diff options
| author | Nick Clifton <nickc@cygnus.com> | 1997-12-21 08:24:48 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1997-12-21 08:24:48 -0700 |
| commit | d300e55140f3d2b7c72b6e2c54aa8117508a278e (patch) | |
| tree | 0b8fadd5175f1003cd62fe44249ac0f84a09d3d4 /gcc/c-pragma.c | |
| parent | f9fc59e8c7d867eed481ec74433c8e582f95ce39 (diff) | |
| download | gcc-d300e55140f3d2b7c72b6e2c54aa8117508a278e.zip gcc-d300e55140f3d2b7c72b6e2c54aa8117508a278e.tar.gz gcc-d300e55140f3d2b7c72b6e2c54aa8117508a278e.tar.bz2 | |
c-pragma.c (handle_pragma_token): Generate warning messages about unknown pragmas if warn_unknown_pragmas is set.
* c-pragma.c (handle_pragma_token): Generate warning messages
about unknown pragmas if warn_unknown_pragmas is set.
* c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
line option to set variable: warn_unknown_pragmas.
From-SVN: r17168
Diffstat (limited to 'gcc/c-pragma.c')
| -rw-r--r-- | gcc/c-pragma.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/gcc/c-pragma.c b/gcc/c-pragma.c index 886c67b..87e060e 100644 --- a/gcc/c-pragma.c +++ b/gcc/c-pragma.c @@ -1,5 +1,5 @@ /* Handle #pragma, system V.4 style. Supports #pragma weak and #pragma pack. - Copyright (C) 1992 Free Software Foundation, Inc. + Copyright (C) 1992, 1997 Free Software Foundation, Inc. This file is part of GNU CC. @@ -18,8 +18,8 @@ along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <stdio.h> #include "config.h" +#include <stdio.h> #include "tree.h" #include "except.h" #include "function.h" @@ -65,7 +65,7 @@ handle_pragma_token (string, token) if (HANDLE_PRAGMA_WEAK) handle_pragma_weak (state, name, value); -#endif /* HANDLE_PRAMA_WEAK */ +#endif /* HANDLE_PRAGMA_WEAK */ } type = state = ps_start; @@ -82,7 +82,16 @@ handle_pragma_token (string, token) else if (strcmp (IDENTIFIER_POINTER (token), "weak") == 0) type = state = ps_weak; else - type = state = ps_done; + { + type = state = ps_done; + + /* Issue a warning message if we have been asked to do so. + Ignoring unknown pragmas in system header file unless + an explcit -Wunknown-pragmas has been given. */ + if (warn_unknown_pragmas > 1 + || (warn_unknown_pragmas && ! in_system_header)) + warning ("ignoring pragma: %s", string); + } } else type = state = ps_done; |