diff options
| author | Boris Kolpackov <boris@codesynthesis.com> | 2017-08-02 14:17:40 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2017-08-02 14:17:40 +0200 |
| commit | d5ad01a48ac4c7c69995a58a3c198630df904419 (patch) | |
| tree | 53560955ad0bdc7a198cd7dc324963bb848d1cf2 | |
| parent | b399d1eb4965e658e5abdaf33ec844d3c15cbc5d (diff) | |
Add support for C++20/c++2a modes
Note: not yet enabled for GCC 8 since the patch is not yet merged.
| -rw-r--r-- | build2/cxx/init.cxx | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/build2/cxx/init.cxx b/build2/cxx/init.cxx index e2165a6..7f099cf 100644 --- a/build2/cxx/init.cxx +++ b/build2/cxx/init.cxx @@ -81,6 +81,7 @@ namespace build2 } case compiler_id::gcc: { + //if (mj >= 8) o = "-std=c++2a"; // 20 if (mj >= 5) o = "-std=c++1z"; // 17 else if (mj == 4 && mi >= 8) o = "-std=c++1y"; // 14 else if (mj == 4 && mi >= 4) o = "-std=c++0x"; // 11 @@ -105,7 +106,8 @@ namespace build2 else {mj = 3; mi = 0;} } - if (mj > 3 || (mj == 3 && mi >= 5)) o = "-std=c++1z"; // 17 + if (mj >= 5) o = "-std=c++2a"; // 20 + else if (mj > 3 || (mj == 3 && mi >= 5)) o = "-std=c++1z"; // 17 else if (mj == 3 && mi >= 4) o = "-std=c++1y"; // 14 else /* ??? */ o = "-std=c++0x"; // 11 @@ -253,8 +255,8 @@ namespace build2 case compiler_id::clang: case compiler_id::icc: { - // Translate 11 to 0x, 14 to 1y, and 17 to 1z for compatibility - // with older versions of the compilers. + // Translate 11 to 0x, 14 to 1y, 17 to 1z, and 20 to 2a for + // compatibility with older versions of the compilers. // if (v == nullptr) ; @@ -267,6 +269,7 @@ namespace build2 else if (*v == "11") o += "c++0x"; else if (*v == "14") o += "c++1y"; else if (*v == "17") o += "c++1z"; + else if (*v == "20") o += "c++2a"; else o += *v; // In case the user specifies e.g., 'gnu++17'. r.push_back (move (o)); |