diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000..ab144e57
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,36 @@
+name: Build
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    container: ghcr.io/zeldaret/ph-build:main
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version: [eur, usa]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Prepare
+        run: |
+          mv /extract/* ./extract
+
+      - name: Build
+        run: |
+          python tools/configure.py ${{ matrix.version }} -w wibo --compiler /mwccarm --no-extract
+          ninja arm9 report check
+
+      - name: Upload report
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ matrix.version }}_report
+          path: build/${{ matrix.version }}/report.json
diff --git a/.gitignore b/.gitignore
index b510ca5d..6ee4c378 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@ ph_*/
 *.sav
 *.xMAP
 objdiff.json
+/objdiff-cli
+/objdiff-cli.exe
 /dsd
 /dsd.exe
 /dsd.pdb
diff --git a/INSTALL.md b/INSTALL.md
index 91c4a96c..525f22f6 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -24,23 +24,19 @@ python -m pip install -r tools/requirements.txt
 ```shell
 pre-commit install
 ```
-5. Run the setup script:
-```shell
-python tools/setup.py
-```
-6. Run the Ninja configure script:
+5. Run the Ninja configure script:
 ```shell
 python tools/configure.py <eur|usa>
 ```
+6. Put one or more base ROMs in the [`/extract/`](/extract/README.md) directory of this repository.
+
+Now you can run `ninja` to build a ROM for the chosen version.
 
 > [!IMPORTANT]
 > Rerun `configure.py` often to ensure that all C/C++ code gets compiled.
 
 > [!NOTE]
 > For Linux users: Wibo is used by default. If you want to use Wine instead, run `configure.py` with `-w <path/to/wine>`.
-7. Put one or more base ROMs in the [`/extract/`](/extract/README.md) directory of this repository.
-
-Now you can run `ninja` to build a ROM for the chosen version.
 
 ### Matching the base ROM
 
diff --git a/config/eur/arm9/overlays/ov000/relocs.txt b/config/eur/arm9/overlays/ov000/relocs.txt
index 6ec33322..5513c2e0 100644
--- a/config/eur/arm9/overlays/ov000/relocs.txt
+++ b/config/eur/arm9/overlays/ov000/relocs.txt
@@ -6526,7 +6526,7 @@ from:0x020b8628 kind:load to:0x020dc7f8 module:overlay(0)
 from:0x020b8644 kind:arm_call to:0x0202e9dc module:main
 from:0x020b8650 kind:arm_call_thumb to:0x02107810 module:overlay(4)
 from:0x020b8664 kind:load to:0x027e0fe0 module:dtcm
-from:0x020b8668 kind:load to:0x020e667c module:overlay(0)
+from:0x020b8668 kind:load to:0x020e6674 add:8 module:overlay(0)
 from:0x020b867c kind:arm_call_thumb to:0x02107994 module:overlay(4)
 from:0x020b8684 kind:arm_call to:0x0202ea0c module:main
 from:0x020b8698 kind:arm_call_thumb to:0x02107994 module:overlay(4)
@@ -7436,7 +7436,7 @@ from:0x020c0b5c kind:load to:0x02050f54 module:main
 from:0x020c0b7c kind:arm_call to:0x0202e9dc module:main
 from:0x020c0b88 kind:arm_call_thumb to:0x02107810 module:overlay(4)
 from:0x020c0b9c kind:load to:0x027e0fe0 module:dtcm
-from:0x020c0ba0 kind:load to:0x020e70a0 module:overlay(0)
+from:0x020c0ba0 kind:load to:0x020e7098 add:8 module:overlay(0)
 from:0x020c0bb4 kind:arm_call_thumb to:0x02107994 module:overlay(4)
 from:0x020c0bbc kind:arm_call to:0x0202ea0c module:main
 from:0x020c0bd0 kind:arm_call_thumb to:0x02107994 module:overlay(4)
diff --git a/config/eur/arm9/overlays/ov000/symbols.txt b/config/eur/arm9/overlays/ov000/symbols.txt
index d2968311..07ca6e05 100644
--- a/config/eur/arm9/overlays/ov000/symbols.txt
+++ b/config/eur/arm9/overlays/ov000/symbols.txt
@@ -3955,11 +3955,11 @@ __sinit_ov000_020e11d8 kind:function(arm,size=0x34) addr:0x20e11d8
 __sinit_ov000_020e120c kind:function(arm,size=0x44) addr:0x20e120c
 __sinit_ov000_020e1250 kind:function(arm,size=0x40) addr:0x20e1250
 __sinit_ov000_020e1290 kind:function(arm,size=0x48) addr:0x20e1290
-__sinit_ActorNavi.cpp kind:function(arm,size=0x64) addr:0x20e12d8
-__sinit_ActorForceNavi.cpp kind:function(arm,size=0x40) addr:0x20e133c
+__sinit_ActorNavi.cpp kind:function(arm,size=0x64) addr:0x20e12d8 local
+__sinit_ActorForceNavi.cpp kind:function(arm,size=0x40) addr:0x20e133c local
 __sinit_ov000_020e137c kind:function(arm,size=0x798) addr:0x20e137c
-__sinit_ActorActionObject.cpp kind:function(arm,size=0x40) addr:0x20e1b14
-__sinit_ActorWisdomNavi.cpp kind:function(arm,size=0x40) addr:0x20e1b54
+__sinit_ActorActionObject.cpp kind:function(arm,size=0x40) addr:0x20e1b14 local
+__sinit_ActorWisdomNavi.cpp kind:function(arm,size=0x40) addr:0x20e1b54 local
 __sinit_ov000_020e1b94 kind:function(arm,size=0x40) addr:0x20e1b94
 __sinit_ov000_020e1bd4 kind:function(arm,size=0x40) addr:0x20e1bd4
 __sinit_ov000_020e1c14 kind:function(arm,size=0x40) addr:0x20e1c14
@@ -4768,7 +4768,7 @@ data_ov000_020e59fc kind:data(any) addr:0x20e59fc
 data_ov000_020e5a0c kind:data(any) addr:0x20e5a0c
 data_ov000_020e5a20 kind:data(any) addr:0x20e5a20
 data_ov000_020e5a34 kind:data(any) addr:0x20e5a34
-_ZTV13LinkStateItem kind:data(any) addr:0x20e5a48
+_ZTV13LinkStateItem kind:data(any) addr:0x20e5a40
 data_ov000_020e5a8c kind:data(any) addr:0x20e5a8c
 data_ov000_020e5a90 kind:data(any) addr:0x20e5a90
 data_ov000_020e5a94 kind:data(any) addr:0x20e5a94
@@ -4958,7 +4958,7 @@ data_ov000_020e6530 kind:data(any) addr:0x20e6530
 data_ov000_020e6534 kind:data(any) addr:0x20e6534
 _ZTV9ActorNavi kind:data(any) addr:0x20e6560
 _ZTV24UnkStruct_ov000_020b8110 kind:data(any) addr:0x20e6658
-_ZTV14ActorForceNavi kind:data(any) addr:0x20e667c
+_ZTV14ActorForceNavi kind:data(any) addr:0x20e6674
 data_ov000_020e676c kind:data(any) addr:0x20e676c
 data_ov000_020e6770 kind:data(any) addr:0x20e6770
 data_ov000_020e6774 kind:data(any) addr:0x20e6774
@@ -5057,7 +5057,7 @@ data_ov000_020e7014 kind:data(any) addr:0x20e7014
 data_ov000_020e7018 kind:data(any) addr:0x20e7018
 data_ov000_020e701c kind:data(any) addr:0x20e701c
 data_ov000_020e7048 kind:data(any) addr:0x20e7048
-_ZTV15ActorWisdomNavi kind:data(any) addr:0x20e70a0
+_ZTV15ActorWisdomNavi kind:data(any) addr:0x20e7098
 data_ov000_020e7198 kind:data(any) addr:0x20e7198
 data_ov000_020e71a0 kind:data(any) addr:0x20e71a0
 data_ov000_020e71a4 kind:data(any) addr:0x20e71a4
@@ -5070,14 +5070,14 @@ data_ov000_020e71bc kind:data(any) addr:0x20e71bc
 sShipTypes kind:data(any) addr:0x20e71c0
 _ZTV17KillPickupsFilter kind:data(any) addr:0x20e71e8
 _ZTV5Actor kind:data(any) addr:0x20e71f4
-data_ov000_020e72a8 kind:data(any) addr:0x20e72a8
-data_ov000_020e72ac kind:data(any) addr:0x20e72ac
-data_ov000_020e72b0 kind:data(any) addr:0x20e72b0
-data_ov000_020e72b4 kind:data(any) addr:0x20e72b4
-data_ov000_020e72b8 kind:data(any) addr:0x20e72b8
-data_ov000_020e72bc kind:data(any) addr:0x20e72bc
-data_ov000_020e72c0 kind:data(any) addr:0x20e72c0
-data_ov000_020e72c4 kind:data(any) addr:0x20e72c4
+@965 kind:data(any) addr:0x20e72a8 local
+@964 kind:data(any) addr:0x20e72ac local
+@963 kind:data(any) addr:0x20e72b0 local
+@962 kind:data(any) addr:0x20e72b4 local
+@961 kind:data(any) addr:0x20e72b8 local
+@960 kind:data(any) addr:0x20e72bc local
+@959 kind:data(any) addr:0x20e72c0 local
+@958 kind:data(any) addr:0x20e72c4 local
 _ZTV11FilterActor kind:data(any) addr:0x20e72e8
 data_ov000_020e72fc kind:data(any) addr:0x20e72fc
 data_ov000_020e7300 kind:data(any) addr:0x20e7300
@@ -5879,7 +5879,7 @@ data_ov000_020ee198 kind:bss addr:0x20ee198
 _ZN9ActorNavi5gTypeE kind:bss addr:0x20ee1ac
 @419 kind:bss addr:0x20ee1c0 local
 data_ov000_020ee1cc kind:bss addr:0x20ee1cc
-@405 kind:bss addr:0x20ee1d8 local
+@403 kind:bss addr:0x20ee1d8 local
 _ZN14ActorForceNavi5gTypeE kind:bss addr:0x20ee1e4
 data_ov000_020ee1f8 kind:bss addr:0x20ee1f8
 data_ov000_020ee1fc kind:bss addr:0x20ee1fc
@@ -5943,7 +5943,7 @@ data_ov000_020ee548 kind:bss addr:0x20ee548
 _ZN17ActorActionObject5gTypeE kind:bss addr:0x20ee568
 gPlayerAnimHandler kind:bss addr:0x20ee57c
 data_ov000_020ee588 kind:bss addr:0x20ee588
-@405 kind:bss addr:0x20ee590 local
+@403 kind:bss addr:0x20ee590 local
 _ZN15ActorWisdomNavi5gTypeE kind:bss addr:0x20ee59c
 data_ov000_020ee5b0 kind:bss addr:0x20ee5b0
 data_ov000_020ee5bc kind:bss addr:0x20ee5bc
diff --git a/config/eur/arm9/overlays/ov004/relocs.txt b/config/eur/arm9/overlays/ov004/relocs.txt
index ce85e811..d277363f 100644
--- a/config/eur/arm9/overlays/ov004/relocs.txt
+++ b/config/eur/arm9/overlays/ov004/relocs.txt
@@ -1960,7 +1960,7 @@ from:0x02109a4c kind:thumb_call_arm to:0x020d0530 module:overlay(0)
 from:0x02109a52 kind:thumb_call to:0x021099b0 module:overlay(4)
 from:0x02109a5e kind:thumb_call to:0x0210add4 module:overlay(4)
 from:0x02109aba kind:thumb_call_arm to:0x0204f614 module:main
-from:0x02109ad8 kind:load to:0x020e5a48 add:8 module:overlay(0)
+from:0x02109ad8 kind:load to:0x020e5a40 add:8 module:overlay(0)
 from:0x02109adc kind:load to:0x021079d5 module:overlay(4)
 from:0x02109ae0 kind:load to:0x02057200 module:main
 from:0x02109ae4 kind:load to:0x020b7d74 module:overlay(0)
diff --git a/config/usa/arm9/overlays/ov000/relocs.txt b/config/usa/arm9/overlays/ov000/relocs.txt
index eb606487..5ae92103 100644
--- a/config/usa/arm9/overlays/ov000/relocs.txt
+++ b/config/usa/arm9/overlays/ov000/relocs.txt
@@ -6526,7 +6526,7 @@ from:0x020b85c8 kind:load to:0x020dc798 module:overlay(0)
 from:0x020b85e4 kind:arm_call to:0x0202e9d8 module:main
 from:0x020b85f0 kind:arm_call_thumb to:0x02107790 module:overlay(4)
 from:0x020b8604 kind:load to:0x027e0fe0 module:dtcm
-from:0x020b8608 kind:load to:0x020e661c module:overlay(0)
+from:0x020b8608 kind:load to:0x020e6614 add:8 module:overlay(0)
 from:0x020b861c kind:arm_call_thumb to:0x02107914 module:overlay(4)
 from:0x020b8624 kind:arm_call to:0x0202ea08 module:main
 from:0x020b8638 kind:arm_call_thumb to:0x02107914 module:overlay(4)
@@ -7436,7 +7436,7 @@ from:0x020c0afc kind:load to:0x02050f10 module:main
 from:0x020c0b1c kind:arm_call to:0x0202e9d8 module:main
 from:0x020c0b28 kind:arm_call_thumb to:0x02107790 module:overlay(4)
 from:0x020c0b3c kind:load to:0x027e0fe0 module:dtcm
-from:0x020c0b40 kind:load to:0x020e7040 module:overlay(0)
+from:0x020c0b40 kind:load to:0x020e7038 add:8 module:overlay(0)
 from:0x020c0b54 kind:arm_call_thumb to:0x02107914 module:overlay(4)
 from:0x020c0b5c kind:arm_call to:0x0202ea08 module:main
 from:0x020c0b70 kind:arm_call_thumb to:0x02107914 module:overlay(4)
diff --git a/config/usa/arm9/overlays/ov000/symbols.txt b/config/usa/arm9/overlays/ov000/symbols.txt
index 82bfe5cf..84b9f721 100644
--- a/config/usa/arm9/overlays/ov000/symbols.txt
+++ b/config/usa/arm9/overlays/ov000/symbols.txt
@@ -3955,11 +3955,11 @@ __sinit_ov000_020e11d8 kind:function(arm,size=0x34) addr:0x20e1178
 __sinit_ov000_020e120c kind:function(arm,size=0x44) addr:0x20e11ac
 __sinit_ov000_020e1250 kind:function(arm,size=0x40) addr:0x20e11f0
 __sinit_ov000_020e1290 kind:function(arm,size=0x48) addr:0x20e1230
-__sinit_ActorNavi.cpp kind:function(arm,size=0x64) addr:0x20e1278
-__sinit_ActorForceNavi.cpp kind:function(arm,size=0x40) addr:0x20e12dc
+__sinit_ActorNavi.cpp kind:function(arm,size=0x64) addr:0x20e1278 local
+__sinit_ActorForceNavi.cpp kind:function(arm,size=0x40) addr:0x20e12dc local
 __sinit_ov000_020e137c kind:function(arm,size=0x798) addr:0x20e131c
-__sinit_ActorActionObject.cpp kind:function(arm,size=0x40) addr:0x20e1ab4
-__sinit_ActorWisdomNavi.cpp kind:function(arm,size=0x40) addr:0x20e1af4
+__sinit_ActorActionObject.cpp kind:function(arm,size=0x40) addr:0x20e1ab4 local
+__sinit_ActorWisdomNavi.cpp kind:function(arm,size=0x40) addr:0x20e1af4 local
 __sinit_ov000_020e1b94 kind:function(arm,size=0x40) addr:0x20e1b34
 __sinit_ov000_020e1bd4 kind:function(arm,size=0x40) addr:0x20e1b74
 __sinit_ov000_020e1c14 kind:function(arm,size=0x40) addr:0x20e1bb4
@@ -4768,7 +4768,7 @@ data_ov000_020e59fc kind:data(any) addr:0x20e599c
 data_ov000_020e5a0c kind:data(any) addr:0x20e59ac
 data_ov000_020e5a20 kind:data(any) addr:0x20e59c0
 data_ov000_020e5a34 kind:data(any) addr:0x20e59d4
-_ZTV13LinkStateItem kind:data(any) addr:0x20e59e8
+_ZTV13LinkStateItem kind:data(any) addr:0x20e59e0
 data_ov000_020e5a8c kind:data(any) addr:0x20e5a2c
 data_ov000_020e5a90 kind:data(any) addr:0x20e5a30
 data_ov000_020e5a94 kind:data(any) addr:0x20e5a34
@@ -4958,7 +4958,7 @@ data_ov000_020e6530 kind:data(any) addr:0x20e64d0
 data_ov000_020e6534 kind:data(any) addr:0x20e64d4
 _ZTV9ActorNavi kind:data(any) addr:0x20e6500
 _ZTV24UnkStruct_ov000_020b8110 kind:data(any) addr:0x20e65f8
-_ZTV14ActorForceNavi kind:data(any) addr:0x20e661c
+_ZTV14ActorForceNavi kind:data(any) addr:0x20e6614
 data_ov000_020e676c kind:data(any) addr:0x20e670c
 data_ov000_020e6770 kind:data(any) addr:0x20e6710
 data_ov000_020e6774 kind:data(any) addr:0x20e6714
@@ -5057,7 +5057,7 @@ data_ov000_020e7014 kind:data(any) addr:0x20e6fb4
 data_ov000_020e7018 kind:data(any) addr:0x20e6fb8
 data_ov000_020e701c kind:data(any) addr:0x20e6fbc
 data_ov000_020e7048 kind:data(any) addr:0x20e6fe8
-_ZTV15ActorWisdomNavi kind:data(any) addr:0x20e7040
+_ZTV15ActorWisdomNavi kind:data(any) addr:0x20e7038
 data_ov000_020e7198 kind:data(any) addr:0x20e7138
 data_ov000_020e71a0 kind:data(any) addr:0x20e7140
 data_ov000_020e71a4 kind:data(any) addr:0x20e7144
@@ -5070,14 +5070,14 @@ data_ov000_020e71bc kind:data(any) addr:0x20e715c
 sShipTypes kind:data(any) addr:0x20e7160
 _ZTV17KillPickupsFilter kind:data(any) addr:0x20e7188
 _ZTV5Actor kind:data(any) addr:0x20e7194
-data_ov000_020e72a8 kind:data(any) addr:0x20e7248
-data_ov000_020e72ac kind:data(any) addr:0x20e724c
-data_ov000_020e72b0 kind:data(any) addr:0x20e7250
-data_ov000_020e72b4 kind:data(any) addr:0x20e7254
-data_ov000_020e72b8 kind:data(any) addr:0x20e7258
-data_ov000_020e72bc kind:data(any) addr:0x20e725c
-data_ov000_020e72c0 kind:data(any) addr:0x20e7260
-data_ov000_020e72c4 kind:data(any) addr:0x20e7264
+@965 kind:data(any) addr:0x20e7248 local
+@964 kind:data(any) addr:0x20e724c local
+@963 kind:data(any) addr:0x20e7250 local
+@962 kind:data(any) addr:0x20e7254 local
+@961 kind:data(any) addr:0x20e7258 local
+@960 kind:data(any) addr:0x20e725c local
+@959 kind:data(any) addr:0x20e7260 local
+@958 kind:data(any) addr:0x20e7264 local
 _ZTV11FilterActor kind:data(any) addr:0x20e7288
 data_ov000_020e72fc kind:data(any) addr:0x20e729c
 data_ov000_020e7300 kind:data(any) addr:0x20e72a0
@@ -5879,7 +5879,7 @@ data_ov000_020ee198 kind:bss addr:0x20ee138
 _ZN9ActorNavi5gTypeE kind:bss addr:0x20ee14c
 @419 kind:bss addr:0x20ee160 local
 data_ov000_020ee1cc kind:bss addr:0x20ee16c
-@405 kind:bss addr:0x20ee178 local
+@403 kind:bss addr:0x20ee178 local
 _ZN14ActorForceNavi5gTypeE kind:bss addr:0x20ee184
 data_ov000_020ee1f8 kind:bss addr:0x20ee198
 data_ov000_020ee1fc kind:bss addr:0x20ee19c
@@ -5943,7 +5943,7 @@ data_ov000_020ee548 kind:bss addr:0x20ee4e8
 _ZN17ActorActionObject5gTypeE kind:bss addr:0x20ee508
 gPlayerAnimHandler kind:bss addr:0x20ee51c
 data_ov000_020ee588 kind:bss addr:0x20ee528
-@405 kind:bss addr:0x20ee530 local
+@403 kind:bss addr:0x20ee530 local
 _ZN15ActorWisdomNavi5gTypeE kind:bss addr:0x20ee53c
 data_ov000_020ee5b0 kind:bss addr:0x20ee550
 data_ov000_020ee5bc kind:bss addr:0x20ee55c
diff --git a/config/usa/arm9/overlays/ov004/relocs.txt b/config/usa/arm9/overlays/ov004/relocs.txt
index 76d78e03..13a0063b 100644
--- a/config/usa/arm9/overlays/ov004/relocs.txt
+++ b/config/usa/arm9/overlays/ov004/relocs.txt
@@ -1960,7 +1960,7 @@ from:0x021099cc kind:thumb_call_arm to:0x020d04d0 module:overlay(0)
 from:0x021099d2 kind:thumb_call to:0x02109930 module:overlay(4)
 from:0x021099de kind:thumb_call to:0x0210ad54 module:overlay(4)
 from:0x02109a3a kind:thumb_call_arm to:0x0204f5d0 module:main
-from:0x02109a58 kind:load to:0x020e59e8 add:8 module:overlay(0)
+from:0x02109a58 kind:load to:0x020e59e0 add:8 module:overlay(0)
 from:0x02109a5c kind:load to:0x02107955 module:overlay(4)
 from:0x02109a60 kind:load to:0x020571b8 module:main
 from:0x02109a64 kind:load to:0x020b7d14 module:overlay(0)
diff --git a/tools/configure.py b/tools/configure.py
index 45d9824a..3ae6286c 100755
--- a/tools/configure.py
+++ b/tools/configure.py
@@ -2,21 +2,30 @@
 
 import os
 from pathlib import Path
-import platform
 import argparse
 import sys
 
 import ninja_syntax
+from get_platform import get_platform
+
+
+DEFAULT_WIBO_PATH = "./wibo"
 
 
 parser = argparse.ArgumentParser(description="Generates build.ninja")
-parser.add_argument('-w', type=str, default="./wibo", dest="wine", required=False, help="Path to Wine/Wibo (linux only)")
+parser.add_argument('-w', type=str, default=DEFAULT_WIBO_PATH, dest="wine", required=False, help="Path to Wine/Wibo (linux only)")
+parser.add_argument("--compiler", type=Path, required=False, help="Path to pre-installed compiler root directory")
+parser.add_argument("--no-extract", action="store_true", help="Skip extract step")
+parser.add_argument("--dsd", type=Path, required=False, help="Path to pre-installed dsd CLI")
 parser.add_argument('version', help='Game version')
 args = parser.parse_args()
 
 
 # Config
 GAME = "ph"
+DSD_VERSION = 'v0.6.0'
+WIBO_VERSION = '0.6.16'
+OBJDIFF_VERSION = 'v2.7.1'
 MWCC_VERSION = "2.0/sp1p5"
 DECOMP_ME_COMPILER = "mwcc_30_131"
 CC_FLAGS = " ".join([
@@ -65,7 +74,8 @@ src_path         = root_path / "src"
 libs_path        = root_path / "libs"
 extract_path     = root_path / "extract"
 tools_path       = root_path / "tools"
-mwcc_path        = tools_path / "mwccarm" / MWCC_VERSION
+mwcc_root        = args.compiler or tools_path / "mwccarm"
+mwcc_path        = mwcc_root / MWCC_VERSION
 
 
 # Includes
@@ -80,38 +90,96 @@ CC_INCLUDES = " ".join(f"-i {include}" for include in includes)
 
 
 # Platform info
-EXE = ""
-WINE = ""
-system = platform.system()
-if system == "Windows":
-    system = "windows"
-    EXE = ".exe"
-elif system == "Linux":
-    system = "linux"
-    WINE = args.wine
-else:
-    print(f"Unknown system '{system}'")
+platform = get_platform()
+if platform is None:
     exit(1)
-match platform.machine().lower():
-    case "amd64" | "x86_64": machine = "x86_64"
-    case machine:
-        print(f"Unknown machine: {machine}")
-        exit(1)
-
-
+EXE = platform.exe
+WINE = args.wine if platform.system != "windows" else ""
+DSD = str(args.dsd or os.path.join('.', str(root_path / f"dsd{EXE}")))
+OBJDIFF = os.path.join('.', str(root_path / f"objdiff-cli{EXE}"))
+CC = os.path.join('.', str(mwcc_path / "mwccarm.exe"))
+LD = os.path.join('.', str(mwcc_path / "mwldarm.exe"))
 PYTHON = sys.executable
 
 
+class Project:
+    def __init__(self, game_version: str):
+        self.game_version = game_version
+        '''Version of the game'''
+        self.game_config = config_path / game_version
+        '''Root directory for dsd configs'''
+
+        if not self.game_config.is_dir():
+            print(f"Version '{game_version}' not recognized")
+            exit(1)
+
+        self.game_build = build_path / game_version
+        '''Path to build directory'''
+        self.game_extract = extract_path / game_version
+        '''Path to extract directory'''
+
+        self.delinks_files = get_config_files(self.game_config, "delinks.txt")
+        '''Paths to every delinks.txt file'''
+        self.relocs_files = get_config_files(self.game_config, "relocs.txt")
+        '''Paths to every relocs.txt file'''
+        self.symbols_files = get_config_files(self.game_config, "symbols.txt")
+        '''Paths to every symbols.txt file'''
+
+    def dsd_configs(self) -> list[str]:
+        return self.delinks_files + self.relocs_files + self.symbols_files
+
+    def arm9_config_yaml(self) -> Path:
+        return self.game_config / "arm9" / "config.yaml"
+
+    def baserom(self) -> Path:
+        return extract_path / f'baserom_{GAME}_{self.game_version}.nds'
+
+    def build_rom(self) -> str:
+        return f"{GAME}_{self.game_version}.nds"
+
+    def baserom_config(self) -> Path:
+        return self.game_extract / 'config.yaml'
+
+    def build_rom_config(self) -> Path:
+        return self.game_build / "build" / "rom_config.yaml"
+
+    def source_object_files(self) -> list[str]:
+        return [
+            str(self.game_build / source_file.with_suffix(".o"))
+            for source_file in get_c_cpp_files([src_path, libs_path])
+        ]
+
+    def arm9_lcf(self) -> Path:
+        return self.game_build / "linker_script.lcf"
+
+    def arm9_objects_txt(self) -> Path:
+        return self.game_build / "objects.txt"
+
+    def arm9_delink_yaml(self) -> Path:
+        return self.game_build / "delinks" / "delink.yaml"
+
+    def arm9_o(self) -> Path:
+        return self.game_build / "arm9.o"
+
+    def arm9_delinks(self) -> Path:
+        return self.game_build / "delinks"
+
+    def objdiff_report(self) -> Path:
+        return self.game_build / "report.json"
+
+
 def main():
-    game_version: str = args.version
-    game_config = config_path / game_version
-    if not game_config.is_dir():
-        print(f"Version '{game_version}' not recognized")
-        return
+    project = Project(args.version)
 
     with build_ninja_path.open("w") as file:
         n = ninja_syntax.Writer(file)
 
+        n.rule(
+            name="download_tool",
+            command=f'{PYTHON} tools/download_tool.py $tool $tag --path $path'
+        )
+        n.newline()
+
         if arm7_bios_path.is_file():
             n.variable("arm7_bios_flag", f"--arm7-bios {arm7_bios_path.relative_to(root_path)}")
         else:
@@ -120,20 +188,20 @@ def main():
 
         n.rule(
             name="extract",
-            command="./dsd rom extract --rom $in --output-path $output_path $arm7_bios_flag"
+            command=f"{DSD} rom extract --rom $in --output-path $output_path $arm7_bios_flag"
         )
         n.newline()
 
         n.rule(
             name="delink",
-            command="./dsd delink --config-path $config_path"
+            command=f"{DSD} delink --config-path $config_path"
         )
         n.newline()
 
         # -MMD excludes all includes instead of just system includes for some reason, so use -MD instead.
-        mwcc_cmd = f'{WINE} "{mwcc_path}/mwccarm.exe" {CC_FLAGS} {CC_INCLUDES} $cc_flags -d $game_version -MD -c $in -o $basedir'
-        mwcc_implicit = []
-        if system != "windows":
+        mwcc_cmd = f'{WINE} "{CC}" {CC_FLAGS} {CC_INCLUDES} $cc_flags -d $game_version -MD -c $in -o $basedir'
+        mwcc_implicit = [CC]
+        if platform.system != "windows":
             transform_dep = "tools/transform_dep.py"
             mwcc_cmd += f" && $python {transform_dep} $basefile.d $basefile.d"
             mwcc_implicit.append(transform_dep)
@@ -146,31 +214,37 @@ def main():
 
         n.rule(
             name="lcf",
-            command="./dsd lcf -c $config_path --lcf-file $lcf_file --objects-file $objects_file"
+            command=f"{DSD} lcf -c $config_path --lcf-file $lcf_file --objects-file $objects_file"
         )
         n.newline()
 
         n.rule(
             name="mwld",
-            command=f'{WINE} "{mwcc_path}/mwldarm.exe" {LD_FLAGS} @$objects_file $lcf_file -o $out'
+            command=f'{WINE} "{LD}" {LD_FLAGS} @$objects_file $lcf_file -o $out'
         )
         n.newline()
 
         n.rule(
             name="rom_config",
-            command="./dsd rom config --elf $in --config $config_path"
+            command=f"{DSD} rom config --elf $in --config $config_path"
         )
         n.newline()
 
         n.rule(
             name="rom_build",
-            command="./dsd rom build --config $in --rom $out $arm7_bios_flag"
+            command=f"{DSD} rom build --config $in --rom $out $arm7_bios_flag"
         )
         n.newline()
 
         n.rule(
             name="objdiff",
-            command=f"./dsd objdiff --config-path $config_path {DSD_OBJDIFF_ARGS}"
+            command=f"{DSD} objdiff --config-path $config_path {DSD_OBJDIFF_ARGS}"
+        )
+        n.newline()
+
+        n.rule(
+            name="objdiff_report",
+            command=f"{OBJDIFF} report generate -o $out"
         )
         n.newline()
 
@@ -180,70 +254,137 @@ def main():
         )
         n.newline()
 
+        n.rule(
+            name="check_modules",
+            command=f"{DSD} check modules --config-path $config_path --fail"
+        )
+        n.newline()
+
+        n.rule(
+            name="check_symbols",
+            command=f"{DSD} check symbols --config-path $config_path --elf-path $elf_path --fail"
+        )
+        n.newline()
+
         n.rule(
             name="sha1",
             command=f"{PYTHON} tools/sha1.py $in -c $sha1_file"
         )
         n.newline()
 
-        game_build = build_path / game_version
-        game_extract = extract_path / game_version
-
-        add_extract_build(n, game_extract, game_version)
-        add_delink_and_lcf_builds(n, game_config, game_build, game_extract)
-        add_mwcc_builds(n, game_version, game_build, mwcc_implicit)
-        add_mwld_and_rom_builds(n, game_build, game_config, game_version)
+        add_download_tool_builds(n)
+        add_extract_build(n, project)
+        add_delink_and_lcf_builds(n, project)
+        add_mwcc_builds(n, project, mwcc_implicit)
+        add_mwld_and_rom_builds(n, project)
+        add_check_builds(n, project)
+        add_objdiff_builds(n, project)
 
 
-def add_extract_build(n: ninja_syntax.Writer, game_extract: Path, game_version: str):
-    rom_path = extract_path / f'baserom_{GAME}_{game_version}.nds'
-    rom_config = game_extract / 'config.yaml'
+def add_download_tool_builds(n: ninja_syntax.Writer):
+    if args.dsd is None:
+        n.build(
+            rule="download_tool",
+            outputs=DSD,
+            variables={
+                "tool": "dsd",
+                "tag": DSD_VERSION,
+                "path": DSD,
+            },
+        )
+        n.newline()
+
     n.build(
-        inputs=str(rom_path),
-        rule="extract",
-        outputs=str(rom_config),
+        rule="download_tool",
+        outputs=OBJDIFF,
         variables={
-            "output_path": str(game_extract)
+            "tool": "objdiff",
+            "tag": OBJDIFF_VERSION,
+            "path": OBJDIFF,
         }
     )
     n.newline()
 
+    if args.compiler is None:
+        n.build(
+            rule="download_tool",
+            outputs=[CC, LD],
+            variables={
+                "tool": "mwccarm",
+                "tag": "latest",
+                "path": tools_path,
+            },
+        )
+        n.newline()
 
-def add_mwld_and_rom_builds(n: ninja_syntax.Writer, game_build: Path, game_config: Path, game_version: str):
-    source_object_files = [
-        str(game_build / source_file.with_suffix(".o"))
-        for source_file in get_c_cpp_files([src_path, libs_path])
-    ]
-    lcf_file = str(game_build / "linker_script.lcf")
-    objects_file = str(game_build / "objects.txt")
-    delink_file = str(game_build / "delinks" / "delink.yaml")
-    elf_file = str(game_build / "arm9.o")
+    if platform.system != "windows" and WINE == DEFAULT_WIBO_PATH:
+        n.build(
+            rule="download_tool",
+            outputs=WINE,
+            variables={
+                "tool": "wibo",
+                "tag": WIBO_VERSION,
+                "path": WINE,
+            },
+        )
+        n.newline()
+
+
+def add_extract_build(n: ninja_syntax.Writer, project: Project):
+    if not args.no_extract:
+        n.build(
+            inputs=str(project.baserom()),
+            implicit=DSD,
+            rule="extract",
+            outputs=str(project.baserom_config()),
+            variables={
+                "output_path": str(project.game_extract)
+            }
+        )
+        n.newline()
+
+
+def add_mwld_and_rom_builds(n: ninja_syntax.Writer, project: Project):
+    lcf_file = str(project.arm9_lcf())
+    objects_file = str(project.arm9_objects_txt())
+    delink_file = str(project.arm9_delink_yaml())
+    elf_file = str(project.arm9_o())
     n.build(
-        inputs=source_object_files + [lcf_file, objects_file, delink_file],
+        inputs=project.source_object_files() + [lcf_file, objects_file, delink_file],
+        implicit=LD,
         rule="mwld",
         outputs=elf_file,
         variables={
-            "target_dir": game_build,
+            "target_dir": project.game_build,
             "objects_file": objects_file,
             "lcf_file": lcf_file,
         }
     )
     n.newline()
 
-    rom_config_file = str(game_build / "build" / "rom_config.yaml")
     n.build(
         inputs=elf_file,
+        rule="phony",
+        outputs="arm9",
+    )
+    n.newline()
+
+    rom_config_file = str(project.build_rom_config())
+    n.build(
+        inputs=elf_file,
+        implicit=DSD,
         rule="rom_config",
         outputs=rom_config_file,
         variables={
-            "config_path": game_config / "arm9" / "config.yaml",
+            "config_path": project.arm9_config_yaml(),
         }
     )
     n.newline()
 
-    rom_file = f"{GAME}_{game_version}.nds"
+    rom_file = project.build_rom()
     n.build(
-        inputs=[rom_config_file],
+        inputs=rom_config_file,
+        implicit=DSD,
         rule="rom_build",
         outputs=rom_file,
     )
@@ -267,28 +408,28 @@ def add_mwld_and_rom_builds(n: ninja_syntax.Writer, game_build: Path, game_confi
     n.newline()
 
 
-def add_mwcc_builds(n: ninja_syntax.Writer, game_version: str, game_build: Path, mwcc_implicit: list[Path]):
+def add_mwcc_builds(n: ninja_syntax.Writer, project: Project, mwcc_implicit: list[Path]):
     for source_file in get_c_cpp_files([src_path, libs_path]):
-        src_obj_path = game_build / source_file
+        src_obj_path = project.game_build / source_file
         cc_flags = []
         if is_cpp(source_file): cc_flags.append("-lang=c++")
         elif is_c(source_file): cc_flags.append("-lang=c")
         n.build(
             inputs=str(source_file),
+            implicit=mwcc_implicit,
             rule="mwcc",
             outputs=str(src_obj_path.with_suffix(".o")),
             variables={
-                "game_version": game_version,
+                "game_version": project.game_version,
                 "cc_flags": " ".join(cc_flags),
                 "basedir": os.path.dirname(src_obj_path),
                 "basefile": str(src_obj_path.with_suffix("")),
             },
-            implicit=mwcc_implicit,
         )
         n.newline()
 
         extension = source_file.suffix
-        ctx_file = str(game_build / source_file.with_suffix(f".ctx{extension}"))
+        ctx_file = str(project.game_build / source_file.with_suffix(f".ctx{extension}"))
         n.build(
             inputs=str(source_file),
             rule="m2ctx",
@@ -314,19 +455,17 @@ def is_c(name: str):
     return Path(name).suffix in [".c"]
 
 
-def add_delink_and_lcf_builds(n: ninja_syntax.Writer, game_config: Path, game_build: Path, game_extract: Path):
+def add_delink_and_lcf_builds(n: ninja_syntax.Writer, project: Project):
     n.comment("Delink ELF binaries when any delinks.txt file is modified")
-    delinks_files = get_config_files(game_config, "delinks.txt")
-    relocs_files = get_config_files(game_config, "relocs.txt")
-    symbols_files = get_config_files(game_config, "symbols.txt")
-    rom_config = str(game_extract / 'config.yaml')
-    delinks_path = game_build / "delinks"
+    rom_config = str(project.baserom_config())
+    delinks_path = project.arm9_delinks()
     n.build(
-        inputs=delinks_files + relocs_files + symbols_files + [rom_config],
+        inputs=project.dsd_configs() + [rom_config],
+        implicit=DSD,
         rule="delink",
         outputs=str(delinks_path / "delink.yaml"),
         variables={
-            "config_path": game_config / "arm9" / "config.yaml",
+            "config_path": project.arm9_config_yaml(),
         }
     )
     n.newline()
@@ -338,26 +477,60 @@ def add_delink_and_lcf_builds(n: ninja_syntax.Writer, game_config: Path, game_bu
     )
     n.newline()
 
-    lcf_file = game_build / "linker_script.lcf"
-    objects_file = game_build / "objects.txt"
+    lcf_file = project.arm9_lcf()
+    objects_file = project.arm9_objects_txt()
     n.build(
-        inputs=delinks_files + [str(rom_config)],
+        inputs=project.delinks_files + [str(rom_config)],
+        implicit=DSD,
         rule="lcf",
         outputs=[str(lcf_file), str(objects_file)],
         variables={
-            "config_path": game_config / "arm9" / "config.yaml",
+            "config_path": project.arm9_config_yaml(),
             "lcf_file": lcf_file,
             "objects_file": objects_file,
         }
     )
     n.newline()
 
+
+def add_check_builds(n: ninja_syntax.Writer, project: Project):
     n.build(
-        inputs=delinks_files + relocs_files + symbols_files,
+        inputs=str(project.arm9_o()),
+        rule="check_modules",
+        outputs="check_modules",
+        variables={
+            "config_path": project.arm9_config_yaml(),
+        },
+    )
+    n.newline()
+
+    n.build(
+        inputs=str(project.arm9_o()),
+        rule="check_symbols",
+        outputs="check_symbols",
+        variables={
+            "config_path": project.arm9_config_yaml(),
+            "elf_path": project.arm9_o(),
+        },
+    )
+    n.newline()
+
+    n.build(
+        inputs=["check_modules", "check_symbols"],
+        rule="phony",
+        outputs="check",
+    )
+    n.newline()
+
+
+def add_objdiff_builds(n: ninja_syntax.Writer, project: Project):
+    n.build(
+        inputs=project.dsd_configs(),
+        implicit=DSD,
         rule="objdiff",
         outputs="objdiff.json",
         variables={
-            "config_path": game_config / "arm9" / "config.yaml",
+            "config_path": project.arm9_config_yaml(),
         }
     )
     n.newline()
@@ -369,8 +542,23 @@ def add_delink_and_lcf_builds(n: ninja_syntax.Writer, game_config: Path, game_bu
     )
     n.newline()
 
+    n.build(
+        inputs=["objdiff.json"],
+        implicit=[OBJDIFF] + project.source_object_files(),
+        rule="objdiff_report",
+        outputs=str(project.objdiff_report()),
+    )
+    n.newline()
 
-def get_config_files(game_config: Path, name: str):
+    n.build(
+        inputs=str(project.objdiff_report()),
+        rule="phony",
+        outputs="report",
+    )
+    n.newline()
+
+
+def get_config_files(game_config: Path, name: str) -> list[str]:
     return [
         f"{root}/{file}"
         for root, _, files in os.walk(game_config)
diff --git a/tools/download_tool.py b/tools/download_tool.py
new file mode 100644
index 00000000..755acd8f
--- /dev/null
+++ b/tools/download_tool.py
@@ -0,0 +1,53 @@
+import argparse
+from pathlib import Path
+from get_platform import get_platform
+import zipfile
+import io
+import requests
+import stat
+
+root_path = Path(__file__).parent.parent
+
+
+platform = get_platform()
+if platform is None:
+    exit(1)
+
+parser = argparse.ArgumentParser()
+parser.add_argument("tool")
+parser.add_argument("tag")
+parser.add_argument("--path", type=Path, required=True)
+args = parser.parse_args()
+
+
+def dsd_url(tag: str) -> str:
+    return f'https://github.com/AetiasHax/ds-decomp/releases/download/{tag}/dsd-{platform.system}-{platform.machine}{platform.exe}'
+
+def mwccarm_url(tag: str) -> str:
+    return 'http://decomp.aetias.com/files/mwccarm.zip'
+
+def wibo_url(tag: str) -> str:
+    return f'https://github.com/decompals/wibo/releases/download/{tag}/wibo'
+
+def objdiff_url(tag: str) -> str:
+    return f'https://github.com/encounter/objdiff/releases/download/{tag}/objdiff-cli-{platform.system}-{platform.machine}{platform.exe}'
+
+TOOLS = {
+    "dsd": dsd_url,
+    "mwccarm": mwccarm_url,
+    "wibo": wibo_url,
+    "objdiff": objdiff_url,
+}
+
+
+download_url = TOOLS[args.tool](args.tag)
+print(f'\nDownloading {args.tool} {args.tag}...')
+response = requests.get(download_url)
+if download_url.endswith('.zip'):
+    zip_file = zipfile.ZipFile(io.BytesIO(response.content))
+    zip_file.extractall(args.path)
+else:
+    out_path: Path = args.path
+    with out_path.open('wb') as f:
+        f.write(response.content)
+    out_path.chmod(out_path.stat().st_mode | stat.S_IEXEC)
diff --git a/tools/get_platform.py b/tools/get_platform.py
new file mode 100644
index 00000000..a4fe40d8
--- /dev/null
+++ b/tools/get_platform.py
@@ -0,0 +1,31 @@
+import platform
+
+
+class Platform:
+    def __init__(self, *, system: str, machine: str, exe: str):
+        self.system = system
+        '''Name of operating system: "windows" or "linux"'''
+        self.machine = machine
+        '''Name of machine architecture: "x86_64"'''
+        self.exe = exe
+        '''Executable file extension: ".exe" for Windows, "" otherwise'''
+
+
+def get_platform() -> Platform | None:
+    exe = ""
+    system = platform.system()
+    if system == "Windows":
+        system = "windows"
+        exe = ".exe"
+    elif system == "Linux":
+        system = "linux"
+    else:
+        print(f"Unknown system '{system}'")
+        return None
+    match platform.machine().lower():
+        case "amd64" | "x86_64": machine = "x86_64"
+        case machine:
+            print(f"Unknown machine: {machine}")
+            return None
+
+    return Platform(system=system, machine=machine, exe=exe)
diff --git a/tools/setup.py b/tools/setup.py
deleted file mode 100755
index 8e5f9c0d..00000000
--- a/tools/setup.py
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/usr/bin/env python3
-
-import requests
-import zipfile
-import io
-from pathlib import Path
-import platform
-import stat
-
-DSD_VERSION = 'v0.5.0'
-WIBO_VERSION = '0.6.16'
-
-
-tools_path = Path(__file__).parent
-root_path = tools_path.parent
-
-
-EXE = ""
-system = platform.system()
-if system == "Windows":
-    system = "windows"
-    EXE = ".exe"
-elif system == "Linux":
-    system = "linux"
-else:
-    print(f"Unknown system '{system}'")
-    exit(1)
-match platform.machine().lower():
-    case 'amd64' | 'x86_64': machine = 'x86_64'
-    case machine:
-        print(f'Unknown machine: {machine}')
-        exit(1)
-
-
-print('\nInstalling dsd...')
-response = requests.get(f'https://github.com/AetiasHax/ds-decomp/releases/download/{DSD_VERSION}/dsd-{system}-{machine}{EXE}')
-dsd_path = root_path / f'dsd{EXE}'
-with open(dsd_path, 'wb') as f:
-    f.write(response.content)
-dsd_path.chmod(dsd_path.stat().st_mode | stat.S_IEXEC)
-
-
-print('\nInstalling toolchain...')
-response = requests.get('http://decomp.aetias.com/files/mwccarm.zip')
-zip_file = zipfile.ZipFile(io.BytesIO(response.content))
-zip_file.extractall(tools_path)
-
-
-if system == "linux":
-    print('\nInstalling wibo...')
-    response = requests.get(f'https://github.com/decompals/wibo/releases/download/{WIBO_VERSION}/wibo')
-    wibo_path = root_path / 'wibo'
-    with open(wibo_path, 'wb') as f:
-        f.write(response.content)
-    wibo_path.chmod(wibo_path.stat().st_mode | stat.S_IEXEC)
-