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      1 #!/bin/bash
      2 #
      3 # Copyright (C) 2017 The Android Open Source Project
      4 #
      5 # Licensed under the Apache License, Version 2.0 (the "License");
      6 # you may not use this file except in compliance with the License.
      7 # You may obtain a copy of the License at
      8 #
      9 #      http://www.apache.org/licenses/LICENSE-2.0
     10 #
     11 # Unless required by applicable law or agreed to in writing, software
     12 # distributed under the License is distributed on an "AS IS" BASIS,
     13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 # See the License for the specific language governing permissions and
     15 # limitations under the License.
     16 
     17 #
     18 # Calls javac with the -bootclasspath values passed in automatically.
     19 # (This avoids having to manually set a boot class path).
     20 # If $JAVAC is set, it will call that instead of 'javac'.
     21 #
     22 #
     23 # Script-specific args:
     24 #   --mode=[host|target|jvm]:
     25 #                         Select between host,target,jvm bootclasspath (default target).
     26 #   --core-only:          Use only "core" bootclasspath (e.g. do not include framework).
     27 #                         Ignored with --mode=jvm.
     28 #   --show-commands:      Print the javac command being executed.
     29 #   --help:               Print above list of args.
     30 #
     31 # All other args are forwarded to javac
     32 #
     33 
     34 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
     35 TOP=$DIR/../..
     36 
     37 if [[ -z $JAVAC ]]; then
     38   JAVAC=javac
     39 fi
     40 
     41 bootjars_args=
     42 mode=target
     43 showcommands=n
     44 while true; do
     45   case $1 in
     46     --help)
     47       echo "Usage: $0 [--mode=host|target|jvm] [--core-only] [--show-commands] <javac args>"
     48       exit 0
     49       ;;
     50     --mode=host)
     51       bootjars_args="$bootjars_args --host"
     52       mode=host
     53       ;;
     54     --mode=target)
     55       bootjars_args="$bootjars_args --target"
     56       mode=target
     57       ;;
     58     --mode=jvm)
     59       mode=jvm
     60       ;;
     61     --mode=*)
     62       echo "Unsupported $0 usage with --mode=$1" >&2
     63       exit 1
     64       ;;
     65     --core-only)
     66       bootjars_args="$bootjars_args --core"
     67       ;;
     68     --show-commands)
     69       showcommands=y
     70       ;;
     71     *)
     72       break
     73       ;;
     74   esac
     75   shift
     76 done
     77 
     78 if [[ $mode == jvm ]]; then
     79   # For --mode=jvm:
     80   # Do not prepend a -bootclasspath, which will use the default bootclasspath instead.
     81   javac_args=()
     82 else
     83   # For --mode=host or --mode=target, look up the correct -bootclasspath for libcore.
     84   javac_bootclasspath=()
     85   boot_class_path_list=$($TOP/art/tools/bootjars.sh $bootjars_args --path)
     86 
     87   for path in $boot_class_path_list; do
     88     javac_bootclasspath+=("$path")
     89   done
     90 
     91   if [[ ${#javac_bootclasspath[@]} -eq 0 ]]; then
     92     echo "FATAL: Missing bootjars.sh file path list" >&2
     93     exit 1
     94   fi
     95 
     96   function join_by { local IFS="$1"; shift; echo "$*"; }
     97   bcp_arg="$(join_by ":" "${javac_bootclasspath[@]}")"
     98   javac_args=(-bootclasspath "$bcp_arg")
     99 fi
    100 
    101 if [[ $showcommands == y ]]; then
    102   echo ${JAVAC} "${javac_args[@]}" "$@"
    103 fi
    104 
    105 ${JAVAC} "${javac_args[@]}" "$@"
    106