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Diffstat (limited to 'configs/process_configs.sh')
| -rwxr-xr-x | configs/process_configs.sh | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/configs/process_configs.sh b/configs/process_configs.sh new file mode 100755 index 000000000..b464d95ce --- /dev/null +++ b/configs/process_configs.sh @@ -0,0 +1,198 @@ +#!/bin/bash +# +# This script takes the merged config files and processes them through oldconfig +# and listnewconfig +# + +usage() +{ + # alphabetical order please + echo "process_configs.sh [ options ] package_name kernel_version" + echo " -a: report all errors, equivalent to [-c -n -w -i]" + echo " -c: error on mismatched config options" + echo " -i: continue on error" + echo " -n: error on unset config options" + echo " -t: test run, do not overwrite original config" + echo " -w: error on misconfigured config options" + exit 1 +} + +die() +{ + echo "$1" + exit 1 +} + +# stupid function to find top of tree to do kernel make configs +switch_to_toplevel() +{ + path="$(pwd)" + while test -n "$path" + do + test -e $path/MAINTAINERS && \ + test -d $path/drivers && \ + break + + path="$(dirname $path)" + done + + test -n "$path" || die "Can't find toplevel" + echo "$path" +} + +checkoptions() +{ + /usr/bin/awk ' + + /is not set/ { + split ($0, a, "#"); + split(a[2], b); + if (NR==FNR) { + configs[b[1]]="is not set"; + } else { + if (configs[b[1]] != "" && configs[b[1]] != "is not set") + print "Found # "b[1] " is not set, after generation, had " b[1] " " configs[b[1]] " in Source tree"; + } + } + + /=/ { + split ($0, a, "="); + if (NR==FNR) { + configs[a[1]]=a[2]; + } else { + if (configs[a[1]] != "" && configs[a[1]] != a[2]) + print "Found "a[1]"="a[2]" after generation, had " a[1]"="configs[a[1]]" in Source tree"; + } + } + ' $1 $2 > .mismatches + + if test -s .mismatches + then + echo "Error: Mismatches found in configuration files" + cat .mismatches + RETURNCODE=1 + [ "$CONTINUEONERROR" ] || exit 1 + fi +} + +function process_configs() +{ + # assume we are in $source_tree/configs, need to get to top level + pushd $(switch_to_toplevel) &>/dev/null + + for cfg in $SCRIPT_DIR/${PACKAGE_NAME}${KVERREL}${SUBARCH}*.config + do + arch=$(head -1 $cfg | cut -b 3-) + cfgtmp="${cfg}.tmp" + cfgorig="${cfg}.orig" + cat $cfg > $cfgorig + + if [ "$arch" = "EMPTY" ] + then + # This arch is intentionally left blank + continue + fi + echo -n "Processing $cfg ... " + + make ARCH=$arch KCONFIG_CONFIG=$cfgorig listnewconfig >& .listnewconfig + grep -E 'CONFIG_' .listnewconfig > .newoptions + if test -n "$NEWOPTIONS" && test -s .newoptions + then + echo "Found unset config items, please set them to an appropriate value" + cat .newoptions + rm .newoptions + RETURNCODE=1 + [ "$CONTINUEONERROR" ] || exit 1 + fi + rm .newoptions + + grep -E 'config.*warning' .listnewconfig > .warnings + if test -n "$CHECKWARNINGS" && test -s .warnings + then + echo "Found misconfigured config items, please set them to an appropriate value" + cat .warnings + rm .warnings + RETURNCODE=1 + [ "$CONTINUEONERROR" ] || exit 1 + fi + rm .warnings + + rm .listnewconfig + + make ARCH=$arch KCONFIG_CONFIG=$cfgorig olddefconfig > /dev/null || exit 1 + echo "# $arch" > ${cfgtmp} + cat "${cfgorig}" >> ${cfgtmp} + if test -n "$CHECKOPTIONS" + then + checkoptions $cfg $cfgtmp + fi + # if test run, don't overwrite original + if test -n "$TESTRUN" + then + rm ${cfgtmp} + else + mv ${cfgtmp} ${cfg} + fi + rm ${cfgorig} + echo "done" + done + rm "$SCRIPT_DIR"/*.config*.old + popd > /dev/null + + echo "Processed config files are in $SCRIPT_DIR" +} + +CHECKOPTIONS="" +CONTINUEONERROR="" +NEWOPTIONS="" +TESTRUN="" +CHECKWARNINGS="" + +RETURNCODE=0 + +while [[ $# -gt 0 ]] +do + key="$1" + case $key in + -a) + CHECKOPTIONS="x" + CONTINUEONERROR="x" + NEWOPTIONS="x" + CHECKWARNINGS="x" + ;; + -c) + CHECKOPTIONS="x" + ;; + -h) + usage + ;; + -i) + CONTINUEONERROR="x" + ;; + -n) + NEWOPTIONS="x" + ;; + -t) + TESTRUN="x" + ;; + -w) + CHECKWARNINGS="x" + ;; + *) + break;; + esac + shift +done + +PACKAGE_NAME="${1:-kernel}" # defines the package name used +KVERREL="$(test -n "$2" && echo "-$2" || echo "")" +SUBARCH="$(test -n "$3" && echo "-$3" || echo "")" +SCRIPT="$(readlink -f $0)" +OUTPUT_DIR="$PWD" +SCRIPT_DIR="$(dirname $SCRIPT)" + +# to handle this script being a symlink +cd $SCRIPT_DIR + +process_configs +exit $RETURNCODE |