9 vecho
() { [ "${quiet}" = "silent_" ] ||
echo "$@" ; }
11 # If compile.h exists already and we don't own autoconf.h
12 # (i.e. we're not the same user who did make *config), don't
14 # So "sudo make install" won't change the "compiled by <user>"
15 # do "compiled by root"
17 if [ -r $TARGET -a ! -O include
/generated
/autoconf.h
]; then
18 vecho
" SKIPPED $TARGET"
25 # Fix the language to get consistent output
29 if [ -z "$KBUILD_BUILD_VERSION" ]; then
30 if [ -r .version
]; then
31 VERSION
=`cat .version`
37 VERSION
=$KBUILD_BUILD_VERSION
40 if [ -z "$KBUILD_BUILD_TIMESTAMP" ]; then
43 TIMESTAMP
=$KBUILD_BUILD_TIMESTAMP
45 if test -z "$KBUILD_BUILD_USER"; then
46 LINUX_COMPILE_BY
=$
(whoami |
sed 's/\\/\\\\/')
48 LINUX_COMPILE_BY
=$KBUILD_BUILD_USER
50 if test -z "$KBUILD_BUILD_HOST"; then
51 LINUX_COMPILE_HOST
=`hostname`
53 LINUX_COMPILE_HOST
=$KBUILD_BUILD_HOST
56 UTS_VERSION
="#$VERSION"
58 if [ -n "$SMP" ] ; then CONFIG_FLAGS
="SMP"; fi
59 if [ -n "$PREEMPT" ] ; then CONFIG_FLAGS
="$CONFIG_FLAGS PREEMPT"; fi
60 UTS_VERSION
="$UTS_VERSION $CONFIG_FLAGS $TIMESTAMP"
62 # Truncate to maximum length
65 UTS_TRUNCATE
="cut -b -$UTS_LEN"
67 # Generate a temporary compile.h
69 ( echo /\
* This
file is auto generated
, version
$VERSION \
*/
70 if [ -n "$CONFIG_FLAGS" ] ; then echo "/* $CONFIG_FLAGS */"; fi
72 echo \
#define UTS_MACHINE \"$ARCH\"
74 echo \
#define UTS_VERSION \"`echo $UTS_VERSION | $UTS_TRUNCATE`\"
76 echo \
#define LINUX_COMPILE_BY \"`echo $LINUX_COMPILE_BY | $UTS_TRUNCATE`\"
77 echo \
#define LINUX_COMPILE_HOST \"`echo $LINUX_COMPILE_HOST | $UTS_TRUNCATE`\"
79 echo \
#define LINUX_COMPILER \"`$CC -v 2>&1 | grep ' version '`\"
82 # Only replace the real compile.h if the new one is different,
83 # in order to preserve the timestamp and avoid unnecessary
85 # We don't consider the file changed if only the date/time changed.
86 # A kernel config change will increase the generation number, thus
87 # causing compile.h to be updated (including date/time) due to the
88 # changed comment in the
91 if [ -r $TARGET ] && \
92 grep -v 'UTS_VERSION' $TARGET > .tmpver
.1 && \
93 grep -v 'UTS_VERSION' .tmpcompile
> .tmpver
.2 && \
94 cmp -s .tmpver
.1 .tmpver
.2; then
98 mv -f .tmpcompile
$TARGET
100 rm -f .tmpver
.1 .tmpver
.2
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