Reduce math library code size by 3.4KB (#21575)

platformio.ini

@@ -38,6 +38,13 @@ extra_configs =
 # The 'common' values are used for most Marlin builds
 #
 [common]
+build_flags        = -fmax-errors=5 -g3 -D__MARLIN_FIRMWARE__ -fmerge-constants -fno-signed-zeros -ffinite-math-only
+extra_scripts      =
+  pre:buildroot/share/PlatformIO/scripts/common-dependencies.py
+  pre:buildroot/share/PlatformIO/scripts/common-cxxflags.py
+  pre:buildroot/share/PlatformIO/scripts/preflight-checks.py
+  post:buildroot/share/PlatformIO/scripts/common-dependencies-post.py
+lib_deps           =
 default_src_filter = +<src/*> -<src/config> -<src/HAL> +<src/HAL/shared>
   -<src/lcd/HD44780> -<src/lcd/TFTGLCD> -<src/lcd/dwin> -<src/lcd/dogm> -<src/lcd/tft> -<src/lcd/tft_io>
   -<src/HAL/STM32/tft> -<src/HAL/STM32F1/tft>
@@ -227,13 +234,6 @@ default_src_filter = +<src/*> -<src/config> -<src/HAL> +<src/HAL/shared>
   -<src/module/scara.cpp> -<src/gcode/calibrate/M665.cpp>
   -<src/module/servo.cpp> -<src/gcode/control/M280.cpp>
   -<src/module/stepper/TMC26X.cpp>
-extra_scripts      =
-  pre:buildroot/share/PlatformIO/scripts/common-dependencies.py
-  pre:buildroot/share/PlatformIO/scripts/common-cxxflags.py
-  pre:buildroot/share/PlatformIO/scripts/preflight-checks.py
-  post:buildroot/share/PlatformIO/scripts/common-dependencies-post.py
-build_flags        = -fmax-errors=5 -g3 -D__MARLIN_FIRMWARE__ -fmerge-constants
-lib_deps           =
 
 #
 # Default values apply to all 'env:' prefixed environments