* Kyungsik Lee <kyungsik.lee@xxxxxxx> wrote: > LZ4 has been updated with LZ4 Streaming Format specification(v1.3). > lz4demo is replaced by lz4c. lz4c supports both the new streaming and > legacy format with -l option. > > This patch makes use of lz4c to support legacy format which is > used for LZ4 De/compression in the linux kernel. > > Link: https://code.google.com/p/lz4/source/checkout > Signed-off-by: Kyungsik Lee <kyungsik.lee@xxxxxxx> > Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Russell King <rmk@xxxxxxxxxxxxxxxx> > Cc: Borislav Petkov <bp@xxxxxxxxx> > Cc: Florian Fainelli <florian@xxxxxxxxxxx> > Cc: Yann Collet <yann.collet.73@xxxxxxxxx> > Cc: Chanho Min <chanho.min@xxxxxxx> > --- > scripts/Makefile.lib | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > index a0ab6d7..c9bfbb0 100644 > --- a/scripts/Makefile.lib > +++ b/scripts/Makefile.lib > @@ -313,7 +313,7 @@ cmd_lzo = (cat $(filter-out FORCE,$^) | \ > > quiet_cmd_lz4 = LZ4 $@ > cmd_lz4 = (cat $(filter-out FORCE,$^) | \ > - lz4demo -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ > + lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ > (rm -f $@ ; false) None of the major distros I tried has the lz4 or lz4c binary available, and this breaks randconfig builds: /bin/sh: lz4c: command not found If: CONFIG_HAVE_KERNEL_LZ4=y CONFIG_KERNEL_LZ4=y CONFIG_RD_LZ4=y CONFIG_LZ4_DECOMPRESS=y CONFIG_DECOMPRESS_LZ4=y If a utility is not widely available yet and if the utility is not in the kernel proper, could you please at least make sure that randconfig does not stumble over non-buildable kernels? Thanks, Ingo -- 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
