On Sun, Feb 26, 2012 at 06:35:18PM +0100, Bernhard Walle wrote: > "echo -e" is a GNU extension. When cross-compiling the kernel on a > BSD-like operating system (Mac OS X in my case), this doesn't work. > > One could install a GNU version of echo, put that in the $PATH before > the system echo and use "/usr/bin/env echo", but the solution with > printf is simpler. > > Since it is no disadvantage on Linux, I hope that gets accepted even if > cross-compiling the Linux kernel on another Unix operating system is > quite a rare use case. > > Signed-off-by: Bernhard Walle <bernhard@xxxxxxxxx> > --- > scripts/Kbuild.include | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include > index d897278..6a3ee98 100644 > --- a/scripts/Kbuild.include > +++ b/scripts/Kbuild.include > @@ -104,7 +104,7 @@ as-option = $(call try-run,\ > # Usage: cflags-y += $(call as-instr,instr,option1,option2) > > as-instr = $(call try-run,\ > - /bin/echo -e "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3)) > + printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3)) > > # cc-option > # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586) Roman Zippel removed use of printf in this patch: beda9f3a13bbb22cde92a45f230a02ef2afef6a9 I cannot remember why - but it would be good if you could dig up why - just so we do not hit an old issue again. Sam -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
