build(python): added fvisibility=hidden for python builds

In order to avoid massive binaries uploaded to pypi we have worked to reduce the number of symbols included in binaries

meson.build

@@ -20,8 +20,11 @@
 # *********************************************************************** #
 project('GridFire', ['c', 'cpp', 'fortran'], version: 'v0.7.4_rc2', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
 
-# Add default visibility for all C++ targets
-add_project_arguments('-fvisibility=default', language: 'cpp')
+if get_option('build-python')
+    add_project_arguments('-fvisibility=hidden', language: 'cpp')
+else
+    add_project_arguments('-fvisibility=default', language: 'cpp')
+endif
 
 message('Found CXX compiler: ' + meson.get_compiler('cpp').get_id())
 message('Found FORTRAN compiler: ' + meson.get_compiler('fortran').get_id())

src/meson.build

@@ -64,10 +64,10 @@ install_subdir('include/gridfire', install_dir: get_option('includedir'))
 
 message('Configuring C API...')
 subdir('extern')
-
-if get_option('build-python')
-    message('Configuring Python bindings...')
-    subdir('python')
-else
-    message('Skipping Python bindings...')
-endif
+#
+#if get_option('build-python')
+#    message('Configuring Python bindings...')
+#    subdir('python')
+#else
+#    message('Skipping Python bindings...')
+#endif