mirror of
https://github.com/torvalds/linux.git
synced 2024-12-18 00:53:40 +00:00
79 lines
2.1 KiB
Plaintext
79 lines
2.1 KiB
Plaintext
|
TARGET=$1
|
||
|
|
ARCH=$2
|
||
|
|
SMP=$3
|
||
|
|
CC=$4
|
||
|
|
|
||
|
|
# 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
|
||
|
|
# modify compile.h
|
||
|
|
# So "sudo make install" won't change the "compiled by <user>"
|
||
|
|
# do "compiled by root"
|
||
|
|
|
||
|
|
if [ -r $TARGET -a ! -O include/linux/autoconf.h ]; then
|
||
|
|
echo " SKIPPED $TARGET"
|
||
|
|
exit 0
|
||
|
|
fi
|
||
|
|
|
||
|
|
# Do not expand names
|
||
|
|
set -f
|
||
|
|
|
||
|
|
if [ -r .version ]; then
|
||
|
|
VERSION=`cat .version`
|
||
|
|
else
|
||
|
|
VERSION=0
|
||
|
|
echo 0 > .version
|
||
|
|
fi
|
||
|
|
|
||
|
|
|
||
|
|
UTS_VERSION="#$VERSION"
|
||
|
|
if [ -n "$SMP" ] ; then UTS_VERSION="$UTS_VERSION SMP"; fi
|
||
|
|
UTS_VERSION="$UTS_VERSION `LC_ALL=C LANG=C date`"
|
||
|
|
|
||
|
|
# Truncate to maximum length
|
||
|
|
|
||
|
|
UTS_LEN=64
|
||
|
|
UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/"
|
||
|
|
|
||
|
|
# Generate a temporary compile.h
|
||
|
|
|
||
|
|
( echo /\* This file is auto generated, version $VERSION \*/
|
||
|
|
|
||
|
|
echo \#define UTS_MACHINE \"$ARCH\"
|
||
|
|
|
||
|
|
echo \#define UTS_VERSION \"`echo $UTS_VERSION | $UTS_TRUNCATE`\"
|
||
|
|
|
||
|
|
echo \#define LINUX_COMPILE_TIME \"`LC_ALL=C LANG=C date +%T`\"
|
||
|
|
echo \#define LINUX_COMPILE_BY \"`whoami`\"
|
||
|
|
echo \#define LINUX_COMPILE_HOST \"`hostname | $UTS_TRUNCATE`\"
|
||
|
|
|
||
|
|
if [ -x /bin/dnsdomainname ]; then
|
||
|
|
echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname | $UTS_TRUNCATE`\"
|
||
|
|
elif [ -x /bin/domainname ]; then
|
||
|
|
echo \#define LINUX_COMPILE_DOMAIN \"`domainname | $UTS_TRUNCATE`\"
|
||
|
|
else
|
||
|
|
echo \#define LINUX_COMPILE_DOMAIN
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
|
||
|
|
) > .tmpcompile
|
||
|
|
|
||
|
|
# Only replace the real compile.h if the new one is different,
|
||
|
|
# in order to preserve the timestamp and avoid unnecessary
|
||
|
|
# recompilations.
|
||
|
|
# We don't consider the file changed if only the date/time changed.
|
||
|
|
# A kernel config change will increase the generation number, thus
|
||
|
|
# causing compile.h to be updated (including date/time) due to the
|
||
|
|
# changed comment in the
|
||
|
|
# first line.
|
||
|
|
|
||
|
|
if [ -r $TARGET ] && \
|
||
|
|
grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' $TARGET > .tmpver.1 && \
|
||
|
|
grep -v 'UTS_VERSION\|LINUX_COMPILE_TIME' .tmpcompile > .tmpver.2 && \
|
||
|
|
cmp -s .tmpver.1 .tmpver.2; then
|
||
|
|
rm -f .tmpcompile
|
||
|
|
else
|
||
|
|
echo " UPD $TARGET"
|
||
|
|
mv -f .tmpcompile $TARGET
|
||
|
|
fi
|
||
|
|
rm -f .tmpver.1 .tmpver.2
|