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ARM toolchain - add support for small-build #2210

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ARM toolchain - add support for small-build #2210

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28 changes: 28 additions & 0 deletions tools/toolchains/arm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,34 @@ def __init__(self, target, options=None, notify=None, macros=None, silent=False,
self.ar = join(ARM_BIN, "armar")
self.elf2bin = join(ARM_BIN, "fromelf")

# Use latest gcc nanolib
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comment is a copy paste error from gcc.py ?

if "big-build" in self.options:
use_microlib = False
elif "small-build" in self.options:
use_microlib = True
elif target.default_build == "standard":
use_microlib = False
elif target.default_build == "small":
use_microlib = True
else:
use_microlib = False

if use_microlib:
# Extend flags
self.flags['common'] += ["-D__MICROLIB, -DMBED_RTOS_SINGLE_THREAD"]
self.flags['c'] += ["--library_type=microlib"]
self.flags['ld'] += ["--library_type=microlib"]

# Run-time values
self.asm += ["-D__MICROLIB"]
self.cc += ["-D__MICROLIB", "--library_type=microlib"]
self.cppc += ["-D__MICROLIB", "--library_type=microlib"]
self.ld += ["--library_type=microlib"]

# Only allow a single thread
self.cc += ["-DMBED_RTOS_SINGLE_THREAD"]
self.cppc += ["-DMBED_RTOS_SINGLE_THREAD"]

def parse_dependencies(self, dep_path):
dependencies = []
for line in open(dep_path).readlines():
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