changes to CMake and run.py to add Linux/macOS compatibility

Author: jaketheduque

pybind/CMakeLists.txt

@@ -5,6 +5,7 @@ project(BrainflowSpO2Algorithm VERSION 4.1 LANGUAGES C CXX) # Project name becom
 # GoogleTest requires at least C++17
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 # Set Arduino directory variable
 IF (WIN32)
@@ -77,4 +78,4 @@ pybind11_add_module(BrainflowSpO2Algorithm "${CMAKE_CURRENT_SOURCE_DIR}/bindings
 
 target_link_libraries(BrainflowSpO2Algorithm PUBLIC
   lib
-)
+)

pybind/run.py

@@ -1,6 +1,12 @@
 import sys
 import os
 cur_dir = os.path.dirname(__file__)
+
+# Add build directory to sys.path (linux/macOS .so files end up in build directory)
+pyd_dir = os.path.join(cur_dir, 'build')
+sys.path.append(os.path.abspath(pyd_dir))
+
+# For Windows, the .pyd files end up in build/Release directory
 pyd_dir = os.path.join(cur_dir, 'build/Release')
 sys.path.append(os.path.abspath(pyd_dir))