Further update CMake files

CMakeLists.txt

@@ -1,16 +1,17 @@
-project(qsim)
-
 set(CMAKE_CXX_STANDARD 11)
 cmake_minimum_required(VERSION 3.31)
 
-# Check if CMAKE_SYSTEM_NAME is Darwin (macOS) and CMAKE_SYSTEM_PROCESSOR is arm64
+# Set prelimary value so that other variables we need are defined
+project(qsim)
+
+# Darwin + Arm64 => Apple Silicon, where we can't build Cuda, AVX or SSE features.
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
     set(APPLE_ARM TRUE)
 else()
     set(APPLE_ARM FALSE)
 endif()
 
-# Set the project name and language
+# Set the project name and language more precisely
 if(APPLE)
     project(qsim LANGUAGES CXX)
 else()

pybind_interface/GetPybind11.cmake

@@ -5,24 +5,6 @@ FetchContent_Declare(
   pybind11
   GIT_REPOSITORY https://github.com/pybind/pybind11
   GIT_TAG "v${MIN_PYBIND_VERSION}"
+  OVERRIDE_FIND_PACKAGE
 )
-FetchContent_GetProperties(pybind11)
-find_package(pybind11 "${MIN_PYBIND_VERSION}" CONFIG)
-
-if (pybind11_FOUND)
-  message(STATUS "Found pybind11 v${pybind11_VERSION}: ${pybind11_INCLUDE_DIRS}")
-  # The pybind11_add_module doesn't correctly set the CXX_INCLUDES properly if a system pybind11 is found.
-  # Using `include_directories(${pybind11_INCLUDE_DIRS})` doesn't result in anything in
-  # CXX_INCLUDES. e.g., `pybind_interface/basic/CMakeFiles/qsim_basic.dir/flags.make` would only
-  # have `CXX_INCLUDES = -isystem $PREFIX/include/python3.11` and would miss `$PREFIX/include`.
-  # This problem would result in `fatal error: pybind11/complex.h: No such file or directory`
-  # This is a hack to get around that by passing `-I/path/to/include` to CXX_FLAGS
-  # Iterate over each include directory and add it as a compile option
-  foreach(INCLUDE_DIR ${pybind11_INCLUDE_DIRS})
-    add_compile_options("-I${INCLUDE_DIR}")
-  endforeach()
-endif()
-
-if((NOT pybind11_FOUND) AND (NOT pybind11_POPULATED)) # check first on system path, then attempt git fetch
-  FetchContent_MakeAvailable(pybind11)
-endif()
+FetchContent_MakeAvailable(pybind11)

pybind_interface/avx2/CMakeLists.txt

@@ -9,9 +9,20 @@ ENDIF()
 
 if(APPLE)
     set(CMAKE_CXX_STANDARD 14)
-    include_directories("/usr/local/include" "/usr/local/opt/llvm/include")
-    link_directories("/usr/local/lib" "/usr/local/opt/llvm/lib")
+    include_directories(
+      "/usr/local/include"
+      "/usr/local/opt/llvm/include"
+      "/opt/homebrew/include"
+      "/opt/homebrew/opt/llvm@19/include"
+    )
+    link_directories(
+      "/usr/local/lib"
+      "/usr/local/opt/llvm/lib"
+      "/opt/homebrew/lib"
+      "/opt/homebrew/opt/llvm@19/lib"
+    )
 endif()
+
 INCLUDE(../GetPybind11.cmake)
 pybind11_add_module(qsim_avx2 pybind_main_avx2.cpp)
 

pybind_interface/avx512/CMakeLists.txt

@@ -10,8 +10,18 @@ ENDIF()
 
 if(APPLE)
     set(CMAKE_CXX_STANDARD 14)
-    include_directories("/usr/local/include" "/usr/local/opt/llvm/include")
-    link_directories("/usr/local/lib" "/usr/local/opt/llvm/lib")
+    include_directories(
+      "/usr/local/include"
+      "/usr/local/opt/llvm/include"
+      "/opt/homebrew/include"
+      "/opt/homebrew/opt/llvm@19/include"
+    )
+    link_directories(
+      "/usr/local/lib"
+      "/usr/local/opt/llvm/lib"
+      "/opt/homebrew/lib"
+      "/opt/homebrew/opt/llvm@19/lib"
+    )
 endif()
 
 INCLUDE(../GetPybind11.cmake)

pybind_interface/basic/CMakeLists.txt

@@ -10,8 +10,18 @@ endif()
 
 if(APPLE)
     set(CMAKE_CXX_STANDARD 14)
-    include_directories("/usr/local/include" "/usr/local/opt/llvm/include")
-    link_directories("/usr/local/lib" "/usr/local/opt/llvm/lib")
+    include_directories(
+      "/usr/local/include"
+      "/usr/local/opt/llvm/include"
+      "/opt/homebrew/include"
+      "/opt/homebrew/opt/llvm@19/include"
+    )
+    link_directories(
+      "/usr/local/lib"
+      "/usr/local/opt/llvm/lib"
+      "/opt/homebrew/lib"
+      "/opt/homebrew/opt/llvm@19/lib"
+    )
 endif()
 
 INCLUDE(../GetPybind11.cmake)

pybind_interface/cuda/CMakeLists.txt

@@ -7,11 +7,20 @@ else()
     set(CMAKE_CXX_FLAGS "-O3")
 endif()
 
-
 if(APPLE)
     set(CMAKE_CXX_STANDARD 14)
-    include_directories("/usr/local/include" "/usr/local/opt/llvm/include")
-    link_directories("/usr/local/lib" "/usr/local/opt/llvm/lib")
+    include_directories(
+      "/usr/local/include"
+      "/usr/local/opt/llvm/include"
+      "/opt/homebrew/include"
+      "/opt/homebrew/opt/llvm@19/include"
+    )
+    link_directories(
+      "/usr/local/lib"
+      "/usr/local/opt/llvm/lib"
+      "/opt/homebrew/lib"
+      "/opt/homebrew/opt/llvm@19/lib"
+    )
 endif()
 
 INCLUDE(../GetPybind11.cmake)

pybind_interface/custatevec/CMakeLists.txt

@@ -23,8 +23,18 @@ endif()
 
 if(APPLE)
     set(CMAKE_CXX_STANDARD 14)
-    include_directories("/usr/local/include" "/usr/local/opt/llvm/include")
-    link_directories("/usr/local/lib" "/usr/local/opt/llvm/lib")
+    include_directories(
+      "/usr/local/include"
+      "/usr/local/opt/llvm/include"
+      "/opt/homebrew/include"
+      "/opt/homebrew/opt/llvm@19/include"
+    )
+    link_directories(
+      "/usr/local/lib"
+      "/usr/local/opt/llvm/lib"
+      "/opt/homebrew/lib"
+      "/opt/homebrew/opt/llvm@19/lib"
+    )
 endif()
 
 INCLUDE(../GetPybind11.cmake)

pybind_interface/decide/CMakeLists.txt

@@ -6,10 +6,20 @@ else()
     set(CMAKE_CXX_FLAGS "-O3")
 endif()
 
-if(APPLE AND NOT APPLE_ARM)
+if(APPLE)
     set(CMAKE_CXX_STANDARD 14)
-    include_directories("/usr/local/include" "/usr/local/opt/llvm/include")
-    link_directories("/usr/local/lib" "/usr/local/opt/llvm/lib")
+    include_directories(
+      "/usr/local/include"
+      "/usr/local/opt/llvm/include"
+      "/opt/homebrew/include"
+      "/opt/homebrew/opt/llvm@19/include"
+    )
+    link_directories(
+      "/usr/local/lib"
+      "/usr/local/opt/llvm/lib"
+      "/opt/homebrew/lib"
+      "/opt/homebrew/opt/llvm@19/lib"
+    )
 endif()
 
 include(../GetPybind11.cmake)

pybind_interface/sse/CMakeLists.txt

@@ -7,11 +7,20 @@ ELSE()
     set(CMAKE_CXX_FLAGS "-msse4.1 -O3")
 ENDIF()
 
-
 if(APPLE)
     set(CMAKE_CXX_STANDARD 14)
-    include_directories("/usr/local/include" "/usr/local/opt/llvm/include")
-    link_directories("/usr/local/lib" "/usr/local/opt/llvm/lib")
+    include_directories(
+      "/usr/local/include"
+      "/usr/local/opt/llvm/include"
+      "/opt/homebrew/include"
+      "/opt/homebrew/opt/llvm@19/include"
+    )
+    link_directories(
+      "/usr/local/lib"
+      "/usr/local/opt/llvm/lib"
+      "/opt/homebrew/lib"
+      "/opt/homebrew/opt/llvm@19/lib"
+    )
 endif()
 
 INCLUDE(../GetPybind11.cmake)

setup.py

@@ -32,8 +32,8 @@ def run(self):
             cmake_version = parse(
                 re.search(r"version\s*([\d.]+)", out.decode()).group(1)
             )
-            if cmake_version < parse("3.1.0"):
-                raise RuntimeError("CMake >= 3.1.0 is required on Windows")
+            if cmake_version < parse("3.31.0"):
+                raise RuntimeError("CMake >= 3.31.0 is required on Windows")
 
         for ext in self.extensions:
             self.build_extension(ext)