PR fortran/23677
* symbol.c (gfc_is_var_automatic): Return true if character length
is non-constant rather than constant.
* resolve.c (gfc_resolve): Don't handle !gfc_option.flag_automatic
here.
* options.c (gfc_post_options): Set gfc_option.flag_max_stack_var_size
to 0 for -fno-automatic.
* gfortran.fortran-torture/execute/save_1.f90: New test.
* gfortran.dg/save_1.f90: New test.
From-SVN: r104661
* configure.in: Recognize f95 in the --enable-languages option,
and substitute it for fortran, issuing a warning.
* configure: Regenerate.
* Make-lang.in: Change targets prefixes from f95 to fortran.
* config-lang.in: Change language name to "fortran".
* lang.opt: Change language name to "fortran".
* options.c: Change CL_F95 to CL_Fortran.
From-SVN: r104215
PR fortran/20592
* gfortran.h (gfc_option_t): Add flag_automatic.
* invoke.texi: Document the -fno-automatic option.
* lang.opt: Add a -fautomatic option.
* options.c (gfc_init_options): Default for -fautomatic is on.
(gfc_handle_option): Add handling of -fautomatic option.
* resolve.c (gfc_resolve): When -fno-automatic is used, mark
needed variables as SAVE.
From-SVN: r103671
* gfortran.h: Add flag_backslash compile-time option.
* lang.opt: Add support for -fbackslash option.
* options.c: Likewise.
* primary.c: Implement behavior for -fno-backslash.
* invoke.texi: Add doc for -fbackslash option.
* gfortran.texi: Remove mention of -fno-backslash as a
possible extension.
* gfortran.dg/backslash_1.f90: New test.
* gfortran.dg/backslash_2.f90: New test.
From-SVN: r101216
* gfortran.h (GFC_STD_LEGACY): New "standard" macro. Reindent.
* options.c (gfc_init_options): By default, allow legacy extensions
but warn about them.
(gfc_post_options): Make -pedantic warn about legacy extensions
even with -std=legacy.
(gfc_handle_option): Make -std=gnu follow the default behaviour
of warning about legacy extensions, but allowing them. Make the
new -std=legacy accept everything and warn about nothing.
* lang.opt (std=legacy): New F95 command line option.
* invoke.texi: Document both -std=f2003 and -std=legacy.
* gfortran.texi: Explain the two types of extensions and document
how they are affected by the various -std= command line options.
From-SVN: r100377
gcc/fortran/
PR fortran/20178
* gfortran.h (gfc_option): Add flag_f2c.
* invoke.texi: Document '-ff2c' command line option. Adapt
documentation for '-fno-second-underscore' and '-fno-underscoring'.
* lang.opt (ff2c): New entry.
* options.c (gfc-init_options): Set default calling convention
to -fno-f2c. Mark -fsecond-underscore unset.
(gfc_post_options): Set -fsecond-underscore if not explicitly set
by user.
(handle_options): Set gfc_option.flag_f2c according to requested
calling convention.
* trans-decl.c (gfc_get_extern_function_decl): Use special f2c
intrinsics where necessary.
(gfc_trans_deferred_vars): Change todo error to assertion.
* trans-expr.c (gfc_conv_variable): Dereference access
to hidden result argument.
(gfc_conv_function_call): Add hidden result argument to argument
list if f2c calling conventions requested. Slightly restructure
tests. Convert result of default REAL function to requested type
if f2c calling conventions are used. Dereference COMPLEX result
if f2c cc are used.
* trans-types.c (gfc_sym_type): Return double for default REAL
function if f2c cc are used.
(gfc_return_by_reference): Slightly restructure logic. Return
COMPLEX by reference depending on calling conventions.
(gfc_get_function_type): Correctly make hidden result argument a
pass-by-reference argument for COMPLEX. Remove old code which does
this for derived types.
libgfortran/
PR fortran/20178
* Makefile.am (gfor_specific_src): Add 'intrinsics/f2c_intrinsics.F90'
to dependencies.
* Makefile.in: Regenerate.
* intrinsics/f2c_specific.F90: New file.
gcc/testsuite/
PR fortran/20178
* gfortran.dg/f2c_1.f90, gfortran.dg/f2c_2.f90,
gfortran.dg/f2c_3.f90: New tests.
From-SVN: r99544
2004-10-31 Janne Blomqvist <jblomqvi@cc.hut.fi>
PR fortran/17590
* gfortran.h: Change GFC_STD_* flags to more appropriate
ones. (struct gfc_intrinsic_isym): Add field for standard. (struct
gfc_option_t): Add field for warning about use of nonstandard
intrinsics.
* intrinsic.c (add_sym): Add parameter for standard version, check
this against current standard.
(add_sym_0): Pass standard parameter to add_sym.
(add_sym_1, add_sym_0s, add_sym_1s, add_sym_1m, add_sym_2): Ditto.
(add_sym_2s, add_sym_3, add_sym_3ml, add_sym_3red, add_sym_3s): Ditto.
(add_sym_4, add_sym_4s, add_sym_5, add_sym_5s): Ditto.
(make_generic): Add parameter for standard, check this
against currently selected standard.
(add_functions, add_subroutines): Add parameter to tell which
standard an intrinsic belongs to.
(check_intrinsic_standard): New function.
(gfc_intrinsic_func_interface): Add call to check_intrinsic_standard.
(gfc_intrinsic_sub_interface): Ditto.
* lang.opt: Add Wnonstd-intrinsics option.
* options.c (gfc_init_options): Change to use new GFC_STD_* flags,
init new warning.
(set_Wall): Add warning about nonstd intrinsics.
(gfc_handle_option): Change to use new GFC_STD_* flags,
handle new warning.
* invoke.texi: Update manual to include -Wnonstd-intrinsics.
From-SVN: r89907
* options.c (gfc_init_options): Don't warn about the use GNU
extensions by default.
(gfc_post_options): Warn about GNU extensions with -pedantic.
(gfc_handle_option): Don't warn about GNU extensions with -std=gnu.
From-SVN: r85413
PR fortran/16465
* lang.opt (ffixed-line-length-none, ffixed-line-length-): New
options.
(ffixed-line-length-80, ffixed-line-length-132): Remove.
* options.c (gfc_handle_options): Deal with changed options.
* scanner.c (load_line): Change second arg to 'char **',
allocate if pointing to NULL. Keep track of buffer's length.
Adapt buffer size to overlong lines. Pad lines to full length
in fixed form.
(load_file): Adapt to new interface of load_line.
From-SVN: r84891
