Re: linux-next: build failure after merge of the akpm-current tree

Thiago Jung Bauermann
2016-11-24T15:02:39Z

Hello Stephen,

Am Donnerstag, 24. November 2016, 16:01:51 BRST schrieb Stephen Rothwell:
> Hi Andrew,
>
> After merging the akpm-current tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> powerpc-linux-ld: unrecognized option '--no-dynamic-linker'
>
> Caused by patch
>
> "powerpc: add purgatory for kexec_file_load implementation"
>

Sorry about that. --no-dynamic-linker was added in binutils 2.26.
The patch below fixes the problem.

--
Thiago Jung Bauermann
IBM Linux Technology Center

diff --git a/arch/powerpc/purgatory/Makefile b/arch/powerpc/purgatory/Makefile
index 2dfb53ac9944..cf6e78b9af86 100644
--- a/arch/powerpc/purgatory/Makefile
+++ b/arch/powerpc/purgatory/Makefile
@@ -6,8 +6,10 @@ purgatory-y := purgatory.o string.o v2wrap.o purgatory-ppc64.o crtsavres.o \
targets += $(purgatory-y)
PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))

-LDFLAGS_purgatory.ro := -pie --no-dynamic-linker -e purgatory_start \
- --no-undefined -nostartfiles -nostdlib -nodefaultlibs
+LDFLAGS_purgatory.ro := -pie -e purgatory_start --no-undefined -nostartfiles \
+ -nostdlib -nodefaultlibs
+LDFLAGS_purgatory.ro += $(call ld-option, --no-dynamic-linker)
+
targets += purgatory.ro

KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE), $(KBUILD_CFLAGS))