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#!/bin/bash

#
# Auto-generate requirements for ELF executables and library
# sonames, script interpreters, and perl modules.
#

ulimit -c 0

# fix parsing output of objdump when localized (mga#7883):
export LC_ALL=C

#
# --- Set needed to 0 for traditional find-requires behavior.
needed=1
if [ X"$3" = Xldd ]; then
    needed=0
elif [ X"$3" = Xobjdump ]; then
    needed=1
fi

# --- Mageia specific part
case "$LD_PRELOAD" in
    *libfakeroot*)
	unset LD_PRELOAD
	;;
esac

RPM_BUILD_ROOT=$1
RPM_ARCH=$2

if [ -n "$RPM_BUILD_ROOT" ]; then
    lib_path_64=$RPM_BUILD_ROOT/usr/X11R6/lib64:$RPM_BUILD_ROOT/usr/lib64:$RPM_BUILD_ROOT/lib64
    lib_path_32=$RPM_BUILD_ROOT/usr/X11R6/lib:$RPM_BUILD_ROOT/usr/lib:$RPM_BUILD_ROOT/lib
    LD_LIBRARY_PATH=$lib_path_64:$lib_path_32
    export LD_LIBRARY_PATH
fi


#
filelist=`sed "s/[]['\"*?{}]/\\\\\&/g"`

[ -x /usr/lib/rpm/rpmdeps -a -n "$filelist" ] && \
	echo $filelist | tr '[:blank:]' \\n | /usr/lib/rpm/rpmdeps --requires

#
# --- .so files.
for i in `echo $filelist | tr '[:blank:]' "\n" | egrep "(/usr(/X11R6)?)?/lib(|64)/[^/]+\.so$"`; do
    objd=`objdump -p ${i} | grep SONAME`
    lib64=`if file -L $i 2>/dev/null | grep "ELF 64-bit" >/dev/null; then echo "(64bit)"; fi` && \
    if [ -h ${i} -a -n "${objd}" ]; then
      if [ "$needed" -eq 0 ]; then
       ldd ${i} \
       | grep -v "statically linked" \
       | grep -v "/\(lib\|lib64\)/\(ld\|ld64\|ld-linux.*\)\.so" \
       | perl -p -e "s/\s+(\S+)\.so.*/devel(\1$lib64)/g"
      else
       objdump -p $i | grep -v "\(ld\|ld64\|ld-linux.*\)\.so" \
                     | awk 'BEGIN { START=0; }
       /^$/ { START=0; }
       /^Dynamic Section:$/ { START=1; }
       (START==1) && /NEEDED/ {
           sub(/^/, "devel(", $2) ;
           sub(/\.so.*$/, "'$lib64')", $2) ;
           print $2 ;
       }
       '
      fi
    fi
done | egrep -v 'devel\(linux-gate|linux-vdso32|linux-vdso64|lib(c|pthread|rt)(\(64bit\))?\)' | sort -u

#
# --- multiarch-utils
echo $filelist |  tr '[:blank:]' '\n' | grep -q '/multiarch-.*-linux/' && echo multiarch-utils

exit 0