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Re: no .so file on HPUX platform?


From: Ed Hartnett
Subject: Re: no .so file on HPUX platform?
Date: Thu, 18 Jan 2007 19:02:01 -0700
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.4 (gnu/linux)

Ralf Wildenhues <address@hidden> writes:

> Hello Ed,
>
> * Ed Hartnett wrote on Wed, Jan 03, 2007 at 05:50:38PM CET:
>> 
>> On our HPUX platform however, no libnetcdf.so file results. Yet the
>> build seems to work OK. 
>
> The shared library extension should be '.sl'.  Please show
>   ./libtool --config
>
> and
>   ./libtool --features

Here they are:

 ./libtool --config

# Whether or not to build shared libraries.
build_libtool_libs=no

# Assembler program.
AS=as

# DLL creation program.
DLLTOOL=dlltool

# Object dumper program.
OBJDUMP=objdump

# Which release of libtool.m4 was used?
macro_version=2.1a
macro_revision=1.2304

# Whether or not to build static libraries.
build_old_libs=yes

# What type of objects to build.
pic_mode=default

# Whether or not to optimize for fast installation.
fast_install=no

# The host system.
host_alias=
host=hppa2.0w-hp-hpux11.00
host_os=hpux11.00

# The build system.
build_alias=
build=hppa2.0w-hp-hpux11.00
build_os=hpux11.00

# A sed program that does not truncate output.
SED="/usr/bin/sed"

# 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/ccs/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=262144

# 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="\$LD\$reload_flag -o \$output\$reload_objs"

# Method to check whether dependent libraries are shared objects.
deplibs_check_method="file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared 
library"

# Command to use when deplibs_check_method == "file_magic".
file_magic_cmd="/usr/bin/file"

# 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="cc"

# LTCC compiler flags.
LTCFLAGS="-g"

# 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/^T .* \\(.*\\)\$/extern int \\1();/p' -e 
's/^[BCDEGRST]* .* \\(.*\\)\$/extern char \\1;/p'"

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

# 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="print -r"

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

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

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

# Shared library suffix (normally ".so").
shrext_cmds=".sl"

# 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 SHLIB_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=sunos

# Shared library runtime path variable.
runpath_var=

# Shared library path variable.
shlibpath_var=SHLIB_PATH

# Is shlibpath searched before the hard-coded library search path?
shlibpath_overrides_runpath=no

# 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}\${shared_ext}\$versuffix 
\${libname}\${release}\${shared_ext}\$major \$libname\${shared_ext}"

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

# Command to use after installation of a shared archive.
postinstall_cmds="chmod 555 \$lib"

# 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="/lib /usr/lib /usr/local/lib"

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

# Whether dlopen is supported.
dlopen_support=unknown

# Whether dlopen of programs is supported.
dlopen_self=unknown

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

# Commands to strip libraries.
old_striplib=""
striplib=""


# The linker used to build libraries.
LD="/usr/ccs/bin/ld"

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

# A language specific compiler.
CC="cc"

# Is the compiler the GNU compiler?
with_gcc=

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

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

# Additional compiler flags for building library objects.
pic_flag=" +Z -DPIC"

# Compiler flag to prevent dynamic linking.
link_static_flag="\${wl}-a \${wl}archive"

# 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=yes

# 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="\${wl}-E"

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

# 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 -b \${wl}+h \${wl}\$soname \${wl}+b \${wl}\$install_libdir 
-o \$lib \$libobjs \$deplibs \$compiler_flags"
archive_expsym_cmds=""

# Commands used to build a loadable module if different from building
# a shared archive.
module_cmds=""
module_expsym_cmds=""

# 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=""

# 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="\${wl}+b \${wl}\$libdir"

# 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=""

# Whether we need a single "-rpath" flag with a separated argument.
hardcode_libdir_separator=":"

# Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
# DIR into the resulting binary.
hardcode_direct=yes

# Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes
# DIR into the resulting binary and the resulting library dependency is
# "absolute",i.e impossible to change by setting ${shlibpath_var} if the
# library is relocated.
hardcode_direct_absolute=yes

# Set to "yes" if using the -LDIR flag during linking hardcodes DIR
# into the resulting binary.
hardcode_minus_L=yes

# 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=no

# 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=unknown

# 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_"

# 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=relink

# 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=""

bash-2.04$ ./libtool --features
host: hppa2.0w-hp-hpux11.00
disable shared libraries
enable static libraries

>
> It seems like shared libs were disabled in your configure for some
> reason, after the normal libtool setup junk.
>
> Does your package use the file config.rpath (i.e., is it present
> anywhere in the source tree)?  There may be a related bug if you do.

Nope, no config.rpath.

>
> Cheers, and a happy New Year,

Thanks!

If you want to try it, get:

ftp://ftp.unidata.ucar.edu/pub/netcdf/snapshot/netcdf-daily.tar.gz

And configure like this:

./configure --enable-shared --enable-c-only

(The enable-shared is needed because the default is static one. The
--enable-c-only will turn off all fortran 77, fortran 90, and C++, as
well as some other stuff, and only build the core netCDF-3 C library,
which makes things faster.)

Thanks for any suggestions!

Ed

-- 
Ed Hartnett  -- address@hidden





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