diff options
| author | Jason Merrill <jason@redhat.com> | 2015-05-09 00:50:10 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2015-05-09 00:50:10 -0400 |
| commit | fe191308ddc9bb7095d01bcd11dcaf1f38c84bab (patch) | |
| tree | 61fa36eb422bfdf8906071bacaa096b5ef2c2dbc /libcpp/lex.c | |
| parent | 169980942642c39a062529f747e00a7882d046d7 (diff) | |
lex.c (lex_string): Add -Wc++11-compat warning.
libcpp/
* lex.c (lex_string): Add -Wc++11-compat warning.
* include/cpplib.h: Add CPP_W_CXX11_COMPAT.
(struct cpp_options): Add cpp_warn_cxx11_compat.
* init.c (cpp_create_reader): Initialize it.
gcc/c-family/
* c.opt (Wc++0x-compat): Set it.
From-SVN: r222961
Diffstat (limited to 'libcpp/lex.c')
| -rw-r--r-- | libcpp/lex.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libcpp/lex.c b/libcpp/lex.c index ac96ff8dbe5..c7296a110b6 100644 --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -1905,6 +1905,12 @@ lex_string (cpp_reader *pfile, cpp_token *token, const uchar *base) ++cur; } } + else if (CPP_OPTION (pfile, cpp_warn_cxx11_compat) + && is_macro (pfile, cur) + && !pfile->state.skipping) + cpp_warning_with_line (pfile, CPP_W_CXX11_COMPAT, + token->src_loc, 0, "C++11 requires a space " + "between string literal and macro"); pfile->buffer->cur = cur; create_literal (pfile, token, base, cur - base, type); |