From cf5f2cea4d17a8d93d8d6a2084431ebc315ae904 Mon Sep 17 00:00:00 2001
From: Jonas Meeuws <jonas.meeuws@gmail.com>
Date: Wed, 7 Aug 2024 21:46:29 +0200
Subject: [PATCH] Add llvm-xtensa and ldc-xtensa images

---
 definitions/containerfiles.ini                | 10 ++++
 .../ldc-xtensa/ldc-xtensa-image.containerfile | 57 +++++++++++++++++++
 .../download-llvm-xtensa-source.containerfile |  7 +++
 .../llvm-xtensa-image.containerfile           | 29 ++++++++++
 templates/llvm/build-llvm.containerfile       |  3 +
 5 files changed, 106 insertions(+)
 create mode 100644 templates/ldc-xtensa/ldc-xtensa-image.containerfile
 create mode 100644 templates/llvm-xtensa/download-llvm-xtensa-source.containerfile
 create mode 100644 templates/llvm-xtensa/llvm-xtensa-image.containerfile

diff --git a/definitions/containerfiles.ini b/definitions/containerfiles.ini
index 9e00e12..afa3d73 100644
--- a/definitions/containerfiles.ini
+++ b/definitions/containerfiles.ini
@@ -528,3 +528,13 @@ level = false
 
 [llvm:18.1.8]
 level = false
+
+[ldc-xtensa:1.39.0]
+level = 2.109.1
+dependencies[] = llvm-xtensa:16.0
+dependencies[] = ldc:1.20
+extras[dub] = 1.38.0
+
+[llvm-xtensa:16.0.4]
+level = false
+env[GIT_TAG] = esp-16.0.4-20231113
diff --git a/templates/ldc-xtensa/ldc-xtensa-image.containerfile b/templates/ldc-xtensa/ldc-xtensa-image.containerfile
new file mode 100644
index 0000000..4037ffb
--- /dev/null
+++ b/templates/ldc-xtensa/ldc-xtensa-image.containerfile
@@ -0,0 +1,57 @@
+{{< ldc/ldc-variables.php }}
+###################
+# imported images #
+###################
+
+FROM {{ $container_namespace }}/llvm-xtensa:{{ $dependencies['llvm-xtensa'] }}-{{ $base_image_alias }} AS llvm-imported
+{{# if ($isBootstrappedByLDC): }}
+	FROM {{ $container_namespace }}/ldc:{{ $dependencies['ldc'] }}-{{ $base_image_alias }} AS ldc-bootstrap-imported
+{{# endif }}
+
+###############
+# build stage #
+###############
+
+{{< ldc/ldc-image-build-stage.containerfile }}
+
+{{# if ($isBootstrappedByLDC): }}
+
+	##################
+	# self bootstrap #
+	##################
+
+	{{< ldc/ldc-image-build-stage.containerfile }}
+{{# endif }}
+
+{{< common/make-dub.containerfile }}
+
+{{< common/make-d-tools.containerfile }}
+
+################
+# export stage #
+################
+
+{{# $buildStage = "build-stage-{$buildStageCounter}"; }}
+FROM {{ $base_image }} AS export-stage
+
+{{< common/prepare-runtime-environment.containerfile }}
+
+COPY --from={{ $buildStage }} /opt/ldc /opt/ldc
+
+{{< d-tools/install-d-tools.containerfile }}
+
+# Self-test
+COPY ./resources/helloworld.d /opt/helloworld.d
+RUN /opt/ldc/bin/ldmd2 -run /opt/helloworld.d
+RUN rm /opt/helloworld.d
+
+{{# if (isset($extras['dub'])): }}
+	COPY --from={{ $buildStage }} /opt/build/dub/bin/dub /usr/bin/dub
+{{# endif }}
+
+{{< d-tools/install-d-tools.containerfile }}
+
+COPY ./templates/scripts/entrypoint-ldc.sh /usr/bin/entrypoint
+
+ENTRYPOINT [ "/usr/bin/entrypoint" ]
+CMD [ "/opt/ldc/bin/ldc2" ]
diff --git a/templates/llvm-xtensa/download-llvm-xtensa-source.containerfile b/templates/llvm-xtensa/download-llvm-xtensa-source.containerfile
new file mode 100644
index 0000000..e6875aa
--- /dev/null
+++ b/templates/llvm-xtensa/download-llvm-xtensa-source.containerfile
@@ -0,0 +1,7 @@
+## Download LLVM source
+
+{{# if (!isset($GIT_TAG)): }}
+	!!! Error: $GIT_TAG is not set !!!
+{{# else: }}
+    RUN curl -fLsSo llvm.tar.gz "https://github.com/espressif/llvm-project/archive/refs/tags/{{ $GIT_TAG }}.tar.gz"
+{{# endif }}
diff --git a/templates/llvm-xtensa/llvm-xtensa-image.containerfile b/templates/llvm-xtensa/llvm-xtensa-image.containerfile
new file mode 100644
index 0000000..fe8350f
--- /dev/null
+++ b/templates/llvm-xtensa/llvm-xtensa-image.containerfile
@@ -0,0 +1,29 @@
+<?php
+	$LLVM_EXPERIMENTAL_TARGETS_TO_BUILD = "Xtensa"
+?>
+
+###############
+# build stage #
+###############
+
+FROM {{ $base_image }} AS build-stage
+
+WORKDIR /opt/build
+
+# Install dependencies
+{{< common/install-common-system-tools.containerfile }}
+{{< llvm/install-llvm-build-deps.containerfile }}
+
+# Download, build and install LLVM
+{{< llvm-xtensa/download-llvm-xtensa-source.containerfile }}
+{{< llvm/build-llvm.containerfile }}
+
+################
+# export stage #
+################
+
+FROM {{ $base_image }} AS export-stage
+
+COPY --from=build-stage /opt/llvm/ /opt/llvm/
+
+CMD ["echo", "This image is not meant to be run. It only provides files located in /opt/llvm."]
diff --git a/templates/llvm/build-llvm.containerfile b/templates/llvm/build-llvm.containerfile
index 514c81f..4820f81 100755
--- a/templates/llvm/build-llvm.containerfile
+++ b/templates/llvm/build-llvm.containerfile
@@ -21,6 +21,9 @@ RUN cmake \
 	{{# if ($semver->major >= 12): }}
 		-DLLVM_ENABLE_RUNTIMES=compiler-rt \
 	{{# endif }}
+	{{# if (isset($LLVM_EXPERIMENTAL_TARGETS_TO_BUILD)): }}
+		-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD="{{ $LLVM_EXPERIMENTAL_TARGETS_TO_BUILD }}" \
+	{{# endif }}
 	-DCMAKE_INSTALL_PREFIX=/opt/llvm \
 	-DCMAKE_C_COMPILER=gcc \
 	-DCMAKE_CXX_COMPILER=g++ \