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# $Id: example-spaces.kmk 3316 2020-03-31 01:13:22Z bird $
## @file
# kBuild - examples of GNU make filename quoting (escaping).
#
#
# Copyright (c) 2020 knut st. osmundsen <bird-kBuild-spamxx@anduin.net>
#
# This file is part of kBuild.
#
# kBuild is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# kBuild is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with kBuild. If not, see <http://www.gnu.org/licenses/>
#
#
all: \
phoney\ space\ \ 1 \
phoney\ colon\:\ 2 \
phoney\ hash\#\ 3 \
phoney\ dollar$$\ 4 \
phoney\ slash-space\\\ 5 \
phoney\ slash-hash\\\#\ 6 \
phoney\ slash-slash-hash\\\\\#\ 7 \
phoney\ percent%\ 10 \
phoney\ pipe\|\ 11 \
phoney\ plus+\ 12 \
all-trailing-slashes1 \
all-trailing-slashes2 \
all-trailing-slashes3 \
all-trailing-spaces1 \
all-trailing-spaces2 \
all-trailing-spaces3 \
all-trailing-spaces4 \
phoney\ 19-target-trailing-space-with-padding\ ignore \
phoney\ 20-target-trailing-space-with-newline-padding\ ignore \
phoney\ 21-target-trailing-space-with-newline-padding-and-tail\ my-tail-21
ignore:
#
# Trailing slashes are complicated in dependency lists:
#
# Variant #1: Must have a line-continutation to work if last in the list, but no extra escaping.
# This doesn't work: all-trailing-slashes1: phoney\ trailing-slash13\
# This doesn't work: all-trailing-slashes1: phoney\ trailing-slash13\\
all-trailing-slashes1: phoney\ trailing-slash13\ \
all-trailing-slashes2: phoney\ trailing-slash13b\ \
\
\
\
# Variant #2: If there are more dependencies following it, we must escape the trailing slash
all-trailing-slashes3: \
phoney\ trailing-slash14\\ \
phoney\ space\ \ 1 # whatever
#
# Trailing spaces only works if there is a target following on the same line.
#
all-trailing-spaces1: phoney\ 15-trailing-space\ phoney_simple
# Note! No stripping spaces! Trailing space here that gets stripped instead of escaped.
all-trailing-spaces2: phoney\ 16-no-trailing-space\
all-trailing-spaces3: phoney\ 17-3x-escaped-newlines\ \
\
\
becomes-single-space
# Note! Must have a trailing space or comment.
all-trailing-spaces4: phoney\ 18-3x-escaped-trailing-spaces-no-newline\ \ \ #
#
# TODO
#
#busted: phoney\ equal\=\ 8 \
#impossible: phoney\ semi\;\ 9 \
#
# The rules.
#
phoney_simple:
phoney\ space\ \ 1:
echo "#1: '$@'"
phoney\ colon\:\ 2:
echo "#2: '$@'"
phoney\ hash\#\ 3 :
echo "#3: '$@'"
phoney\ dollar$$\ 4 :
echo "#4: '$@'"
phoney\ slash-space\\\ 5:
echo "#5: '$@'"
phoney\ slash-hash\\\#\ 6:
echo "#6: '$@'"
phoney\ slash-slash-hash\\\\\#\ 7:
echo "#7: '$@'"
## This is busted:
#phoney\ equal=\ 8:
# echo "#8: '$@'"
## This seems impossible:
#phoney\ semi\;:
# echo "#9: '$@'"
phoney\ percent\%\ 10: # Note! The percent is only escaped on the target side!
echo "#10: '$@'"
phoney\ pipe|\ 11: # Note! The pipe is only escaped on the dependency list side!
echo "#11: '$@'"
phoney\ plus+\ 12:
echo "#12: '$@'"
phoney\ trailing-slash13\\:
echo "#13: '$@'"
phoney\ trailing-slash13b\\:
echo "#13b: '$@'"
phoney\ trailing-slash14\\:
echo "#14: '$@'"
phoney\ 15-trailing-space\ :
echo "#15: '$@'"
phoney\ 16-no-trailing-space\\:
echo "#16: '$@'"
phoney\ 17-3x-escaped-newlines\ becomes-single-space:
echo "#17: '$@'"
phoney\ 18-3x-escaped-trailing-spaces-no-newline\ \ \\:
echo "#18: '$@'"
phoney\ 19-target-trailing-space-with-padding\ :
echo "#19: '$@'"
phoney\ 20-target-trailing-space-with-newline-padding\ \
\
:
echo "#20: '$@'"
phoney\ 21-target-trailing-space-with-newline-padding-and-tail\ \
\
\
\
my-tail-21:
echo "#21: '$@'"
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