Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH v2 2/2] kbuild: lto: preserve MAKEFLAGS for module linking | Date | Tue, 19 Jul 2022 10:41:49 +0200 |
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From: Martin Liska <mliska@suse.cz>
Prefix command in makefile run in order to preserve access to jobserver. This is needed for gcc at least.
Fixes this warning: lto-wrapper: warning: jobserver is not available: ‘--jobserver-auth=’ is not present in ‘MAKEFLAGS’
Cc: Sedat Dilek <sedat.dilek@gmail.com> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Michal Marek <michal.lkml@markovi.net> Cc: Nick Desaulniers <ndesaulniers@google.com> Fixes: 5d45950dfbb1 (kbuild: move vmlinux.o link to scripts/Makefile.vmlinux_o) Signed-off-by: Martin Liska <mliska@suse.cz> Signed-off-by: Jiri Slaby <jslaby@suse.cz> ---
Notes: [v2] this is new in v2
scripts/Makefile.build | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index bb63374fb055..493f3c4e8461 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -247,8 +247,8 @@ endef # Built-in and composite module parts $(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE - $(call if_changed_rule,cc_o_c) - $(call cmd,force_checksrc) + +$(call if_changed_rule,cc_o_c) + +$(call cmd,force_checksrc) # To make this rule robust against "Argument list too long" error, # ensure to add $(obj)/ prefix by a shell command. @@ -457,7 +457,7 @@ endef $(multi-obj-m): objtool-enabled := $(delay-objtool) $(multi-obj-m): part-of-module := y $(multi-obj-m): %.o: %.mod FORCE - $(call if_changed_rule,ld_multi_m) + +$(call if_changed_rule,ld_multi_m) $(call multi_depend, $(multi-obj-m), .o, -objs -y -m) targets := $(filter-out $(PHONY), $(targets)) -- 2.37.1
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