split .so generation into compile and link stage

1 files changed, 80 insertions, 34 deletions

diff --git a/lib/component_factory.cc b/lib/component_factory.cc
index bcf19f2..f8666dc 100644
--- a/lib/component_factory.cc
+++ b/lib/component_factory.cc
@@ -20,6 +20,7 @@
 namespace sitecing {
 
     static const char *pp_targets[] = { ".cc", ".h", ".imports", ".classname", ".baseclassname", ".ancestors" };
+    static const char *cc_targets[] = { ".o", ".d" };
 
     component_factory::component_factory(configuration& c)
         : config(c),
@@ -41,19 +42,7 @@ namespace sitecing {
         try {
             string noso = strip_suffix(dp,".so");
             string noro = strip_prefix(noso,root_so);
-            deps.push_back(root_intermediate+noro+".cc");
-            config_options *co_cpp_deps = config.lookup_config(noro,config_options::flag_cpp_deps);
-            if( (!co_cpp_deps) || co_cpp_deps->cpp_deps) {
-                ifstream df((root_intermediate+noro+".d").c_str(),ios::in);
-                if(df.good()) {
-                    string str;
-                    while(!df.eof()) {
-                        df >> str;
-                        if(str.find_first_of("\\:")==string::npos)
-                            deps.push_back(combine_path(config.root_source+noro,str));
-                    }
-                }
-            }
+            deps.push_back(root_intermediate+noro+".o");
             config_options *co_so_deps = config.lookup_config(noro,config_options::flag_so_deps);
             if(co_so_deps) {
                 for(list<string>::const_iterator i=co_so_deps->so_deps.begin();i!=co_so_deps->so_deps.end();++i)
@@ -98,6 +87,29 @@ namespace sitecing {
                 // do nothing. must be a cpp dependency.
             }
         }
+        // compiler targets
+        for(int cct=0;cct<sizeof(cc_targets)/sizeof(*cc_targets);cct++) {
+            try {
+                string nos = strip_suffix(dp,cc_targets[cct]);
+                string noro = strip_prefix(nos,root_intermediate);
+                deps.push_back(root_intermediate+noro+".cc");
+                config_options *co_cpp_deps = config.lookup_config(noro,config_options::flag_cpp_deps);
+                if( (!co_cpp_deps) || co_cpp_deps->cpp_deps) {
+                    ifstream df((root_intermediate+noro+".d").c_str(),ios::in);
+                    if(df.good()) {
+                        string str;
+                        while(!df.eof()) {
+                            df >> str;
+                            if(str.find_first_of("\\:")==string::npos)
+                                deps.push_back(combine_path(config.root_source+noro,str));
+                        }
+                    }
+                }
+                // XXX: extra deps like IntermediateDeps?
+            }catch(utility_no_affix& una) {
+                // do nothing.
+            }
+        }
     }
 
     bool component_factory::is_uptodate(const string& dst,file_list_t *deps) {
@@ -129,38 +141,27 @@ namespace sitecing {
         try {
             string noso = strip_suffix(dp,".so");
             string noro = strip_prefix(noso,root_so);
-            string cc = root_intermediate+noro+".cc";
-            if(access(cc.c_str(),R_OK))
-                throw konforka::exception(CODEPOINT,string("can't access preprocessed component code (")+cc+")");
+            string o = root_intermediate+noro+".o";
+            if(access(o.c_str(),R_OK))
+                throw konforka::exception(CODEPOINT,string("can't access compiled component code (")+o+")");
             make_path(dir_name(root_so+noro),0755);
-            string pwd = dir_name(root_source+noro);
-            auto_chdir dir_changer(pwd);
-            file_lock lock_source(root_intermediate+noro+".lock");
+            file_lock lock_cc(root_intermediate+noro+".o.lock");
             file_lock lock_so(root_so+noro+".so.lock");
-            int stdO = open((root_intermediate+noro+".stdout").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
+            int stdO = open((root_intermediate+noro+".ld.stdout").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
             if(stdO<0)
-                throw konforka::exception(CODEPOINT,"failed to open/create compiler stdout");
-            int stdE = open((root_intermediate+noro+".stderr").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
+                throw konforka::exception(CODEPOINT,"failed to open/create linker stdout");
+            int stdE = open((root_intermediate+noro+".ld.stderr").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
             if(stdE<0) {
                 close(stdO);
-                throw konforka::exception(CODEPOINT,"failed to open/create compiler's stderr");
+                throw konforka::exception(CODEPOINT,"failed to open/create linker stderr");
             }
             list<string> args;
-            config_options *co_cpp_flags = config.lookup_config(noro,config_options::flag_cpp_flags);
-            if(co_cpp_flags) {
-                args.insert(args.end(),co_cpp_flags->cpp_flags.begin(),co_cpp_flags->cpp_flags.end());
-            }
             config_options *co_ld_flags = config.lookup_config(noro,config_options::flag_ld_flags);
             if(co_ld_flags) {
                 args.insert(args.end(),co_ld_flags->ld_flags.begin(),co_ld_flags->ld_flags.end());
             }
-            // TODO: maybe move it to separare config option like CoreCPPFLags?
-            args.push_back("-I"+root_intermediate);
-            args.push_back("-I"+root_source);
-            args.push_back("-MD"); args.push_back("-MF"); args.push_back(root_intermediate+noro+".d");
             args.push_back("-shared");
-            args.push_back("-o"); args.push_back(dp);
-            args.push_back(cc);
+            args.push_back(o);
             file_list_t ancestors;
             get_ancestors(noro,ancestors);
             for(file_list_t::const_iterator i=ancestors.begin();i!=ancestors.end();++i) {
@@ -168,15 +169,60 @@ namespace sitecing {
                 make(aso);
                 args.push_back(aso);
             }
+            args.push_back("-o"); args.push_back(dp);
             // TODO: "g++" configurable
             int rv = execute("g++",args,stdO,stdE);
             if(! (WIFEXITED(rv) && !WEXITSTATUS(rv)) )
-                throw compile_error(CODEPOINT,"failed to compile component",noro);
+                // TODO:TODO: linker_error
+                throw compile_error(CODEPOINT,"failed to link component",noro);
             return;
         }catch(utility_no_prefix& unp) {
             throw konforka::exception(CODEPOINT,"component is outside of component root");
         }catch(utility_no_suffix& uns) {
         }
+        // compiler targets
+        for(int cct=0;cct<sizeof(cc_targets)/sizeof(*cc_targets);cct++) {
+            try {
+                string nos = strip_suffix(dp,cc_targets[cct]);
+                string noro = strip_prefix(nos,root_intermediate);
+                string cc = root_intermediate+noro+".cc";
+                string o = root_intermediate+noro+".o";
+                if(access(cc.c_str(),R_OK))
+                    throw konforka::exception(CODEPOINT,string("can't access preprocessed component code (")+cc+")");
+                make_path(dir_name(cc),0755);
+                string pwd = dir_name(root_source+noro);
+                auto_chdir dir_changer(pwd);
+                file_lock lock_source(root_intermediate+noro+".lock");
+                file_lock lock_cc(root_intermediate+noro+".o.lock");
+                int stdO = open((root_intermediate+noro+".stdout").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
+                if(stdO<0)
+                    throw konforka::exception(CODEPOINT,"failed to open/create compiler stdout");
+                int stdE = open((root_intermediate+noro+".stderr").c_str(),O_CREAT|O_TRUNC|O_WRONLY,0664);
+                if(stdE<0) {
+                    close(stdO);
+                    throw konforka::exception(CODEPOINT,"failed to open/create compiler's stderr");
+                }
+                list<string> args;
+                config_options *co_cpp_flags = config.lookup_config(noro,config_options::flag_cpp_flags);
+                if(co_cpp_flags) {
+                    args.insert(args.end(),co_cpp_flags->cpp_flags.begin(),co_cpp_flags->cpp_flags.end());
+                }
+                // TODO: maybe move it to separare config option like CoreCPPFLags?
+                args.push_back("-I"+root_intermediate);
+                args.push_back("-I"+root_source);
+                args.push_back("-MD"); args.push_back("-MF"); args.push_back(root_intermediate+noro+".d");
+                args.push_back("-c");
+                args.push_back(cc);
+                args.push_back("-o"); args.push_back(o);
+                // TODO: "g++" configurable
+                int rv = execute("g++",args,stdO,stdE);
+                if(! (WIFEXITED(rv) && !WEXITSTATUS(rv)) )
+                    throw compile_error(CODEPOINT,"failed to compile component",noro);
+                return;
+            }catch(utility_no_affix& una) {
+                // do nothing, not a compiler target
+            }
+        }
         // preprocessor targets
         for(int ppt=0;ppt<sizeof(pp_targets)/sizeof(*pp_targets);ppt++) {
             try {