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Switch -ftrack-macro-expansion=2 on by default.

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This switches the compiler to -ftrack-macro-expansion=2 by default.

Tested and bootstrapped on x86_64-unknown-linux-gnu against trunk.

libcpp/

	* init.c (cpp_create_reader): Switch -ftrack-macro-expansion=2 on
	by default.  Add comments.

gcc/docs/

	* cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2 by
	default.

From-SVN: r186977
This commit is contained in:
Dodji Seketeli 2012-04-30 11:43:43 +00:00 committed by Dodji Seketeli
parent dde9c193eb
commit 51fce2d396
4 changed files with 16 additions and 0 deletions
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4
gcc/ChangeLog
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@ -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.

2
gcc/doc/cppopts.texi
View File

@ -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

4
libcpp/ChangeLog
View File

@ -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.

6
libcpp/init.c
View File

@ -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;