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160 lines
4.1 KiB
160 lines
4.1 KiB
#!/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"$1" = Xobjdump ]; then |
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needed=1 |
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fi |
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[ -z "$OBJDUMP" ] && OBJDUMP=objdump |
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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!="") { |
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print LIBNAME "(" $4 ")'$lib64'"; |
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} |
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/^[A-Za-z]/ { START=3; } |
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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/perl.req -a -n "$perllist" ] && \ |
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echo $perllist | tr '[:blank:]' \\n | /usr/lib/rpm/perl.req | sort -u |
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# |
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# --- Python modules. |
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[ -x /usr/lib/rpm/redhat/python.req -a -n "$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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# |
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# --- Kernel module imported symbols |
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# |
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# Since we don't (yet) get passed the name of the package being built, we |
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# cheat a little here by looking first for a kernel, then for a kmod. |
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# |
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unset is_kmod |
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for f in $filelist; do |
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if [ $(echo "$f" | sed -r -ne 's:^.*/lib/modules/(.*)/(.*).ko$:\2:p') ] |
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then |
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is_kmod=1; |
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elif [ $(echo "$f" | sed -r -ne 's:^.*/boot/(.*):\1:p') ] |
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then |
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unset is_kmod; |
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break; |
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fi |
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done |
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# Disabling for now while the Fedora kernel doesn't produce kABI deps. |
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#[ -x /usr/lib/rpm/redhat/find-requires.ksyms ] && [ "$is_kmod" ] && |
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# printf "%s\n" "${filelist[@]}" | /usr/lib/rpm/redhat/find-requires.ksyms |
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exit 0
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