Linking error

[Herb Kuntz]

I just downloaded, installed cygwin to my computer, which went well.  I downloaded & installed the g95 file & installed.  I wrote a short program & tried to compile it the resulting message was:

$ g95 -v MultiSources.f90
C:/cygwin64/usr/local/bin/i686-pc-cygwin-g95.exe: error while loading shared lib
raries: ?: cannot open shared object file: No such file or directory

Since I am new to this environment I expect I missed something, but do not find anything overt in the reference documents.  Is there another library which I need to reference?  I had tried the -o flag, but no object file was generated & no warnings were output.

Any help would be appreciated.

Herb

[Darius Markauskas]

I can't help you with this problem, however, I would recommend you to use Gfortran compiler instead. G95 is not developed any more (latest binary from 17.01.2013).  You can download MinGW together with Gfortran from https://sourceforge.net/projects/mingw-w64/files/

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[Herb Kuntz]

Darius,

Thanks, I will look into this.

Herb

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[Herb Kuntz]

Darius,

That worked very nicely (though I do prefer Linux/Unix OS for such work).

Thanks for your assistance.

Herb

On Sun, Feb 2, 2020 at 10:49 AM Darius Markauskas <darm...@gmail.com> wrote:

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[uberkuhl]

Hi Herb,

Gfortran is part of gcc.  Should be easy to find under linux.  More info:

https://gcc.gnu.org/wiki/GFortran

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[Herb Kuntz]

Thanks.  I had been using it on a Linux machine, but am using a W10 machine.

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[ziggy76]

Hi Herb,

You can use MSYS which is a simplified linux-like environment using MinGW.

Regards.

Le lundi 3 février 2020 03:43:55 UTC+1, Herb Kuntz a écrit :

Thanks.  I had been using it on a Linux machine, but am using a W10 machine.

On Sun, Feb 2, 2020 at 5:31 PM uberkuhl <uber...@gmail.com> wrote:

Hi Herb,

Gfortran is part of gcc.  Should be easy to find under linux.  More info:

https://gcc.gnu.org/wiki/GFortran

On Sun., Feb. 2, 2020, 8:01 p.m. Herb Kuntz, <pengu...@gmail.com> wrote:

Darius,

That worked very nicely (though I do prefer Linux/Unix OS for such work).

Thanks for your assistance.

Herb

On Sun, Feb 2, 2020 at 10:49 AM Darius Markauskas <darm...@gmail.com> wrote:

I can't help you with this problem, however, I would recommend you to use Gfortran compiler instead. G95 is not developed any more (latest binary from 17.01.2013).  You can download MinGW together with Gfortran from https://sourceforge.net/projects/mingw-w64/files/

On Sun, 2 Feb 2020 at 01:46, Herb Kuntz <pengu...@gmail.com> wrote:

I just downloaded, installed cygwin to my computer, which went well.  I downloaded & installed the g95 file & installed.  I wrote a short program & tried to compile it the resulting message was:

$ g95 -v MultiSources.f90
C:/cygwin64/usr/local/bin/i686-pc-cygwin-g95.exe: error while loading shared lib
raries: ?: cannot open shared object file: No such file or directory

Since I am new to this environment I expect I missed something, but do not find anything overt in the reference documents.  Is there another library which I need to reference?  I had tried the -o flag, but no object file was generated & no warnings were output.

Any help would be appreciated.

Herb

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[Loup Blanc]

Hi,
Did you check that environment variables have been set ?

See below, from https://www.g95.org/windows_faq.shtml:
"
Q. 9. Why does the g95 Windows build require environment variables
to be set?

A. The g95 library and several supporting programs are separate
files from the g95 compiler, some of which may be located in different
directories. The environment variable LIBRARY_PATH or G95_LIBRARY_PATH
helps the compiler and linker find those files.
"


(As g95 become older, use gfortran is strongly recommended...)

Frédéric

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[Herb Kuntz]

Thanks for all the assistance.  I have been using the gfortran with success.  Since that is working well, I have not returned to the g95.

Herb

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