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

[Andi Kleen]

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

Needed for the next patch

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>

---
 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))
+
 ######
 
 ###
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/