DM: added math libraries

Author: deanm1278

boards.txt

@@ -154,7 +154,7 @@ adafruit_circuitplayground_m0.build.vid=0x239A
 adafruit_circuitplayground_m0.build.pid=0x8018
 adafruit_circuitplayground_m0.bootloader.tool=openocd
 adafruit_circuitplayground_m0.bootloader.file=circuitplay/circuitplay_m0_samd21g18_sam_ba.bin
-adafruit_circuitplayground_m0.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" -larm_cortexM0l_math
+adafruit_circuitplayground_m0.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" -larm_cortexM0lf_math
 
 
 # Adafruit Metro M4 (SAMD51)
@@ -188,6 +188,7 @@ adafruit_metro_m4.bootloader.file=metroM4/METRO_M4_sam_ba.bin
 adafruit_metro_m4.compiler.c.elf.extra_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_metro_m4.compiler.c.extra_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_metro_m4.compiler.cpp.extra_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_metro_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math
 
 # Adafruit Feather M4 (SAMD51)
 # ------------------------------
@@ -220,3 +221,4 @@ adafruit_feather_m4.bootloader.file=metroM4/FEATHER_M4_sam_ba.bin
 adafruit_feather_m4.compiler.c.elf.extra_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_feather_m4.compiler.c.extra_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_feather_m4.compiler.cpp.extra_flags=-mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_feather_m4.compiler.arm.cmsis.ldflags=-larm_cortexM4l_math