diff options
Diffstat (limited to 'libcpp/charset.c')
| -rw-r--r-- | libcpp/charset.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libcpp/charset.c b/libcpp/charset.c index a3c24d6..fa46f92 100644 --- a/libcpp/charset.c +++ b/libcpp/charset.c @@ -995,6 +995,10 @@ _cpp_valid_ucn (cpp_reader *pfile, const uchar **pstr, if (!CPP_OPTION (pfile, cplusplus) && !CPP_OPTION (pfile, c99)) cpp_error (pfile, CPP_DL_WARNING, "universal character names are only valid in C++ and C99"); + else if (CPP_OPTION (pfile, cpp_warn_c90_c99_compat) + && !CPP_OPTION (pfile, cplusplus)) + cpp_error (pfile, CPP_DL_WARNING, + "C99's universal character names are incompatible with C90"); else if (CPP_WTRADITIONAL (pfile) && identifier_pos == 0) cpp_warning (pfile, CPP_W_TRADITIONAL, "the meaning of '\\%c' is different in traditional C", |