1#!/usr/bin/env bash
2#===- llvm/utils/docker/scripts/build_install_llvm.sh ---------------------===//
3#
4#                     The LLVM Compiler Infrastructure
5#
6# This file is distributed under the University of Illinois Open Source
7# License. See LICENSE.TXT for details.
8#
9#===-----------------------------------------------------------------------===//
10
11set -e
12
13function show_usage() {
14  cat << EOF
15Usage: build_install_llvm.sh [options] -- [cmake-args]
16
17Run cmake with the specified arguments. Used inside docker container.
18Passes additional -DCMAKE_INSTALL_PREFIX and puts the build results into
19the directory specified by --to option.
20
21Available options:
22  -h|--help           show this help message
23  -i|--install-target name of a cmake install target to build and include in
24                      the resulting archive. Can be specified multiple times.
25  --install           destination directory where to install the targets.
26  --source            location of the source tree.
27  --build             location to use as the build directory.
28Required options: --to, --source, --build, and at least one --install-target.
29
30All options after '--' are passed to CMake invocation.
31EOF
32}
33
34CMAKE_ARGS=""
35CMAKE_INSTALL_TARGETS=""
36CLANG_INSTALL_DIR=""
37CLANG_SOURCE_DIR=""
38CLANG_BUILD_DIR=""
39
40while [[ $# -gt 0 ]]; do
41  case "$1" in
42    -i|--install-target)
43      shift
44      CMAKE_INSTALL_TARGETS="$CMAKE_INSTALL_TARGETS $1"
45      shift
46      ;;
47    --source)
48      shift
49      CLANG_SOURCE_DIR="$1"
50      shift
51      ;;
52    --build)
53      shift
54      CLANG_BUILD_DIR="$1"
55      shift
56      ;;
57    --install)
58      shift
59      CLANG_INSTALL_DIR="$1"
60      shift
61      ;;
62    --)
63      shift
64      CMAKE_ARGS="$*"
65      shift $#
66      ;;
67    -h|--help)
68      show_usage
69      exit 0
70      ;;
71    *)
72      echo "Unknown option: $1"
73      exit 1
74  esac
75done
76
77if [ "$CLANG_SOURCE_DIR" == "" ]; then
78  echo "No source directory. Please pass --source."
79  exit 1
80fi
81
82if [ "$CLANG_BUILD_DIR" == "" ]; then
83  echo "No build directory. Please pass --build"
84  exit 1
85fi
86
87if [ "$CMAKE_INSTALL_TARGETS" == "" ]; then
88  echo "No install targets. Please pass one or more --install-target."
89  exit 1
90fi
91
92if [ "$CLANG_INSTALL_DIR" == "" ]; then
93  echo "No install directory. Please specify the --to argument."
94  exit 1
95fi
96
97echo "Building in $CLANG_BUILD_DIR"
98mkdir -p "$CLANG_BUILD_DIR"
99pushd "$CLANG_BUILD_DIR"
100
101# Run the build as specified in the build arguments.
102echo "Running build"
103cmake -GNinja \
104  -DCMAKE_INSTALL_PREFIX="$CLANG_INSTALL_DIR" \
105  $CMAKE_ARGS \
106  "$CLANG_SOURCE_DIR"
107ninja $CMAKE_INSTALL_TARGETS
108
109popd
110
111# Cleanup.
112rm -rf "$CLANG_BUILD_DIR"
113
114echo "Done"
115