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| author | Jason Merrill <jason@yorick.cygnus.com> | 1998-07-06 21:53:23 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-07-06 15:53:23 -0600 |
| commit | 4a870dba91eec0a8ce9bd598836d6e76e5c12780 (patch) | |
| tree | 133da29a4cd483c86333e2ae30d675e185fc7bb0 /gcc/c-decl.c | |
| parent | ed79bb3d427c5fa3fa39240a965f47de2463c37c (diff) | |
| download | gcc-4a870dba91eec0a8ce9bd598836d6e76e5c12780.zip gcc-4a870dba91eec0a8ce9bd598836d6e76e5c12780.tar.gz gcc-4a870dba91eec0a8ce9bd598836d6e76e5c12780.tar.bz2 | |
c-decl.c: Add warn_multichar.
* c-decl.c: Add warn_multichar.
(c_decode_option): Handle -Wno-multichar.
* c-lex.c (yylex): Check it.
* c-tree.h: Declare it.
* toplev.c (lang_options): Add it.
* invoke.texi: Document it.
From-SVN: r20968
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 5465e40..9901db8 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -577,6 +577,10 @@ int warn_unknown_pragmas = 0; /* Tri state variable. */ int warn_sign_compare = -1; +/* Nonzero means warn about use of multicharacter literals. */ + +int warn_multichar = 1; + /* Nonzero means `$' can be in an identifier. */ #ifndef DOLLARS_IN_IDENTIFIERS @@ -792,6 +796,10 @@ c_decode_option (argc, argv) warn_sign_compare = 1; else if (!strcmp (p, "-Wno-sign-compare")) warn_sign_compare = 0; + else if (!strcmp (p, "-Wmultichar")) + warn_multichar = 1; + else if (!strcmp (p, "-Wno-multichar")) + warn_multichar = 0; else if (!strcmp (p, "-Wunknown-pragmas")) /* Set to greater than 1, so that even unknown pragmas in system headers will be warned about. */ |