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| author | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-04-05 10:32:23 +0000 |
|---|---|---|
| committer | bstarynk <bstarynk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-04-05 10:32:23 +0000 |
| commit | fe410b3e0f7de0376d98b922113c80f9ab4bd192 (patch) | |
| tree | 2907bc726434f732f093ecd43d5f5ba62ac08265 /gcc/doc/cppopts.texi | |
| parent | 941f2a0d21995a3e06f340891a639c4462850312 (diff) | |
| download | gcc-fe410b3e0f7de0376d98b922113c80f9ab4bd192.tar.gz | |
2008-04-05 Basile Starynkevitch <basile@starynkevitch.net>
MELT branch merged with trunk r133930
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@133932 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/cppopts.texi')
| -rw-r--r-- | gcc/doc/cppopts.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/cppopts.texi b/gcc/doc/cppopts.texi index dbc8f0e6e67..4b02a87cb8e 100644 --- a/gcc/doc/cppopts.texi +++ b/gcc/doc/cppopts.texi @@ -682,6 +682,14 @@ Like @samp{D}, but emit only the macro names, not their expansions. @opindex dI Output @samp{#include} directives in addition to the result of preprocessing. + +@item U +@opindex dU +Like @samp{D} except that only macros that are expanded, or whose +definedness is tested in preprocessor directives, are output; the +output is delayed until the use or test of the macro; and +@samp{#undef} directives are also output for macros tested but +undefined at the time. @end table @item -P |