Files
Tasmota/pio-tools/add_c_flags.py
2026-05-25 17:09:36 +02:00

83 lines
2.2 KiB
Python

Import("env")
import json
import re
from pathlib import Path
build_flags = env['BUILD_FLAGS']
mcu = env.get("BOARD_MCU").lower()
# Determine IDF version
idf_major = idf_minor = idf_patch = None
def _detect_idf_version():
platform = env.PioPlatform()
def _safe_get_package_dir(package_name):
try:
return platform.get_package_dir(package_name)
except Exception:
return None
package_dirs = [
_safe_get_package_dir("framework-arduinoespressif32"),
_safe_get_package_dir("framework-arduinoespressif32-libs"),
]
pkg_candidates = []
for package_dir in package_dirs:
if not package_dir:
continue
package_path = Path(package_dir)
pkg_candidates.extend([
package_path / "tools" / "esp32-arduino-libs" / "package.json",
package_path / "package.json",
])
for pkg_json in pkg_candidates:
if not pkg_json.is_file():
continue
try:
with pkg_json.open() as f:
version_str = str(json.load(f).get("version", ""))
match = re.search(r"(\d+)\.(\d+)\.(\d+)", version_str)
if match:
return tuple(int(part) for part in match.groups())
except Exception:
pass
return None
idf_version = _detect_idf_version()
if idf_version:
idf_major, idf_minor, idf_patch = idf_version
# print(f"IDF version: {idf_major}.{idf_minor}.{idf_patch}")
# General options that are passed to the C++ compiler
env.Append(CXXFLAGS=["-Wno-volatile"])
# General options that are passed to the C compiler (C only; not C++).
env.Append(CFLAGS=["-Wno-discarded-qualifiers", "-Wno-implicit-function-declaration", "-Wno-incompatible-pointer-types"])
# Remove build flags which are not valid for risc-v
if mcu not in ("esp32", "esp32s2", "esp32s3"):
try:
build_flags.pop(build_flags.index("-mno-target-align"))
except:
pass
try:
build_flags.pop(build_flags.index("-mtarget-align"))
except:
pass
# Remove -DUSE_SHA_ROM when building with IDF versions earlier than v5.5.4,
# as it is not supported in Tasmota code.
if idf_version and idf_version < (5, 5, 4):
try:
build_flags.pop(build_flags.index("-DUSE_SHA_ROM"))
print("Removed -DUSE_SHA_ROM from build flags for compatibility with IDF versions earlier than v5.5.4")
except:
pass