diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2017-05-29 14:05:21 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2017-05-29 14:05:21 +0200 |
| commit | f69a53d0b83f6b6448aeacb98442b90e938696f3 (patch) | |
| tree | edfd544ed849eacbdc2d23f16aef6e27f34ad13c /build2/cc/init.cxx | |
| parent | d2d15fd4f70da8959d8222229c4e12c85ead8db3 (diff) | |
Add ability to limit amount of preprocessing done on source
The cc.preprocessed variable can be 'none' (not preprocessed), 'includes' (no
depends on preprocessor, e.g., #ifdef, etc), and 'all' (the source is fully
preprocessed). Note that for 'all' the source can still contain comments and
line continuations.
Diffstat (limited to 'build2/cc/init.cxx')
| -rw-r--r-- | build2/cc/init.cxx | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/build2/cc/init.cxx b/build2/cc/init.cxx index a5fcf83..f845712 100644 --- a/build2/cc/init.cxx +++ b/build2/cc/init.cxx @@ -83,6 +83,17 @@ namespace build2 v.insert<bool> ("config.cc.reprocess", true); v.insert<bool> ("cc.reprocess"); + // Ability to indicate that source is already (partially) preprocessed. + // Valid values are 'none' (not preprocessed), 'includes' (no #include + // directives in source), 'modules' (as above plus no module declaration + // depends on preprocessor, e.g., #ifdef, etc), and 'all' (the source is + // fully preprocessed). Note that for 'all' the source can still contain + // comments and line continuations. Note also that for some compilers + // (e.g., VC) there is no way to signal that the source is already + // preprocessed. + // + v.insert<string> ("cc.preprocessed"); + return true; } |