From e97770f8f675e5777962742c88269e5ee42a4411 Mon Sep 17 00:00:00 2001
From: mykola2312 <49044616+mykola2312@users.noreply.github.com>
Date: Sat, 21 May 2022 03:09:14 +0300
Subject: [PATCH] implement CMake ARM architecture compile options auto-config

---
 CMakeLists.txt | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e4be9c5..e07858c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,17 +25,22 @@ set(SOURCES
 )
 
 set(ARCHITECTURE "ARMv7" CACHE STRING "cutil target architecture")
+set(ARM_PROCESSOR "cortex-m4" CACHE STRING "cutil ARM processor")
 set(ARM_PROFILE "m" CACHE STRING "cutil ARM architecture profile")
 
-if ("${ARCHITECTURE}" STREQUAL "ARMv7")
+if ("${ARCHITECTURE}" MATCHES "ARM*")
     if ("${ARM_PROFILE}" STREQUAL "m")
-        add_compile_options("-mcpu=cortex-m4")
+        add_compile_options("-mcpu=${ARM_PROCESSOR}")
         add_compile_options("-mthumb")
     else()
-        add_compile_options("-march=armv7-${ARM_PROFILE}")
+        string(TOLOWER "${ARCHITECTURE}" COMPILE_ARCHITECTURE)
+        add_compile_options("-march=${COMPILE_ARCHITECTURE}-${ARM_PROFILE}")
     endif()
 endif()
 
+add_compile_definitions(ARM_PROCESSOR="${ARM_PROCESSOR}")
+add_compile_definitions(ARM_PROFILE="${ARM_PROFILE}")
+
 add_library(cutil STATIC ${SOURCES} ${HEADERS}
     "arch/${ARCHITECTURE}.S"
 )