cp test_a.pl blib/lib/test_a.pl
cp Ifeffit.pm blib/lib/Ifeffit.pm
cp ifeffit_shell.pl blib/lib/ifeffit_shell.pl
clang -c  -I../../src/lib -I/usr/share/ifeffit/config -arch i386 -arch x86_64 -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-protector -I/usr/local/include -Os   -DVERSION=\"\" -DXS_VERSION=\"\"  "-I/System/Library/Perl/5.12/darwin-thread-multi-2level/CORE"   ifeffit_wrap.c
ifeffit_wrap.c:634:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:660:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:689:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:718:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:750:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:782:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:814:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:852:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:878:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:908:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:934:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:962:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:995:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1029:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1063:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1103:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1131:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1154:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1179:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1206:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1235:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1264:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1287:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1313:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1340:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1370:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1399:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1424:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1451:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1482:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
ifeffit_wrap.c:1514:11: warning: format string is not a string literal
      (potentially insecure) [-Wformat-security]
    croak(_swigerr);
          ^~~~~~~~
31 warnings generated.
Running Mkbootstrap for Ifeffit ()
chmod 644 Ifeffit.bs
rm -f blib/arch/auto/Ifeffit/Ifeffit.bundle
clang -mmacosx-version-min=10.8  -shared ifeffit_wrap.o  -o blib/arch/auto/Ifeffit/Ifeffit.bundle 	\
	   -L/Users/lyle/Desktop/ifeffit/wrappers/perl/../../src/lib -L/usr/local/lib -lifeffit  	\

Undefined symbols for architecture x86_64:
  "_Perl_Gthr_key_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      _SWIG_ConvertPtr in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      ...
  "_Perl_Imarkstack_ptr_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Ina_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Istack_base_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Istack_sp_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Isv_undef_ptr", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
  "_Perl_Isv_yes_ptr", referenced from:
      _boot_Ifeffit in ifeffit_wrap.o
  "_Perl_croak_nocontext", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_mg_find", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_mg_get", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_newXS", referenced from:
      _boot_Ifeffit in ifeffit_wrap.o
  "_Perl_sv_2iv_flags", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
      __wrap_ifeffit_ in ifeffit_wrap.o
      __wrap_iffgetstr_ in ifeffit_wrap.o
      __wrap_iffgetsca_ in ifeffit_wrap.o
      __wrap_iffgetarr_ in ifeffit_wrap.o
      __wrap_iffputarr_ in ifeffit_wrap.o
      __wrap_iffgetecho_ in ifeffit_wrap.o
      ...
  "_Perl_sv_2nv", referenced from:
      __wrap_copy_Pdbl in ifeffit_wrap.o
      __wrap_Pdbl_assign in ifeffit_wrap.o
      __wrap_Parr_setitem in ifeffit_wrap.o
  "_Perl_sv_2pv_flags", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_isobject", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_sv_newmortal", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_setiv", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_setnv", referenced from:
      __wrap_iff_scaval in ifeffit_wrap.o
      __wrap_Pdbl_value in ifeffit_wrap.o
      __wrap_Parr_getitem in ifeffit_wrap.o
  "_Perl_sv_setpv", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
  "_Perl_sv_setref_pv", referenced from:
      _SWIG_MakePtr in ifeffit_wrap.o
  "_Perl_sv_setsv_flags", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [blib/arch/auto/Ifeffit/Ifeffit.bundle] Error 1
Lyles-MacBook-Air:perl lyle$ sudo make install > error
Undefined symbols for architecture x86_64:
  "_Perl_Gthr_key_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      _SWIG_ConvertPtr in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      ...
  "_Perl_Imarkstack_ptr_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Ina_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Istack_base_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Istack_sp_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Isv_undef_ptr", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
  "_Perl_Isv_yes_ptr", referenced from:
      _boot_Ifeffit in ifeffit_wrap.o
  "_Perl_croak_nocontext", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_mg_find", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_mg_get", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_newXS", referenced from:
      _boot_Ifeffit in ifeffit_wrap.o
  "_Perl_sv_2iv_flags", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
      __wrap_ifeffit_ in ifeffit_wrap.o
      __wrap_iffgetstr_ in ifeffit_wrap.o
      __wrap_iffgetsca_ in ifeffit_wrap.o
      __wrap_iffgetarr_ in ifeffit_wrap.o
      __wrap_iffputarr_ in ifeffit_wrap.o
      __wrap_iffgetecho_ in ifeffit_wrap.o
      ...
  "_Perl_sv_2nv", referenced from:
      __wrap_copy_Pdbl in ifeffit_wrap.o
      __wrap_Pdbl_assign in ifeffit_wrap.o
      __wrap_Parr_setitem in ifeffit_wrap.o
  "_Perl_sv_2pv_flags", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_isobject", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_sv_newmortal", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_setiv", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_setnv", referenced from:
      __wrap_iff_scaval in ifeffit_wrap.o
      __wrap_Pdbl_value in ifeffit_wrap.o
      __wrap_Parr_getitem in ifeffit_wrap.o
  "_Perl_sv_setpv", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
  "_Perl_sv_setref_pv", referenced from:
      _SWIG_MakePtr in ifeffit_wrap.o
  "_Perl_sv_setsv_flags", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [blib/arch/auto/Ifeffit/Ifeffit.bundle] Error 1
Lyles-MacBook-Air:perl lyle$ ls
Changes			Makefile.PL		ifeffit.h
ExtUtils		Makefile_OLD.PL		ifeffit_shell.pl
Ifeffit.bs		README			ifeffit_wrap.c
Ifeffit.pm		a.xmu			ifeffit_wrap.o
MANIFEST		blib			pm_to_blib
MYMETA.json		dot.ifeffit_macros	test.pl
MYMETA.yml		dot.ifeffitrc		test_a.pl
Makefile		error
Lyles-MacBook-Air:perl lyle$ cat error
rm -f blib/arch/auto/Ifeffit/Ifeffit.bundle
clang -mmacosx-version-min=10.8  -shared ifeffit_wrap.o  -o blib/arch/auto/Ifeffit/Ifeffit.bundle 	\
	   -L/Users/lyle/Desktop/ifeffit/wrappers/perl/../../src/lib -L/usr/local/lib -lifeffit  	\

Lyles-MacBook-Air:perl lyle$ sudo make install > error
Undefined symbols for architecture x86_64:
  "_Perl_Gthr_key_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      _SWIG_ConvertPtr in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      ...
  "_Perl_Imarkstack_ptr_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Ina_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Istack_base_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Istack_sp_ptr", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_Isv_undef_ptr", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
  "_Perl_Isv_yes_ptr", referenced from:
      _boot_Ifeffit in ifeffit_wrap.o
  "_Perl_croak_nocontext", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_mg_find", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_mg_get", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_newXS", referenced from:
      _boot_Ifeffit in ifeffit_wrap.o
  "_Perl_sv_2iv_flags", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
      __wrap_ifeffit_ in ifeffit_wrap.o
      __wrap_iffgetstr_ in ifeffit_wrap.o
      __wrap_iffgetsca_ in ifeffit_wrap.o
      __wrap_iffgetarr_ in ifeffit_wrap.o
      __wrap_iffputarr_ in ifeffit_wrap.o
      __wrap_iffgetecho_ in ifeffit_wrap.o
      ...
  "_Perl_sv_2nv", referenced from:
      __wrap_copy_Pdbl in ifeffit_wrap.o
      __wrap_Pdbl_assign in ifeffit_wrap.o
      __wrap_Parr_setitem in ifeffit_wrap.o
  "_Perl_sv_2pv_flags", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_isobject", referenced from:
      _SWIG_ConvertPtr in ifeffit_wrap.o
  "_Perl_sv_newmortal", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_setiv", referenced from:
      __wrap_iff_exec in ifeffit_wrap.o
      __wrap_ifeffit in ifeffit_wrap.o
      __wrap_iff_get_string in ifeffit_wrap.o
      __wrap_iff_put_string in ifeffit_wrap.o
      __wrap_iff_get_scalar in ifeffit_wrap.o
      __wrap_iff_put_scalar in ifeffit_wrap.o
      __wrap_iff_get_array in ifeffit_wrap.o
      ...
  "_Perl_sv_setnv", referenced from:
      __wrap_iff_scaval in ifeffit_wrap.o
      __wrap_Pdbl_value in ifeffit_wrap.o
      __wrap_Parr_getitem in ifeffit_wrap.o
  "_Perl_sv_setpv", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
  "_Perl_sv_setref_pv", referenced from:
      _SWIG_MakePtr in ifeffit_wrap.o
  "_Perl_sv_setsv_flags", referenced from:
      __wrap_iff_strval in ifeffit_wrap.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [blib/arch/auto/Ifeffit/Ifeffit.bundle] Error 1