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Diffstat (limited to 'libbuild2/cxx/init.cxx')
| -rw-r--r-- | libbuild2/cxx/init.cxx | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libbuild2/cxx/init.cxx b/libbuild2/cxx/init.cxx index 0c29d41..2d897ca 100644 --- a/libbuild2/cxx/init.cxx +++ b/libbuild2/cxx/init.cxx @@ -481,6 +481,12 @@ namespace build2 { case compiler_type::msvc: { + // Let's enable the new preprocessor in this mode. For background, + // see MSVC issue 10537317. + // + if (mj > 19 || (mj == 19 && mi >= 39)) + prepend ("/Zc:preprocessor"); + // Starting with 15.5 (19.12) Visual Studio-created projects // default to the strict mode. However, this flag currently tends // to trigger too many compiler bugs. So for now we leave it to |