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kbuild: add stringify helper to quote a string passed to C files

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Make $(squote)$(quote)...$(quote)$(squote) a helper macro.
I will reuse it in the next commit.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2019-12-19 17:33:27 +09:00
parent a749926797
commit 7e826c44f5
2 changed files with 5 additions and 1 deletions
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4
scripts/Kbuild.include
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@ -32,6 +32,10 @@ real-prereqs = $(filter-out $(PHONY), $^)
# Escape single quote for use in echo statements
escsq = $(subst $(squote),'\$(squote)',$1)
###
# Quote a string to pass it to C files. foo => '"foo"'
stringify = $(squote)$(quote)$1$(quote)$(squote)
###
# Easy method for doing a status message
kecho := :

2
scripts/Makefile.lib
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@ -97,7 +97,7 @@ target-stem = $(basename $(patsubst $(obj)/%,%,$@))
# These flags are needed for modversions and compiling, so we define them here
# $(modname_flags) defines KBUILD_MODNAME as the name of the module it will
# end up in (or would, if it gets compiled in)
name-fix = $(squote)$(quote)$(subst $(comma),_,$(subst -,_,$1))$(quote)$(squote)
name-fix = $(call stringify,$(subst $(comma),_,$(subst -,_,$1)))
basename_flags = -DKBUILD_BASENAME=$(call name-fix,$(basetarget))
modname_flags = -DKBUILD_MODNAME=$(call name-fix,$(modname))