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[netCDF #BZR-716286]: NetCDF Unix Install sizeof off_t

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  • Subject: [netCDF #BZR-716286]: NetCDF Unix Install sizeof off_t
  • Date: Wed, 24 Jul 2024 16:55:27 -0600
Can you provide the `config.log` file generated when you observe this error? It 
contains more verbose output, which may point us in the right direction.

Thanks!

-Ward

> I'm trying to install the netCDF C library from source on an OmniOS
> machine, and I'm getting a compilation error that I can't quite get past,
> and was wondering if anyone had any recommendations.
> 
> Here's the error message I'm getting:
> checking size of off_t... configure: error: in
> `/usr/local/src/netcdf-c-4.9.2':
> configure: error: cannot compute sizeof (off_t)
> See `config.log' for more details
> 
> I've got libcurl, libz, and hdf5 all installed.
> 
> My configure command:
> ./configure CC="gcc -m64" CXX="g++ -m64" --prefix=/usr/local
> CPPFLAGS="-I/usr/local/include" LDFLAGS="-L/usr/local/lib"
> 
> I'm confused by the error message because when I run the following program
> I don't get any compilation errors, and the sizeof(off_t) gives me the same
> output that an ubuntu distro gives. So I'm not aware of any significant
> differences in the OS when it comes to off_t.
> ```
> #include <stdio.h>
> int main() {
> off_t test;
> printf("%lu \n", sizeof(off_t));
> return 0;
> }
> ```
> 
> In my config.log I see the following error message about off_t.
> conftest.c:147:20: error: expected expression before ')' token
> 147 | if (sizeof ((off_t)))
> |
> 
> If anyone has any recommendations for me I would love to hear them.
> 
> Thanks
> 
> Jacob Adams
> 
> 


Ticket Details
===================
Ticket ID: BZR-716286
Department: Support netCDF
Priority: High
Status: Closed
===================
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