Re: 2.2.6: libltdlcS.c:22: error: 'lt_ptr' undeclared here (not in a function)

[Akim Demaille]

Le 17 nov. 08 à 20:03, Ralf Wildenhues a écrit :

> Hi Akim,

Hi Ralf!

> * Akim Demaille wrote on Mon, Nov 17, 2008 at 04:19:42PM CET:
> > I'm using Libtool 2.2.6 with a convenience libltdl in libltdl.  I'm
> > under the OSX.
>
> Is that the Libtool package, or inside a different package?

It's in a package into which I try to embed libltdl:

> diff --git a/Makefile.am b/Makefile.am
> index 230f3bd..8df4a1d 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -1,7 +1,9 @@
>  include $(top_srcdir)/build-aux/build-aux.mk
>
> -# That's where aclocal extensions are.
>  ACLOCAL_AMFLAGS = -I build-aux -I sdk
> +libtool: $(LIBTOOL_DEPS)
> +       $(SHELL) ./config.status --recheck
> +include libltdl/Makefile.inc
>
>  SUBDIRS =                                      \
>    .                                            \
> diff --git a/configure.ac b/configure.ac
> index 428a8bb..44d98eb 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -15,6 +15,7 @@ URBI_PACKAGE_COPYRIGHT([Gostai SAS], [2004-2008])
>
>  # Auxiliary files.
>  AC_CONFIG_AUX_DIR([build-aux])
> +AC_CONFIG_MACRO_DIR([build-aux])
>  URBI_BUILD_AUX
>
>  # Automake.
> @@ -27,10 +28,14 @@ URBI_DIRS([remote])
>  AC_PROG_CC
>  URBI_PROG_CXX
>
> -# Disable static libraries. Loading modules as shared libraries
> -# requires us to be one.
> -AC_ENABLE_STATIC([no])
> -AC_PROG_LIBTOOL
> +LT_PREREQ([2.2.6])
> +LT_CONFIG_LTDL_DIR([libltdl])
> +LT_INIT([pic-only shared disable-static dlopen win32-dll])
> +LTDL_INIT([nonrecursive])
> +# Name the subdirectory that contains libltdl sources
> +AC_SUBST([LIBTOOL_DEPS])
>
>  URBI_SDK
>
> @@ -51,8 +56,6 @@ AC_CONFIG_FILES([lib/libport/Makefile])
>
>  BOOST_REQUIRE([1.35])
>
> -URBI_WITH_LTDL
> -
>  # X11.
>  # AC_PATH_XTRA will find us X11 headers even if we are cross- 
> compiling for windows
>  case $ac_cv_host in


> There is some mismatch of versions going on, 2.2.x does not use  
> lt_ptr.

Bummer.  I must have screwed my bootstrap then.  I'll try to see what  
went wrong now that I know what I'm looking for.

> Please post './libtool --config' output.

I suppose that global_symbol_to_c_name_address does not look like it  
should.

$ ./_build/i386-apple-darwin9.5.0/libtool --config

# Which release of libtool.m4 was used?
macro_version=2.2.6
macro_revision=1.3012

# What type of objects to build.
pic_mode=default

# Whether or not to build shared libraries.
build_libtool_libs=yes

# Whether or not to build static libraries.
build_old_libs=no

# Assembler program.
AS=as

# DLL creation program.
DLLTOOL=dlltool

# Object dumper program.
OBJDUMP=false

# Whether or not to optimize for fast installation.
fast_install=needless

# The host system.
host_alias=
host=i386-apple-darwin9.5.0
host_os=darwin9.5.0

# The build system.
build_alias=
build=i386-apple-darwin9.5.0
build_os=darwin9.5.0

# A sed program that does not truncate output.
SED="/opt/local/bin/gsed"

# Sed that helps us avoid accidentally triggering echo(1) options like  
-n.
Xsed="$SED -e 1s/^X//"

# A grep program that handles long lines.
GREP="/usr/bin/grep"

# An ERE matcher.
EGREP="/usr/bin/grep -E"

# A literal string matcher.
FGREP="/usr/bin/grep -F"

# A BSD- or MS-compatible name lister.
NM="/usr/bin/nm -p"

# Whether we need soft or hard links.
LN_S="ln -s"

# What is the maximum length of a command?
max_cmd_len=196608

# Object file suffix (normally "o").
objext=o

# Executable file suffix (normally "").
exeext=

# whether the shell understands "unset".
lt_unset=unset

# turn spaces into newlines.
SP2NL="tr \\040 \\012"

# turn newlines into spaces.
NL2SP="tr \\015\\012 \\040\\040"

# How to create reloadable object files.
reload_flag=" -r"
reload_cmds="\$LTCC \$LTCFLAGS -nostdlib \${wl}-r -o \$output\ 
$reload_objs"

# Method to check whether dependent libraries are shared objects.
deplibs_check_method="pass_all"

# Command to use when deplibs_check_method == "file_magic".
file_magic_cmd="\$MAGIC_CMD"

# The archiver.
AR="ar"
AR_FLAGS="cru"

# A symbol stripping program.
STRIP="strip"

# Commands used to install an old-style archive.
RANLIB="ranlib"
old_postinstall_cmds="chmod 644 \$oldlib~\$RANLIB \$oldlib"
old_postuninstall_cmds=""

# A C compiler.
LTCC="ccache i686-apple-darwin9-gcc-4.0.1"

# LTCC compiler flags.
LTCFLAGS="-g -O2 -O2 -ggdb"

# Take the output of nm and produce a listing of raw symbols and C  
names.
global_symbol_pipe="sed -n -e 's/^.*[ 	]\\([BCDEGRST][BCDEGRST]*\\)[ 	] 
[ 	]*_\\([_A-Za-z][_A-Za-z0-9]*\\)\$/\\1 _\\2 \\2/p'"

# Transform the output of nm in a proper C declaration.
global_symbol_to_cdecl="sed -n -e 's/^. .* \\(.*\\)\$/extern int \\1;/ 
p'"

# Transform the output of nm in a C name address pair.
global_symbol_to_c_name_address="sed -n -e 's/^: \\([^ ]*\\) \$/  {\\ 
\"\\1\\\", (lt_ptr) 0},/p' -e 's/^[BCDEGRST] \\([^ ]*\\) \\([^ ]*\\)\ 
$/  {\"\\2\", (lt_ptr) \\&\\2},/p'"

# Transform the output of nm in a C name address pair when lib prefix  
is needed.
global_symbol_to_c_name_address_lib_prefix=""

# The name of the directory that contains temporary libtool files.
objdir=.libs

# Shell to use when invoking shell scripts.
SHELL="/bin/sh"

# An echo program that does not interpret backslashes.
ECHO="/bin/echo"

# Used to examine libraries when file_magic_cmd begins with "file".
MAGIC_CMD=file

# Must we lock files when doing compilation?
need_locks="no"

# Tool to manipulate archived DWARF debug symbol files on Mac OS X.
DSYMUTIL="dsymutil"

# Tool to change global to local symbols on Mac OS X.
NMEDIT="nmedit"

# Tool to manipulate fat objects and archives on Mac OS X.
LIPO="lipo"

# ldd/readelf like tool for Mach-O binaries on Mac OS X.
OTOOL="otool"

# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4.
OTOOL64="otool64"

# Old archive suffix (normally "a").
libext=a

# Shared library suffix (normally ".so").
shrext_cmds="\`test .\$module = .yes && echo .so || echo .dylib\`"

# The commands to extract the exported symbol list from a shared  
archive.
extract_expsyms_cmds=""

# Variables whose values should be saved in libtool wrapper scripts and
# restored at link time.
variables_saved_for_relink="PATH DYLD_LIBRARY_PATH  GCC_EXEC_PREFIX  
COMPILER_PATH LIBRARY_PATH"

# Do we need the "lib" prefix for modules?
need_lib_prefix=no

# Do we need a version for libraries?
need_version=no

# Library versioning type.
version_type=darwin

# Shared library runtime path variable.
runpath_var=

# Shared library path variable.
shlibpath_var=DYLD_LIBRARY_PATH

# Is shlibpath searched before the hard-coded library search path?
shlibpath_overrides_runpath=yes

# Format of library name prefix.
libname_spec="lib\$name"

# List of archive names.  First name is the real one, the rest are  
links.
# The last name is the one that the linker finds with -lNAME
library_names_spec="\${libname}\${release}\${major}\$shared_ext \$ 
{libname}\$shared_ext"

# The coded name of the library, if different from the real name.
soname_spec="\${libname}\${release}\${major}\$shared_ext"

# Command to use after installation of a shared archive.
postinstall_cmds=""

# Command to use after uninstallation of a shared archive.
postuninstall_cmds=""

# Commands used to finish a libtool library installation in a directory.
finish_cmds=""

# As "finish_cmds", except a single script fragment to be evaled but
# not shown.
finish_eval=""

# Whether we should hardcode library paths into libraries.
hardcode_into_libs=no

# Compile-time system search path for libraries.
sys_lib_search_path_spec="/usr/lib/i686-apple-darwin9/4.0.1 /usr/lib / 
usr/lib/gcc/i686-apple-darwin9/4.0.1 /usr/local/lib"

# Run-time system search path for libraries.
sys_lib_dlsearch_path_spec="/usr/local/lib /lib /usr/lib"

# Whether dlopen is supported.
dlopen_support=yes

# Whether dlopen of programs is supported.
dlopen_self=yes

# Whether dlopen of statically linked programs is supported.
dlopen_self_static=yes

# Commands to strip libraries.
old_striplib="strip -S"
striplib="strip -x"


# The linker used to build libraries.
LD="/usr/libexec/gcc/i686-apple-darwin9/4.0.1/ld"

# Commands used to build an old-style archive.
old_archive_cmds="\$AR \$AR_FLAGS \$oldlib\$oldobjs~\$RANLIB \$oldlib"

# A language specific compiler.
CC="ccache i686-apple-darwin9-gcc-4.0.1"

# Is the compiler the GNU compiler?
with_gcc=yes

# Compiler flag to turn off builtin functions.
no_builtin_flag=" -fno-builtin"

# How to pass a linker flag through the compiler.
wl="-Wl,"

# Additional compiler flags for building library objects.
pic_flag=" -fno-common -DPIC"

# Compiler flag to prevent dynamic linking.
link_static_flag=""

# Does compiler simultaneously support -c and -o options?
compiler_c_o="yes"

# Whether or not to add -lc for building shared libraries.
build_libtool_need_lc=no

# Whether or not to disallow shared libs when runtime libs are static.
allow_libtool_libs_with_static_runtimes=no

# Compiler flag to allow reflexive dlopens.
export_dynamic_flag_spec=""

# Compiler flag to generate shared objects directly from archives.
whole_archive_flag_spec=""

# Whether the compiler copes with passing no objects directly.
compiler_needs_object="no"

# Create an old-style archive from a shared archive.
old_archive_from_new_cmds=""

# Create a temporary old-style archive to link instead of a shared  
archive.
old_archive_from_expsyms_cmds=""

# Commands used to build a shared archive.
archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \ 
$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \ 
$verstring \$single_module~\$DSYMUTIL \$lib || :"
archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/ 
\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \ 
$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\ 
$soname \$verstring \$single_module \${wl}-exported_symbols_list,\ 
$output_objdir/\${libname}-symbols.expsym~\$DSYMUTIL \$lib || :"

# Commands used to build a loadable module if different from building
# a shared archive.
module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \ 
$deplibs \$compiler_flags~\$DSYMUTIL \$lib || :"
module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \ 
$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag - 
o \$lib -bundle \$libobjs \$deplibs \$compiler_flags \${wl}- 
exported_symbols_list,\$output_objdir/\${libname}-symbols.expsym~\ 
$DSYMUTIL \$lib || :"

# Whether we are building with GNU ld or not.
with_gnu_ld="no"

# Flag that allows shared libraries with undefined symbols to be built.
allow_undefined_flag="\${wl}-undefined \${wl}dynamic_lookup"

# Flag that enforces no undefined symbols.
no_undefined_flag=""

# Flag to hardcode $libdir into a binary during linking.
# This must work even if $libdir does not exist
hardcode_libdir_flag_spec=""

# If ld is used when linking, flag to hardcode $libdir into a binary
# during linking.  This must work even if $libdir does not exist.
hardcode_libdir_flag_spec_ld=""

# into the resulting binary.
hardcode_minus_L=no

# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR
# into the resulting binary.
hardcode_shlibpath_var=unsupported

# Set to "yes" if building a shared library automatically hardcodes DIR
# into the library and all subsequent libraries and executables linked
# against it.
hardcode_automatic=yes

# Set to yes if linker adds runtime paths of dependent libraries
# to runtime path list.
inherit_rpath=no

# Whether libtool must link a program against all its dependency  
libraries.
link_all_deplibs=yes

# Fix the shell variable $srcfile for the compiler.
fix_srcfile_path=""

# Set to "yes" if exported symbols are required.
always_export_symbols=no

# The commands to list exported symbols.
export_symbols_cmds="\$NM \$libobjs \$convenience | \ 
$global_symbol_pipe | \$SED 's/.* //' | sort | uniq > \$export_symbols"

# Symbols that should not be listed in the preloaded symbols.
exclude_expsyms="_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*"

# Symbols that must always be exported.
include_expsyms=""

# Commands necessary for linking programs (against libraries) with  
templates.
prelink_cmds=""

# Specify filename containing input files.
file_list_spec=""

# How to hardcode a shared library path into an executable.
hardcode_action=immediate

# The directories searched by this compiler when creating a shared  
library.
compiler_lib_search_dirs=""

# Dependencies to place before and after the objects being linked to
# create a shared library.
predep_objects=""
postdep_objects=""
predeps=""
postdeps=""

# The library search path used internally by the compiler when linking
# a shared library.
compiler_lib_search_path=""