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sim: Suppress no symbol warnings for macOS

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YAMAMOTO Takashi 2020-05-01 17:20:11 +09:00 committed by Xiang Xiao
parent 1195228109
commit 19cc84ed4a
3 changed files with 48 additions and 2 deletions
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3
boards/sim/sim/sim/configs/cxxtest/Make.defs
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@ -62,10 +62,11 @@ CPP = $(CROSSDEV)cc -E
LD = $(CROSSDEV)ld LD = $(CROSSDEV)ld
ifeq ($(CONFIG_HOST_MACOS),y) ifeq ($(CONFIG_HOST_MACOS),y)
STRIP = $(CROSSDEV)strip STRIP = $(CROSSDEV)strip
AR = $(TOPDIR)/tools/macar-rcs.sh
else else
STRIP = $(CROSSDEV)strip --strip-unneeded STRIP = $(CROSSDEV)strip --strip-unneeded
endif
AR = $(CROSSDEV)ar rcs AR = $(CROSSDEV)ar rcs
endif
NM = $(CROSSDEV)nm NM = $(CROSSDEV)nm
OBJCOPY = $(CROSSDEV)objcopy OBJCOPY = $(CROSSDEV)objcopy
OBJDUMP = $(CROSSDEV)objdump OBJDUMP = $(CROSSDEV)objdump

3
boards/sim/sim/sim/scripts/Make.defs
View File

@ -64,10 +64,11 @@ CPP = $(CROSSDEV)cc -E -P -x c
LD = $(CROSSDEV)ld LD = $(CROSSDEV)ld
ifeq ($(CONFIG_HOST_MACOS),y) ifeq ($(CONFIG_HOST_MACOS),y)
STRIP = $(CROSSDEV)strip STRIP = $(CROSSDEV)strip
AR = $(TOPDIR)/tools/macar-rcs.sh
else else
STRIP = $(CROSSDEV)strip --strip-unneeded STRIP = $(CROSSDEV)strip --strip-unneeded
endif
AR = $(CROSSDEV)ar rcs AR = $(CROSSDEV)ar rcs
endif
NM = $(CROSSDEV)nm NM = $(CROSSDEV)nm
OBJCOPY = $(CROSSDEV)objcopy OBJCOPY = $(CROSSDEV)objcopy
OBJDUMP = $(CROSSDEV)objdump OBJDUMP = $(CROSSDEV)objdump

44
tools/macar-rcs.sh Executable file
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@ -0,0 +1,44 @@
#! /usr/bin/env bash
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This is an "ar rcs" equivalent without "no symbols" warnings.
# Background:
#
# NuttX assumes that it's ok to create
#
# - An object without any symbols ("has no symbols")
# - A library without any symbols ("the table of contents is empty")
#
# While macOS's ranlib/libtool can handle those cases,
# it produces warnings cited in the parentheses.
# NuttX developers are not happy with those warnings.
# NuttX developers are not happy with providing per-library dummy
# objects either.
#
# The "has no symbols" warning can be supressed with
# the -no_warning_for_no_symbols option if you are using
# a recent enough version of ranlib/libtool.
# (Unfortunately, ar doesn't have a way to pass the option to ranlib.)
# However, there seems to be no way to suppress the
# "the table of contents is empty" warning. (thus the grep below)
#
# Reference:
#
# https://opensource.apple.com/source/cctools/cctools-949.0.1/misc/
set -e
ar rcS "$@"
# Note: the following line is using bash process substitution
ranlib -no_warning_for_no_symbols "$1" 2> >(grep -F -v "the table of contents is empty")