Re: Libtool 2.1a ported to SkyOS, how to test?

[Robert Szeleney]

Hi!

Ok, made progress. ./bootstrap for libtool-1.5.22 works now. (After 
fixing the inital stack creation routine and tweaking gcc to return the 
default library directory for 'gcc -print-search-dirs)

But it looks like that there is a misconfiguration in the skyos specific 
settings I just added.
When I try to build libtool-1.5.22 it succeeds and creates following 
files in the libltdl/.libs directory:

libltdl.dll (A valid SkyOS dll with all functions exported)
libltdl.a (The static library)

========================================================================
libltdl.la :
# libltdl.la - a libtool library file
# Generated by ltmain.sh - GNU libtool 1.5.22 (1.1220.2.365 2005/12/18 
22:14:06)
#
# Please DO NOT delete this file!
# It is necessary for linking the library.

# The name that we can dlopen(3).
dlname='libltdl.3.1.4.dll'

# Names of this library.
library_names='libltdl.dll'

# The name of the static archive.
old_library='libltdl.a'

# Libraries that this one depends upon.
dependency_libs=''

# Version information for libltdl.
current=4
age=1
revision=4

# Is this an already installed library?
installed=no

# Should we warn about portability when linking against -modules?
shouldnotlink=no

# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''

# Directory that this library needs to be installed in:
libdir='/usr/local/lib'

========================================================================

libltdl.lai:
# libltdl.la - a libtool library file
# Generated by ltmain.sh - GNU libtool 1.5.22 (1.1220.2.365 2005/12/18 
22:14:06)
#
# Please DO NOT delete this file!
# It is necessary for linking the library.

# The name that we can dlopen(3).
dlname='libltdl.3.1.4.dll'

# Names of this library.
library_names='libltdl.dll'

# The name of the static archive.
old_library='libltdl.a'

# Libraries that this one depends upon.
dependency_libs=''

# Version information for libltdl.
current=4
age=1
revision=4

# Is this an already installed library?
installed=yes

# Should we warn about portability when linking against -modules?
shouldnotlink=no

# Files to dlopen/dlpreopen
dlopen=''
dlpreopen=''

# Directory that this library needs to be installed in:
libdir='/usr/local/lib'

========================================================================

Unfortunately trying to install libtool-1.5.22 doesn't work because the 
install process can't find libltdl-3.1.4.dll (which obviously isn't there)

'make install':
....
/boot/programs/unix/bin/install -c .libs/libltdl.3.1.4.dll 
$dldir/libltdl.3.1.4.dll     (this fails)
....


Now the questions:
- Does anyone know which libtool.m4 configuration is responsible for 
this failure?

- When this is fixed, and there finally is a libltdl.3.1.4 dll, does the 
make install process install a symlink like libltdl.dll -> 
libltdl.3.1.4.dll ? ( If not, how is ld supposed to find this library 
when a third party package for instance tries to link to libltdl by just 
using 'ld -lltdl ?)

- May there be any problems with SkyOS using the .PE DLL format for 
shared libraries? There must be no undefined/unreferenced symbols when 
building a DLL. (like in Windows)

Anyway, a few more information:
I tried to add a skyos target to libtool.m4 with following characteristics:
- The static library should be named: $(libname).a
- The dynamic library should be named: $(libname).dll
- There should be NO import library. ( $(libname).lib), because SkyOS 
GCC/LD can directly link against the DLL

I attach following files:
libtool.m4.diff
output from (./bootstrap && ./configure && make && make install)

I would be very thankful for any hint!
Robert!

log.txt.gz
Description: GNU Zip compressed data

libtool.m4.diff.gz
Description: GNU Zip compressed data