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|
#!/bin/bash
#
# Auto-generate requirements for executables (both ELF and a.out) and library
# sonames, script interpreters, and perl modules.
#
ulimit -c 0
#
# --- Set needed to 0 for traditional find-requires behavior.
needed=1
if [ X"$1" = Xldd ]; then
needed=0
elif [ X"$1" = Xobjdump ]; then
needed=1
fi
#
# --- Grab the file manifest and classify files.
#filelist=`sed "s/[]['\"*?{}]/\\\\\&/g"`
filelist=($(grep -Ev '/usr/doc/|/usr/share/doc/'))
exelist=($(printf "%s\0" "${filelist[@]}" | xargs -0 -r file | \
grep -Ev ":.* (commands|script)[, ]" | \
grep ":.*executable" | cut -d: -f1))
scriptlist=($(printf "%s\0" "${filelist[@]}" | xargs -0 -r file | \
grep -E ":.* (commands|script)[, ]" | cut -d: -f1))
liblist=($(printf "%s\0" "${filelist[@]}" | xargs -0 -r file | \
grep ":.*shared object" | cut -d : -f1))
interplist=()
perllist=()
pythonlist=()
tcllist=()
monolist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.(exe|dll)(\\.config)?\$"))
#
# --- Alpha does not mark 64bit dependencies
case `uname -m` in
alpha*) mark64="" ;;
*) mark64="()(64bit)" ;;
esac
if [ "$needed" -eq 0 ]; then
#
# --- Executable dependency sonames.
for f in "${exelist[@]}"; do
[ -r "$f" -a -x "$f" ] || continue
lib64=`if file -L "$f" 2>/dev/null | \
grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
ldd "$f" | awk '/=>/ {
if ($1 !~ /libNoVersion.so/ && $1 !~ /4[um]lib.so/ && $1 !~ /linux-gate.so/) {
gsub(/'\''"/,"\\&",$1);
printf "%s'$lib64'\n", $1
}
}'
done | xargs -r -n 1 basename | sort -u
#
# --- Library dependency sonames.
for f in "${liblist[@]}"; do
[ -r "$f" ] || continue
lib64=`if file -L "$f" 2>/dev/null | \
grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
ldd "$f" | awk '/=>/ {
if ($1 !~ /libNoVersion.so/ && $1 !~ /4[um]lib.so/ && $1 !~ /linux-gate.so/) {
gsub(/'\''"/,"\\&",$1);
printf "%s'$lib64'\n", $1
}
}'
done | xargs -r -n 1 basename | sort -u
fi
#
# --- Script interpreters.
for f in "${scriptlist[@]}"; do
[ -r "$f" -a -x "$f" ] || continue
interp=`head -n 1 "$f" | sed -ne 's/^\#\![ ]*//p' | cut -d" " -f1`
interplist=("${interplist[@]}" "$interp")
case $interp in
*/perl) perllist=("${perllist[@]}" "$f") ;;
esac
done
[ -n "$interplist" ] && { printf "%s\n" "${interplist[@]}" | sort -u ; }
#
# --- Add perl module files to perllist.
for f in "${filelist[@]}"; do
[ -r "$f" -a "${f%.pm}" != "${f}" ] && perllist=("${perllist[@]}" "$f")
done
#
# --- Weak symbol versions (from glibc).
[ -n "$mark64" ] && mark64="(64bit)"
for f in "${liblist[@]}" "${exelist[@]}" ; do
[ -r "$f" ] || continue
lib64=`if file -L "$f" 2>/dev/null | \
grep "ELF 64-bit" >/dev/null; then echo "$mark64"; fi`
objdump -p "$f" | awk 'BEGIN { START=0; LIBNAME=""; needed='$needed'; }
/^$/ { START=0; }
/^Dynamic Section:$/ { START=1; }
(START==1) && /NEEDED/ {
if (needed) {
if ("'$lib64'" != "") {
sub(/$/, "()'$lib64'", $2) ;
}
print $2 ;
}
}
(START==2) && /^[A-Za-z]/ { START=3; }
/^Version References:$/ { START=2; }
(START==2) && /required from/ {
sub(/:/, "", $3);
LIBNAME=$3;
}
(START==2) && (LIBNAME!="") && ($4!="") {
print LIBNAME "(" $4 ")'$lib64'";
}
'
done | sort -u
#
# --- Perl modules.
#[ -x /usr/lib/rpm/perl.req -a -n "$perllist" ] && \
# printf "%s\n" "${perllist[@]}" | /usr/lib/rpm/perl.req | sort -u
#
# --- Python modules.
[ -x /usr/lib/rpm/python.req -a -n "$pythonlist" ] && \
printf "%s\n" "${pythonlist[@]}" | /usr/lib/rpm/python.req | sort -u
#
# --- Tcl modules.
[ -x /usr/lib/rpm/tcl.req -a -n "$tcllist" ] && \
printf "%s\n" "${tcllist[@]}" | /usr/lib/rpm/tcl.req | sort -u
#
# --- Mono exes/dlls
: ${MONO_PREFIX=/usr}
if [ -x $MONO_PREFIX/bin/mono -a -n "$monolist" ] ; then
printf "%s\n" "${monolist[@]}" | MONO_PATH=$MONO_PREFIX/lib${MONO_PATH:+:$MONO_PATH} prefix=$MONO_PREFIX $MONO_PREFIX/bin/mono-find-requires || echo "WARNING: MONO RPM REQUIRES WERE NOT GENERATED FOR THIS BUILD!!" 1>&2
fi
#
# --- Kernel module imported symbols
[ -x ${0%/*}/find-requires.ksyms ] &&
printf "%s\n" "${filelist[@]}" | ${0%/*}/find-requires.ksyms "$@"
exit 0
|
