Index: zorg/buildbot/builders/LLVMEmbeddedToolchainForArmBuilder.py
===================================================================
--- /dev/null
+++ zorg/buildbot/builders/LLVMEmbeddedToolchainForArmBuilder.py
@@ -0,0 +1,70 @@
+from buildbot.steps.shell import ShellCommand
+from buildbot.plugins import steps
+from zorg.buildbot.process.factory import LLVMBuildFactory
+
+
+def getLLVMEmbeddedToolchainForArmBuildFactory():
+    f = LLVMBuildFactory(llvm_srcdir="repos/llvm.git")
+
+    f.addStep(steps.MakeDirectory(dir="repos"))
+
+    toolchain_src = "LLVM-embedded-toolchain-for-Arm"
+
+    f.addStep(
+        steps.Git(
+            name="Check out LLVM-embedded-toolchain-for-Arm",
+            repourl="https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm.git",
+            progress=True,
+            workdir=toolchain_src,
+            retryFetch=True,
+            clobberOnFailure=True,
+        )
+    )
+
+    f.addStep(
+        steps.Git(
+            name="Check out piclibc",
+            repourl="https://github.com/mirror/picolibc.git",
+            progress=True,
+            workdir="repos/picolibc.git",
+            retryFetch=True,
+            clobberOnFailure=True,
+        )
+    )
+
+    f.addGetSourcecodeSteps()
+
+    f.addStep(steps.RemoveDirectory(dir="build"))
+
+    f.addStep(
+        ShellCommand(
+            name="setup",
+            command=["./setup.sh"],
+            haltOnFailure=True,
+            workdir=toolchain_src,
+        )
+    )
+
+    f.addStep(
+        ShellCommand(
+            name="build",
+            command=[
+                "./venv/bin/build.py",
+                "--verbose",
+                "--use-ccache",
+                "--use-ninja",
+                "--checkout-mode",
+                "patch",  # perform a hard reset and apply patches
+                "--revision",
+                "HEAD",
+                "--repositories-dir",
+                "../repos",
+                "--build-dir",
+                "../build",
+            ],
+            haltOnFailure=True,
+            workdir=toolchain_src,
+        )
+    )
+
+    return f