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Re: shared library problem on macos with free software scientific packag
From: |
Ed Hartnett |
Subject: |
Re: shared library problem on macos with free software scientific package... |
Date: |
Mon, 31 Jan 2011 10:21:04 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) |
Peter O'Gorman <address@hidden> writes:
> On 01/07/2011 06:30 AM, Ed Hartnett wrote:
>
>> libtool: link: g95 -dynamiclib -Wl,-undefined -Wl,dynamic_lookup -o
>> .libs/libnetcdff.0.dylib .libs/fort-attio.o .libs/fort-control.o
>> .libs/fort-dim.o .libs/fort-genatt.o .libs/fort-geninq.o
>> .libs/fort-genvar.o .libs/fort-lib.o .libs/fort-misc.o
>> .libs/fort-v2compat.o .libs/fort-vario.o .libs/fort-var1io.o
>> .libs/fort-varaio.o .libs/fort-varmio.o .libs/fort-varsio.o
>> -Wl,-force_load,../f90/.libs/libnetcdff90.a -lz -lcurl -m32
>> -install_name
>> /machine/netcdf/nc_test_51783/in1/lib/libnetcdff.0.dylib
>> -compatibility_version 1 -current_version 1.0 -Wl,-single_module
>> /usr/bin/libtool: unknown option character `f' in: -force_load
>> Usage: /usr/bin/libtool -static [-] file [...] [-filelist
>> listfile[,dirname]] [-arch_only arch] [-sacLT]
>> Usage: /usr/bin/libtool -dynamic [-] file [...] [-filelist
>> listfile[,dirname]] [-arch_only arch] [-o output] [-install_name
>> name] [-compatibility_version #] [-current_version #] [-seg1addr
>> 0x#] [-segs_read_only_addr 0x#] [-segs_read_write_addr 0x#]
>> [-seg_addr_table<filename>] [-seg_addr_table_filename
>> <file_system_path>] [-all_load] [-noall_load]
>> make[2]: *** [libnetcdff.la] Error 1
>> make[1]: *** [check] Error 2
>> make: *** [check-recursive] Error 1
>>
>> Am I doing something wrong here?
>
> No, you're not ... g95/GNU libtool is. Modern GCCs on Mac OS X do not
> use /usr/bin/libtool to create shared libraries, they use ld, for that
> reason, when -force_load was added to ld in 10.6, it was not also
> added to /usr/bin/libtool, so even though the link would be ok with,
> for example, gfortran, it is not ok with your g95.
>
> To work around this you can set lt_cv_ld_force_load=no when you
> configure netcdf on Mac OS X.
>
> It would be best if this were fixed in g95 too.
>
> I will look into a fix for libtool. This reminds me that I got another
> report about -force_load months and months ago, I should probably fix
> that too.
>
I tried this, but it seems to have no effect...
Thanks,
Ed
--
Ed Hartnett -- address@hidden