-#!/bin/sh
+#!/bin/bash
-# note this works for both a.out and ELF executables
-# it also auto-generates requirment lines for shell scripts
+#
+# Auto-generate requirements for executables (both ELF and a.out) and library
+# sonames, script interpreters, and perl modules.
+#
ulimit -c 0
-filelist=`sed "s/['\"]/\\\&/g"`
-exelist=`echo $filelist | xargs -r file | fgrep executable | cut -d: -f1 `
-scriptlist=`echo $filelist | xargs -r file | egrep ":.* (commands|script) " | cut -d: -f1 `
-liblist=`echo $filelist | xargs -r file | grep "shared object" | cut -d : -f1 `
-
-for f in $exelist; do
- if [ -x $f ]; then
- ldd $f | awk '/=>/ { print $1 }'
- fi
-done | sort -u | sed "s/['\"]/\\\&/g" | xargs -r -n 1 basename | sort -u
-
-for f in $liblist; do
- ldd $f | awk '/=>/ { print $1 }'
-done | sort -u | sed "s/['\"]/\\\&/g" | xargs -r -n 1 basename | sort -u
-
-for f in $scriptlist; do
- if [ -x $f ]; then
- head -1 $f | sed -e 's/^\#\![ ]*//' | cut -d" " -f1
- fi
+#
+# --- 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=($(printf "%s\n" "${filelist[@]}" | egrep '/usr/lib[^/]*/python.\..'))
+tcllist=()
+monolist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.(exe|dll)(\\.config)?\$"))
+pkgconfiglist=($(printf "%s\n" "${filelist[@]}" | egrep '\.pc$'))
+
+#
+# --- Alpha does not mark 64bit dependencies
+case `uname -m` in
+ alpha*) mark64="" ;;
+ *) mark64="()(64bit)" ;;
+esac
+
+if [ "$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/pythondeps.sh -a -n "$pythonlist" ] && \
+ printf "%s\n" "${pythonlist[@]}" | /usr/lib/rpm/pythondeps.sh -R | 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 $MONO_PREFIX/bin/mono-find-requires || echo "WARNING: MONO RPM REQUIRES WERE NOT GENERATED FOR THIS BUILD!!" 1>&2
+fi
+
+#
+# --- pkgconfig requires
+[ -x /usr/lib/rpm/pkgconfigdeps.sh -a -n "$pkgconfiglist" ] &&
+ printf "%s\n" "${pkgconfiglist[@]}" | /usr/lib/rpm/pkgconfigdeps.sh -R | sort -u
+
+#
+# --- Kernel module imported symbols
+[ -x ${0%/*}/find-requires.ksyms ] &&
+ printf "%s\n" "${filelist[@]}" | ${0%/*}/find-requires.ksyms "$@"
+
+exit 0
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