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| author | Bernhard Walle <bernhard@bwalle.de> | 2012-02-26 18:35:18 +0100 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2012-03-24 23:32:05 +0100 |
| commit | 875de98623fa2b29f0cb19915fe3292ab6daa1cb (patch) | |
| tree | bb72c4f6869fa6ae1d71423d68afdd174e301eee | |
| parent | db7f4e3d2b0a68eafc16a7b78ac0b7566db1e799 (diff) | |
| download | lwn-875de98623fa2b29f0cb19915fe3292ab6daa1cb.tar.gz lwn-875de98623fa2b29f0cb19915fe3292ab6daa1cb.zip | |
scripts/Kbuild.include: Fix portability problem of "echo -e"
"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@bwalle.de>
Andreas Bießmann <andreas@biessmann.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
| -rw-r--r-- | scripts/Kbuild.include | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index d897278b1f97..6a3ee981931d 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) |