Thread: Problem with SAC libraries (sacio.a) in Mac M1

Hello,

You need a sacio.a library compatible with the M1.

In May 2022 I move to M1 and at that time I had to request the sources and
compile sac myself.
It is working pretty fine.

You may start by checking if IRIS already have a compile version that
works in the Mac M1.

Best regards
Graça Silveira

Professor Coordenador/Investigador
Departamento de Física
Instituto Superior de Engenharia de Lisboa
Rua Conselheiro Emidio Navarro,1
1959-007 Lisbon
Portugal
&
Instituto Dom Luiz IDL
Edif. C8, FCUL, Campo Grande
1749-016 LISBOA
Portugal
Email: mdsilveira<at>fc.ul.pt <mdsilveira<at>fc.ul.pt>
Tel.: +351.217500812
Fax: +351.217500977







No dia 12/05/2023, às 18:04, Gilberto Silva (via IRIS) <
sac-help-bounce<at>lists.ds.iris.edu> escreveu:

Hello

I am trying to compile a fortran code (srcgrd5.f) using the SAC libraries
(sacio.a) in my Mac m1 but I am receiving the following output:

Input command line:

gfortran -fallow-argument-mismatch -o srcgrd5 srcgrd5.f
/Users/gilberto/src/sac/lib/sacio.a util_date.o

Output:

*srcgrd5.f:947:23:*

601 | call rsac1(infile,vss,nptsgrn,btime,dt,maxpts,nerr)
| 2
......
947 | call rsac1(fname,obs,nptsdat,btime,dt2,1,nerr)
| *1*
*Warning:* Rank mismatch between actual argument at *(1)* and actual
argument at (2 (rank-1 and scalar)
ld: warning: ignoring file /Users/gilberto/src/sac/lib/sacio.a, building
for macOS-arm64 but attempting to link with file built for macOS-x86_64
Undefined symbols for architecture arm64:
"_getfhv_", referenced from:
_getwaveforms_ in ccXgdBYQ.o
_getevent_data_ in ccXgdBYQ.o
"_getnhv_", referenced from:
_getevent_data_ in ccXgdBYQ.o
"_rsac1_", referenced from:
_getwaveforms_ in ccXgdBYQ.o
_getevent_data_ in ccXgdBYQ.o
"_wsac1_", referenced from:
_MAIN__ in ccXgdBYQ.o
ld: symbol(s) not found for architecture arm64
collect2: error: ld returned 1 exit status

So far, my guess is that the sacio.a file that I have is somehow not
suitable for Macs with M1 processor. I was hoping if someone could help me
with this.

Thank you!




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Dear Gilberto -

There are two separate problems here: one is gfortran related, and the
other is a mismatch between the machine architectures of your code and your
SAC I/O libraries.

To fix the first one, caused by the warnings associated with the RSAC1
calls, probably one of those parameters (infile and fname) is declared
differently (character array vs a character string). Harmonize the type
declarations and the warning will go away.

The other one is your code is being generated for an M1 (ARM) processor
but your library is for an Intel processor. You need to get the proper SAC
I/O libraries for your machine and link with them.

On 12 May 2023, at 18:04, Gilberto Silva (via IRIS) <
sac-help-bounce<at>lists.ds.iris.edu> wrote:

Hello

I am trying to compile a fortran code (srcgrd5.f) using the SAC libraries
(sacio.a) in my Mac m1 but I am receiving the following output:

Input command line:

gfortran -fallow-argument-mismatch -o srcgrd5 srcgrd5.f
/Users/gilberto/src/sac/lib/sacio.a util_date.o

Output:

*srcgrd5.f:947:23:*

601 | call rsac1(infile,vss,nptsgrn,btime,dt,maxpts,nerr)
| 2
......
947 | call rsac1(fname,obs,nptsdat,btime,dt2,1,nerr)
| *1*
*Warning:* Rank mismatch between actual argument at *(1)* and actual
argument at (2 (rank-1 and scalar)
ld: warning: ignoring file /Users/gilberto/src/sac/lib/sacio.a, building
for macOS-arm64 but attempting to link with file built for macOS-x86_64
Undefined symbols for architecture arm64:
"_getfhv_", referenced from:
_getwaveforms_ in ccXgdBYQ.o
_getevent_data_ in ccXgdBYQ.o
"_getnhv_", referenced from:
_getevent_data_ in ccXgdBYQ.o
"_rsac1_", referenced from:
_getwaveforms_ in ccXgdBYQ.o
_getevent_data_ in ccXgdBYQ.o
"_wsac1_", referenced from:
_MAIN__ in ccXgdBYQ.o
ld: symbol(s) not found for architecture arm64
collect2: error: ld returned 1 exit status

So far, my guess is that the sacio.a file that I have is somehow not
suitable for Macs with M1 processor. I was hoping if someone could help me
with this.

Thank you!




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SAC Help
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George Helffrich
george<at>elsi.jp


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