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scripts: add scripts/show-gnu-make to get GNU Make command name 

U-Boot is expected to be built on various platforms.

We should keep in mind that the command 'make' is not always GNU Make,
while all the makefiles are written for GNU Make.

For example, on Linux, people generally do:

  make <board>_config; make

But FreeBSD folks do

  gmake <board>_config; gmake

(The command 'make' on FreeBSD is BSD Make, not GNU Make)

It is not a good idea to hard-code the command name 'make'
in MAKEALL or buildman.

They should call this helper script and get the command name
for GNU Make.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
utp
Masahiro Yamada 2014-07-22 11:19:07 +09:00 committed by Tom Rini
parent 362f16b1e9
commit b68a406263
1 changed files with 25 additions and 0 deletions
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scripts/show-gnu-make 100755
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#!/bin/sh
#
# Show the command name for GNU Make
#
# U-Boot is supposed to be built on various platforms.
# One problem is that the command 'make' is not always GNU Make.
# (For ex. the command name for GNU Make on FreeBSD is usually 'gmake'.)
# It is not a good idea to hard-code the command name in scripts
# where where GNU Make is expected.
# Call this helper script to get the command name for GNU Make.
#
# SPDX-License-Identifier: GPL-2.0+
#
gnu_make=
for m in make gmake
do
if $m --version 2>/dev/null | grep -q GNU; then
echo $m
exit 0
fi
done
exit 1