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| author | Alexandre Oliva <aoliva@redhat.com> | 2006-01-26 18:50:37 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2006-01-26 18:50:37 +0000 |
| commit | f4e9414ef87ba277f02cf9d66d6f40304e877cb7 (patch) | |
| tree | 5f651bd0ed5cebb8605697501f8758fbcf305fb8 /gcc/c-opts.c | |
| parent | e046a30ab14ee10d1d4e0cbc179199c754192270 (diff) | |
| download | gcc-f4e9414ef87ba277f02cf9d66d6f40304e877cb7.zip gcc-f4e9414ef87ba277f02cf9d66d6f40304e877cb7.tar.gz gcc-f4e9414ef87ba277f02cf9d66d6f40304e877cb7.tar.bz2 | |
re PR c/25892 (-Wpointer-sign creates problems for Emacs)
gcc/ChangeLog:
PR c/25892
* c.opt (Wpointer-sign): Init to -1.
* c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
OPT_pedantic, to 0 otherwise.
* doc/invoke.texi: Update.
gcc/testsuite/ChangeLog:
PR c/25892
* gcc.dg/Wpointer-sign.c: New.
* gcc.dg/Wpointer-sign-Wall.c: New.
* gcc.dg/Wpointer-sign-Wall-no.c: New.
* gcc.dg/Wpointer-sign-pedantic.c: New.
* gcc.dg/Wpointer-sign-pedantic-no.c: New.
* gcc.dg/conv-2.c: Use -Wpointer-sign.
From-SVN: r110265
Diffstat (limited to 'gcc/c-opts.c')
| -rw-r--r-- | gcc/c-opts.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c index 5bc5f5d..d2df860 100644 --- a/gcc/c-opts.c +++ b/gcc/c-opts.c @@ -417,6 +417,9 @@ c_common_handle_option (size_t scode, const char *arg, int value) cpp_opts->warn_comments = value; cpp_opts->warn_num_sign_change = value; cpp_opts->warn_multichar = value; /* Was C++ only. */ + + if (warn_pointer_sign == -1) + warn_pointer_sign = 1; break; case OPT_Wcomment: @@ -888,6 +891,8 @@ c_common_handle_option (size_t scode, const char *arg, int value) case OPT_pedantic: cpp_opts->pedantic = 1; cpp_opts->warn_endif_labels = 1; + if (warn_pointer_sign == -1) + warn_pointer_sign = 1; break; case OPT_print_objc_runtime_info: @@ -1008,6 +1013,11 @@ c_common_post_options (const char **pfilename) if (warn_missing_field_initializers == -1) warn_missing_field_initializers = extra_warnings; + /* -Wpointer_sign is disabled by default, but it is enabled if any + of -Wall or -pedantic are given. */ + if (warn_pointer_sign == -1) + warn_pointer_sign = 0; + /* Special format checking options don't work without -Wformat; warn if they are used. */ if (!warn_format) |