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authorIngo Molnar <mingo@kernel.org>2020-03-21 09:23:40 +0100
committerIngo Molnar <mingo@kernel.org>2020-03-21 09:24:41 +0100
commita4654e9bde4ecedb4921e6c8fe2088114bdff1b3 (patch)
tree1b9970b520d7bc7176cc9460fe67f210be5ea181 /scripts/Kconfig.include
parent7add7875a8eb4ffe5eddaf8a11e409c9e1b6e3f3 (diff)
parente4160b2e4b02377c67f8ecd05786811598f39acd (diff)
Merge branch 'x86/kdump' into locking/kcsan, to resolve conflicts
Conflicts: arch/x86/purgatory/Makefile Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/Kconfig.include')
-rw-r--r--scripts/Kconfig.include6
1 files changed, 5 insertions, 1 deletions
diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include
index d4adfbe42690..85334dc8c997 100644
--- a/scripts/Kconfig.include
+++ b/scripts/Kconfig.include
@@ -25,12 +25,16 @@ failure = $(if-success,$(1),n,y)
# $(cc-option,<flag>)
# Return y if the compiler supports <flag>, n otherwise
-cc-option = $(success,$(CC) -Werror $(CLANG_FLAGS) $(1) -E -x c /dev/null -o /dev/null)
+cc-option = $(success,$(CC) -Werror $(CLANG_FLAGS) $(1) -S -x c /dev/null -o /dev/null)
# $(ld-option,<flag>)
# Return y if the linker supports <flag>, n otherwise
ld-option = $(success,$(LD) -v $(1))
+# $(as-instr,<instr>)
+# Return y if the assembler supports <instr>, n otherwise
+as-instr = $(success,printf "%b\n" "$(1)" | $(CC) $(CLANG_FLAGS) -c -x assembler -o /dev/null -)
+
# check if $(CC) and $(LD) exist
$(error-if,$(failure,command -v $(CC)),compiler '$(CC)' not found)
$(error-if,$(failure,command -v $(LD)),linker '$(LD)' not found)