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Subject[RFC][PATCH 2/2] ftrace/kbuild: Add recordmcount files to force full build
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(-)

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 \
--
1.7.2.3



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