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| author | Chandrakala Chavva <cchavva@redhat.com> | 2000-10-17 16:07:51 -0400 |
|---|---|---|
| committer | Chandra Chavva <cchavva@gcc.gnu.org> | 2000-10-17 16:07:51 -0400 |
| commit | 10501d8f2f0419000b8c7b6852640d416385dd8c (patch) | |
| tree | 986f942801037d913a68b835d461513a99cb4d0d | |
| parent | c330e9c1e28caf8f48e4be47829bd6c9a86e91b7 (diff) | |
| download | gcc-10501d8f2f0419000b8c7b6852640d416385dd8c.zip gcc-10501d8f2f0419000b8c7b6852640d416385dd8c.tar.gz gcc-10501d8f2f0419000b8c7b6852640d416385dd8c.tar.bz2 | |
Added new option --target-help.
From-SVN: r36910
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/invoke.texi | 6 | ||||
| -rw-r--r-- | gcc/toplev.c | 24 |
3 files changed, 35 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0e204ee..0002f07 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2000-10-17 Chandrakala Chavva <cchavva@redhat.com> + + * gcc.c: New options --target-help. + (process_command): Added code to parse this new option. + * toplev.c (display_target_options): New function to support the + above new option. + * cppinit.c (new_pending_directive) : New option OPT_target__help. + (cpp_handle_option): Support this new option. + * invoke.texi: Added notes about --target-help option. + 2000-10-17 Graham Stott <grahams@redhat.com> * config/i386/i386.md (testqi_1): Add missing operand prefix diff --git a/gcc/invoke.texi b/gcc/invoke.texi index 47d4fd5..19ae2a0 100644 --- a/gcc/invoke.texi +++ b/gcc/invoke.texi @@ -90,7 +90,7 @@ in the following sections. @item Overall Options @xref{Overall Options,,Options Controlling the Kind of Output}. @smallexample --c -S -E -o @var{file} -pipe -pass-exit-codes -v --help -x @var{language} +-c -S -E -o @var{file} -pipe -pass-exit-codes -v --target-help --help -x @var{language} @end smallexample @item C Language Options @@ -646,6 +646,10 @@ invoked by @code{gcc}, so that they can display the command line options they accept. If the @code{-W} option is also specified then command line options which have no documentation associated with them will also be displayed. + +@item --target-help +Print (on the standard output) a description of target specific command +line options for each tool. @end table @node Invoking G++ diff --git a/gcc/toplev.c b/gcc/toplev.c index cccdb35..6613963 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -170,6 +170,7 @@ static void output_lang_identify PARAMS ((FILE *)) ATTRIBUTE_UNUSED; #endif static void compile_file PARAMS ((const char *)); static void display_help PARAMS ((void)); +static void display_target_options PARAMS ((void)); static void mark_file_stack PARAMS ((void *)); static void decode_d_option PARAMS ((const char *)); @@ -3886,6 +3887,15 @@ display_help () printf (_("\nThere are undocumented %s specific options as well.\n"), lang); + display_target_options (); +} + +void +display_target_options () +{ + int undoc,i; + unsigned long; + if (ARRAY_SIZE (target_switches) > 1 #ifdef TARGET_OPTIONS || ARRAY_SIZE (target_options) > 1 @@ -3910,10 +3920,10 @@ display_help () undoc = 1; if (extra_warnings) - printf (_(" -m%-21.21s [undocumented]\n"), option); + printf (_(" -m%-23.23s [undocumented]\n"), option); } else if (* description != 0) - doc += printf (" -m%-21.21s %s\n", option, description); + doc += printf (" -m%-23.23s %s\n", option, description); } #ifdef TARGET_OPTIONS @@ -3929,10 +3939,10 @@ display_help () undoc = 1; if (extra_warnings) - printf (_(" -m%-21.21s [undocumented]\n"), option); + printf (_(" -m%-23.23s [undocumented]\n"), option); } else if (* description != 0) - doc += printf (" -m%-21.21s %s\n", option, description); + doc += printf (" -m%-23.23s %s\n", option, description); } #endif if (undoc) @@ -4307,6 +4317,12 @@ independent_decode_option (argc, argv) exit (0); } + if (!strcmp (arg, "-target-help")) + { + display_target_options (); + exit (0); + } + if (*arg == 'Y') arg++; |