* [patch 14/18] kbuild: fix ld-option Makefile macro to really work
@ 2009-09-18 19:49 akpm
0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2009-09-18 19:49 UTC (permalink / raw)
To: sam; +Cc: linux-kbuild, akpm, andi, ak
From: Andi Kleen <andi@firstfloor.org>
Needed for the next patch, "kbuild: check if linker supports the -X
option".
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
scripts/Kbuild.include | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN scripts/Kbuild.include~kbuild-fix-ld-option-makefile-macro-to-really-work scripts/Kbuild.include
--- a/scripts/Kbuild.include~kbuild-fix-ld-option-makefile-macro-to-really-work
+++ a/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,)
@@ -133,7 +134,7 @@ cc-ifversion = $(shell [ $(call cc-versi
# ld-option
# Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
ld-option = $(call try-run,\
- $(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))
+ $(CC) /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2))
######
_
^ permalink raw reply [flat|nested] 2+ messages in thread
* [patch 14/18] kbuild: fix ld-option Makefile macro to really work
@ 2009-09-14 21:49 akpm
0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2009-09-14 21:49 UTC (permalink / raw)
To: sam; +Cc: linux-kbuild, akpm, andi, ak
From: Andi Kleen <andi@firstfloor.org>
Needed for the next patch, "kbuild: check if linker supports the -X
option".
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
scripts/Kbuild.include | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN scripts/Kbuild.include~kbuild-fix-ld-option-makefile-macro-to-really-work scripts/Kbuild.include
--- a/scripts/Kbuild.include~kbuild-fix-ld-option-makefile-macro-to-really-work
+++ a/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,)
@@ -133,7 +134,7 @@ cc-ifversion = $(shell [ $(call cc-versi
# ld-option
# Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
ld-option = $(call try-run,\
- $(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))
+ $(CC) /dev/null -c -o "$$TMPO" ; $(LD) $(1) "$$TMPO" -o "$$TMP",$(1),$(2))
######
_
^ permalink raw reply [flat|nested] 2+ messages in thread
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