Installing NetCDF-Fortran

Procedure

Use PuTTY to log in to the server as the root user.
Go to the installation directory.
```
cd /path/to/netcdf
```

Obtain the source package and rename it.

wget https://github.com/Unidata/netcdf-fortran/archive/refs/tags/v4.4.5.tar.gz
mv v4.4.5.tar.gz netcdf-fortran-4.4.5.tar.gz

Decompress the source package.
```
tar -zxvf netcdf-fortran-4.4.5.tar.gz
```
Go to the directory generated after the decompression.
```
cd netcdf-fortran-4.4.5
```

Configure the compilation.

./configure --prefix=/path/to/netcdf --build=aarch64-unknown-linux-gnu --enable-shared --with-pic --disable-doxygen --enable-largefile --enable-static CC=clang CXX=clang++ FC=flang F77=flang CPPFLAGS="-I/path/to/hdf5/include -I/path/to/netcdf/include " LDFLAGS="-L/path/to/hdf5/lib -L/path/to/netcdf/lib -Wl,-rpath=/path/to/hdf5/lib -Wl,- rpath=/path/to/netcdf/lib" CFLAGS="-L/path/to/hdf5/lib -L/path/to/netcdf/lib -I/path/to/hdf5/include -I/path/to/netcdf/include -fPIC" CXXFLAGS="-L/path/to/hdf5/lib -L/path/to/netcdf/lib -I/path/to/hdf5/include -I/path/to/netcdf/include -fPIC" FCFLAGS="-L/path/to/hdf5/lib -L/path/to/netcdf/lib -I/path/to/hdf5/include - I/path/to/netcdf/include -fPIC"

Apply the patch package.

Create a libtool.patch file.
```
vi libtool.patch
```

Press i to enter the edit mode and add the following content:

diff -ruN hdf5-1.10.1/libtool hdf5-1.10.1-new/libtool
--- hdf5-1.10.1/libtool 2019-12-02 20:02:56.270676503 +0000
+++ hdf5-1.10.1-new/libtool 2019-12-02 20:03:05.062708034 +0000
@@ -11832,7 +11832,7 @@
pic_flag=""
# How to pass a linker flag through the compiler.
-wl=""
+wl="-Wl,"
# Compiler flag to prevent dynamic linking.
link_static_flag=""

Press Esc, type :wq!, and press Enter to save the file and exit.

Install the patch.
```
patch -p1 < libtool.patch
```
Perform the compilation and installation.
```
make -j 8
```
```
make install
```

Set the environment variables.

export PATH=/path/to/netcdf/bin:$PATH
export LD_LIBRARY_PATH=/path/to/netcdf/lib:$LD_LIBRARY_PATH

Parent topic: Configuring the Compilation Environment