Support conditionals inside components

[builder.git] / source / component.cpp

diff --git a/source/component.cpp b/source/component.cpp
index 4a889cb1750903209638a2cb2b8d8b3945847793..5104cdf3e92b04c8567304baae993bf974f9952c 100644 (file)
--- a/source/component.cpp
+++ b/source/component.cpp
@@ -68,6 +68,25 @@ void Component::create_build_info()
        final_build_info.update_from(build_info);
        build_info = final_build_info;
 
+       for(UseList::const_iterator i=uses.begin(); i!=uses.end(); ++i)
+       {
+               /* Select an include path that contains all the sources for this and the
+               used component.  This should produce a sensible result in most cases. */
+               FS::Path base;
+               for(SourceList::const_iterator j=sources.begin(); j!=sources.end(); ++j)
+                       base = base.empty() ? *j : FS::common_ancestor(base, *j);
+               const SourceList &use_sources = (*i)->get_sources();
+               for(SourceList::const_iterator j=use_sources.begin(); j!=use_sources.end(); ++j)
+                       base = FS::common_ancestor(base, *j);
+               build_info.incpath.push_back(base);
+               build_info.libs.push_back((*i)->get_name());
+               if(!(*i)->get_install())
+               {
+                   build_info.libmodes[(*i)->get_name()] = BuildInfo::STATIC;
+                       build_info.libpath.push_back((*i)->get_package().get_source_directory());
+               }
+       }
+
        if(type==LIBRARY || type==MODULE)
                if(build_info.libmode<BuildInfo::DYNAMIC)
                        build_info.libmode = BuildInfo::DYNAMIC;
@@ -85,10 +104,10 @@ void Component::create_build_info()
 void Component::create_targets() const
 {
        Builder &builder = package.get_builder();
+       BuildGraph &build_graph = builder.get_build_graph();
        const Toolchain &toolchain = builder.get_toolchain();
 
        SourceList source_filenames = collect_source_files();
-       list<Target *> inst_list;
 
        string inst_loc;
        if(type==TARBALL)
@@ -110,8 +129,8 @@ void Component::create_targets() const
                        tarname = package.get_name()+"-"+package.get_version();
                        files.insert(files.begin(), &package.get_build_file());
 
-                       const Builder::TargetMap &targets = builder.get_targets();
-                       for(Builder::TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
+                       const BuildGraph::TargetMap &targets = build_graph.get_targets();
+                       for(BuildGraph::TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
                                if(i->second->get_package()==&package && !i->second->is_buildable())
                                        if(find(files.begin(), files.end(), i->second)==files.end())
                                                files.push_back(i->second);
@@ -119,13 +138,14 @@ void Component::create_targets() const
 
                Target *result = tar.create_target(files, tarname);
 
-               builder.get_target("tarballs")->add_dependency(*result);
+               build_graph.get_target("tarballs")->add_dependency(*result);
 
                return;
        }
        else if(type==INSTALL)
        {
-               inst_loc = name;
+               Target *inst = build_graph.get_target("install");
+               const Tool &copy = toolchain.get_tool("CP");
                for(SourceList::const_iterator i=source_filenames.begin(); i!=source_filenames.end(); ++i)
                {
                        FileTarget *ft;
@@ -133,7 +153,7 @@ void Component::create_targets() const
                                ft = dynamic_cast<FileTarget *>(tgt);
                        else
                                ft = new File(builder, package, *i);
-                       inst_list.push_back(ft);
+                       inst->add_dependency(*copy.create_target(*ft, name));
                }
        }
        else if(type==DATAFILE)
@@ -147,9 +167,9 @@ void Component::create_targets() const
                        source = new File(builder, package, source_filenames.front());
                Target *result = dcomp.create_target(*source);
 
-               builder.add_primary_target(*result);
+               build_graph.add_primary_target(*result);
                if(install)
-                       inst_list.push_back(result);
+                       build_graph.add_installed_target(*result);
        }
 
        if(type==PROGRAM || type==LIBRARY || type==MODULE)
@@ -172,7 +192,7 @@ void Component::create_targets() const
                                }
 
                                if(type==LIBRARY && install && dynamic_cast<FileTarget *>(src)->is_installable())
-                                       inst_list.push_back(src);
+                                       build_graph.add_installed_target(*src);
                        }
                }
 
@@ -192,19 +212,11 @@ void Component::create_targets() const
 
                for(list<Target *>::const_iterator i=results.begin(); i!=results.end(); ++i)
                {
-                       builder.add_primary_target(**i);
+                       build_graph.add_primary_target(**i);
                        if(install)
-                               inst_list.push_back(*i);
+                               build_graph.add_installed_target(**i);
                }
        }
-
-       Target *inst_tgt = builder.get_target("install");
-       const Tool &copy = toolchain.get_tool("CP");
-       for(list<Target *>::const_iterator i=inst_list.begin(); i!=inst_list.end(); ++i)
-       {
-               Target *inst = copy.create_target(**i, inst_loc);
-               inst_tgt->add_dependency(*inst);
-       }
 }
 
 Component::SourceList Component::collect_source_files() const
@@ -231,12 +243,33 @@ Component::SourceList Component::collect_source_files() const
 Component::Loader::Loader(Component &c):
        DataFile::ObjectLoader<Component>(c)
 {
+       add("if_arch",         &Loader::if_arch);
+       add("if_feature",      &Loader::if_feature);
        add("source",          &Loader::source);
        add("install",         &Component::install);
        add("install_map",     &Loader::install_map);
        add("build_info",      &Loader::build_info);
        add("require",         &Loader::require);
        add("default",         &Component::deflt);
+       add("use",             &Loader::use);
+}
+
+void Component::Loader::if_arch(const string &cond)
+{
+       bool match = obj.package.get_builder().get_current_arch().match_name(cond);
+       obj.package.get_builder().get_logger().log("configure",
+               format("%s/%s: arch %s %smatched", obj.package.get_name(), obj.name, cond, (match ? "" : "not ")));
+       if(match)
+               load_sub_with(*this);
+}
+
+void Component::Loader::if_feature(const string &cond)
+{
+       bool match = obj.package.match_feature(cond);
+       obj.package.get_builder().get_logger().log("configure",
+               format("%s/%s: feature %s %smatched", obj.package.get_name(), obj.name, cond, (match ? "" : "not ")));
+       if(match)
+               load_sub_with(*this);
 }
 
 void Component::Loader::source(const string &s)
@@ -260,3 +293,15 @@ void Component::Loader::install_map()
 {
        load_sub(obj.install_map, obj.package.get_source_directory());
 }
+
+void Component::Loader::use(const string &n)
+{
+       const SourcePackage::ComponentList &components = obj.package.get_components();
+       for(SourcePackage::ComponentList::const_iterator i=components.begin(); i!=components.end(); ++i)
+               if(i->get_name()==n && i->get_type()==LIBRARY)
+               {
+                       obj.uses.push_back(&*i);
+                       return;
+               }
+       throw invalid_argument("Component::Loader::use");
+}