+
+# func_infer_tag arg
+# Infer tagged configuration to use if any are available and
+# if one wasn't chosen via the "--tag" command line option.
+# Only attempt this if the compiler in the base compile
+# command doesn't match the default compiler.
+# arg is usually of the form 'gcc ...'
+func_infer_tag ()
+{
+ if test -n "$available_tags" && test -z "$tagname"; then
+ CC_quoted=
+ for arg in $CC; do
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ CC_quoted="$CC_quoted $arg"
+ done
+ case $@ in
+ # Blanks in the command may have been stripped by the calling shell,
+ # but not from the CC environment variable when configure was run.
+ " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*) ;;
+ # Blanks at the start of $base_compile will cause this to fail
+ # if we don't check for them as well.
+ *)
+ for z in $available_tags; do
+ if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
+ # Evaluate the configuration.
+ eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
+ CC_quoted=
+ for arg in $CC; do
+ # Double-quote args containing other shell metacharacters.
+ case $arg in
+ *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
+ arg="\"$arg\""
+ ;;
+ esac
+ CC_quoted="$CC_quoted $arg"
+ done
+ # user sometimes does CC=<HOST>-gcc so we need to match that to 'gcc'
+ trimedcc=`echo ${CC} | $SED -e "s/${host}-//g"`
+ # and sometimes libtool has CC=<HOST>-gcc but user does CC=gcc
+ extendcc=${host}-${CC}
+ # and sometimes libtool has CC=<OLDHOST>-gcc but user has CC=<NEWHOST>-gcc
+ # (Gentoo-specific hack because we always export $CHOST)
+ mungedcc=${CHOST-${host}}-${trimedcc}
+ case "$@ " in
+ "cc "* | " cc "* | "${host}-cc "* | " ${host}-cc "*|\
+ "gcc "* | " gcc "* | "${host}-gcc "* | " ${host}-gcc "*)
+ tagname=CC
+ break ;;
+ "$trimedcc "* | " $trimedcc "* | "`$echo $trimedcc` "* | " `$echo $trimedcc` "*|\
+ "$extendcc "* | " $extendcc "* | "`$echo $extendcc` "* | " `$echo $extendcc` "*|\
+ "$mungedcc "* | " $mungedcc "* | "`$echo $mungedcc` "* | " `$echo $mungedcc` "*|\
+ " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*)
+ # The compiler in the base compile command matches
+ # the one in the tagged configuration.
+ # Assume this is the tagged configuration we want.
+ tagname=$z
+ break
+ ;;
+ esac
+ fi
+ done
+ # If $tagname still isn't set, then no tagged configuration
+ # was found and let the user know that the "--tag" command
+ # line option must be used.
+ if test -z "$tagname"; then
+ $echo "$modename: unable to infer tagged configuration"
+ $echo "$modename: specify a tag with \`--tag'" 1>&2
+ exit $EXIT_FAILURE
+# else
+# $echo "$modename: using $tagname tagged configuration"
+ fi
+ ;;
+ esac
+ fi
+}
+
+
+# func_extract_an_archive dir oldlib
+func_extract_an_archive ()
+{
+ f_ex_an_ar_dir="$1"; shift
+ f_ex_an_ar_oldlib="$1"
+
+ $show "(cd $f_ex_an_ar_dir && $AR x $f_ex_an_ar_oldlib)"
+ $run eval "(cd \$f_ex_an_ar_dir && $AR x \$f_ex_an_ar_oldlib)" || exit $?
+ if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ $echo "$modename: ERROR: object name conflicts: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" 1>&2
+ exit $EXIT_FAILURE
+ fi
+}
+
+# func_extract_archives gentop oldlib ...
+func_extract_archives ()
+{
+ my_gentop="$1"; shift
+ my_oldlibs=${1+"$@"}
+ my_oldobjs=""
+ my_xlib=""
+ my_xabs=""
+ my_xdir=""
+ my_status=""
+
+ $show "${rm}r $my_gentop"
+ $run ${rm}r "$my_gentop"
+ $show "$mkdir $my_gentop"
+ $run $mkdir "$my_gentop"
+ my_status=$?
+ if test "$my_status" -ne 0 && test ! -d "$my_gentop"; then
+ exit $my_status
+ fi
+
+ for my_xlib in $my_oldlibs; do
+ # Extract the objects.
+ case $my_xlib in
+ [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
+ *) my_xabs=`pwd`"/$my_xlib" ;;
+ esac
+ my_xlib=`$echo "X$my_xlib" | $Xsed -e 's%^.*/%%'`
+ my_xlib_u=$my_xlib
+ while :; do
+ case " $extracted_archives " in
+ *" $my_xlib_u "*)
+ extracted_serial=`expr $extracted_serial + 1`
+ my_xlib_u=lt$extracted_serial-$my_xlib ;;
+ *) break ;;
+ esac
+ done
+ extracted_archives="$extracted_archives $my_xlib_u"
+ my_xdir="$my_gentop/$my_xlib_u"
+
+ $show "${rm}r $my_xdir"
+ $run ${rm}r "$my_xdir"
+ $show "$mkdir $my_xdir"
+ $run $mkdir "$my_xdir"
+ exit_status=$?
+ if test "$exit_status" -ne 0 && test ! -d "$my_xdir"; then
+ exit $exit_status
+ fi
+ case $host in
+ *-darwin*)
+ $show "Extracting $my_xabs"
+ # Do not bother doing anything if just a dry run
+ if test -z "$run"; then
+ darwin_orig_dir=`pwd`
+ cd $my_xdir || exit $?
+ darwin_archive=$my_xabs
+ darwin_curdir=`pwd`
+ darwin_base_archive=`$echo "X$darwin_archive" | $Xsed -e 's%^.*/%%'`
+ darwin_arches=`lipo -info "$darwin_archive" 2>/dev/null | $EGREP Architectures 2>/dev/null`
+ if test -n "$darwin_arches"; then
+ darwin_arches=`echo "$darwin_arches" | $SED -e 's/.*are://'`
+ darwin_arch=
+ $show "$darwin_base_archive has multiple architectures $darwin_arches"
+ for darwin_arch in $darwin_arches ; do
+ mkdir -p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ lipo -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
+ cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
+ func_extract_an_archive "`pwd`" "${darwin_base_archive}"
+ cd "$darwin_curdir"
+ $rm "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
+ done # $darwin_arches
+ ## Okay now we have a bunch of thin objects, gotta fatten them up :)
+ darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print| xargs basename | sort -u | $NL2SP`
+ darwin_file=
+ darwin_files=
+ for darwin_file in $darwin_filelist; do
+ darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP`
+ lipo -create -output "$darwin_file" $darwin_files
+ done # $darwin_filelist
+ ${rm}r unfat-$$
+ cd "$darwin_orig_dir"
+ else
+ cd "$darwin_orig_dir"
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ fi # $darwin_arches
+ fi # $run
+ ;;
+ *)
+ func_extract_an_archive "$my_xdir" "$my_xabs"
+ ;;
+ esac
+ my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP`
+ done
+ func_extract_archives_result="$my_oldobjs"
+}
