From 31053f81bd715c6a828ccd9665a62b6b3278f822 Mon Sep 17 00:00:00 2001
From: Martin Larralde <martin.larralde@embl.de>
Date: Sun, 7 Jul 2024 22:56:40 +0200
Subject: [PATCH] Implement detection of `PyInterpreterState_GetID` in
 `meson.build`

---
 meson.build           | 20 ++++++++++++++++++++
 pyrodigal/meson.build |  7 +++++++
 2 files changed, 27 insertions(+)

diff --git a/meson.build b/meson.build
index 87d1318..3920a3f 100644
--- a/meson.build
+++ b/meson.build
@@ -149,5 +149,25 @@ py_mod = import('python')
 python = py_mod.find_installation(pure: false)
 py_dep = python.dependency()
 
+# check if `PyInterpreterState_GetID` is available
+getid_code = (
+  '''
+  #include <stdint.h>
+  #include <stdlib.h>
+  #include <Python.h>
+
+  int main(int argc, char *argv[]) {
+      PyInterpreterState_GetID(NULL);
+      return 0;
+  }
+  '''
+)
+has_getid = cc.compiles(
+  getid_code, 
+  dependencies : py_dep,
+  name :  'PyInterpreterState_GetID',
+  args : ['-Werror=implicit-function-declaration'],
+)
+
 subdir('pyrodigal')
 
diff --git a/pyrodigal/meson.build b/pyrodigal/meson.build
index 84e98bb..5ba8739 100644
--- a/pyrodigal/meson.build
+++ b/pyrodigal/meson.build
@@ -49,6 +49,12 @@ else
     ]
 endif
 
+if not has_getid
+    c_args = ['-DHAS_PYINTERPRETERSTATE_GETID']
+else
+    c_args = []
+endif
+
 python.extension_module('lib',
     ['lib.pyx'],
     include_directories: prodigal_inc,
@@ -57,6 +63,7 @@ python.extension_module('lib',
     install: true,
     subdir : 'pyrodigal',
     cython_args : cython_args,
+    c_args : c_args,
 )