Merge pull request arduino#202 from rlcamp/master

Force linker to use newer Arduino-provided versions of libarm_cortexM4lf_math.a

Author: ladyada

boards.txt

@@ -448,7 +448,7 @@ adafruit_metro_m4.build.vid=0x239A
 adafruit_metro_m4.build.pid=0x8020
 adafruit_metro_m4.bootloader.tool=openocd
 adafruit_metro_m4.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_metro_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_metro_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_metro_m4.menu.cache.on=Enabled
 adafruit_metro_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_metro_m4.menu.cache.off=Disabled
@@ -514,7 +514,7 @@ adafruit_grandcentral_m4.build.vid=0x239A
 adafruit_grandcentral_m4.build.pid=0x8031
 adafruit_grandcentral_m4.bootloader.tool=openocd
 adafruit_grandcentral_m4.bootloader.file=grand_central_m4/bootloader-grandcentralM4-v2.0.0-adafruit.5.bin
-adafruit_grandcentral_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_grandcentral_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_grandcentral_m4.menu.cache.on=Enabled
 adafruit_grandcentral_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_grandcentral_m4.menu.cache.off=Disabled
@@ -577,7 +577,7 @@ adafruit_itsybitsy_m4.build.vid=0x239A
 adafruit_itsybitsy_m4.build.pid=0x802B
 adafruit_itsybitsy_m4.bootloader.tool=openocd
 adafruit_itsybitsy_m4.bootloader.file=itsybitsyM4/bootloader-itsybitsy_m4-v2.0.0-adafruit.5.bin
-adafruit_itsybitsy_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_itsybitsy_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_itsybitsy_m4.menu.cache.on=Enabled
 adafruit_itsybitsy_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_itsybitsy_m4.menu.cache.off=Disabled
@@ -640,7 +640,7 @@ adafruit_feather_m4.build.vid=0x239A
 adafruit_feather_m4.build.pid=0x8022
 adafruit_feather_m4.bootloader.tool=openocd
 adafruit_feather_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_feather_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_feather_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16 
 adafruit_feather_m4.menu.cache.on=Enabled
 adafruit_feather_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_feather_m4.menu.cache.off=Disabled
@@ -705,7 +705,7 @@ adafruit_trellis_m4.build.vid=0x239A
 adafruit_trellis_m4.build.pid=0x802F
 adafruit_trellis_m4.bootloader.tool=openocd
 adafruit_trellis_m4.bootloader.file=trellisM4/bootloader-trellis_m4-v2.0.0-adafruit.5.bin
-adafruit_trellis_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_trellis_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_trellis_m4.menu.cache.on=Enabled
 adafruit_trellis_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_trellis_m4.menu.cache.off=Disabled
@@ -768,7 +768,7 @@ adafruit_pyportal_m4.build.vid=0x239A
 adafruit_pyportal_m4.build.pid=0x8035
 adafruit_pyportal_m4.bootloader.tool=openocd
 adafruit_pyportal_m4.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_pyportal_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pyportal_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pyportal_m4.menu.cache.on=Enabled
 adafruit_pyportal_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pyportal_m4.menu.cache.off=Disabled
@@ -831,7 +831,7 @@ adafruit_pyportal_m4_titano.build.vid=0x239A
 adafruit_pyportal_m4_titano.build.pid=0x8035
 adafruit_pyportal_m4_titano.bootloader.tool=openocd
 adafruit_pyportal_m4_titano.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_pyportal_m4_titano.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pyportal_m4_titano.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pyportal_m4_titano.menu.cache.on=Enabled
 adafruit_pyportal_m4_titano.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pyportal_m4_titano.menu.cache.off=Disabled
@@ -896,7 +896,7 @@ adafruit_pybadge_m4.build.vid=0x239A
 adafruit_pybadge_m4.build.pid=0x8033
 adafruit_pybadge_m4.bootloader.tool=openocd
 adafruit_pybadge_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pybadge_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pybadge_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pybadge_m4.menu.cache.on=Enabled
 adafruit_pybadge_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pybadge_m4.menu.cache.off=Disabled
@@ -960,7 +960,7 @@ adafruit_metro_m4_airliftlite.build.vid=0x239A
 adafruit_metro_m4_airliftlite.build.pid=0x8037
 adafruit_metro_m4_airliftlite.bootloader.tool=openocd
 adafruit_metro_m4_airliftlite.bootloader.file=metroM4/bootloader-metro_m4-v2.0.0-adafruit.5.bin
-adafruit_metro_m4_airliftlite.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_metro_m4_airliftlite.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_metro_m4_airliftlite.menu.cache.on=Enabled
 adafruit_metro_m4_airliftlite.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_metro_m4_airliftlite.menu.cache.off=Disabled
@@ -1025,7 +1025,7 @@ adafruit_pygamer_m4.build.vid=0x239A
 adafruit_pygamer_m4.build.pid=0x803D
 adafruit_pygamer_m4.bootloader.tool=openocd
 adafruit_pygamer_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pygamer_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pygamer_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pygamer_m4.menu.cache.on=Enabled
 adafruit_pygamer_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pygamer_m4.menu.cache.off=Disabled
@@ -1089,7 +1089,7 @@ adafruit_pygamer_advance_m4.build.vid=0x239A
 adafruit_pygamer_advance_m4.build.pid=0x8041
 adafruit_pygamer_advance_m4.bootloader.tool=openocd
 adafruit_pygamer_advance_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pygamer_advance_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pygamer_advance_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pygamer_advance_m4.menu.cache.on=Enabled
 adafruit_pygamer_advance_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pygamer_advance_m4.menu.cache.off=Disabled
@@ -1155,7 +1155,7 @@ adafruit_pybadge_airlift_m4.build.vid=0x239A
 adafruit_pybadge_airlift_m4.build.pid=0x8043
 adafruit_pybadge_airlift_m4.bootloader.tool=openocd
 adafruit_pybadge_airlift_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_pybadge_airlift_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_pybadge_airlift_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_pybadge_airlift_m4.menu.cache.on=Enabled
 adafruit_pybadge_airlift_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_pybadge_airlift_m4.menu.cache.off=Disabled
@@ -1221,7 +1221,7 @@ adafruit_monster_m4sk.build.vid=0x239A
 adafruit_monster_m4sk.build.pid=0x8047
 adafruit_monster_m4sk.bootloader.tool=openocd
 adafruit_monster_m4sk.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_monster_m4sk.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_monster_m4sk.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_monster_m4sk.menu.cache.on=Enabled
 adafruit_monster_m4sk.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_monster_m4sk.menu.cache.off=Disabled
@@ -1287,7 +1287,7 @@ adafruit_hallowing_m4.build.vid=0x239A
 adafruit_hallowing_m4.build.pid=0x8049
 adafruit_hallowing_m4.bootloader.tool=openocd
 adafruit_hallowing_m4.bootloader.file=featherM4/bootloader-feather_m4-v2.0.0-adafruit.5.bin
-adafruit_hallowing_m4.compiler.arm.cmsis.ldflags="-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
+adafruit_hallowing_m4.compiler.arm.cmsis.ldflags="-L{runtime.tools.CMSIS-4.5.0.path}/CMSIS/Lib/GCC/" "-L{build.variant.path}" -larm_cortexM4lf_math -mfloat-abi=hard -mfpu=fpv4-sp-d16
 adafruit_hallowing_m4.menu.cache.on=Enabled
 adafruit_hallowing_m4.menu.cache.on.build.cache_flags=-DENABLE_CACHE
 adafruit_hallowing_m4.menu.cache.off=Disabled