135 lines
3.4 KiB
Bash
Executable File
135 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# Auto-generate requirements for executables (both ELF and a.out) and library
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# sonames, script interpreters, and perl modules.
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#
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ulimit -c 0
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#
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# --- Set needed to 0 for traditional find-requires behavior.
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needed=1
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if [ X"$1" = Xldd ]; then
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needed=0
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elif [ X"$1" = Xobjdump ]; then
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needed=1
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fi
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#
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# --- Grab the file manifest and classify files.
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#filelist=`sed "s/['\"]/\\\&/g"`
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filelist=`sed "s/[]['\"*?{}]/\\\\\&/g"`
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exelist=`echo $filelist | xargs -r file | egrep -v ":.* (commands|script) " | \
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grep ":.*executable" | cut -d: -f1`
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scriptlist=`echo $filelist | xargs -r file | \
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egrep ":.* (commands|script) " | cut -d: -f1`
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liblist=`echo $filelist | xargs -r file | \
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grep ":.*shared object" | cut -d : -f1`
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interplist=
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perllist=
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pythonlist=
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tcllist=
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#
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# --- Alpha does not mark 64bit dependencies
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case `uname -m` in
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alpha*) mark64="" ;;
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*) mark64="()(64bit)" ;;
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esac
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if [ "$needed" -eq 0 ]; then
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#
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# --- Executable dependency sonames.
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for f in $exelist; do
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[ -r $f -a -x $f ] || continue
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lib64=`if file -L $f 2>/dev/null | \
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grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
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ldd $f | awk '/=>/ {
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if ($1 !~ /libNoVersion.so/ && $1 !~ /4[um]lib.so/ && $1 !~ /libredhat-kernel.so/) {
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gsub(/'\''"/,"\\&",$1);
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printf "%s'$lib64'\n", $1
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}
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}'
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done | xargs -r -n 1 basename | sort -u
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#
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# --- Library dependency sonames.
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for f in $liblist; do
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[ -r $f ] || continue
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lib64=`if file -L $f 2>/dev/null | \
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grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
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ldd $f | awk '/=>/ {
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if ($1 !~ /libNoVersion.so/ && $1 !~ /4[um]lib.so/ && $1 !~ /libredhat-kernel.so/) {
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gsub(/'\''"/,"\\&",$1);
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printf "%s'$lib64'\n", $1
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}
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}'
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done | xargs -r -n 1 basename | sort -u
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fi
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#
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# --- Script interpreters.
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for f in $scriptlist; do
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[ -r $f -a -x $f ] || continue
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interp=`head -n 1 $f | sed -e 's/^\#\![ ]*//' | cut -d" " -f1`
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interplist="$interplist $interp"
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case $interp in
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*/perl) perllist="$perllist $f" ;;
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esac
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done
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[ -n "$interplist" ] && { echo "$interplist" | tr '[:blank:]' \\n | sort -u ; }
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#
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# --- Add perl module files to perllist.
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for f in $filelist; do
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[ -r $f -a "${f%.pm}" != "${f}" ] && perllist="$perllist $f"
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done
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#
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# --- Weak symbol versions (from glibc).
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[ -n "$mark64" ] && mark64="(64bit)"
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for f in $liblist $exelist ; do
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[ -r $f ] || continue
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lib64=`if file -L $f 2>/dev/null | \
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grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
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objdump -p $f | awk 'BEGIN { START=0; LIBNAME=""; needed='$needed'; }
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/^$/ { START=0; }
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/^Dynamic Section:$/ { START=1; }
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(START==1) && /NEEDED/ {
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if (needed) {
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if ("'$lib64'" != "") {
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sub(/$/, "()'$lib64'", $2) ;
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}
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print $2 ;
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}
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}
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/^Version References:$/ { START=2; }
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(START==2) && /required from/ {
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sub(/:/, "", $3);
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LIBNAME=$3;
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}
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(START==2) && (LIBNAME!="") && ($4!="") && (($4~/^GLIBC_*/) || ($4~/^GCC_*/)) {
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print LIBNAME "(" $4 ")'$lib64'";
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}
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'
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done | sort -u
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#
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# --- Perl modules.
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[ -x /usr/lib/rpm/redhat/perl.req -a -n "$perllist" ] && \
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echo $perllist | tr '[:blank:]' \\n | /usr/lib/rpm/redhat/perl.req | sort -u
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#
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# --- Python modules.
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[ -x /usr/lib/rpm/redhat/python.req -a -n "$pythonlist" ] && \
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echo $pythonlist | tr '[:blank:]' \\n | /usr/lib/rpm/redhat/python.req | sort -u
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#
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# --- Tcl modules.
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[ -x /usr/lib/rpm/redhat/tcl.req -a -n "$tcllist" ] && \
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echo $tcllist | tr '[:blank:]' \\n | /usr/lib/rpm/redhat/tcl.req | sort -u
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exit 0
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