| Server IP : 209.38.156.173 / Your IP : 216.73.216.122 [ Web Server : Apache/2.4.52 (Ubuntu) System : Linux lakekumayuhotel 5.15.0-136-generic #147-Ubuntu SMP Sat Mar 15 15:53:30 UTC 2025 x86_64 User : root ( 0) PHP Version : 8.1.2-1ubuntu2.22 Disable Function : NONE Domains : 2 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /proc/1534260/root/usr/src/linux-headers-5.15.0-136/scripts/kconfig/tests/preprocess/escape/ |
Upload File : |
# SPDX-License-Identifier: GPL-2.0
# Shorthand
warning = $(warning-if,y,$(1))
# You can not pass commas directly to a function since they are treated as
# delimiters. You can use the following trick to do so.
comma := ,
$(warning,hello$(comma) world)
# Like Make, single quotes, double quotes, spaces are treated verbatim.
# The following prints the text as-is.
$(warning, ' " '" ' ''' "'")
# Unlike Make, '$' has special meaning only when it is followed by '('.
# No need to escape '$' itself.
$(warning,$)
$(warning,$$)
$ := 1
$(warning,$($))
# You need a trick to escape '$' followed by '('
# The following should print "$(X)". It should not be expanded further.
dollar := $
$(warning,$(dollar)(X))
# You need a trick to treat unbalanced parentheses.
# The following should print "(".
left_paren := (
$(warning,$(left_paren))
# A simple expanded should not be expanded multiple times.
# The following should print "$(X)". It should not be expanded further.
Y := $(dollar)(X)
$(warning,$(Y))
# The following should print "$(X)" as well.
Y = $(dollar)(X)
$(warning,$(Y))
# The following should print "$(".
# It should not be emit "unterminated reference" error.
unterminated := $(dollar)(
$(warning,$(unterminated))