chore(platformio.ini): 🔧 Upgrade C++11 to GNU C++23

Using the latest version of C++ keeps its security up-to-date.
ZZ-Cat · Apr 25, 2024 · 60a2f68 · 60a2f68
1 parent f44f2c1
commit 60a2f68
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/platformio.ini b/platformio.ini
@@ -33,6 +33,8 @@ test_dir =
 board = adafruit_metro_m4
 build_flags =
 build_src_flags =
+    ; Force GNU C++ 23:
+    -std=c++23
     ; Compile hardening flags:
     -O2
     -Wall
@@ -53,11 +55,14 @@ build_src_filter =
     +<*.cpp>
 build_type = debug
 build_unflags =
+    -c++11
     -Os
 check_flags =
     --enable=all
     --disable=missingInclude
     --disable=unusedFunction
+    --language=c++
+    --std=c++23
 check_severity = low, medium, high
 check_skip_packages = yes
 check_tool = cppcheck