if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
:
else
- f_ex_an_ar_lib=`$ECHO "X$f_ex_an_ar_oldlib" | $Xsed -e 's%^.*/%%'`
- func_warning "$modename: warning: object name conflicts; renaming object files" 1>&2
- func_warning "$modename: warning: to ensure that they will not overwrite" 1>&2
- $show "cp $f_ex_an_ar_oldlib $f_ex_an_ar_dir/$f_ex_an_ar_lib"
- $run eval "cp \$f_ex_an_ar_oldlib \$f_ex_an_ar_dir/\$f_ex_an_ar_lib"
- $AR t "$f_ex_an_ar_oldlib" | sort | uniq -c | while read count name
- do
- # We don't want to do anything to objects with unique names
- test "$count" -eq 1 && continue
- i=1
- while test "$i" -le "$count"
- do
- # Put our $i before any first dot (extension)
- # Never overwrite any file
- name_to="$name"
- while test "X$name_to" = "X$name" || test -f "$f_ex_an_ar_dir/$name_to"
- do
- name_to=`$ECHO "X$name_to" | $Xsed -e "s/\([[^.]]*\)/\1-$i/"`
- done
- $show "(cd $f_ex_an_ar_dir && $AR x $f_ex_an_ar_lib '$name' && $MV '$name' '$name_to' && $AR d $f_ex_an_ar_lib '$name')"
- $run eval "(cd \$f_ex_an_ar_dir && $AR x \$f_ex_an_ar_lib '$name' && $MV '$name' '$name_to' && $AR d \$f_ex_an_ar_lib '$name')" || exit $?
- i=`expr $i + 1`
- done
- done
- $show "$RM $f_ex_an_ar_dir/$f_ex_an_ar_lib"
- $run eval "$RM \$f_ex_an_ar_dir/\$f_ex_an_ar_lib"
+ func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
fi
}
oldobjs="$oldobjs $func_extract_archives_result"
fi
+ # POSIX demands no paths to be encoded in archives. We have
+ # to avoid creating archives with duplicate basenames if we
+ # might have to extract them afterwards, e.g., when creating a
+ # static archive out of a convenience library, or when linking
+ # the entirety of a libtool archive into another (currently
+ # not supported by libtool).
+ if (for obj in $oldobjs
+ do
+ $ECHO "X$obj"
+ done | $SED -e 's%^X%%' -e 's%.*/%%' | sort | sort -uc >/dev/null 2>&1); then
+ :
+ else
+ func_echo "copying selected object files to avoid basename conflicts..."
+
+
+ gentop="$output_objdir/${outputname}x"
+ generated="$generated $gentop"
+ func_mkdir_p "$gentop"
+ save_oldobjs=$oldobjs
+ oldobjs=
+ counter=1
+ for obj in $save_oldobjs
+ do
+ objbase=`$ECHO "X$obj" | $Xsed -e 's%^.*/%%'`
+ case " $oldobjs " in
+ " ") oldobjs=$obj ;;
+ *[[\ /]]"$objbase "*)
+ while :; do
+ # Make sure we don't pick an alternate name that also
+ # overlaps.
+ newobj=lt$counter-$objbase
+ counter=`expr $counter + 1`
+ case " $oldobjs " in
+ *[[\ /]]"$newobj "*) ;;
+ *) if test ! -f "$gentop/$newobj"; then break; fi ;;
+ esac
+ done
+ $show "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj"
+ $run ln "$obj" "$gentop/$newobj" ||
+ $run cp "$obj" "$gentop/$newobj"
+ oldobjs="$oldobjs $gentop/$newobj"
+ ;;
+ *) oldobjs="$oldobjs $obj" ;;
+ esac
+ done
+ fi
eval cmds=\"$old_archive_cmds\"
if len=`expr "X$cmds" : ".*"` &&
objlist=
concat_cmds=
save_oldobjs=$oldobjs
- # GNU ar 2.10+ was changed to match POSIX; thus no paths are
- # encoded into archives. This makes 'ar r' malfunction in
- # this piecewise linking case whenever conflicting object
- # names appear in distinct ar calls; check, warn and compensate.
- if (for obj in $save_oldobjs
- do
- $ECHO "X$obj" | $Xsed -e 's%^.*/%%'
- done | sort | sort -uc >/dev/null 2>&1); then
- :
- else
- func_warning "object name conflicts; overriding AR_FLAGS to 'cq'"
- func_warning "to ensure that POSIX-compatible ar will work"
- AR_FLAGS=cq
- fi
# Is there a better way of finding the last object in the list?
for obj in $save_oldobjs
do
--- /dev/null
+#! /bin/sh
+# duplicate members
+
+. tests/defs || exit 1
+
+test -d duplicate_members.dir && rm -rf duplicate_members.dir
+
+mkdir duplicate_members.dir
+# we don't want to use whole_archive_flag_spec, even if available
+sed -e 's|^whole_archive_flag_spec=.*|whole_archive_flag_spec=|g' < $LIBTOOL > duplicate_members.dir/libtool
+
+cd duplicate_members.dir
+chmod +x ./libtool
+
+for a in 1 2 3 4 5 6
+do
+ mkdir $a
+ echo "int foo$a() {return $a;}" > $a/a.c
+done
+eval `./libtool --config | grep ^CC`
+
+for a in 1 2 3 4 5 6
+do
+ ./libtool --mode=compile --tag=CC $CC -c $CFLAGS -o $a/a.lo $a/a.c
+done
+./libtool --mode=link --tag=CC $CC $CFLAGS $LDFLAGS -o libc0.la 6/a.lo
+./libtool --mode=link --tag=CC $CC $CFLAGS $LDFLAGS -o libconv.la 1/a.lo 2/a.lo 3/a.lo 4/a.lo 5/a.lo libc0.la
+
+
+cat <<EOF > bar.c
+int bar() {
+ int result=foo1() +foo2() +foo3() +foo4() +foo5() +foo6();
+ return result;
+}
+EOF
+
+./libtool --mode=compile --tag=CC $CC -c $CFLAGS -o bar.lo bar.c
+./libtool --mode=link --tag=CC $CC $CFLAGS $LDFLAGS -o libbar.la bar.lo libconv.la -rpath /notexist
+
+cat <<EOF > main.c
+int bar();
+int main()
+{
+if (bar() == 21) return 0;
+return 1;
+}
+EOF
+./libtool --mode=compile --tag=CC $CC -c $CFLAGS -o main.lo main.c
+./libtool --mode=link --tag=CC $CC $CFLAGS $LDFLAGS -o main main.lo ./libbar.la
+./main
+retcode=$?
+cd ..
+rm -rf duplicate_members.dir
+exit $retcode
projects / thirdparty / libtool.git / commitdiff
