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-rwxr-xr-xSOURCES/process_configs.sh198
1 files changed, 198 insertions, 0 deletions
diff --git a/SOURCES/process_configs.sh b/SOURCES/process_configs.sh
new file mode 100755
index 0000000..b464d95
--- /dev/null
+++ b/SOURCES/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