meson: efficient configure syntax

Author: scivision

src/meson.build

@@ -1,22 +1,14 @@
-conf_data = configuration_data()
-
 is_windows = os == 'windows' ? '.true.' : '.false.'
 
-conf_data.set('is_windows', is_windows)
 configure_file(
   input : 'pathlib.in.f90',
   output : 'pathlib.f90',
-  configuration : conf_data)
-
-python = find_program('python')
+  configuration : {'is_windows': is_windows})
 
-ret = run_command(python, '-c', 'print(open("' + meson.current_source_dir() / 'reader_template.in.f90' + '").read())')
-reader_template = configuration_data()
-reader_template.set('reader_template', ret.stdout())
 configure_file(
   input : 'reader.in.f90',
   output : 'reader.f90',
-  configuration : reader_template
+  configuration : {'reader_template': fs.read('reader_template.in.f90')}
 )
 
 configure_file(