Disable debugging info to work around rust-lang/rust#25270

Author: yuriks

Common.mk

@@ -2,7 +2,7 @@
 # Makefile.
 RUSTC ?= rustc
 RUSTDOC ?= rustdoc
-RUSTC_FLAGS += -g -L$(BUILD_PLATFORM_DIR) # Common regardless of platform
+RUSTC_FLAGS += -L$(BUILD_PLATFORM_DIR) # Common regardless of platform
 CARGO ?= cargo
 TOOLCHAIN = arm-none-eabi-
 OBJCOPY ?= $(TOOLCHAIN)objcopy

src/chips/nrf51822/Makefile.mk

@@ -3,7 +3,7 @@ ARCH = cortex-m0
 RUSTC_FLAGS += -C opt-level=3 -Z no-landing-pads
 RUSTC_FLAGS += --target $(SRC_DIR)chips/$(CHIP)/target.json
 RUSTC_FLAGS += -Ctarget-cpu=$(ARCH) -C relocation_model=static
-RUSTC_FLAGS += -g -C no-stack-check
+RUSTC_FLAGS += -C no-stack-check
 
 CFLAGS_BASE = -mcpu=$(ARCH) -mthumb -mfloat-abi=soft
 CFLAGS += $(CFLAGS_BASE) -g -O3 -std=gnu99 -nostartfiles

src/chips/sam4l/Makefile.mk

@@ -5,7 +5,7 @@ RUST_TARGET ?= $(SRC_DIR)chips/sam4l/target.json
 RUSTC_FLAGS += -C opt-level=3 -Z no-landing-pads
 RUSTC_FLAGS += --target $(RUST_TARGET)
 RUSTC_FLAGS += -Ctarget-cpu=cortex-m4 -C relocation_model=static
-RUSTC_FLAGS += -g -C no-stack-check -C soft-float -C target-feature="+soft-float"
+RUSTC_FLAGS += -C no-stack-check -C soft-float -C target-feature="+soft-float"
 
 CFLAGS_BASE = -mcpu=$(ARCH) -mthumb -mfloat-abi=soft
 CFLAGS += $(CFLAGS_BASE) -g -O3 -std=gnu99 -nostartfiles