From: http://de.wikibooks.org/w/index.php?title=Fortran:_Fortran_und_C:_Fortran_2003#Datenverbund
/tmp/ccW1yqyk.o: In function `MAIN__': f.f90:(.text+0x3e): undefined reference to `__iso_c_binding_c_f_pointer_s1' program main use iso_c_binding implicit none type, bind( c ) :: A integer( c_int ) :: xc, yc type( c_ptr ) :: str end type type( c_ptr ) :: x type( A ), pointer :: fptr character( len=9 ), pointer :: strptr call c_f_pointer( fptr%str, strptr ) end program main -- Summary: [ISO Bind C] Accept c_pointer_* for TYPE Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: rejects-valid Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32627