mirror of
https://github.com/MarlinFirmware/Marlin.git
synced 2024-12-04 18:07:38 +00:00
47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
#
|
|
# common-cxxflags.py
|
|
# Convenience script to apply customizations to CPP flags
|
|
#
|
|
|
|
import pioutil
|
|
if pioutil.is_pio_build():
|
|
Import("env")
|
|
|
|
cxxflags = [
|
|
# "-Wno-incompatible-pointer-types",
|
|
# "-Wno-unused-const-variable",
|
|
# "-Wno-maybe-uninitialized",
|
|
# "-Wno-sign-compare"
|
|
]
|
|
if "teensy" not in env["PIOENV"]:
|
|
cxxflags += ["-Wno-register"]
|
|
env.Append(CXXFLAGS=cxxflags)
|
|
|
|
#
|
|
# Add CPU frequency as a compile time constant instead of a runtime variable
|
|
#
|
|
def add_cpu_freq():
|
|
if "BOARD_F_CPU" in env:
|
|
env["BUILD_FLAGS"].append("-DBOARD_F_CPU=" + env["BOARD_F_CPU"])
|
|
|
|
# Useful for JTAG debugging
|
|
#
|
|
# It will separate release and debug build folders.
|
|
# It useful to keep two live versions: a debug version for debugging and another for
|
|
# release, for flashing when upload is not done automatically by jlink/stlink.
|
|
# Without this, PIO needs to recompile everything twice for any small change.
|
|
if env.GetBuildType() == "debug" and env.get("UPLOAD_PROTOCOL") not in ["jlink", "stlink", "custom"]:
|
|
env["BUILD_DIR"] = "$PROJECT_BUILD_DIR/$PIOENV/debug"
|
|
|
|
def on_program_ready(source, target, env):
|
|
import shutil
|
|
shutil.copy(target[0].get_abspath(), env.subst("$PROJECT_BUILD_DIR/$PIOENV"))
|
|
|
|
env.AddPostAction("$PROGPATH", on_program_ready)
|
|
|
|
# On some platform, F_CPU is a runtime variable. Since it's used to convert from ns
|
|
# to CPU cycles, this adds overhead preventing small delay (in the order of less than
|
|
# 30 cycles) to be generated correctly. By using a compile time constant instead
|
|
# the compiler will perform the computation and this overhead will be avoided
|
|
add_cpu_freq()
|