Re: [bgl-discuss] netcdf compilation on BGL

[Kazutomo Yoshii <kazutomo@xxxxxxxxxxx>]

seems to me that this is linking order issue
because error,__ctype**,etc are all libc symbols.
nm /bgl/BlueLight/ppcfloor/blrts-gnu/powerpc-bgl-blrts-gnu/lib/libc.a

In my experience,
"gcc prog.c -lnetcdf -lc" works but
"gcc prog.c -lc -lnetcdf" causes linking error.

Thanks,
Kaz

>can you show me your Makefile. Or, better yet, the output of make -n
>(after a make clean). I want to elminate the obvious things first.
>
>On Tue, 12 Jul 2005, Anand Nilekar wrote:
>
>  
>
>>Hi Andrew,
>>
>>Here is the error msg I get which contains the list of symbols that are
>>not found in the ~walkup version --
>>
>>../netcdf/ibm_power3/libnetcdf.a(ncio.o)(.text+0x1126): In function
>>`px_pgin':
>>: undefined reference to `errno'
>>../netcdf/ibm_power3/libnetcdf.a(ncio.o)(.text+0x113e): In function
>>`px_pgin':
>>: undefined reference to `errno'
>>../netcdf/ibm_power3/libnetcdf.a(ncio.o)(.text+0x114a): In function
>>`px_pgin':
>>: undefined reference to `errno'
>>../netcdf/ibm_power3/libnetcdf.a(ncio.o)(.text+0x116e): In function
>>`px_pgin':
>>: undefined reference to `errno'
>>../netcdf/ibm_power3/libnetcdf.a(ncio.o)(.text+0x11be): In function
>>`px_pgin':
>>: undefined reference to `errno'
>>../netcdf/ibm_power3/libnetcdf.a(ncio.o)(.text+0x129e): more undefined
>>references to `errno' follow
>>../netcdf/ibm_power3/libnetcdf.a(string.o)(.text+0xe): In function
>>`toupper':
>>: undefined reference to `__ctype_toupper'
>>../netcdf/ibm_power3/libnetcdf.a(string.o)(.text+0x1a): In function
>>`toupper':
>>: undefined reference to `__ctype_toupper'
>>../netcdf/ibm_power3/libnetcdf.a(string.o)(.text+0x32): In function
>>`tolower':
>>: undefined reference to `__ctype_tolower'
>>../netcdf/ibm_power3/libnetcdf.a(string.o)(.text+0x3e): In function
>>`tolower':
>>: undefined reference to `__ctype_tolower'
>>../netcdf/ibm_power3/libnetcdf.a(string.o)(.text+0x4f6): In function
>>`NC_check_name':
>>: undefined reference to `__ctype_b'
>>../netcdf/ibm_power3/libnetcdf.a(string.o)(.text+0x502): In function
>>`NC_check_name':
>>: undefined reference to `__ctype_b'
>>
>>
>>
>>
>>Thanks,
>>Anand
>>
>>
>>
>>-----Original Message-----
>>From: Andrew Siegel [mailto:asiegel@xxxxxxxxxxxxxxx]
>>Sent: Tuesday, July 12, 2005 2:43 PM
>>To: Anand Nilekar
>>Cc: discuss@xxxxxxxxxxxxxxx
>>Subject: Re: [bgl-discuss] netcdf compilation on BGL
>>
>>
>>Can you please list the symbols that cannot be located when you try to
>>link to the ~walkup version?
>>
>>
>>On Tue, 12 Jul 2005, Anand Nilekar wrote:
>>
>>    
>>
>>>Hi,
>>>
>>>I have been trying to install my code (Dacapo -
>>>http://dcwww.camp.dtu.dk/campos//Dacapo/) on BGL. The code
>>>      
>>>
>>successfully
>>    
>>
>>>compiles till the point it starts linking libraries. Previously I had
>>>problems with ESSL and MASS math libraries. But now I am using blas
>>>instead (as Katherine suggested), which doesn't seem to give me any
>>>problem. However, the netcdf installation I have lacks some required
>>>functions (fortran related). I also tried the library in
>>>/home/walkup/local/netcdf-3.5.1/lib/libnetcdf.a as I found it on the
>>>      
>>>
>>ANL
>>    
>>
>>>wiki page. But that also lacks some functions, although different from
>>>what my installation doesn't have.
>>>
>>>When I looked at my netcdf install log closely, I found that it can't
>>>figure out the fortran related variables, e.g.
>>>
>>>      
>>>
>>>>>checking "xlf" as Fortran-90 compiler... failed to build test
>>>>>          
>>>>>
>>program.
>>    
>>
>>>I tried various variables for FC and FFLAGS, but couldn't get it to
>>>work. The rest of the env vars that work are defined as follow, which
>>>      
>>>
>>I
>>    
>>
>>>hope are correct as I didn't see any problem with these.
>>>
>>>setenv CPPFLAGS '-D_HPUX_SOURCE -D_FILE_OFFSET_BITS=64'    # large
>>>      
>>>
>>file
>>    
>>
>>>support
>>>setenv CFLAGS '-g +DD64'                           # 64-bit mode
>>>setenv FLIBS '-lU77'
>>>setenv CXX ''                                      # no 64-bit mode
>>>      
>>>
>>C++
>>    
>>
>>>compiler
>>>
>>>
>>>
>>>Does anyone know what is missing here? Or have encountered similar
>>>problems before? Any pointers are highly appreciated.
>>>
>>>
>>>
>>>Thanks in advance,
>>>
>>>Anand
>>>
>>>
>>>
>>>
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>>>      
>>>
>>-y.
>>    
>>
>>>      
>>>
>>
>>    
>>
>
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>  
>


-- 
Kazutomo Yoshii   http://www-unix.mcs.anl.gov/~kazutomo/

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