lkml.org 
[lkml]   [2019]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] nds32: vdso: fix and clean-up Makefile
Date
- $(call if_changed,...) must have FORCE as a prerequisite

- vdso.lds is a generated file, so it should be prefixed with
$(obj)/ instead of $(src)/.

- cmd_vdsosym is a one-liner rule, so the assignment with '='
is simpler.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

arch/nds32/kernel/vdso/Makefile | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile
index e6c50a7..01a9610 100644
--- a/arch/nds32/kernel/vdso/Makefile
+++ b/arch/nds32/kernel/vdso/Makefile
@@ -28,7 +28,7 @@ CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
$(obj)/vdso.o : $(obj)/vdso.so

# Link rule for the .so file, .lds has to be first
-$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso)
+$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
$(call if_changed,vdsold)


@@ -40,9 +40,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
# Generate VDSO offsets using helper script
gen-vdsosym := $(srctree)/$(src)/gen_vdso_offsets.sh
quiet_cmd_vdsosym = VDSOSYM $@
-define cmd_vdsosym
- $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@
-endef
+ cmd_vdsosym = $(NM) $< | $(gen-vdsosym) | LC_ALL=C sort > $@

include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE
$(call if_changed,vdsosym)
@@ -65,7 +63,7 @@ gettimeofday.o : gettimeofday.c FORCE

# Actual build commands
quiet_cmd_vdsold = VDSOL $@
- cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@
+ cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $(real-prereqs) -o $@
quiet_cmd_vdsoas = VDSOA $@
cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $<
quiet_cmd_vdsocc = VDSOA $@
--
2.7.4
\
 
 \ /
  Last update: 2019-04-03 10:38    [W:0.051 / U:1.564 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site