config

# Teensy 3.0, 3.1, 3.2
[target.thumbv7em-none-eabi]
rustflags = [
    # Use the linker script automatically provided by
    #   teensy3-sys
    "-C", "link-arg=-Tteensy3-sys.ld",

    "-C", "link-arg=-Wl,--gc-sections,--defsym=__rtc_localtime=0",
    "-C", "link-arg=-Wl,--start-group",
    "-C", "link-arg=-Wl,--end-group",

    "-C", "link-arg=-lm",
    "-C", "link-arg=-lnosys",
    "-C", "link-arg=-lc",
    "-C", "link-arg=-lgcc",
    "-C", "link-arg=-mcpu=cortex-m4",
    "-C", "link-arg=-mthumb",
    "-C", "link-arg=-Os",
    "-C", "link-arg=--specs=nano.specs",
]

# Teensy 3.5, 3.6
[target.thumbv7em-none-eabihf]
rustflags = [
    # Use the linker script automatically provided by
    #   teensy3-sys
    "-C", "link-arg=-Tteensy3-sys.ld",

    "-C", "link-arg=-Wl,--gc-sections,--defsym=__rtc_localtime=0",
    "-C", "link-arg=-Wl,--start-group",
    "-C", "link-arg=-Wl,--end-group",

    "-C", "link-arg=-lm",
    "-C", "link-arg=-lnosys",
    "-C", "link-arg=-lc",
    "-C", "link-arg=-lgcc",
    "-C", "link-arg=-mcpu=cortex-m4",
    "-C", "link-arg=-mthumb",
    "-C", "link-arg=-Os",
    "-C", "link-arg=--specs=nano.specs",

    "-C", "link-arg=-mfloat-abi=hard",
    "-C", "link-arg=-mfpu=fpv4-sp-d16",
]


# Can this be handled when generating the static library instead?
#   as long as the rust crate doesn't link directly against intrinsics?
##    "-C", "link-arg=-larm_cortexM4lf_math",