1 files changed, 106 insertions, 0 deletions
diff --git a/gnu/llvm/libcxx/utils/docker/scripts/build_llvm_version.sh b/gnu/llvm/libcxx/utils/docker/scripts/build_llvm_version.sh
new file mode 100755
index 00000000000..613a7babd33
--- /dev/null
+++ b/gnu/llvm/libcxx/utils/docker/scripts/build_llvm_version.sh
@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+#===- libcxx/utils/docker/scripts/build_install_llvm_version_default.sh -----------------------===//
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+#===-------------------------------------------------------------------------------------------===//
+
+set -e
+
+function show_usage() {
+  cat << EOF
+Usage: build_install_llvm.sh [options] -- [cmake-args]
+
+Run cmake with the specified arguments. Used inside docker container.
+Passes additional -DCMAKE_INSTALL_PREFIX and puts the build results into
+the directory specified by --to option.
+
+Available options:
+  -h|--help           show this help message
+  --install           destination directory where to install the targets.
+  --branch            the branch or tag of LLVM to build
+Required options: --install, and --version.
+
+All options after '--' are passed to CMake invocation.
+EOF
+}
+
+LLVM_BRANCH=""
+CMAKE_ARGS=""
+LLVM_INSTALL_DIR=""
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --install)
+      shift
+      LLVM_INSTALL_DIR="$1"
+      shift
+      ;;
+    --branch)
+      shift
+      LLVM_BRANCH="$1"
+      shift
+      ;;
+    --)
+      shift
+      CMAKE_ARGS="$*"
+      shift $#
+      ;;
+    -h|--help)
+      show_usage
+      exit 0
+      ;;
+    *)
+      echo "Unknown option: $1"
+      exit 1
+  esac
+done
+
+
+if [ "$LLVM_INSTALL_DIR" == "" ]; then
+  echo "No install directory. Please specify the --install argument."
+  exit 1
+fi
+
+if [ "$LLVM_BRANCH" == "" ]; then
+  echo "No install directory. Please specify the --branch argument."
+  exit 1
+fi
+
+if [ "$CMAKE_ARGS" == "" ]; then
+  CMAKE_ARGS="-DCMAKE_BUILD_TYPE=RELEASE '-DCMAKE_C_FLAGS=-gline-tables-only' '-DCMAKE_CXX_FLAGS=-gline-tables-only' -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_INSTALL_TOOLCHAIN_ONLY=ON"
+fi
+
+set -x
+
+TMP_ROOT="$(mktemp -d -p /tmp)"
+LLVM_SOURCE_DIR="$TMP_ROOT/llvm-project"
+LLVM_BUILD_DIR="$TMP_ROOT/build"
+LLVM="$LLVM_SOURCE_DIR/llvm"
+
+git clone --branch $LLVM_BRANCH --single-branch --depth=1 https://github.com/llvm/llvm-project.git $LLVM_SOURCE_DIR
+
+pushd "$LLVM_SOURCE_DIR"
+
+# Setup the source-tree using the old style layout
+ln -s $LLVM_SOURCE_DIR/libcxx $LLVM/projects/libcxx
+ln -s $LLVM_SOURCE_DIR/libcxxabi $LLVM/projects/libcxxabi
+ln -s $LLVM_SOURCE_DIR/compiler-rt $LLVM/projects/compiler-rt
+ln -s $LLVM_SOURCE_DIR/clang $LLVM/tools/clang
+ln -s $LLVM_SOURCE_DIR/clang-tools-extra $LLVM/tools/clang/tools/extra
+
+popd
+
+# Configure and build
+mkdir "$LLVM_BUILD_DIR"
+pushd "$LLVM_BUILD_DIR"
+cmake -GNinja "-DCMAKE_INSTALL_PREFIX=$LLVM_INSTALL_DIR" $CMAKE_ARGS $LLVM
+ninja install
+popd
+
+# Cleanup
+rm -rf "$TMP_ROOT/"
+
+echo "Done"