tree 784c07015c29801a923388641d2667af6d3b027a
parent 1502a40b68dc6dd161a792aee03f979d677c18f1
author Anthony DiGirolamo <tonymd@google.com> 1604201514 -0700
committer CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com> 1604439474 +0000

pw_arduino_build: Remove duplicate c-flags from asm/cppflags

Teensy cores have cflags included in the asmflag and cppflag recipes.
This causes gn to effectively duplicate cflags when building asm and
cpp files. This CL adds --s-only-flags and --cpp-only-flags options
which remove cflags from each respectively.

Add --ld-lib-names option.
If --ld-libs returns: -larm_cortexM7lfsp_math -lm -lstdc++
Then --ld-lib-names returns: arm_cortexM7lfsp_math m stdc++

Add a --flash-only option to arduino_unit_test_runner.

Change-Id: I1906d6f846f12ceb8ca42c498a7b216e0e3ba7e2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/23086
Reviewed-by: Armando Montanez <amontanez@google.com>
Commit-Queue: Anthony DiGirolamo <tonymd@google.com>