Import libc++ 10.0.1 release.

1 files changed, 108 insertions, 0 deletions

diff --git a/gnu/llvm/libcxx/utils/docker/scripts/build_gcc_version.sh b/gnu/llvm/libcxx/utils/docker/scripts/build_gcc_version.sh
new file mode 100755
index 00000000000..68aa4c67e3e
--- /dev/null
+++ b/gnu/llvm/libcxx/utils/docker/scripts/build_gcc_version.sh
@@ -0,0 +1,108 @@
+#!/usr/bin/env bash
+#===- libcxx/utils/docker/scripts/build-gcc.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_gcc_version.sh [options]
+
+Run autoconf with the specified arguments. Used inside docker container.
+
+Available options:
+  -h|--help           show this help message
+  --branch            the branch of gcc you want to build.
+  --cherry-pick       a commit hash to apply to the GCC sources.
+  --install           destination directory where to install the targets.
+Required options: --install and --branch
+
+All options after '--' are passed to CMake invocation.
+EOF
+}
+
+GCC_INSTALL_DIR=""
+GCC_BRANCH=""
+CHERRY_PICK=""
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --install)
+      shift
+      GCC_INSTALL_DIR="$1"
+      shift
+      ;;
+    --branch)
+      shift
+      GCC_BRANCH="$1"
+      shift
+      ;;
+    --cherry-pick)
+      shift
+      CHERRY_PICK="$1"
+      shift
+      ;;
+    -h|--help)
+      show_usage
+      exit 0
+      ;;
+    *)
+      echo "Unknown option: $1"
+      exit 1
+  esac
+done
+
+if [ "$GCC_INSTALL_DIR" == "" ]; then
+  echo "No install directory. Please specify the --install argument."
+  exit 1
+fi
+
+if [ "$GCC_BRANCH" == "" ]; then
+  echo "No branch specified. Please specify the --branch argument."
+  exit 1
+fi
+
+set -x
+
+NPROC=`nproc`
+TMP_ROOT="$(mktemp -d -p /tmp)"
+GCC_SOURCE_DIR="$TMP_ROOT/gcc"
+GCC_BUILD_DIR="$TMP_ROOT/build"
+
+echo "Cloning source directory for branch $GCC_BRANCH"
+git clone --branch "$GCC_BRANCH" --single-branch --depth=1 git://gcc.gnu.org/git/gcc.git $GCC_SOURCE_DIR
+
+pushd "$GCC_SOURCE_DIR"
+if [ "$CHERRY_PICK" != "" ]; then
+  git fetch origin trunk --unshallow # Urg, we have to get the entire history. This will take a while.
+  git cherry-pick --no-commit -X theirs "$CHERRY_PICK"
+fi
+./contrib/download_prerequisites
+popd
+
+
+mkdir "$GCC_BUILD_DIR"
+pushd "$GCC_BUILD_DIR"
+
+# Run the build as specified in the build arguments.
+echo "Running configuration"
+$GCC_SOURCE_DIR/configure --prefix=$GCC_INSTALL_DIR \
+  --disable-bootstrap --disable-libgomp --disable-libitm \
+  --disable-libvtv --disable-libcilkrts --disable-libmpx \
+  --disable-liboffloadmic --disable-libcc1 --enable-languages=c,c++
+
+echo "Running build with $NPROC threads"
+make -j$NPROC
+echo "Installing to $GCC_INSTALL_DIR"
+make install -j$NPROC
+popd
+
+# Cleanup.
+rm -rf "$TMP_ROOT"
+
+echo "Done"
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