ioapi: adapt to upstream's build system changes (#28247) (#31149)

Co-authored-by: Pariksheet Nanda <pnanda@necrosis.micro.med.umich.edu>

var/spack/repos/builtin/packages/ioapi/package.py

@@ -13,6 +13,12 @@ class Ioapi(MakefilePackage):
 
     homepage = "https://www.cmascenter.org/ioapi/"
     url      = "https://www.cmascenter.org/ioapi/download/ioapi-3.2.tar.gz"
+    maintainers = ['omsai']
+    # This checksum is somewhat meaningless because upstream updates the tarball
+    # without incrementing the version despite requests no to do this.
+    # Therefore the checksum fails everytime upstream silently updates the
+    # source tarball (#28247).  This also means that one must test for breaking
+    # changes when updating the checksum and avoid #22633.
     version('3.2', sha256='0a3cbf236ffbd9fb5f6509e35308c3353f1f53096efe0c51b84883d2da86924b')
     depends_on('netcdf-c@4:')
     depends_on('netcdf-fortran@4:')
@@ -24,10 +30,21 @@ def edit(self, spec, prefix):
         # The makefile uses stubborn assignments of = instead of ?= so
         # edit the makefile instead of using environmental variables.
         makefile = FileFilter('Makefile')
-        makefile.filter('^BASEDIR.*', 'BASEDIR = ' + self.build_directory)
-        makefile.filter('^INSTALL.*', 'INSTALL = ' + prefix)
-        makefile.filter('^BININST.*', 'BININST = ' + prefix.bin)
-        makefile.filter('^LIBINST.*', 'LIBINST = ' + prefix.lib)
+        makefile.filter('(^VERSION.*)', '''
+CPLMODE = nocpl
+\\1
+        '''.strip())
+        makefile.filter('^BASEDIR.*', ('''
+BASEDIR = ''' + self.build_directory + '''
+INSTALL = ''' + prefix + '''
+BININST = ''' + prefix.bin + '''
+LIBINST = ''' + prefix.lib + '''
+BIN = Linux2_x86_64
+        ''').strip())
+        # Fix circular dependency bug for generating subdirectory Makefiles.
+        makefile.filter('^configure:.*', 'configure:')
+        # Generate the subdirectory Makefiles.
+        make('configure')
 
     def install(self, spec, prefix):
         make('install')