diff options
Diffstat (limited to 'local/minimalist/feature-remove')
| -rwxr-xr-x | local/minimalist/feature-remove | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/local/minimalist/feature-remove b/local/minimalist/feature-remove new file mode 100755 index 0000000..aae340d --- /dev/null +++ b/local/minimalist/feature-remove @@ -0,0 +1,128 @@ +#!/bin/sh + +# +# feature-remove: removes features by defining special variables +# indicating particular code segments are unneeded. This is done by +# examining the list of provided features and defining a REMOVE +# equivalent if no other module required it. +# +# Arguments: +# feature-remove mainheader.h globalheader.h THEREST +# +# Where THEREST are a list of features to remove (default) or add. +# +# --add switches to "adding" and --remove switches back. +# +# E.G. +# feature-remove mainheader.h globalheader.h oid_stash --add container_null +# +CP=cp + +featureheader="$1" +featureheaderin="$1.in" +featureheaderglobal="$2" +shift +shift + +argumenttype="--remove" +removethese="" +addthese="" + +while test "x$1" != "x" ; do + uc=`echo $1 | tr a-z A-Z` + case $1 in + --*) + argumenttype="$1" + ;; + + *) + if test "x$argumenttype" = "x--remove" ; then + removethese="$removethese $uc" + else + addthese="$addthese $uc" + fi + ;; + esac + shift +done + +echo "" > $featureheader +echo "/* The following defines features that Net-SNMP HAS or has REMOVEd */" >> $featureheader + +haslist=" " + +for i in `grep NETSNMP_FEATURE_PROVIDE_ $featureheaderin | sed 's/.*FEATURE_PROVIDE_//;s/ .*//'` ; do + # + # If we were specifically asked to include it, then do so + # + if echo " $addthese " | grep " ${i} " > /dev/null ; then + # The user required it ; report we're using it + echo "#define NETSNMP_FEATURE_HAS_$i 1" >> $featureheader + haslist="${haslist}${i} " + + # + # check to see if something requried it + # + elif grep "NETSNMP_FEATURE_REQUIRE_${i} " $featureheaderglobal > /dev/null ; then + # if so, make sure we weren't asked to remove it + if echo " $removethese "| grep " $i " > /dev/null ; then + # Uh oh; they specifically wanted it removed but it was required + echo "Feature Error:" + echo " Feature '$i' was asked to be removed but something required it" + echo " See the $featureheaderglobal file for dependency details" + echo "" + rm -f $featureheader + exit 1 + fi + + # something required it ; report we're using it + echo "#define NETSNMP_FEATURE_HAS_$i 1" >> $featureheader + haslist="${haslist}${i} " + + # + # check to see if something "wanted" it + # + elif grep "NETSNMP_FEATURE_WANT_${i} " $featureheaderglobal > /dev/null ; then + # nothing required it, but something "wanted" it + + # check to make sure we weren't asked to exclude it + if echo " $removethese " | grep " $i " > /dev/null ; then + # we were specifically asked *not* to use this feature + echo "#define NETSNMP_FEATURE_REMOVE_$i 1" >> $featureheader + else + # something wanted it, so we'll include it + echo "#define NETSNMP_FEATURE_HAS_$i 1" >> $featureheader + haslist="${haslist}${i} " + fi + + + # + # check to see if something required a parent + # + elif egrep NETSNMP_FEATURE_${i}_CHILD_OF $featureheaderglobal > /dev/null ; then + parentnames=`egrep NETSNMP_FEATURE_${i}_CHILD_OF $featureheaderglobal | sed 's/.*CHILD_OF_//;s/ .*//;'` + + foundone=0 + for parentname in $parentnames ; do + # if the parent was desired, then we are too: + + if test $foundone = 0 ; then + if egrep "NETSNMP_FEATURE_HAS_${parentname} " $featureheader > /dev/null ; then + echo "#define NETSNMP_FEATURE_HAS_$i 1" >> $featureheader + haslist="${haslist}${i} " + foundone=1 + fi + fi + done + if test $foundone = 0 ; then + echo "#define NETSNMP_FEATURE_REMOVE_$i 1" >> $featureheader + fi + + # + # no one required or wanted it -- it is safe to remove it + # + else + echo "#define NETSNMP_FEATURE_REMOVE_$i 1" >> $featureheader + fi +done + |