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authorMasahiro Yamada <masahiroy@kernel.org>2019-12-19 17:33:27 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2020-01-07 02:18:38 +0900
commit7e826c44f5de3be00369d534dc38db485f6f26d5 (patch)
treef288b156cb35630aa63a91f9e0551098f10a2446 /scripts
parentkbuild: use pattern rule for building built-in.a in sub-directories (diff)
downloadlinux-dev-7e826c44f5de3be00369d534dc38db485f6f26d5.tar.xz
linux-dev-7e826c44f5de3be00369d534dc38db485f6f26d5.zip
kbuild: add stringify helper to quote a string passed to C files
Make $(squote)$(quote)...$(quote)$(squote) a helper macro. I will reuse it in the next commit. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Kbuild.include4
-rw-r--r--scripts/Makefile.lib2
2 files changed, 5 insertions, 1 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index bc5f25763c1b..88c144787e57 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -33,6 +33,10 @@ real-prereqs = $(filter-out $(PHONY), $^)
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 := :
quiet_kecho := echo
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 724aa3e9b4a8..e5e5339bb575 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -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))