dlopen_deplibs=unknown
|
||||
case "$host_os" in
|
||||
linux*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
netbsd*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
openbsd*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
solaris*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
esac
|
||||
])
|
||||
if test "$libltdl_cv_sys_dlopen_deplibs" != yes; then
|
||||
AC_DEFINE(LTDL_DLOPEN_DEPLIBS, 1,
|
||||
[Define if the OS needs help to load dependent libraries for dlopen(). ])
|
||||
fi
|
||||
])# AC_LTDL_SYS_DLOPEN_DEPLIBS
|
||||
|
||||
# AC_LTDL_SHLIBEXT
|
||||
# ----------------
|
||||
AC_DEFUN(AC_LTDL_SHLIBEXT,
|
||||
[AC_REQUIRE([_LT_AC_LTCONFIG_HACK])
|
||||
AC_CACHE_CHECK([which extension is used for shared libraries],
|
||||
libltdl_cv_shlibext,
|
||||
[ac_last=
|
||||
for ac_spec in $library_names_spec; do
|
||||
ac_last="$ac_spec"
|
||||
done
|
||||
echo "$ac_last" | [sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//'] > conftest
|
||||
libltdl_cv_shlibext=`cat conftest`
|
||||
rm -f conftest
|
||||
])
|
||||
if test -n "$libltdl_cv_shlibext"; then
|
||||
AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext",
|
||||
[Define to the extension used for shared libraries, say, ".so". ])
|
||||
fi
|
||||
])# AC_LTDL_SHLIBEXT
|
||||
|
||||
# AC_LTDL_SHLIBPATH
|
||||
# -----------------
|
||||
AC_DEFUN(AC_LTDL_SHLIBPATH,
|
||||
[AC_REQUIRE([_LT_AC_LTCONFIG_HACK])
|
||||
AC_CACHE_CHECK([which variable specifies run-time library path],
|
||||
libltdl_cv_shlibpath_var, [libltdl_cv_shlibpath_var="$shlibpath_var"])
|
||||
if test -n "$libltdl_cv_shlibpath_var"; then
|
||||
AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var",
|
||||
[Define to the name of the environment variable that determines the dynamic library search path. ])
|
||||
fi
|
||||
])# AC_LTDL_SHLIBPATH
|
||||
|
||||
# AC_LTDL_SYSSEARCHPATH
|
||||
# ---------------------
|
||||
AC_DEFUN(AC_LTDL_SYSSEARCHPATH,
|
||||
[AC_REQUIRE([_LT_AC_LTCONFIG_HACK])
|
||||
AC_CACHE_CHECK([for the default library search path],
|
||||
libltdl_cv_sys_search_path, [libltdl_cv_sys_search_path="$sys_lib_dlsearch_path_spec"])
|
||||
if test -n "$libltdl_cv_sys_search_path"; then
|
||||
case "$host" in
|
||||
*-*-mingw*) pathsep=";" ;;
|
||||
*) pathsep=":" ;;
|
||||
esac
|
||||
sys_search_path=
|
||||
for dir in $libltdl_cv_sys_search_path; do
|
||||
if test -z "$sys_search_path"; then
|
||||
sys_search_path="$dir"
|
||||
else
|
||||
sys_search_path="$sys_search_path$pathsep$dir"
|
||||
fi
|
||||
done
|
||||
AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path",
|
||||
[Define to the system default library search path. ])
|
||||
fi
|
||||
])# AC_LTDL_SYSSEARCHPATH
|
||||
|
||||
# AC_LTDL_OBJDIR
|
||||
# --------------
|
||||
AC_DEFUN(AC_LTDL_OBJDIR,
|
||||
[AC_CACHE_CHECK([for objdir],
|
||||
libltdl_cv_objdir, [libltdl_cv_objdir="$objdir"
|
||||
if test -n "$objdir"; then
|
||||
:
|
||||
else
|
||||
rm -f .libs 2>/dev/null
|
||||
mkdir .libs 2>/dev/null
|
||||
if test -d .libs; then
|
||||
libltdl_cv_objdir=.libs
|
||||
else
|
||||
# MS-DOS does not allow filenames that begin with a dot.
|
||||
libltdl_cv_objdir=_libs
|
||||
fi
|
||||
rmdir .libs 2>/dev/null
|
||||
fi])
|
||||
AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/",
|
||||
[Define to the sub-directory in which libtool stores uninstalled libraries. ])
|
||||
])# AC_LTDL_OBJDIR
|
||||
|
||||
# AC_LTDL_DLPREOPEN
|
||||
# -----------------
|
||||
AC_DEFUN(AC_LTDL_DLPREOPEN,
|
||||
[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl
|
||||
AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen],
|
||||
libltdl_cv_preloaded_symbols, [dnl
|
||||
if test -n "$global_symbol_pipe"; then
|
||||
libltdl_cv_preloaded_symbols=yes
|
||||
else
|
||||
libltdl_cv_preloaded_symbols=no
|
||||
fi
|
||||
])
|
||||
if test x"$libltdl_cv_preloaded_symbols" = x"yes"; then
|
||||
AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1,
|
||||
[Define if libtool can extract symbol lists from object files. ])
|
||||
fi
|
||||
])# AC_LTDL_DLPREOPEN
|
||||
|
||||
# AC_LTDL_DLLIB
|
||||
# -------------
|
||||
AC_DEFUN(AC_LTDL_DLLIB,
|
||||
[LIBADD_DL=
|
||||
AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
||||
[Define if you have the libdl library or equivalent. ]) LIBADD_DL="-ldl"],
|
||||
[AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
||||
[Define if you have the libdl library or equivalent.])],
|
||||
[AC_CHECK_LIB(svld, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
|
||||
[Define if you have the libdl library or equivalent.]) LIBADD_DL="-lsvld"]
|
||||
)])])
|
||||
AC_CHECK_FUNC(shl_load, [AC_DEFINE(HAVE_SHL_LOAD, 1,
|
||||
[Define if you have the shl_load function.])],
|
||||
[AC_CHECK_LIB(dld, shl_load,
|
||||
[AC_DEFINE(HAVE_SHL_LOAD, 1,
|
||||
[Define if you have the shl_load function.])
|
||||
LIBADD_DL="$LIBADD_DL -ldld"])
|
||||
])
|
||||
AC_CHECK_LIB(dld, dld_link, [AC_DEFINE(HAVE_DLD, 1,
|
||||
[Define if you have the GNU dld library.])dnl
|
||||
test "x$ac_cv_lib_dld_shl_load" = yes || LIBADD_DL="$LIBADD_DL -ldld"])
|
||||
AC_SUBST(LIBADD_DL)
|
||||
|
||||
if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then
|
||||
LIBS_SAVE="$LIBS"
|
||||
LIBS="$LIBS $LIBADD_DL"
|
||||
AC_CHECK_FUNCS(dlerror)
|
||||
LIBS="$LIBS_SAVE"
|
||||
fi
|
||||
])# AC_LTDL_DLLIB
|
||||
|
||||
# AC_LTDL_SYMBOL_USCORE
|
||||
# ---------------------
|
||||
AC_DEFUN(AC_LTDL_SYMBOL_USCORE,
|
||||
[dnl does the compiler prefix global symbols with an underscore?
|
||||
AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl
|
||||
AC_MSG_CHECKING([for _ prefix in compiled symbols])
|
||||
AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
|
||||
[ac_cv_sys_symbol_underscore=no
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
void nm_test_func(){}
|
||||
int main(){nm_test_func;return 0;}
|
||||
EOF
|
||||
if AC_TRY_EVAL(ac_compile); then
|
||||
# Now try to grab the symbols.
|
||||
ac_nlist=conftest.nm
|
||||
if AC_TRY_EVAL(NM conftest.$ac_objext \| $global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
|
||||
# See whether the symbols have a leading underscore.
|
||||
if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
|
||||
ac_cv_sys_symbol_underscore=yes
|
||||
else
|
||||
if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
|
||||
:
|
||||
else
|
||||
echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
|
||||
fi
|
||||
fi
|
||||
else
|
||||
echo "configure: cannot run $global_symbol_pipe" >&AC_FD_CC
|
||||
fi
|
||||
else
|
||||
echo "configure: failed program was:" >&AC_FD_CC
|
||||
cat conftest.c >&AC_FD_CC
|
||||
fi
|
||||
rm -rf conftest*
|
||||
])
|
||||
AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
|
||||
])# AC_LTDL_SYMBOL_USCORE
|
||||
|
||||
|
||||
# AC_LTDL_DLSYM_USCORE
|
||||
# --------------------
|
||||
AC_DEFUN(AC_LTDL_DLSYM_USCORE,
|
||||
[AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl
|
||||
if test x"$ac_cv_sys_symbol_underscore" = xyes; then
|
||||
if test x"$ac_cv_func_dlopen" = xyes ||
|
||||
test x"$ac_cv_lib_dl_dlopen" = xyes ; then
|
||||
AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
|
||||
libltdl_cv_need_uscore, [dnl
|
||||
libltdl_cv_need_uscore=unknown
|
||||
save_LIBS="$LIBS"
|
||||
LIBS="$LIBS $LIBADD_DL"
|
||||
_LT_AC_TRY_DLOPEN_SELF(
|
||||
libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes,
|
||||
[], libltdl_cv_need_uscore=cross)
|
||||
LIBS="$save_LIBS"
|
||||
])
|
||||
fi
|
||||
fi
|
||||
|
||||
if test x"$libltdl_cv_need_uscore" = xyes; then
|
||||
AC_DEFINE(NEED_USCORE, 1,
|
||||
[Define if dlsym() requires a leading underscode in symbol names. ])
|
||||
fi
|
||||
])# AC_LTDL_DLSYM_USCORE
|
||||
|
||||
|
||||
# AC_CHECK_TYPES(TYPES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
|
||||
# [INCLUDES])
|
||||
# ---------------------------------------------------------------
|
||||
# This macro did not exist in Autoconf 2.13, which we do still support
|
||||
ifdef([AC_CHECK_TYPES], [],
|
||||
[define([AC_CHECK_TYPES],
|
||||
[AC_CACHE_CHECK([for $1], ac_Type,
|
||||
[AC_TRY_LINK([$4],
|
||||
[if (($1 *) 0)
|
||||
return 0;
|
||||
if (sizeof ($1))
|
||||
return 0;],
|
||||
[ac_Type=yes],
|
||||
[ac_Type=no])])
|
||||
if test "x$ac_Type" = xyes; then
|
||||
ifelse([$2], [], [:], [$2])
|
||||
else
|
||||
ifelse([$3], [], [:], [$3])
|
||||
fi])
|
||||
])# AC_CHECK_TYPES
|
||||
|
||||
|
||||
# AC_LTDL_FUNC_ARGZ
|
||||
# -----------------
|
||||
AC_DEFUN([AC_LTDL_FUNC_ARGZ],
|
||||
[AC_CHECK_HEADERS([argz.h])
|
||||
|
||||
AC_CHECK_TYPES([error_t],
|
||||
[],
|
||||
[AC_DEFINE([error_t], [int],
|
||||
[Define to a type to use for \`error_t' if it is not otherwise available.])],
|
||||
[#if HAVE_ARGZ_H
|
||||
# include <argz.h>
|
||||
#endif])
|
||||
|
||||
AC_CHECK_FUNCS([argz_append argz_create_sep argz_insert argz_next argz_stringify])
|
||||
])# AC_LTDL_FUNC_ARGZ
|
||||
## ltdl.m4 - Configure ltdl for the target system. -*-Autoconf-*-
|
||||
## Copyright (C) 1999-2000 Free Software Foundation, Inc.
|
||||
##
|
||||
## This program is free software; you can redistribute it and/or modify
|
||||
## it under the terms of the GNU General Public License as published by
|
||||
## the Free Software Foundation; either version 2 of the License, or
|
||||
## (at your option) any later version.
|
||||
##
|
||||
## This program is distributed in the hope that it will be useful, but
|
||||
## WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
## General Public License for more details.
|
||||
##
|
||||
## You should have received a copy of the GNU General Public License
|
||||
## along with this program; if not, write to the Free Software
|
||||
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
##
|
||||
## As a special exception to the GNU General Public License, if you
|
||||
## distribute this file as part of a program that contains a
|
||||
## configuration script generated by Autoconf, you may include it under
|
||||
## the same distribution terms that you use for the rest of that program.
|
||||
|
||||
# serial 6 AC_LIB_LTDL
|
||||
|
||||
# AC_WITH_LTDL
|
||||
# ------------
|
||||
# Clients of libltdl can use this macro to allow the installer to
|
||||
# choose between a shipped copy of the ltdl sources or a preinstalled
|
||||
# version of the library.
|
||||
AC_DEFUN([AC_WITH_LTDL],
|
||||
[AC_REQUIRE([AC_LIB_LTDL])
|
||||
AC_SUBST([LIBLTDL])
|
||||
AC_SUBST([INCLTDL])
|
||||
|
||||
# Unless the user asks us to check, assume no installed ltdl exists.
|
||||
use_installed_libltdl=no
|
||||
|
||||
AC_ARG_WITH([included_ltdl],
|
||||
[ --with-included-ltdl use the GNU ltdl sources included here])
|
||||
|
||||
if test "x$with_included_ltdl" != xyes; then
|
||||
# We are not being forced to use the included libltdl sources, so
|
||||
# decide whether there is a useful installed version we can use.
|
||||
AC_CHECK_HEADER([ltdl.h],
|
||||
[AC_CHECK_LIB([ltdl], [lt_dlcaller_register],
|
||||
[with_included_ltdl=no],
|
||||
[with_included_ltdl=yes])
|
||||
])
|
||||
fi
|
||||
|
||||
if test "x$enable_ltdl_install" != xyes; then
|
||||
# If the user did not specify an installable libltdl, then default
|
||||
# to a convenience lib.
|
||||
AC_LIBLTDL_CONVENIENCE
|
||||
fi
|
||||
|
||||
if test "x$with_included_ltdl" = xno; then
|
||||
# If the included ltdl is not to be used. then Use the
|
||||
# preinstalled libltdl we found.
|
||||
AC_DEFINE([HAVE_LTDL], 1,
|
||||
[Define this if a modern libltdl is already installed])
|
||||
LIBLTDL=-lltdl
|
||||
fi
|
||||
|
||||
# Report our decision...
|
||||
AC_MSG_CHECKING([whether to use included libltdl])
|
||||
AC_MSG_RESULT([$with_included_ltdl])
|
||||
|
||||
AC_CONFIG_SUBDIRS([libltdl])
|
||||
])# AC_WITH_LTDL
|
||||
|
||||
|
||||
# AC_LIB_LTDL
|
||||
# -----------
|
||||
# Perform all the checks necessary for compilation of the ltdl objects
|
||||
# -- including compiler checks and header checks.
|
||||
AC_DEFUN([AC_LIB_LTDL],
|
||||
[AC_PREREQ(2.50)
|
||||
AC_REQUIRE([AC_PROG_CC])
|
||||
AC_REQUIRE([AC_C_CONST])
|
||||
AC_REQUIRE([AC_HEADER_STDC])
|
||||
AC_REQUIRE([AC_HEADER_DIRENT])
|
||||
AC_REQUIRE([_LT_AC_CHECK_DLFCN])
|
||||
AC_REQUIRE([AC_LTDL_ENABLE_INSTALL])
|
||||
AC_REQUIRE([AC_LTDL_SHLIBEXT])
|
||||
AC_REQUIRE([AC_LTDL_SHLIBPATH])
|
||||
AC_REQUIRE([AC_LTDL_SYSSEARCHPATH])
|
||||
AC_REQUIRE([AC_LTDL_OBJDIR])
|
||||
AC_REQUIRE([AC_LTDL_DLPREOPEN])
|
||||
AC_REQUIRE([AC_LTDL_DLLIB])
|
||||
AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])
|
||||
AC_REQUIRE([AC_LTDL_DLSYM_USCORE])
|
||||
AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS])
|
||||
AC_REQUIRE([AC_LTDL_FUNC_ARGZ])
|
||||
|
||||
AC_CHECK_HEADERS([assert.h ctype.h errno.h malloc.h memory.h stdlib.h \
|
||||
stdio.h unistd.h])
|
||||
AC_CHECK_HEADERS([dl.h sys/dl.h dld.h])
|
||||
AC_CHECK_HEADERS([string.h strings.h], [break])
|
||||
|
||||
AC_CHECK_FUNCS([strchr index], [break])
|
||||
AC_CHECK_FUNCS([strrchr rindex], [break])
|
||||
AC_CHECK_FUNCS([memcpy bcopy], [break])
|
||||
AC_CHECK_FUNCS([memmove strcmp])
|
||||
AC_CHECK_FUNCS([closedir opendir readdir])
|
||||
])# AC_LIB_LTDL
|
||||
|
||||
|
||||
# AC_LTDL_ENABLE_INSTALL
|
||||
# ----------------------
|
||||
AC_DEFUN([AC_LTDL_ENABLE_INSTALL],
|
||||
[AC_ARG_ENABLE([ltdl-install],
|
||||
[AC_HELP_STRING([--enable-ltdl-install], [install libltdl])])
|
||||
|
||||
AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno)
|
||||
AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno)
|
||||
])])# AC_LTDL_ENABLE_INSTALL
|
||||
|
||||
|
||||
# AC_LTDL_SYS_DLOPEN_DEPLIBS
|
||||
# --------------------------
|
||||
AC_DEFUN([AC_LTDL_SYS_DLOPEN_DEPLIBS],
|
||||
[AC_REQUIRE([AC_CANONICAL_HOST])
|
||||
AC_CACHE_CHECK([whether deplibs are loaded by dlopen],
|
||||
[libltdl_cv_sys_dlopen_deplibs],
|
||||
[# PORTME does your system automatically load deplibs for dlopen?
|
||||
# or its logical equivalent (e.g. shl_load for HP-UX < 11)
|
||||
# For now, we just catch OSes we know something about -- in the
|
||||
# future, we'll try test this programmatically.
|
||||
libltdl_cv_sys_dlopen_deplibs=unknown
|
||||
case "$host_os" in
|
||||
aix3*|aix4.1.*|aix4.2.*)
|
||||
# Unknown whether this is true for these versions of AIX, but
|
||||
# we want this `case' here to explicitly catch those versions.
|
||||
libltdl_cv_sys_dlopen_deplibs=unknown
|
||||
;;
|
||||
aix[[45]]*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
gnu*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
hpux10*|hpux11*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
irix[[12345]]*|irix6.[[01]]*)
|
||||
# Catch all versions of IRIX before 6.2, and indicate that we don't
|
||||
# know how it worked for any of those versions.
|
||||
libltdl_cv_sys_dlopen_deplibs=unknown
|
||||
;;
|
||||
irix*)
|
||||
# The case above catches anything before 6.2, and it's known that
|
||||
# at 6.2 and later dlopen does load deplibs.
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
linux*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
netbsd*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
openbsd*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
osf[[1234]]*)
|
||||
# dlopen did load deplibs (at least at 4.x), but until the 5.x series,
|
||||
# it did *not* use an RPATH in a shared library to find objects the
|
||||
# library depends on, so we explictly say `no'.
|
||||
libltdl_cv_sys_dlopen_deplibs=no
|
||||
;;
|
||||
osf5.0|osf5.0a|osf5.1)
|
||||
# dlopen *does* load deplibs and with the right loader patch applied
|
||||
# it even uses RPATH in a shared library to search for shared objects
|
||||
# that the library depends on, but there's no easy way to know if that
|
||||
# patch is installed. Since this is the case, all we can really
|
||||
# say is unknown -- it depends on the patch being installed. If
|
||||
# it is, this changes to `yes'. Without it, it would be `no'.
|
||||
libltdl_cv_sys_dlopen_deplibs=unknown
|
||||
;;
|
||||
osf*)
|
||||
# the two cases above should catch all versions of osf <= 5.1. Read
|
||||
# the comments above for what we know about them.
|
||||
# At > 5.1, deplibs are loaded *and* any RPATH in a shared library
|
||||
# is used to find them so we can finally say `yes'.
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
solaris*)
|
||||
libltdl_cv_sys_dlopen_deplibs=yes
|
||||
;;
|
||||
esac
|
||||
])
|
||||
if test "$libltdl_cv_sys_dlopen_deplibs" != yes; then
|
||||
AC_DEFINE([LTDL_DLOPEN_DEPLIBS], [1],
|
||||
[Define if the OS needs help to load dependent libraries for dlopen().])
|
||||
fi
|
||||
])# AC_LTDL_SYS_DLOPEN_DEPLIBS
|
||||
|
||||
|
||||
# AC_LTDL_SHLIBEXT
|
||||
# ----------------
|
||||
AC_DEFUN([AC_LTDL_SHLIBEXT],
|
||||
[AC_REQUIRE([AC_LIBTOOL_SYS_DYNAMIC_LINKER])
|
||||
AC_CACHE_CHECK([which extension is used for shared libraries],
|
||||
[libltdl_cv_shlibext],
|
||||
[ac_last=
|
||||
for ac_spec in $library_names_spec; do
|
||||
ac_last="$ac_spec"
|
||||
done
|
||||
echo "$ac_last" | [sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//'] > conftest
|
||||
libltdl_cv_shlibext=`cat conftest`
|
||||
rm -f conftest
|
||||
])
|
||||
if test -n "$libltdl_cv_shlibext"; then
|
||||
AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext",
|
||||
[Define to the extension used for shared libraries, say, ".so".])
|
||||
fi
|
||||
])# AC_LTDL_SHLIBEXT
|
||||
|
||||
|
||||
# AC_LTDL_SHLIBPATH
|
||||
# -----------------
|
||||
AC_DEFUN([AC_LTDL_SHLIBPATH],
|
||||
[AC_REQUIRE([AC_LIBTOOL_SYS_DYNAMIC_LINKER])
|
||||
AC_CACHE_CHECK([which variable specifies run-time library path],
|
||||
[libltdl_cv_shlibpath_var], [libltdl_cv_shlibpath_var="$shlibpath_var"])
|
||||
if test -n "$libltdl_cv_shlibpath_var"; then
|
||||
AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var",
|
||||
[Define to the name of the environment variable that determines the dynamic library search path.])
|
||||
fi
|
||||
])# AC_LTDL_SHLIBPATH
|
||||
|
||||
|
||||
# AC_LTDL_SYSSEARCHPATH
|
||||
# ---------------------
|
||||
AC_DEFUN([AC_LTDL_SYSSEARCHPATH],
|
||||
[AC_REQUIRE([AC_LIBTOOL_SYS_DYNAMIC_LINKER])
|
||||
AC_CACHE_CHECK([for the default library search path],
|
||||
[libltdl_cv_sys_search_path],
|
||||
[libltdl_cv_sys_search_path="$sys_lib_dlsearch_path_spec"])
|
||||
if test -n "$libltdl_cv_sys_search_path"; then
|
||||
sys_search_path=
|
||||
for dir in $libltdl_cv_sys_search_path; do
|
||||
if test -z "$sys_search_path"; then
|
||||
sys_search_path="$dir"
|
||||
else
|
||||
sys_search_path="$sys_search_path$PATH_SEPARATOR$dir"
|
||||
fi
|
||||
done
|
||||
AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path",
|
||||
[Define to the system default library search path.])
|
||||
fi
|
||||
])# AC_LTDL_SYSSEARCHPATH
|
||||
|
||||
|
||||
# AC_LTDL_OBJDIR
|
||||
# --------------
|
||||
AC_DEFUN([AC_LTDL_OBJDIR],
|
||||
[AC_CACHE_CHECK([for objdir],
|
||||
[libltdl_cv_objdir],
|
||||
[libltdl_cv_objdir="$objdir"
|
||||
if test -n "$objdir"; then
|
||||
:
|
||||
else
|
||||
rm -f .libs 2>/dev/null
|
||||
mkdir .libs 2>/dev/null
|
||||
if test -d .libs; then
|
||||
libltdl_cv_objdir=.libs
|
||||
else
|
||||
# MS-DOS does not allow filenames that begin with a dot.
|
||||
libltdl_cv_objdir=_libs
|
||||
fi
|
||||
rmdir .libs 2>/dev/null
|
||||
fi
|
||||
])
|
||||
AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/",
|
||||
[Define to the sub-directory in which libtool stores uninstalled libraries.])
|
||||
])# AC_LTDL_OBJDIR
|
||||
|
||||
|
||||
# AC_LTDL_DLPREOPEN
|
||||
# -----------------
|
||||
AC_DEFUN([AC_LTDL_DLPREOPEN],
|
||||
[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])
|
||||
AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen],
|
||||
[libltdl_cv_preloaded_symbols],
|
||||
[if test -n "$lt_cv_sys_global_symbol_pipe"; then
|
||||
libltdl_cv_preloaded_symbols=yes
|
||||
else
|
||||
libltdl_cv_preloaded_symbols=no
|
||||
fi
|
||||
])
|
||||
if test x"$libltdl_cv_preloaded_symbols" = xyes; then
|
||||
AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1,
|
||||
[Define if libtool can extract symbol lists from object files.])
|
||||
fi
|
||||
])# AC_LTDL_DLPREOPEN
|
||||
|
||||
|
||||
# AC_LTDL_DLLIB
|
||||
# -------------
|
||||
AC_DEFUN([AC_LTDL_DLLIB],
|
||||
[LIBADD_DL=
|
||||
AC_SUBST(LIBADD_DL)
|
||||
AC_LANG_PUSH([C])
|
||||
|
||||
AC_CHECK_FUNC([shl_load],
|
||||
[AC_DEFINE([HAVE_SHL_LOAD], [1],
|
||||
[Define if you have the shl_load function.])],
|
||||
[AC_CHECK_LIB([dld], [shl_load],
|
||||
[AC_DEFINE([HAVE_SHL_LOAD], [1],
|
||||
[Define if you have the shl_load function.])
|
||||
LIBADD_DL="$LIBADD_DL -ldld"],
|
||||
[AC_CHECK_LIB([dl], [dlopen],
|
||||
[AC_DEFINE([HAVE_LIBDL], [1],
|
||||
[Define if you have the libdl library or equivalent.])
|
||||
LIBADD_DL="-ldl" libltdl_cv_lib_dl_dlopen="yes"],
|
||||
[AC_TRY_LINK([#if HAVE_DLFCN_H
|
||||
# include <dlfcn.h>
|
||||
#endif
|
||||
],
|
||||
[dlopen(0, 0);],
|
||||
[AC_DEFINE([HAVE_LIBDL], [1],
|
||||
[Define if you have the libdl library or equivalent.]) libltdl_cv_func_dlopen="yes"],
|
||||
[AC_CHECK_LIB([svld], [dlopen],
|
||||
[AC_DEFINE([HAVE_LIBDL], [1],
|
||||
[Define if you have the libdl library or equivalent.])
|
||||
LIBADD_DL="-lsvld" libltdl_cv_func_dlopen="yes"],
|
||||
[AC_CHECK_LIB([dld], [dld_link],
|
||||
[AC_DEFINE([HAVE_DLD], [1],
|
||||
[Define if you have the GNU dld library.])
|
||||
LIBADD_DL="$LIBADD_DL -ldld"
|
||||
])
|
||||
])
|
||||
])
|
||||
])
|
||||
])
|
||||
])
|
||||
|
||||
if test x"$libltdl_cv_func_dlopen" = xyes || test x"$libltdl_cv_lib_dl_dlopen" = xyes
|
||||
then
|
||||
lt_save_LIBS="$LIBS"
|
||||
LIBS="$LIBS $LIBADD_DL"
|
||||
AC_CHECK_FUNCS([dlerror])
|
||||
LIBS="$lt_save_LIBS"
|
||||
fi
|
||||
AC_LANG_POP
|
||||
])# AC_LTDL_DLLIB
|
||||
|
||||
|
||||
# AC_LTDL_SYMBOL_USCORE
|
||||
# ---------------------
|
||||
# does the compiler prefix global symbols with an underscore?
|
||||
AC_DEFUN([AC_LTDL_SYMBOL_USCORE],
|
||||
[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])
|
||||
AC_CACHE_CHECK([for _ prefix in compiled symbols],
|
||||
[ac_cv_sys_symbol_underscore],
|
||||
[ac_cv_sys_symbol_underscore=no
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
void nm_test_func(){}
|
||||
int main(){nm_test_func;return 0;}
|
||||
EOF
|
||||
if AC_TRY_EVAL(ac_compile); then
|
||||
# Now try to grab the symbols.
|
||||
ac_nlist=conftest.nm
|
||||
if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
|
||||
# See whether the symbols have a leading underscore.
|
||||
if grep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
|
||||
ac_cv_sys_symbol_underscore=yes
|
||||
else
|
||||
if grep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
|
||||
:
|
||||
else
|
||||
echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
|
||||
fi
|
||||
fi
|
||||
else
|
||||
echo "configure: cannot run $lt_cv_sys_global_symbol_pipe" >&AC_FD_CC
|
||||
fi
|
||||
else
|
||||
echo "configure: failed program was:" >&AC_FD_CC
|
||||
cat conftest.c >&AC_FD_CC
|
||||
fi
|
||||
rm -rf conftest*
|
||||
])
|
||||
])# AC_LTDL_SYMBOL_USCORE
|
||||
|
||||
|
||||
# AC_LTDL_DLSYM_USCORE
|
||||
# --------------------
|
||||
AC_DEFUN([AC_LTDL_DLSYM_USCORE],
|
||||
[AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])
|
||||
if test x"$ac_cv_sys_symbol_underscore" = xyes; then
|
||||
if test x"$libltdl_cv_func_dlopen" = xyes ||
|
||||
test x"$libltdl_cv_lib_dl_dlopen" = xyes ; then
|
||||
AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
|
||||
[libltdl_cv_need_uscore],
|
||||
[libltdl_cv_need_uscore=unknown
|
||||
save_LIBS="$LIBS"
|
||||
LIBS="$LIBS $LIBADD_DL"
|
||||
_LT_AC_TRY_DLOPEN_SELF(
|
||||
[libltdl_cv_need_uscore=no], [libltdl_cv_need_uscore=yes],
|
||||
[], [libltdl_cv_need_uscore=cross])
|
||||
LIBS="$save_LIBS"
|
||||
])
|
||||
fi
|
||||
fi
|
||||
|
||||
if test x"$libltdl_cv_need_uscore" = xyes; then
|
||||
AC_DEFINE(NEED_USCORE, 1,
|
||||
[Define if dlsym() requires a leading underscore in symbol names.])
|
||||
fi
|
||||
])# AC_LTDL_DLSYM_USCORE
|
||||
|
||||
# AC_LTDL_FUNC_ARGZ
|
||||
# -----------------
|
||||
AC_DEFUN([AC_LTDL_FUNC_ARGZ],
|
||||
[AC_CHECK_HEADERS([argz.h])
|
||||
|
||||
AC_CHECK_TYPES([error_t],
|
||||
[],
|
||||
[AC_DEFINE([error_t], [int],
|
||||
[Define to a type to use for `error_t' if it is not otherwise available.])],
|
||||
[#if HAVE_ARGZ_H
|
||||
# include <argz.h>
|
||||
#endif])
|
||||
|
||||
AC_CHECK_FUNCS([argz_append argz_create_sep argz_insert argz_next argz_stringify])
|
||||
])# AC_LTDL_FUNC_ARGZ
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue