Add test script for make install when prefix and DESTDIR are used

Author: wkliao

test/tst_install.sh

@@ -0,0 +1,65 @@
+#!/bin/sh
+#
+# Copyright (C) 2024, Northwestern University and Argonne National Laboratory
+# See COPYRIGHT notice in top-level directory.
+#
+
+# Exit immediately if a command exits with a non-zero status.
+set -e
+
+# This requires one command-line option, the installation path
+if [ "x$1" = x ] ; then
+   echo "Usage: $0 /pnetcdf/install/path"
+   exit 1
+fi
+
+installation_path=$1
+
+# check if folder installation_path exists
+if [ ! -d $installation_path ]; then
+    echo "Error: folder $installation_path cannot be found"
+    exit 1
+fi
+
+# remove trailing '/' character
+# Note on Mac OSX, realpath does not support option -s
+# Ideally, -s should be used to avoid expanding a symlink
+installation_path=$(realpath $installation_path)
+
+# check if pnetcdf_version exists in the install folder
+if [ ! -x $installation_path/bin/pnetcdf_version ]; then
+    echo "Error: pnetcdf_version not found in $installation_path/bin"
+    exit 1
+fi
+
+# check if pnetcdf.pc exists in the install folder
+if [ ! -f $installation_path/lib/pkgconfig/pnetcdf.pc ]; then
+    echo "Error: pnetcdf.pc not found in $installation_path/lib/pkgconfig"
+    exit 1
+fi
+
+# check if pnetcdf-config exists in the install folder
+if [ ! -x $installation_path/bin/pnetcdf-config ]; then
+    echo "Error: pnetcdf-config not found in $installation_path/bin"
+    exit 1
+else
+   # check if --prefix is correctly reflecting the install path
+   prefixdir=`$installation_path/bin/pnetcdf-config --prefix`
+   if [ $prefixdir != $installation_path ] ; then
+       echo "Error: expecting '$installation_path' from 'pnetcdf-config --prefix' but got $prefixdir"
+       exit 1
+   fi
+   # check if --libdir is correctly reflecting the install path
+   libdir=`$installation_path/bin/pnetcdf-config --libdir`
+   if [ $libdir != $installation_path/lib ] ; then
+       echo "Error: expecting '$installation_path/lib' from 'pnetcdf-config --libdir' but got $libdir"
+       exit 1
+   fi
+   # check if --includedir is correctly reflecting the install path
+   incdir=`$installation_path/bin/pnetcdf-config --includedir`
+   if [ $incdir != $installation_path/include ] ; then
+       echo "Error: expecting '$installation_path/include' from 'pnetcdf-config --includedir' but got $incdir"
+       exit 1
+   fi
+fi
+