From 92fb5c1d7609d9443c5f252e344927de7fc8907f Mon Sep 17 00:00:00 2001
From: "J.A. de Jong" <j.a.dejong@ascee.nl>
Date: Mon, 3 Jun 2024 16:57:12 +0200
Subject: [PATCH] Updated CMakeLists to compile with correct flags and settings

---
 CMakeLists.txt | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab7b7b4..cd3fab4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,17 +1,27 @@
-cmake_minimum_required (VERSION 3.16) 
+cmake_minimum_required(VERSION 3.16)
 project(LASP LANGUAGES C CXX VERSION 1.1)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED)
 
-option(LASP_DOUBLE_PRECISION "Compile as double precision floating point" ON)
+if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
+    set(RPI TRUE)
+else()
+    set(RPI FALSE)
+endif()
 
 # Setting defaults for PortAudio and RtAudio backend, depending on Linux /
 # Windows.
+set(DEFAULT_DOUBLE_PRECISION ON)
 if(WIN32)
     set(DEFAULT_RTAUDIO OFF)
     set(DEFAULT_PORTAUDIO ON)
     set(DEFAULT_ULDAQ OFF)
+elseif(${RPI})
+    set(DEFAULT_RTAUDIO OFF)
+    set(DEFAULT_PORTAUDIO ON)
+    set(DEFAULT_ULDAQ OFF)
+
 else()
     set(DEFAULT_RTAUDIO OFF)
     set(DEFAULT_PORTAUDIO ON)
@@ -19,6 +29,7 @@ else()
 endif()
 
 
+option(LASP_DOUBLE_PRECISION "Compile as double precision floating point" ${DEFAULT_DOUBLE_PRECISION})
 option(LASP_HAS_RTAUDIO "Compile with RtAudio Daq backend" ${DEFAULT_RTAUDIO})
 option(LASP_HAS_PORTAUDIO "Compile with PortAudio Daq backend" ${DEFAULT_PORTAUDIO})
 if(LASP_HAS_PORTAUDIO AND LASP_HAS_RTAUDIO)
@@ -34,7 +45,7 @@ option(LASP_BUILD_CPP_TESTS "Build CPP test code" OFF)
 find_program(CCACHE_PROGRAM ccache)
 if(CCACHE_PROGRAM)
     set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
-    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK  "${CCACHE_PROGRAM}")
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE_PROGRAM}")
 endif()
 
 # To allow linking to static libs from other directories
@@ -80,7 +91,7 @@ endif()
 # Tune for current machine
 if(LASP_BUILD_TUNED)
     if(CMAKE_BUILD_TYPE STREQUAL "Debug")
-        message(FATAL_ERROR 
+        message(FATAL_ERROR
             "Cannot build optimized and tuned code when debug is switched on")
     endif()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native")
@@ -105,13 +116,17 @@ else()
 endif()
 
 # ###################################### Compilation flags
-set(CMAKE_C_FLAGS_RELEASE  "-O3 -flto -mfpmath=sse -march=x86-64 -mtune=native \
+set(CMAKE_C_FLAGS_RELEASE "-O3 -flto -mtune=native \
 -fdata-sections -ffunction-sections -fomit-frame-pointer -finline-functions")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-type-limits -Werror=return-type")
 
-set(CMAKE_CXX_FLAGS_RELEASE  "-O3 -flto -mfpmath=sse -march=x86-64 -mtune=native \
+set(CMAKE_CXX_FLAGS_RELEASE "-O3 -flto -mtune=native \
 -fdata-sections -ffunction-sections -fomit-frame-pointer -finline-functions")
 
+if(NOT ${RPI})
+    set(CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} -mfpmath=sse -march=x86-64)
+    set(CMAKE_CXX_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} -mfpmath=sse -march=x86-64)
+endif()
 set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -Wall ")
 
 # ############################# End compilation flags