diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2020-07-02 08:41:02 +0200 |
---|---|---|
committer | Boris Kolpackov <boris@codesynthesis.com> | 2020-07-02 08:41:02 +0200 |
commit | 45c9008b9679aeed32487f065e3e594f320c8b9f (patch) | |
tree | 8c1451e03fd20ce3938f3fd57b3aea1b1d05c888 /libbuild2/config/init.cxx | |
parent | 4bab5c56cd1c91a928af73e0d428d8cc361600f4 (diff) |
Optimize variable extraction in bootstrap_src()
Diffstat (limited to 'libbuild2/config/init.cxx')
-rw-r--r-- | libbuild2/config/init.cxx | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/libbuild2/config/init.cxx b/libbuild2/config/init.cxx index aa2c763..69da09c 100644 --- a/libbuild2/config/init.cxx +++ b/libbuild2/config/init.cxx @@ -204,13 +204,12 @@ namespace build2 // Assume missing version is 0. // - auto p (extract_variable (rs.ctx, lex, c_v)); - uint64_t v (p.second ? cast<uint64_t> (p.first) : 0); + optional<value> ov (extract_variable (rs.ctx, lex, c_v)); + uint64_t v (ov ? cast<uint64_t> (*ov) : 0); if (v != module::version) fail (l) << "incompatible config file " << in << - info << "config file version " << v - << (p.second ? "" : " (missing)") << + info << "config file version " << v << (ov ? "" : " (missing)") << info << "config module version " << module::version << info << "consider reconfiguring " << project (rs) << '@' << rs.out_path (); |