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Date: Fri, 19 Apr 2024 15:39:27 -0600
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Subject: Re: problem with make 4.4.1-2 or gcc-fortran 11.4.0-1
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On 4/19/2024 2:59 PM, Arnab Paul via Cygwin wrote:

> Hello,
> I am trying to install a software which requires the libraries gcc-fortran,
> make, libarpack-devel, liblapack-devel, libnetcdf-fortran-devel, git.
> As I did and ran the commands given below,
> 
> git clone https://github.com/Aida-Alvera/DINEOF
> cd DINEOF/
> cp config.mk.template config.mk
> make
> 
> The make command is showing the problem as
> Makefile:30: Compilers/Windows_NT-gfortran.mk: No such file or directory
> make: *** No rule to make target 'Compilers/Windows_NT-gfortran.mk'.  Stop.
> 
> I am keeping Linux as my default OS but it is asking for the
> Windows_NT-gfortran.mk

Looking at the Makefile, lines 13 to 15, and 30:

The problem is that Makefile optionally sets OS to Linux (line 13) but 
in Cygwin OS is set to Windows_NT.  i.e.
$ echo $OS
Windows_NT

The solution is to change that environment variable.

There are several ways try correct that, try: make OS=Linux

-- 
R.B.

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