New version of the patch attached (this time), to answer Joseph's
remark. Original questions still apply, including:
What should "gfortran -fdollar-ok a.f b.c" do, if -fdollar-ok if a
fortran-only option?
FX
2005-10-31 Francois-Xavier Coudert <[EMAIL PROTECTED]>
PR fortran/18452
* lang.opt: Add comments about adding Fortran options.
2005-10-31 Francois-Xavier Coudert <[EMAIL PROTECTED]>
PR fortran/18452
* gcc/c.opt: Add all Fortran options that can be passed to
the preprocessor.
* gcc/c-opts.c: Add cases for all Fortran options that can be
passed to the preprocessor.
Index: gcc/fortran/lang.opt
===================================================================
--- gcc/fortran/lang.opt (revision 106019)
+++ gcc/fortran/lang.opt (working copy)
@@ -22,6 +22,14 @@
; Please try to keep this file in ASCII collating order.
+; To add a new Fortran option, you need to do the following:
+; -- add the option in the list below
+; -- get it handled by the Fortran front-end in options.c
+; -- add the option in the c.opt file if the option will be passed to
+; the preprocessor
+; -- add it to the list of Fortran options in c_common_handle_option()
+; in file c-opts.c
+
Language
Fortran
Index: gcc/c.opt
===================================================================
--- gcc/c.opt (revision 106019)
+++ gcc/c.opt (working copy)
@@ -231,6 +231,9 @@
C ObjC Var(warn_implicit_int)
Warn when a declaration does not specify a type
+Wimplicit-interface
+C Undocumented
+
Wimport
C ObjC C++ ObjC++
Deprecated. This switch has no effect
@@ -247,6 +250,9 @@
C ObjC C++ ObjC++
Warn about PCH files that are found but not used
+Wline-truncation
+C Undocumented
+
Wlong-long
C ObjC C++ ObjC++ Var(warn_long_long) Init(1)
Do not warn about using \"long long\" when -pedantic
@@ -299,6 +305,9 @@
C ObjC Var(warn_nonnull)
Warn about NULL being passed to argument slots marked as requiring non-NULL
+Wnonstd-intrinsics
+C Undocumented
+
Wnormalized=
C ObjC C++ ObjC++ Joined
-Wnormalized=<id|nfc|nfkc> Warn about non-normalised Unicode strings
@@ -379,6 +388,9 @@
ObjC ObjC++ Var(warn_strict_selector_match)
Warn if type signatures of candidate methods do not match exactly
+Wsurprising
+C Undocumented
+
Wsynth
C++ ObjC++ Var(warn_synth)
Warn when synthesis behavior differs from Cfront
@@ -403,10 +415,16 @@
C ObjC C++ ObjC++
Warn if an undefined macro is used in an #if directive
+Wunderflow
+C Undocumented
+
Wunknown-pragmas
C ObjC C++ ObjC++
Warn about unrecognized pragmas
+Wunused-labels
+C Undocumented
+
Wunused-macros
C ObjC C++ ObjC++
Warn about macros defined in the main file that are not used
@@ -446,6 +464,12 @@
C ObjC C++ ObjC++
Recognize the \"asm\" keyword
+fautomatic
+C Undocumented
+
+fbackslash
+C Undocumented
+
fbuiltin
C ObjC C++ ObjC++
Recognize built-in functions
@@ -473,14 +497,38 @@
ObjC ObjC++ Joined
-fconst-string-class=<name> Use class <name> for constant strings
+fcray-pointer
+C Undocumented
+
+fdefault-double-8
+C Undocumented
+
fdefault-inline
C++ ObjC++
Inline member functions by default
+fdefault-integer-8
+C Undocumented
+
+fdefault-real-8
+C Undocumented
+
+fd-lines-as-code
+C Undocumented
+
+fd-lines-as-comments
+C Undocumented
+
fdollars-in-identifiers
C ObjC C++ ObjC++
Permit '$' as an identifier character
+fdollar-ok
+C Undocumented
+
+fdump-parse-tree
+C Undocumented
+
felide-constructors
C++ ObjC++
@@ -507,16 +555,28 @@
fexternal-templates
C++ ObjC++
+ff2c
+C Undocumented
+
ffixed-form
-C ObjC
+C Undocumented
+ffixed-line-length-none
+C Undocumented
+
ffixed-line-length-
-C ObjC Joined
+C Undocumented
ffor-scope
C++ ObjC++
Scope of for-init-statement variables is local to the loop
+ffpe-trap=
+C Undocumented
+
+ffree-form
+C Undocumented
+
ffreestanding
C ObjC
Do not assume that standard C libraries and \"main\" exist
@@ -554,6 +614,9 @@
C++ ObjC++
Emit implicit instantiations of inline templates
+fimplicit-none
+C Undocumented
+
fimplicit-templates
C++ ObjC++
Emit implicit instantiations of templates
@@ -565,6 +628,15 @@
flabels-ok
C++ ObjC++
+fmax-identifier-length=
+C Undocumented
+
+fmax-stack-var-size=
+C Undocumented
+
+fmodule-private
+C Undocumented
+
fms-extensions
C ObjC C++ ObjC++
Don't warn about uses of Microsoft extensions
@@ -583,6 +655,9 @@
ObjC ObjC++
Assume that receivers of Objective-C messages may be nil
+fno-backend
+C Undocumented
+
fnonansi-builtins
C++ ObjC++
@@ -622,6 +697,9 @@
C++ ObjC++
Enable optional diagnostics
+fpack-derived
+C Undocumented
+
fpch-deps
C ObjC C++ ObjC++
@@ -637,6 +715,9 @@
C ObjC C++ ObjC++
Treat the input file as already preprocessed
+frepack-arrays
+C Undocumented
+
freplace-objc-classes
ObjC ObjC++
Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime
@@ -649,6 +730,9 @@
C++ ObjC++
Generate run time type descriptor information
+fsecond-underscore
+C Undocumented
+
fshort-double
C ObjC C++ ObjC++
Use the same size for double as for float
@@ -694,6 +778,9 @@
C++ ObjC++
-fno-threadsafe-statics Do not generate thread-safe code for initializing local statics
+funderscoring
+C Undocumented
+
funsigned-bitfields
C ObjC C++ ObjC++
When \"signed\" or \"unsigned\" is not given make the bitfield unsigned
@@ -812,6 +899,9 @@
C ObjC C++ ObjC++
Print a checksum of the executable for PCH validity checking, and stop
+qkind=
+C Undocumented
+
remap
C ObjC C++ ObjC++
Remap file names when including files
@@ -832,6 +922,15 @@
C ObjC
Deprecated in favor of -std=c99
+std=f95
+C Undocumented
+
+std=f2003
+C Undocumented
+
+std=gnu
+C Undocumented
+
std=gnu++98
C++ ObjC++
Conform to the ISO 1998 C++ standard with GNU extensions
@@ -848,6 +947,9 @@
C ObjC
Deprecated in favor of -std=gnu99
+std=legacy
+C Undocumented
+
std=iso9899:1990
C ObjC
Conform to the ISO 1990 C standard
Index: gcc/c-opts.c
===================================================================
--- gcc/c-opts.c (revision 106019)
+++ gcc/c-opts.c (working copy)
@@ -651,9 +651,45 @@
cpp_opts->extended_identifiers = value;
break;
+ case OPT_Wimplicit_interface:
+ case OPT_Wline_truncation:
+ case OPT_Wnonstd_intrinsics:
+ case OPT_Wsurprising:
+ case OPT_Wunderflow:
+ case OPT_Wunused_labels:
+ case OPT_fautomatic:
+ case OPT_fbackslash:
+ case OPT_fdefault_double_8:
+ case OPT_fdefault_integer_8:
+ case OPT_fdefault_real_8:
+ case OPT_fd_lines_as_code:
+ case OPT_fd_lines_as_comments:
+ case OPT_fdollar_ok:
+ case OPT_fdump_parse_tree:
+ case OPT_ff2c:
case OPT_ffixed_form:
+ case OPT_ffree_form:
+ case OPT_funderscoring:
+ case OPT_fcray_pointer:
+ case OPT_fsecond_underscore:
+ case OPT_fimplicit_none:
+ case OPT_ffixed_line_length_none:
case OPT_ffixed_line_length_:
- /* Fortran front end options ignored when preprocessing only. */
+ case OPT_fmax_identifier_length_:
+ case OPT_fmax_stack_var_size_:
+ case OPT_fmodule_private:
+ case OPT_fno_backend:
+ case OPT_fpack_derived:
+ case OPT_frepack_arrays:
+ case OPT_qkind_:
+ case OPT_ffpe_trap_:
+ case OPT_std_f95:
+ case OPT_std_f2003:
+ case OPT_std_gnu:
+ case OPT_std_legacy:
+ /* Fortran front end options ignored when preprocessing only.
+ This list is to be kept in sync with the list of options in
+ fortran/lang.opt with C as language. */
if (!flag_preprocess_only)
result = 0;
break;
