diff --git a/data/objects.txt b/data/objects.txt
deleted file mode 100644
index 7e420513..00000000
--- a/data/objects.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-build/obj/1.o
-build/obj/sdk/msl/runtime/__mem.o
-build/obj/2.o
-build/obj/sdk/msl/runtime/runtime.o
-build/obj/sdk/trk/__exception.o
-build/obj/4.o
-build/obj/sdk/rvl/base/PPCArch.o
-build/obj/5.o
-build/obj/sdk/rvl/os/OS.o
-build/obj/6.o
-build/obj/sdk/rvl/os/OSCache.o
-build/obj/sdk/rvl/os/OSContext.o
-build/obj/8.o
-build/obj/sdk/rvl/os/__start.o
-build/obj/sdk/rvl/os/__ppc_eabi_init.o
-build/obj/10.o
-build/obj/donut/Main.o
-build/obj/11.o
-build/obj/donut/app/AppImpl.o
-build/obj/12.o
-build/obj/donut/app/EntryPoint.o
-build/obj/13.o
-build/obj/donut/app/EntryPoint2.o
-build/obj/14.o
-build/obj/donut/app/System.o
-build/obj/15.o
-build/obj/donut/g3d/Root.o
-build/obj/16.o
-build/obj/donut/gfx/GXFifoMemoryManager.o
-build/obj/17.o
-build/obj/donut/gfx/RenderSetting.o
-build/obj/18.o
-build/obj/donut/gfx/XFBManager.o
-build/obj/19.o
-build/obj/donut/mem/Memory.o
-build/obj/20.o
-build/obj/21.o
diff --git a/data/ranges.csv b/data/ranges.csv
index a1a29574..be933d19 100644
--- a/data/ranges.csv
+++ b/data/ranges.csv
@@ -1,5 +1,5 @@
 .init start,.init end,extab start,extab end,extabindex start,extabindex end,.text start,.text end,.ctors start,.ctors end,.dtors start,.dtors end,.rodata start,.rodata end,.data start,.data end,.bss start,.bss end,.sdata start,.sdata end,.sbss start,.sbss end,.sdata2 start,.sdata2 end,.sbss2 start,.sbss2 end,File
-,,,,,,,,80406540,80406544,,,,,,,,,,,,,,,,,Linker generated symbol file
+,,,,,,,,80406540,80406544,,,,,,,,,,,,,,,,,
 80004000,80004380,,,,,80006a8c,80006aa8,,,,,,,,,,,,,,,,,,,sdk/msl/runtime/__mem.o
 ,,,,,,80007214,800079fc,,,,,80406580,80406598,,,,,,,,,,,,,sdk/msl/runtime/runtime.o
 80004380,800062c0,,,,,,,,,,,,,,,,,,,,,,,,,sdk/trk/__exception.o
@@ -14,10 +14,10 @@
 ,,,,,,801776bc,80177810,,,,,,,80452cf7,80452d18,,,,,8055d13c,8055d141,,,,,donut/app/EntryPoint.o
 ,,,,,,801778d8,8017793c,,,,,,,,,,,,,,,,,,,donut/app/EntryPoint2.o
 ,,,,,,8017bbdc,8017bd88,,,,,,,,,,,,,,,,,,,donut/app/System.o
-,,,,,,,,,,,,,,,,,,,,8055d1b0,8055d1b4,,,,,donut/gfx/Root.cpp
+,,,,,,,,,,,,,,,,,,,,8055d1b0,8055d1b4,,,,,donut/g3d/Root.o
 ,,,,,,8019607c,801961fc,,,,,,,,,,,,,8055d1b4,8055d1b9,,,,,donut/gfx/GXFifoMemoryManager.o
 ,,,,,,801962a8,80196404,,,,,,,,,,,,,,,8055f720,8055f730,,,donut/gfx/RenderSetting.o
 ,,,,,,80197d50,80197ef4,,,,,,,,,,,,,,,,,,,donut/gfx/XFBManager.o
 ,,,,,,801bf250,801bf2bc,,,,,,,,,80545bf8,80545ed0,,,8055d2a0,8055d2a1,,,,,donut/mem/Memory.o
-80006684,80006728,,,,,,,8040652c,80406530,80406548,8040654c,,,,,,,,,,,,,,,Linker generated symbol file
-80006728,80006728,800068cc,800068cc,800069e4,800069e4,80406244,80406244,80406530,80406530,8040654c,8040654c,80421030,80421030,804966fc,804966fc,8055640c,8055640c,8055c6d0,8055c6d0,8055df74,8055df74,805643b0,805643b0,805643fc,805643fc,End of File
\ No newline at end of file
+80006684,80006728,,,,,,,8040652c,80406530,80406548,8040654c,,,,,,,,,,,,,,,
+80006728,80006728,800068cc,800068cc,800069e4,800069e4,80406244,80406244,80406530,80406530,8040654c,8040654c,80421030,80421030,804966fc,804966fc,8055640c,8055640c,8055c6d0,8055c6d0,8055df74,8055df74,805643b0,805643b0,805643fc,805643fc,
\ No newline at end of file
diff --git a/include/hel/common/ExplicitSingleton.hpp b/include/hel/common/ExplicitSingleton.hpp
index 173f111f..6b7e8a48 100644
--- a/include/hel/common/ExplicitSingleton.hpp
+++ b/include/hel/common/ExplicitSingleton.hpp
@@ -9,4 +9,4 @@ template <class T> struct ExplicitSingleton : NonCopyable {
   ~ExplicitSingleton();
 };
 } // namespace common
-} // namespace hel
\ No newline at end of file
+} // namespace hel
diff --git a/rules.ninja b/rules.ninja
index 5738bb9f..1bcd70ec 100644
--- a/rules.ninja
+++ b/rules.ninja
@@ -1,27 +1,41 @@
 rule extract-object
     command = cargo run --quiet --release --bin extract-dol -- $in $out $start $end
+    depfile = target/release/extract-dol.d
+    deps = gcc
 
 rule directory
     command = mkdir $out
 
 rule genlcf
     command = cargo run --quiet --release --bin genlcf -- $out
+    depfile = target/release/genlcf.d
+    deps = gcc
 
 rule ccld
     command = ./run-exe.sh bin/mwcc/mwldeppc.exe $in -o $out -lcf $lcf -fp hard -linkmode moreram -map $map -mapunused -code_merging all
 
 rule cc
-    command = ./run-exe.sh bin/mwcc/mwcceppc.exe $cflags -c $in -o $out -gccdep -MD
+    command = (./run-exe.sh bin/mwcc/mwcceppc.exe $cflags -c $in -o $out -gccdep -MDfile $out.d && sed -i 's|Z:||g; s|\\|/|g; s| /| \\|g' $out.d)
     depfile = $out.d
     deps = gcc
 
 rule as
-    command = ./run-exe.sh bin/mwcc/mwasmeppc.exe $asflags -c $in -o $out -gccdep -MD
+    command = (./run-exe.sh bin/mwcc/mwasmeppc.exe $asflags -c $in -o $out -gccdep -MDfile $out.d && sed -i 's|Z:||g; s|\\|/|g; s| /| \\|g' $out.d)
     depfile = $out.d
     deps = gcc
 
 rule elf2dol
     command = cargo run --quiet --release --bin elf2dol -- $in $out
+    depfile = target/release/elf2dol.d
+    deps = gcc
 
 rule mergeobj
     command = ld.lld -relocatable $in -o $out
+
+rule create_ninja
+    command = cargo run --quiet
+    generator = true
+    depfile = target/debug/buildgen.d
+    deps = gcc
+    
+build build.ninja build/objects.txt: create_ninja | data/ranges.csv
diff --git a/src/bin/buildgen.rs b/src/bin/buildgen.rs
index 1772ad29..4062a71a 100644
--- a/src/bin/buildgen.rs
+++ b/src/bin/buildgen.rs
@@ -1,6 +1,6 @@
 use std::{
     fs::File,
-    io::{BufRead, BufReader},
+    io::{BufReader, BufWriter, Write},
     num::ParseIntError,
 };
 
@@ -79,6 +79,7 @@ fn main() -> Result<()> {
     }
 
     let mut rdr = csv::Reader::from_reader(BufReader::new(File::open("data/ranges.csv")?));
+    let mut objects = Vec::new();
 
     for (i, result) in rdr.records().enumerate() {
         let result = result?;
@@ -105,6 +106,10 @@ fn main() -> Result<()> {
         }
         if !to_merge.is_empty() {
             ninja.emit_merge(format!("build/obj/{}.o", i), &to_merge)?;
+            objects.push(format!("build/obj/{}.o", i));
+        }
+        if !result[26].is_empty() {
+            objects.push(format!("build/obj/{}", &result[26]));
         }
     }
 
@@ -117,14 +122,14 @@ fn main() -> Result<()> {
     }
 
     ninja.emit_genlcf("build/donut.lcf")?;
-    ninja.emit_ccld(
-        "build/donut.elf",
-        "build/donut.lcf",
-        &BufReader::new(File::open("data/objects.txt")?)
-            .lines()
-            .collect::<Result<Vec<_>, std::io::Error>>()?,
-    )?;
+    ninja.emit_ccld("build/donut.elf", "build/donut.lcf", &objects)?;
     ninja.emit_elf2dol("build/donut.dol", "build/donut.elf")?;
 
+    let mut writer = BufWriter::new(File::create("build/objects.txt")?);
+    for object in objects {
+        writer.write_all(object.as_bytes())?;
+        writer.write_all(b"\n")?;
+    }
+
     Ok(())
 }
diff --git a/src/bin/genlcf.rs b/src/bin/genlcf.rs
index bfa8c54a..f7408681 100644
--- a/src/bin/genlcf.rs
+++ b/src/bin/genlcf.rs
@@ -75,7 +75,7 @@ MEMORY {
     }
     out.write_all(b"}\n")?;
 
-    let reader = BufReader::new(File::open("data/objects.txt")?);
+    let reader = BufReader::new(File::open("build/objects.txt")?);
     out.write_all(b"FORCEFILES { \n")?;
     for line in reader.lines() {
         let line = line?;
diff --git a/src/ninja/mod.rs b/src/ninja/mod.rs
index 2901a58a..f5e726dd 100644
--- a/src/ninja/mod.rs
+++ b/src/ninja/mod.rs
@@ -226,7 +226,7 @@ impl NinjaFile {
         }
         self.writer.write_all(
             format!(
-                "| {} data/objects.txt || {}\n    lcf={}\n    map=build/donut.map\n",
+                "| {} build/objects.txt || {}\n    lcf={}\n    map=build/donut.map\n",
                 lcffile.display(),
                 parent.display(),
                 lcffile.display()