diff options
Diffstat (limited to 'libbuild2/bin/init.cxx')
| -rw-r--r-- | libbuild2/bin/init.cxx | 148 |
1 files changed, 76 insertions, 72 deletions
diff --git a/libbuild2/bin/init.cxx b/libbuild2/bin/init.cxx index bb935de..25d5c39 100644 --- a/libbuild2/bin/init.cxx +++ b/libbuild2/bin/init.cxx @@ -160,11 +160,9 @@ namespace build2 // load_module (rs, rs, "bin.vars", loc); - // Configure. + // Configuration. // - using config::required; - using config::optional; - using config::omitted; + using config::lookup_config; // Adjust module priority (binutils). // @@ -185,7 +183,7 @@ namespace build2 { value& v (rs.assign ("bin.lib")); if (!v) - v = *required (rs, "config.bin.lib", "both").first; + v = *lookup_config (rs, "config.bin.lib", "both"); } // config.bin.exe.lib @@ -193,7 +191,7 @@ namespace build2 { value& v (rs.assign ("bin.exe.lib")); if (!v) - v = *required (rs, "config.bin.exe.lib", exe_lib).first; + v = *lookup_config (rs, "config.bin.exe.lib", exe_lib); } // config.bin.liba.lib @@ -201,7 +199,7 @@ namespace build2 { value& v (rs.assign ("bin.liba.lib")); if (!v) - v = *required (rs, "config.bin.liba.lib", liba_lib).first; + v = *lookup_config (rs, "config.bin.liba.lib", liba_lib); } // config.bin.libs.lib @@ -209,7 +207,7 @@ namespace build2 { value& v (rs.assign ("bin.libs.lib")); if (!v) - v = *required (rs, "config.bin.libs.lib", libs_lib).first; + v = *lookup_config (rs, "config.bin.libs.lib", libs_lib); } // config.bin.rpath[_link] @@ -218,10 +216,10 @@ namespace build2 // any. // rs.assign ("bin.rpath") += cast_null<dir_paths> ( - optional (rs, "config.bin.rpath")); + lookup_config (rs, "config.bin.rpath", nullptr)); rs.assign ("bin.rpath_link") += cast_null<dir_paths> ( - optional (rs, "config.bin.rpath_link")); + lookup_config (rs, "config.bin.rpath_link", nullptr)); // config.bin.rpath[_link].auto // @@ -229,12 +227,12 @@ namespace build2 lookup l; rs.assign ("bin.rpath.auto") = - (l = omitted (rs, "config.bin.rpath.auto").first) + (l = lookup_config (rs, "config.bin.rpath.auto")) ? cast<bool> (l) : true; rs.assign ("bin.rpath_link.auto") = - (l = omitted (rs, "config.bin.rpath_link.auto").first) + (l = lookup_config (rs, "config.bin.rpath_link.auto")) ? cast<bool> (l) : true; } @@ -246,12 +244,12 @@ namespace build2 // that might have been specified before loading the module. // { - lookup p (omitted (rs, "config.bin.prefix").first); - lookup s (omitted (rs, "config.bin.suffix").first); + lookup p (lookup_config (rs, "config.bin.prefix")); + lookup s (lookup_config (rs, "config.bin.suffix")); auto set = [&rs] (const char* bv, const char* cv, lookup l) { - if (lookup o = omitted (rs, cv).first) + if (lookup o = lookup_config (rs, cv)) l = o; if (l) @@ -267,7 +265,7 @@ namespace build2 if (first) { - bool new_val (false); // Set any new values? + bool new_cfg (false); // Any new configuration values? // config.bin.target // @@ -277,14 +275,15 @@ namespace build2 // We first see if the value was specified via the configuration // mechanism. // - auto p (omitted (rs, var)); - lookup l (p.first); + lookup l (lookup_config (new_cfg, rs, var)); // Then see if there is a config hint (e.g., from the cc module). // bool hint (false); if (!l) { + // Note: new_cfg is false for a hinted value. + // if (auto hl = extra.hints[var]) { l = hl; @@ -342,8 +341,6 @@ namespace build2 fail << "unable to parse binutils target '" << s << "': " << e << info << "consider using the --config-sub option"; } - - new_val = new_val || p.second; // False for a hinted value. } // config.bin.pattern @@ -354,13 +351,14 @@ namespace build2 // We first see if the value was specified via the configuration // mechanism. // - auto p (omitted (rs, var)); - lookup l (p.first); + lookup l (lookup_config (new_cfg, rs, var)); // Then see if there is a config hint (e.g., from the C++ module). // if (!l) { + // Note: new_cfg is false for a hinted value. + // if (auto hl = extra.hints[var]) l = hl; } @@ -382,14 +380,13 @@ namespace build2 } rs.assign<string> ("bin.pattern") = s; - new_val = new_val || p.second; // False for a hinted value. } } - // If we set any new values (e.g., we are configuring), then print the - // report at verbosity level 2 and up (-v). + // If this is a configuration with new values, then print the report + // at verbosity level 2 and up (-v). // - if (verb >= (new_val ? 2 : 3)) + if (verb >= (new_cfg ? 2 : 3)) { diag_record dr (text); @@ -587,10 +584,14 @@ namespace build2 vp.insert<path> ("config.bin.ranlib", true); } - // Configure. + // Configuration. // if (first) { + using config::lookup_config; + + bool new_cfg (false); // Any new configuration values? + // config.bin.ar // config.bin.ranlib // @@ -619,31 +620,28 @@ namespace build2 // changes, say, the C++ compiler (which hinted the pattern), then // ar will automatically change as well. // - auto ap ( - config::required ( - rs, - "config.bin.ar", - path (apply_pattern (ar_d, pat.pattern)), - false, - config::save_default_commented)); - - auto rp ( - config::required ( - rs, - "config.bin.ranlib", - nullptr, - false, - config::save_default_commented)); - - const path& ar (cast<path> (ap.first)); - const path* ranlib (cast_null<path> (rp.first)); + const path& ar ( + cast<path> ( + lookup_config (new_cfg, + rs, + "config.bin.ar", + path (apply_pattern (ar_d, pat.pattern)), + config::save_default_commented))); + + const path* ranlib ( + cast_null<path> ( + lookup_config (new_cfg, + rs, + "config.bin.ranlib", + nullptr, + config::save_default_commented))); ar_info ari (guess_ar (ar, ranlib, pat.paths)); - // If this is a new value (e.g., we are configuring), then print the - // report at verbosity level 2 and up (-v). + // If this is a configuration with new values, then print the report + // at verbosity level 2 and up (-v). // - if (verb >= (ap.second || rp.second ? 2 : 3)) + if (verb >= (new_cfg ? 2 : 3)) { diag_record dr (text); @@ -750,10 +748,14 @@ namespace build2 vp.insert<path> ("config.bin.ld", true); } - // Configure. + // Configuration. // if (first) { + using config::lookup_config; + + bool new_cfg (false); // Any new configuration values? + // config.bin.ld // // Use the target to decide on the default ld name. @@ -765,21 +767,20 @@ namespace build2 // pattern_paths pat (lookup_pattern (rs)); - auto p ( - config::required ( - rs, - "config.bin.ld", - path (apply_pattern (ld_d, pat.pattern)), - false, - config::save_default_commented)); + const path& ld ( + cast<path> ( + lookup_config (new_cfg, + rs, + "config.bin.ld", + path (apply_pattern (ld_d, pat.pattern)), + config::save_default_commented))); - const path& ld (cast<path> (p.first)); ld_info ldi (guess_ld (ld, pat.paths)); - // If this is a new value (e.g., we are configuring), then print the - // report at verbosity level 2 and up (-v). + // If this is a configuration with new values, then print the report + // at verbosity level 2 and up (-v). // - if (verb >= (p.second ? 2 : 3)) + if (verb >= (new_cfg ? 2 : 3)) { diag_record dr (text); @@ -883,10 +884,14 @@ namespace build2 vp.insert<path> ("config.bin.rc", true); } - // Configure. + // Configuration. // if (first) { + using config::lookup_config; + + bool new_cfg (false); // Any new configuration values? + // config.bin.rc // // Use the target to decide on the default rc name. @@ -898,21 +903,20 @@ namespace build2 // pattern_paths pat (lookup_pattern (rs)); - auto p ( - config::required ( - rs, - "config.bin.rc", - path (apply_pattern (rc_d, pat.pattern)), - false, - config::save_default_commented)); + const path& rc ( + cast<path> ( + lookup_config (new_cfg, + rs, + "config.bin.rc", + path (apply_pattern (rc_d, pat.pattern)), + config::save_default_commented))); - const path& rc (cast<path> (p.first)); rc_info rci (guess_rc (rc, pat.paths)); - // If this is a new value (e.g., we are configuring), then print the - // report at verbosity level 2 and up (-v). + // If this is a configuration with new values, then print the report + // at verbosity level 2 and up (-v). // - if (verb >= (p.second ? 2 : 3)) + if (verb >= (new_cfg ? 2 : 3)) { text << "bin.rc " << project (rs) << '@' << rs << '\n' << " rc " << rci.path << '\n' |