diff --git a/build_string.bat b/build_string.bat
index d4299d9d..ec550bbf 100644
--- a/build_string.bat
+++ b/build_string.bat
@@ -1,19 +1,21 @@
 @echo off
 
-SET OPTS=-W4 -wd4310 -wd4100 -wd4201 -wd4505 -wd4996 -wd4127 -wd4510 -wd4512 -wd4610 -wd4390 -WX
-SET OPTS=%OPTS% -wd4611 -GR- -EHa- -nologo -FC
+build.bat /DSTRING_BUILD
 
-SET FirstError=0
-
-pushd ..\build
-cl %OPTS% ..\code\string\4ed_string_builder.cpp /Zi /Festring_builder
-if %ERRORLEVEL% neq 0 (set FirstError=1)
-if %ERRORLEVEL% neq 0 (goto END)
-popd
-
-pushd string
-..\..\build\string_builder
-if %ERRORLEVEL% neq 0 (set FirstError=1)
-popd
-
-:END
+REM SET OPTS=-W4 -wd4310 -wd4100 -wd4201 -wd4505 -wd4996 -wd4127 -wd4510 -wd4512 -wd4610 -wd4390 -WX
+REM SET OPTS=%OPTS% -wd4611 -GR- -EHa- -nologo -FC
+REM 
+REM SET FirstError=0
+REM 
+REM pushd ..\build
+REM cl %OPTS% ..\code\string\4ed_string_builder.cpp /Zi /Festring_builder
+REM if %ERRORLEVEL% neq 0 (set FirstError=1)
+REM if %ERRORLEVEL% neq 0 (goto END)
+REM popd
+REM 
+REM pushd string
+REM ..\..\build\string_builder
+REM if %ERRORLEVEL% neq 0 (set FirstError=1)
+REM popd
+REM 
+REM :END
diff --git a/meta/4ed_build.cpp b/meta/4ed_build.cpp
index 846c1c1c..6dc29981 100644
--- a/meta/4ed_build.cpp
+++ b/meta/4ed_build.cpp
@@ -430,7 +430,7 @@ site_build(char *cdir, u32 flags){
         END_TIME_SECTION("build sitegen");
     }
     
-    {
+    if (prev_error == 0){
         BEGIN_TIME_SECTION();
         char *cmd = fm_str(BUILD_DIR"/sitegen");
         char *code_dir = fm_str(".");
@@ -472,6 +472,25 @@ metagen(char *cdir){
     build_and_run(cdir, "meta/4ed_metagen.cpp", "metagen", OPTS | DEBUG_INFO);
 }
 
+internal void
+string_build(char *cdir){
+    char *dir = fm_str(BUILD_DIR);
+    
+    {
+        char *file = fm_str("string/4ed_string_builder.cpp");
+        BEGIN_TIME_SECTION();
+        build(OPTS | DEBUG_INFO, Arch_X64, cdir, file, dir, "string_builder", 0, 0, includes);
+        END_TIME_SECTION("build string_builder");
+    }
+    
+    if (prev_error == 0){
+        char *cmd = fm_str(cdir, "/", dir, "/string_builder");
+        BEGIN_TIME_SECTION();
+        fm_execute_in_dir(fm_str(cdir, "/string"), cmd, 0);
+        END_TIME_SECTION("run string_builder");
+    }
+}
+
 internal void
 do_buildsuper(char *cdir, char *file, u32 arch){
     BEGIN_TIME_SECTION();
@@ -668,6 +687,9 @@ int main(int argc, char **argv){
 #elif defined(SITE_BUILD)
     site_build(cdir, DEBUG_INFO);
     
+#elif defined(STRING_BUILD)
+    string_build(cdir);
+    
 #else
 # error No build type specified.
 #endif
diff --git a/string/4coder_string_build_num.txt b/string/4coder_string_build_num.txt
index f92a4013..89534ae9 100644
--- a/string/4coder_string_build_num.txt
+++ b/string/4coder_string_build_num.txt
@@ -1,5 +1,5 @@
 1
 0
-88
+91
 
 
diff --git a/string/4ed_string_builder.cpp b/string/4ed_string_builder.cpp
index 3c1e5d9b..1947dc5a 100644
--- a/string/4ed_string_builder.cpp
+++ b/string/4ed_string_builder.cpp
@@ -281,8 +281,6 @@ int main(){
                     Item_Node *item = string_unit.set.items + j;
                     
                     if (item->t == Item_Function){
-                        //append_ss       (&line, item->marker);
-                        //append_padding  (&line, ' ', RETURN_PADDING);
                         append_ss       (&line, item->ret);
                         append_padding  (&line, ' ', SIG_PADDING);
                         append_ss       (&line, item->name);