Cmake and ninja move

pyproject.toml

@@ -1,8 +1,6 @@
 [build-system]
 # Should be mirrored in requirements/build.txt
 requires = [
-    "cmake>=3.26",
-    "ninja",
     "packaging>=24.2",
     "setuptools>=77.0.3,<80.0.0",
     "setuptools-scm>=8.0",
@@ -13,7 +11,7 @@ build-backend = "setuptools.build_meta"
 name = "unsloth"
 description = "2-5X faster LLM finetuning"
 readme = "README.md"
-requires-python = ">=3.9,<3.13"
+requires-python = ">=3.9"
 dynamic = ["version", "dependencies", "optional-dependencies"]
 license = { file = "LICENSE" }
 keywords = ["ai", "llm",]

setup.py

@@ -770,6 +770,10 @@ if HAS_HIP:
             os.mkdir('thirdparties')
             os.chdir('thirdparties')
 
+            # Cmake and ninja
+            subprocess.check_call(['pip', 'install', 'cmake>=3.26'])
+            subprocess.check_call(['pip', 'install', 'ninja'])
+
             # Extract ROCm GPU arch from environment variable. If unset, then detect ROCm arch from rocminfo
             # Refer to https://github.com/bitsandbytes-foundation/bitsandbytes/blob/1abd5e781013a085f86586b30a248dc769909668/bitsandbytes/cuda_specs.py#L81
             # TODO(billishyahao): need to triage rocminfo unavailable observation from https://github.com/bitsandbytes-foundation/bitsandbytes/issues/1444