From 4c36faa57a02d0552bf05cc9f3d6586f90950e5b Mon Sep 17 00:00:00 2001
From: Tyler Seip <tylerjseip@gmail.com>
Date: Thu, 24 Oct 2024 18:28:03 -0400
Subject: [PATCH] Auto-detect size_t size on platform to set SWIG switches
 appropriately

---
 CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ebccb27..3dc68c3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,13 @@ SET_SOURCE_FILES_PROPERTIES(fourbynine.i PROPERTIES CPLUSPLUS ON)
 SWIG_ADD_LIBRARY(swig_fourbynine TYPE SHARED LANGUAGE python OUTPUT_DIR "../model_fitting" OUTFILE_DIR "./" SOURCES fourbynine.i)
 set_property(TARGET swig_fourbynine PROPERTY SWIG_USE_TARGET_INCLUDE_DIRECTORIES TRUE)
 
+include(CheckTypeSize)
+
+check_type_size("size_t" SIZE_T_SIZE)
+IF (NOT SIZE_T_SIZE EQUAL 8)
+  target_compile_definitions(swig_fourbynine PRIVATE SWIGWORDSIZE64)
+ENDIF()
+
 IF (NOT WIN32)
   set_target_properties(swig_fourbynine PROPERTIES SUFFIX ".so")
 ENDIF()