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    Subject[PATCH] [1/2] kbuild: Add a really-ld-option macro
    Date

    Different from the existing ld macro by checking $(LD)

    Needed for the next patch

    Signed-off-by: Andi Kleen <ak@linux.intel.com>

    ---
    scripts/Kbuild.include | 9 ++++++++-
    1 file changed, 8 insertions(+), 1 deletion(-)

    Index: linux-2.6.31-ak/scripts/Kbuild.include
    ===================================================================
    --- linux-2.6.31-ak.orig/scripts/Kbuild.include
    +++ linux-2.6.31-ak/scripts/Kbuild.include
    @@ -83,11 +83,12 @@ TMPOUT := $(if $(KBUILD_EXTMOD),$(firstw
    # is automatically cleaned up.
    try-run = $(shell set -e; \
    TMP="$(TMPOUT).$$$$.tmp"; \
    + TMPO="$(TMPOUT).$$$$.o"; \
    if ($(1)) >/dev/null 2>&1; \
    then echo "$(2)"; \
    else echo "$(3)"; \
    fi; \
    - rm -f "$$TMP")
    + rm -f "$$TMP" "$$TMPO")

    # as-option
    # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
    @@ -135,6 +136,12 @@ cc-ifversion = $(shell [ $(call cc-versi
    ld-option = $(call try-run,\
    $(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))

    +# really-ld-option
    +# checks $(LD) unlike ld-option
    +# Usage: LDFLAGS += $(call really-ld-option, -X)
    +really-ld-option = $(call try-run,\
    + $(CC) /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2))
    +
    ######

    ###

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