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      1 #!/bin/bash
      2 #
      3 # Copyright 2015 Google Inc. All rights reserved
      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 # A wrapper for kati which generates build.ninja mainly for Android.
     18 #
     19 
     20 set -e
     21 
     22 kati_dir=$(cd $(dirname $0) && pwd)
     23 extra_flags=
     24 goma_flag=
     25 goma_dir=${GOMA_DIR:-$HOME/goma}
     26 
     27 while [ x"$1" != x"" ]; do
     28   case "$1" in
     29     --help)
     30       cat - <<EOF
     31 Usage:
     32   m2n               # for default full-build
     33   m2n --goma        # use goma. \$HOME/goma must exist, or set \$GOMA_DIR
     34   m2n --go          # use go version. Slower but maybe more portable.
     35   m2n cts           # for target 'cts'
     36 EOF
     37       exit 1
     38       ;;
     39 
     40     --go)
     41       kati=${kati_dir}/kati
     42       shift
     43       ${kati} --m2n "$@"
     44       echo
     45       echo ninja.sh and build.ninja were generated, please run ./ninja.sh
     46       exit
     47       ;;
     48 
     49     --goma)
     50       if [ ! -e $goma_dir/goma_ctl.py ]; then
     51         echo "To use Goma you must set GOMA_DIR, or install goma in $HOME/goma"
     52         exit 1
     53       fi
     54       $goma_dir/goma_ctl.py ensure_start
     55       goma_flag=--goma_dir=$goma_dir
     56       shift
     57       ;;
     58 
     59     --mmm)
     60       echo 'Note: --mmm may not work'
     61       shift;
     62       mmm="$1"
     63       shift
     64       ;;
     65 
     66     -*)
     67       extra_flags+=" $1"
     68       shift
     69       ;;
     70 
     71     *)
     72       targets="${targets} $1"
     73       shift
     74       ;;
     75   esac
     76 done
     77 
     78 if [ x"${goma_flag}" != x ]; then
     79   for k in CC_WRAPPER CXX_WRAPPER JAVAC_WRAPPER; do
     80     val=$(eval echo \$$k)
     81     if [ x"${val}" != x ]; then
     82       echo "Note: \$$k=${val} may confuse m2n --goma, unsetting"
     83       unset $k
     84     fi
     85   done
     86 fi
     87 
     88 kati=${kati_dir}/ckati
     89 
     90 ninja_suffix=
     91 ninja_suffix_flag=
     92 
     93 if [ x"${mmm}" != x"" ]; then
     94   mk="${mmm}/Android.mk"
     95   if [ ! -f ${mk} ]; then
     96     echo "${mk} does not exist"
     97     exit 1
     98   fi
     99 
    100   export ONE_SHOT_MAKEFILE=${mk}
    101   echo ONE_SHOT_MAKEFILE=${ONE_SHOT_MAKEFILE}
    102 
    103   ninja_suffix+=-mmm-${mmm}
    104 fi
    105 
    106 if [ x"${targets}" != x"" ]; then
    107   ninja_suffix+=-$(echo ${targets} | sed 's/ /-/')
    108 elif [ x"${mmm}" != x"" ]; then
    109   targets=all_modules
    110 fi
    111 
    112 if [ x"${ninja_suffix}" != x"" ]; then
    113   ninja_suffix=$(echo ${ninja_suffix} | sed 'y/\//_/')
    114   ninja_suffix_flag=--ninja_suffix=${ninja_suffix}
    115 fi
    116 
    117 ${kati} --ninja ${ninja_suffix_flag} --ignore_optional_include=out/%.P --ignore_dirty=out/% --use_find_emulator --detect_android_echo --detect_depfiles --gen_all_targets ${goma_flag} ${extra_flags} ${targets}
    118 
    119 echo
    120 echo ninja${ninja_suffix}.sh and build${ninja_suffix}.ninja were generated, please run ./ninja${ninja_suffix}.sh
    121