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[RFC,2/2] ftrace/kbuild: Add recordmcount files to force full build

Message ID 20110517021423.661004726@goodmis.org (mailing list archive)
State New, archived
Headers show

Commit Message

Steven Rostedt May 17, 2011, 2:10 a.m. UTC 
From: Steven Rostedt <srostedt@redhat.com>

Modifications to recordmcount must be performed on all object
files to stay consistent with what the kernel code may expect.
Add the recordmcount files to the force-deps to make sure
any change to them causes a full recompile.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 scripts/Makefile.build |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
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Patch

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 0ff5a58..057d6e9 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -252,6 +252,7 @@  sub_cmd_record_mcount =					\
 	if [ $(@) != "scripts/mod/empty.o" ]; then	\
 		$(objtree)/scripts/recordmcount "$(@)";	\
 	fi;
+force-deps += $(srctree)/scripts/recordmcount.c $(srctree)/scripts/recordmcount.h
 else
 sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
 	"$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
@@ -259,6 +260,7 @@  sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH
 	"$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
 	"$(LD)" "$(NM)" "$(RM)" "$(MV)" \
 	"$(if $(part-of-module),1,0)" "$(@)";
+force-deps += $(srctree)/scripts/recordmcount.pl
 endif
 cmd_record_mcount = 						\
 	if [ "$(findstring -pg,$(_c_flags))" = "-pg" ]; then	\