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alistair23-linux
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kbuild: "PREEMPT" in UTS_VERSION 

From: Matt Mackall <mpm@selenic.com>

Add PREEMPT to UTS_VERSION where enabled as is done for SMP to make
preempt kernels easily identifiable.
Added SMP PREEMPT as comment in compile.h to force it to be
updated when they change (sam).

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
hifive-unleashed-5.1
Sam Ravnborg 2005-07-14 20:18:07 +00:00
parent 6d30e3a899
commit bd5bdd875b
2 changed files with 10 additions and 5 deletions
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3
init/Makefile
View File

@ -25,4 +25,5 @@ $(obj)/version.o: include/linux/compile.h
include/linux/compile.h: FORCE
@echo ' CHK $@'
@$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CC) $(CFLAGS)"
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
"$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(CFLAGS)"

12
scripts/mkcompile_h
View File

@ -1,7 +1,8 @@
TARGET=$1
ARCH=$2
SMP=$3
CC=$4
PREEMPT=$4
CC=$5
# If compile.h exists already and we don't own autoconf.h
# (i.e. we're not the same user who did make *config), don't
@ -26,8 +27,10 @@ fi
UTS_VERSION="#$VERSION"
if [ -n "$SMP" ] ; then UTS_VERSION="$UTS_VERSION SMP"; fi
UTS_VERSION="$UTS_VERSION `LC_ALL=C LANG=C date`"
CONFIG_FLAGS=""
if [ -n "$SMP" ] ; then CONFIG_FLAGS="SMP"; fi
if [ -n "$PREEMPT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT"; fi
UTS_VERSION="$UTS_VERSION $CONFIG_FLAGS `LC_ALL=C LANG=C date`"
# Truncate to maximum length
@ -37,7 +40,8 @@ UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/"
# Generate a temporary compile.h
( echo /\* This file is auto generated, version $VERSION \*/
if [ -n "$CONFIG_FLAGS" ] ; then echo "/* $CONFIG_FLAGS */"; fi
echo \#define UTS_MACHINE \"$ARCH\"
echo \#define UTS_VERSION \"`echo $UTS_VERSION | $UTS_TRUNCATE`\"