@@ -79,11 +79,14 @@ UBSAN_SANITIZE := n
# Shared build commands.
#
+quiet_cmd_vdsold_and_vdso_check = LD $@
+ cmd_vdsold_and_vdso_check = $(cmd_vdsold); $(cmd_vdso_check)
+
quiet_cmd_vdsold = VDSO $@
cmd_vdsold = $(CC) $(c_flags) $(VDSO_LDFLAGS) \
-Wl,-T $(filter %.lds,$^) $(filter %.o,$^) -o $@
-quiet_cmd_vdsoas_o_S = AS $@
+quiet_cmd_vdsoas_o_S = AS $@
cmd_vdsoas_o_S = $(CC) $(a_flags) -c -o $@ $<
# Strip rule for the raw .so files
@@ -119,8 +122,7 @@ $(obj-vdso): KBUILD_AFLAGS := $(aflags-vdso) $(native-abi)
$(obj)/vdso.lds: KBUILD_CPPFLAGS := $(ccflags-vdso) $(native-abi)
$(obj)/vdso.so.dbg.raw: $(obj)/vdso.lds $(obj-vdso) FORCE
- $(call if_changed,vdsold)
- $(call if_changed,vdso_check)
+ $(call if_changed,vdsold_and_vdso_check)
$(obj)/vdso-image.c: $(obj)/vdso.so.dbg.raw $(obj)/vdso.so.raw \
$(obj)/genvdso FORCE
@@ -158,8 +160,7 @@ $(obj)/vdso-o32.lds: $(src)/vdso.lds.S FORCE
$(call if_changed_dep,cpp_lds_S)
$(obj)/vdso-o32.so.dbg.raw: $(obj)/vdso-o32.lds $(obj-vdso-o32) FORCE
- $(call if_changed,vdsold)
- $(call if_changed,vdso_check)
+ $(call if_changed,vdsold_and_vdso_check)
$(obj)/vdso-o32-image.c: VDSO_NAME := o32
$(obj)/vdso-o32-image.c: $(obj)/vdso-o32.so.dbg.raw $(obj)/vdso-o32.so.raw \
@@ -199,8 +200,7 @@ $(obj)/vdso-n32.lds: $(src)/vdso.lds.S FORCE
$(call if_changed_dep,cpp_lds_S)
$(obj)/vdso-n32.so.dbg.raw: $(obj)/vdso-n32.lds $(obj-vdso-n32) FORCE
- $(call if_changed,vdsold)
- $(call if_changed,vdso_check)
+ $(call if_changed,vdsold_and_vdso_check)
$(obj)/vdso-n32-image.c: VDSO_NAME := n32
$(obj)/vdso-n32-image.c: $(obj)/vdso-n32.so.dbg.raw $(obj)/vdso-n32.so.raw \
Running "make" on an already compiled kernel tree will rebuild the vdso library even if this has not been modified. $ make GEN Makefile Using linux as source for kernel CALL linux/scripts/atomic/check-atomics.sh CALL linux/scripts/checksyscalls.sh <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] CHK include/generated/compile.h VDSO arch/mips/vdso/vdso.so.dbg.raw OBJCOPY arch/mips/vdso/vdso.so.raw GENVDSO arch/mips/vdso/vdso-image.c CC arch/mips/vdso/vdso-image.o AR arch/mips/vdso/built-in.a AR arch/mips/built-in.a CHK include/generated/autoksyms.h GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o AR init/built-in.a LD vmlinux.o MODPOST vmlinux.o MODINFO modules.builtin.modinfo KSYM .tmp_kallsyms1.o KSYM .tmp_kallsyms2.o LD vmlinux SORTEX vmlinux SYSMAP System.map Building modules, stage 2. ITS arch/mips/boot/vmlinux.gz.its OBJCOPY arch/mips/boot/vmlinux.bin MODPOST 7 modules GZIP arch/mips/boot/vmlinux.bin.gz ITB arch/mips/boot/vmlinux.gz.itb The issue is generated by the fact that "if_changed" is called twice in a single target. Fix the build bug merging the two commands into a single function. Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- arch/mips/vdso/Makefile | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-)