We use in the library the _gfortran_ prefix; to do so, the -fallow-leading-underscore was created. The idea was to replace it as soon as we have ISO C Bindings. Well, we do now ...
http://gcc.gnu.org/ml/gcc-cvs/2007-01/msg00712.html r121007 | fxcoudert | 2007-01-20 19:33:20 +0100 (Sa, 20 Jan 2007) | 162 lines * gfortran.h (gfc_options_t): Add flag_allow_leading_underscore. * lang.opt: Add -fallow-leading-underscore. * match.c (gfc_match_name): Allow leading underscore in symbol name if -fallow-leading-underscore is used. * symbol.c (gfc_get_default_type): Add special case for symbol names beginning with an underscore. * trans-decl.c (gfc_get_extern_function_decl, gfc_build_intrinsic_function_decls): Add _gfortran prefix to library symbols selected_int_kind, selected_real_kind and all specifics. * options.c (gfc_init_options, gfc_handle_option): Handle the new -fallow-leading-underscore option. * m4/misc_specifics.m4: Add _gfortran prefix to specific names. * m4/specific2.m4: Likewise. * m4/specific.m4: Likewise. * intrinsics/f2c_specifics.F90: Likewise. * intrinsics/selected_int_kind.f90: Add _gfortran prefix. * intrinsics/selected_real_kind.f90: Likewise. * intrinsics/dprod_r8.f90: Likewise. * Makefile.am: Add -fallow-leading-underscore to the gfor_specific_src files, as well as selected_real_kind.F90 and selected_int_kind.F90 * Makefile.in: Regenerate. * generated/_sqrt_c8.F90: Regenerate. [...] -- Summary: Replace -fallow-leading-underscore by Bind(C) Product: gcc Version: 4.3.0 Status: UNCONFIRMED 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=32736
