"cru not found" issue about regcm HOT 10 CLOSED

It is the ar program which is missing from the system. Is the binutils package installed?

dpkg -S /usr/bin/ar
binutils: /usr/bin/ar

I suggest installing the build-essential package, which should install all the missing bits.

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Dear Giuliani,

I have the build-essential package installed already, and the ar is installed (see the terminal screenshot).
I even tried "AR=ar" before the make, but the error persists.

Thank you

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When I use the RegCM-4.7.1 another error pops up.

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Was the binutil installed before the configure stage? If not, the configure script would not have detected the ar program. Running the configure step on ubuntu I have a line like this one:
[....]
checking for dlltool... no
checking how to associate runtime and link libraries... printf %s\n
checking for ar... ar <<<<<------ This one
checking for archiver @file support... @
checking for strip... strip
checking for ranlib... ranlib
[....]
For the second error, can you please post the gfortran version:

gfortran --version

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Thank you, Giuliani,
The ar issue is solved. I needed to install the binutils (I thought it was part of the build-essential) and the libtool.
But the same error I got in running the RegCM-4.7.1 is stopping the "make" process now.

I read it is a Fortran version issue but not sure ...
My gfortran version on pop os (ubuntu derivated) is:
GNU Fortran (Ubuntu 10.3.0-1ubuntu1) 10.3.0

Thank you

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Ach... new gfortran, new flags.

Can you please try modifying configure.ac file:

diff --git a/configure.ac b/configure.ac
index 8161fdb8..18f3c475 100644
--- a/configure.ac
+++ b/configure.ac
@@ -437,7 +437,7 @@ if test -z "$COMPILER_GNU_TRUE"; then
 #      exit 1
 #    fi
 #  fi
-  FCFLAGS="-fconvert=big-endian -fno-range-check -fPIC"
+  FCFLAGS="-fallow-invalid-boz -fconvert=big-endian -fno-range-check -fPIC"
   OMPFLAGS="-fopenmp"
   CPRDEF="GNU"
   AC_SUBST(FCFLAGS)

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Top, @graziano-giuliani 👍
thank you very much, it works
Many thanks

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I've tried everything but I'm still facing an issue stating " /bin/bash: cru: command not found "
What am I supposed to do?

ps. I've installed binutils too.

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@sh-iz,
Please check if you have these two packages
sudo apt install binutils build-essential

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@sh-iz,
Please check if you have these two packages
sudo apt install binutils build-essential

sorry but it still doesn't work.
The packages were already installed for me.
I don't get whats the issue

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