# This file adds the compiler + linker options to enable floating point on
# the STM32.
# Drop this file into the base directory of your project (alongside platformio.ini)
# and add the line below to platformio.ini:
# extra_scripts = pre:configure_linker.py

Import("env")

# Print out the current build environment (useful for checking what flags were actually set from platformio.ini)
#print(env.Dump())

# Use full C standard libary (to get printing of 64-bit variables)
#env["LINKFLAGS"].remove("--specs=nano.specs")

# Use hard-float ABI
flags = [
   "-mfloat-abi=hard",
   "-mfpu=fpv4-sp-d16"
]

env.Append(CCFLAGS=flags, LINKFLAGS=flags)

# Print the modified build environment (to be sure it worked!)
#print(env.Dump())