90 lines
1.9 KiB
Bash
90 lines
1.9 KiB
Bash
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#!/bin/bash
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#
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# This script merges together the hierarchy of CONFIG_* files under generic
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# and debug to form the necessary $PACKAGE_NAME<version>-<arch>-<variant>.config
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# files for building RHEL kernels, based on the contents of a control file
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PACKAGE_NAME=kernel # defines the package name used
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set errexit
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set nounset
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control_file="config_generation"
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function combine_config_layer()
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{
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dir=$1
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file="config-$(echo $dir | sed -e 's|/|-|g')"
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if [ $(ls $dir/ | grep -c "^CONFIG_") -eq 0 ]; then
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touch $file
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return
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fi
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cat $dir/CONFIG_* > $file
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}
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function merge_configs()
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{
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archvar=$1
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arch=$(echo "$archvar" | cut -f1 -d"-")
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configs=$2
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name=$PACKAGE_NAME-$archvar.config
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echo -n "Building $name ... "
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touch config-merging config-merged
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for config in $(echo $configs | sed -e 's/:/ /g')
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do
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perl merge.pl config-$config config-merging > config-merged
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if [ ! $? -eq 0 ]; then
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exit
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fi
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mv config-merged config-merging
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done
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if [ "x$arch" == "xaarch64" ]; then
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echo "# arm64" > $name
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elif [ "x$arch" == "xppc64" ]; then
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echo "# powerpc" > $name
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elif [ "x$arch" == "xppc64le" ]; then
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echo "# powerpc" > $name
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elif [ "x$arch" == "xs390x" ]; then
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echo "# s390" > $name
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elif [ "x$arch" == "xarmv7hl" ]; then
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echo "# arm" > $name
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elif [ "x$arch" == "xi686" ]; then
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echo "# i386" > $name
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else
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echo "# $arch" > $name
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fi
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sort config-merging >> $name
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rm -f config-merged config-merging
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echo "done"
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}
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glist=$(find baseconfig -type d)
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dlist=$(find debugconfig -type d)
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for d in $glist $dlist
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do
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combine_config_layer $d
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done
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while read line
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do
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if [ $(echo "$line" | grep -c "^#") -ne 0 ]; then
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continue
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elif [ $(echo "$line" | grep -c "^$") -ne 0 ]; then
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continue
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else
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arch=$(echo "$line" | cut -f1 -d"=")
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configs=$(echo "$line" | cut -f2 -d"=")
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if [ -n "$SUBARCH" -a "$SUBARCH" != "$arch" ]; then
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continue
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fi
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merge_configs $arch $configs
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fi
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done < $control_file
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rm -f config-*
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