diff --git a/repbuild/src/dev.rs b/repbuild/src/dev.rs
index f93edd158..91c464477 100644
--- a/repbuild/src/dev.rs
+++ b/repbuild/src/dev.rs
@@ -62,12 +62,11 @@ impl Package {
             build_cmd,
         }
     }
-    pub fn build(&self) -> std::io::Result<()> {
+    pub fn build(&self, out: &mut Vec<u8>) -> std::io::Result<()> {
         if self.binaries.contains(&"hblang".to_string()) {
             let file = self.build_cmd.split_ascii_whitespace().last().unwrap();
 
             let path = format!("sysdata/programs/{}/{}", self.name, file);
-            let mut bytes = Vec::new();
             // compile here
 
             hblang::run_compiler(
@@ -76,15 +75,7 @@ impl Package {
                     fmt: true,
                     ..Default::default()
                 },
-                &mut bytes,
-            )?;
-
-            hblang::run_compiler(
-                &path,
-                Options {
-                    ..Default::default()
-                },
-                &mut bytes,
+                out,
             )?;
 
             match std::fs::create_dir("target/programs") {
@@ -92,17 +83,27 @@ impl Package {
                 Err(e) if e.kind() == std::io::ErrorKind::AlreadyExists => (),
                 Err(e) => panic!("{}", e),
             }
-            std::fs::write(format!("target/programs/{}.hbf", self.name), &bytes).unwrap();
-            bytes.clear();
+
+            hblang::run_compiler(
+                &path,
+                Options {
+                    ..Default::default()
+                },
+                out,
+            )?;
+            std::fs::write(format!("target/programs/{}.hbf", self.name), &out)?;
+            out.clear();
+
             hblang::run_compiler(
                 &path,
                 Options {
                     dump_asm: true,
                     ..Default::default()
                 },
-                &mut bytes,
+                out,
             )?;
-            std::fs::write(format!("target/programs/{}.hba", self.name), &bytes).unwrap();
+            std::fs::write(format!("target/programs/{}.hba", self.name), &out)?;
+            out.clear();
         }
         Ok(())
     }
diff --git a/repbuild/src/main.rs b/repbuild/src/main.rs
index 19f2d3810..898d1f744 100644
--- a/repbuild/src/main.rs
+++ b/repbuild/src/main.rs
@@ -1,6 +1,7 @@
 mod dev;
 
 use {
+    core::fmt::Write as _,
     derive_more::Display,
     dev::Package,
     error_stack::{bail, report, Context, Report, Result, ResultExt},
@@ -204,6 +205,9 @@ TERM_BACKDROP={}
         let modules = value.get_mut("modules").unwrap().as_table_mut().unwrap();
         // let mut real_modules = modules.clone();
 
+        let mut errors = String::new();
+        let mut out = Vec::new();
+
         modules
             .into_iter()
             .map(|(_, value)| -> Result<(), io::Error> {
@@ -218,11 +222,26 @@ TERM_BACKDROP={}
                     let p = Package::load_from_file(
                         format!("sysdata/programs/{}/meta.toml", path).to_owned(),
                     );
-                    p.build()?;
+                    match p.build(&mut out) {
+                        Ok(()) => {}
+                        Err(_) => {
+                            writeln!(errors, "========= while compiling {} =========", path)
+                                .unwrap();
+                            errors.push_str(core::str::from_utf8(&out).expect("no"));
+                            out.clear();
+                        }
+                    }
                 }
                 Ok(())
             })
             .for_each(drop);
+
+        if !errors.is_empty() {
+            writeln!(errors, "!!! STOPPING DUE TO PREVIOUS ERRORS !!!");
+            std::eprint!("{errors}");
+            continue;
+        }
+
         modules.into_iter().for_each(|(_key, value)| {
             if value.is_table() {
                 let path = value.get("path").expect("You must have `path` as a value");
diff --git a/sysdata/programs/render_example/src/examples/text.hb b/sysdata/programs/render_example/src/examples/text.hb
index 71b4d50d5..2f2c29936 100644
--- a/sysdata/programs/render_example/src/examples/text.hb
+++ b/sysdata/programs/render_example/src/examples/text.hb
@@ -148,4 +148,4 @@ draw_screen := fn(screen: render.Surface, window: render.Surface): void {
 	render.clear(screen, render.light_blue)
 	render.put_surface(screen, window, .(100, 100), false)
 	render.sync(screen)
-}
\ No newline at end of file
+}