diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/doc/cppopts.texi | 2 | ||||
| -rw-r--r-- | libcpp/ChangeLog | 4 | ||||
| -rw-r--r-- | libcpp/init.c | 6 |
4 files changed, 16 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c47ba21dde5..43d3f5daa04 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2012-04-30 Dodji Seketeli <dodji@redhat.com> + Switch -ftrack-macro-expansion=2 on by default. + * docs/cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2 + by default. + Fix va_start related location * builtins.c (fold_builtin_next_arg): Unwinds to the first location in real source code. diff --git a/gcc/doc/cppopts.texi b/gcc/doc/cppopts.texi index 205d8708833..27b10952976 100644 --- a/gcc/doc/cppopts.texi +++ b/gcc/doc/cppopts.texi @@ -617,6 +617,8 @@ tokens locations completely. This value is the most memory hungry. When this option is given no argument, the default parameter value is @samp{2}. +Note that -ftrack-macro-expansion=2 is activated by default. + @item -fexec-charset=@var{charset} @opindex fexec-charset @cindex character set, execution diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog index 2c05214d4f7..271148cc07d 100644 --- a/libcpp/ChangeLog +++ b/libcpp/ChangeLog @@ -1,5 +1,9 @@ 2012-04-30 Dodji Seketeli <dodji@redhat.com> + Switch -ftrack-macro-expansion=2 on by default. + * init.c (cpp_create_reader): Switch -ftrack-macro-expansion=2 on + by default. Add comments. + Strip "<built-in>" loc from displayed expansion context * include/line-map.h (linemap_unwind_toward_expansion): Fix typo in comment. diff --git a/libcpp/init.c b/libcpp/init.c index 3262184c9c5..7752fea17ac 100644 --- a/libcpp/init.c +++ b/libcpp/init.c @@ -174,6 +174,12 @@ cpp_create_reader (enum c_lang lang, hash_table *table, CPP_OPTION (pfile, warn_dollars) = 1; CPP_OPTION (pfile, warn_variadic_macros) = 1; CPP_OPTION (pfile, warn_builtin_macro_redefined) = 1; + /* By default, track locations of tokens resulting from macro + expansion. The '2' means, track the locations with the highest + accuracy. Read the comments for struct + cpp_options::track_macro_expansion to learn about the other + values. */ + CPP_OPTION (pfile, track_macro_expansion) = 2; CPP_OPTION (pfile, warn_normalize) = normalized_C; CPP_OPTION (pfile, warn_literal_suffix) = 1; |