Hotfix: Make maxoptimization configurable from the shell via MAXOPTIMIZATION=-O0 V=1 make archives

makefiles/toolchain_gnu-arm-eabi.mk

@@ -50,7 +50,7 @@ OBJDUMP			 = $(CROSSDEV)objdump
 
 # XXX this is pulled pretty directly from the fmu Make.defs - needs cleanup
 
-MAXOPTIMIZATION		 = -O3
+MAXOPTIMIZATION		 ?= -O3
 
 # Base CPU flags for each of the supported architectures.
 #

nuttx/arch/arm/src/armv7-m/Toolchain.defs

@@ -243,7 +243,7 @@ endif
 ifeq ($(CONFIG_ARMV7M_TOOLCHAIN),GNU_EABI)
   CROSSDEV ?= arm-none-eabi-
   ARCROSSDEV ?= arm-none-eabi-
-  MAXOPTIMIZATION = -O3
+  MAXOPTIMIZATION ?= -O3
   ifeq ($(CONFIG_ARCH_CORTEXM4),y)
     ifeq ($(CONFIG_ARCH_FPU),y)
       ARCHCPUFLAGS = -mcpu=cortex-m4 -mthumb -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard

nuttx/configs/px4fmu/common/Make.defs

@@ -58,7 +58,7 @@ NM			 = $(CROSSDEV)nm
 OBJCOPY			 = $(CROSSDEV)objcopy
 OBJDUMP			 = $(CROSSDEV)objdump
 
-MAXOPTIMIZATION		 = -O3
+MAXOPTIMIZATION		 ?= -O3
 ARCHCPUFLAGS		 = -mcpu=cortex-m4 \
 			   -mthumb \
 			   -march=armv7e-m \

nuttx/configs/px4io/common/Make.defs

@@ -58,7 +58,7 @@ NM			 = $(CROSSDEV)nm
 OBJCOPY			 = $(CROSSDEV)objcopy
 OBJDUMP			 = $(CROSSDEV)objdump
 
-MAXOPTIMIZATION		 = -O3
+MAXOPTIMIZATION		 ?= -O3
 ARCHCPUFLAGS		 = -mcpu=cortex-m3 \
 			   -mthumb \
 			   -march=armv7-m