utils/extract-headers.sh

   1 #! /bin/sh
   2
   3 ANDROID_ROOT=$1
   4 HEADERPATH=$2
   5 MAJOR=$3
   6 MINOR=$4
   7
   8 PATCH=$5
   9 PATCH2=$6
  10 PATCH3=$7
  11
  12 if [ x$ANDROID_ROOT = x -o "x$HEADERPATH" = x ]; then
  13     echo "Syntax: extract-headers.sh ANDROID_ROOT HEADERPATH [MAJOR] [MINOR] [PATCH] [PATCH2] [PATCH3]"
  14     exit 1
  15 fi
  16
  17
  18 if [ x$MAJOR = x -o x$MINOR = x -o x$PATCH = x ]; then
  19     VERSION_DEFAULTS=$ANDROID_ROOT/build/core/version_defaults.mk
  20
  21     parse_defaults_failed() {
  22         echo "Error: Cannot read PLATFORM_VERSION from ${VERSION_DEFAULTS}."
  23         echo "Please specify MAJOR, MINOR and PATCH manually to continue."
  24         exit 1
  25     }
  26
  27     if [ ! -f $VERSION_DEFAULTS ]; then
  28         parse_defaults_failed
  29     fi
  30
  31     PLATFORM_VERSION=$(egrep -o "PLATFORM_VERSION := [0-9.]+" $VERSION_DEFAULTS | awk '{ print $3 }')
  32     if [ x$PLATFORM_VERSION = x ]; then
  33         parse_defaults_failed
  34     fi
  35
  36     MAJOR=$(echo $PLATFORM_VERSION | cut -d. -f1)
  37     MINOR=$(echo $PLATFORM_VERSION | cut -d. -f2)
  38     PATCH=$(echo $PLATFORM_VERSION | cut -d. -f3)
  39     PATCH2=$(echo $PLATFORM_VERSION | cut -d. -f4)
  40     PATCH3=$(echo $PLATFORM_VERSION | cut -d. -f5)
  41
  42     if [ x$MAJOR = x -o x$MINOR = x -o x$PATCH = x ]; then
  43         parse_defaults_failed
  44     fi
  45
  46     echo -n "Auto-detected version: ${MAJOR}.${MINOR}.${PATCH}"
  47     if [ x$PATCH3 != x ]; then
  48         echo ".${PATCH2}.${PATCH3}"
  49     elif [ x$PATCH2 != x ]; then
  50         echo ".${PATCH2}"
  51     else
  52         echo ""
  53     fi
  54 fi
  55
  56 require_sources() {
  57     # require_sources [FILE|DIR] ...
  58     # Check if the given paths exist in the Android source
  59     while [ $# -gt 0 ]; do
  60         SOURCE_PATH=$ANDROID_ROOT/$1
  61         shift
  62
  63         if [ ! -e "$SOURCE_PATH" ]; then
  64             echo "Cannot extract headers: '$SOURCE_PATH' does not exist."
  65             exit 1
  66         fi
  67     done
  68 }
  69
  70 extract_headers_to() {
  71     # extract_headers_to <TARGET> [FILE|DIR] ...
  72     # For each FILE argument, copy it to TARGET
  73     # For each DIR argument, copy all its contents to TARGET
  74     TARGET_DIRECTORY=$HEADERPATH/$1
  75     if [ ! -d "$TARGET_DIRECTORY" ]; then
  76         mkdir -p "$TARGET_DIRECTORY"
  77     fi
  78     echo "  $1"
  79     shift
  80
  81     while [ $# -gt 0 ]; do
  82         SOURCE_PATH=$ANDROID_ROOT/$1
  83         if [ -d $SOURCE_PATH ]; then
  84             for file in $SOURCE_PATH/*; do
  85                 echo "    $1/$(basename $file)"
  86                 cp $file $TARGET_DIRECTORY/
  87             done
  88         else
  89             echo "    $1"
  90             cp $SOURCE_PATH $TARGET_DIRECTORY/
  91         fi
  92         shift
  93     done
  94 }
  95
  96 check_header_exists() {
  97     # check_header_exists <FILENAME>
  98     HEADER_FILE=$ANDROID_ROOT/$1
  99     if [ ! -e "$HEADER_FILE" ]; then
 100         return 1
 101     fi
 102
 103     return 0
 104 }
 105
 106
 107 # Make sure that the dir given contains at least some of the assumed structures.
 108 require_sources \
 109     hardware/libhardware/include/hardware
 110
 111 mkdir -p $HEADERPATH
 112
 113 if [ x$PATCH2 = x ]; then
 114     PATCH2=0
 115 fi
 116
 117 if [ x$PATCH3 = x ]; then
 118     PATCH3=0
 119 fi
 120
 121 cat > $HEADERPATH/android-version.h << EOF
 122 #ifndef ANDROID_VERSION_H_
 123 #define ANDROID_VERSION_H_
 124
 125 #define ANDROID_VERSION_MAJOR $MAJOR
 126 #define ANDROID_VERSION_MINOR $MINOR
 127 #define ANDROID_VERSION_PATCH $PATCH
 128 #define ANDROID_VERSION_PATCH2 $PATCH2
 129 #define ANDROID_VERSION_PATCH3 $PATCH3
 130
 131 #endif
 132 EOF
 133
 134 extract_headers_to hardware \
 135     hardware/libhardware/include/hardware
 136
 137 extract_headers_to hardware_legacy \
 138     hardware/libhardware_legacy/include/hardware_legacy/audio_policy_conf.h
 139
 140 extract_headers_to cutils \
 141     system/core/include/cutils
 142
 143 extract_headers_to system \
 144     system/core/include/system
 145
 146 extract_headers_to android \
 147     system/core/include/android
 148
 149 check_header_exists external/kernel-headers/original/linux/sync.h && \
 150     extract_headers_to linux \
 151         external/kernel-headers/original/linux/sync.h \
 152         external/kernel-headers/original/linux/sw_sync.h
 153
 154 check_header_exists system/core/include/sync/sync.h && \
 155     extract_headers_to sync \
 156         system/core/include/sync
 157
 158 check_header_exists external/libnfc-nxp/inc/phNfcConfig.h && \
 159     extract_headers_to libnfc-nxp \
 160         external/libnfc-nxp/inc \
 161         external/libnfc-nxp/src
 162
 163 extract_headers_to private \
 164     system/core/include/private/android_filesystem_config.h
 165
 166
 167 # In order to make it easier to trace back the origins of headers, fetch
 168 # some repository information from the Git source tree (if available).
 169 # Tested with AOSP and CM.
 170 NOW=$(LC_ALL=C date)
 171
 172 # Add here all sub-projects of AOSP/CM from which headers are extracted
 173 GIT_PROJECTS="
 174     hardware/libhardware
 175     hardware/libhardware_legacy
 176     system/core
 177     external/kernel-headers
 178     external/libnfc-nxp
 179 "
 180
 181 echo "Extracting Git revision information"
 182 rm -f $HEADERPATH/SOURCE_GIT_REVISION_INFO
 183 (for GIT_PROJECT in $GIT_PROJECTS; do
 184     TARGET_DIR=$ANDROID_ROOT/$GIT_PROJECT
 185     echo "================================================"
 186     echo "$GIT_PROJECT @ $NOW"
 187     echo "================================================"
 188     if [ -e $TARGET_DIR/.git ]; then
 189         (
 190         set -x
 191         cd $ANDROID_ROOT
 192         repo status $GIT_PROJECT
 193         cd $TARGET_DIR
 194         git show-ref --head
 195         git remote -v
 196         )
 197         echo ""
 198         echo ""
 199     else
 200         echo "WARNING: $GIT_PROJECT does not contain a Git repository"
 201     fi
 202 done) > $HEADERPATH/git-revisions.txt 2>&1
 203
 204 # Repo manifest that can be used to fetch the sources for re-extracting headers
 205 if [ -e $ANDROID_ROOT/.repo/manifest.xml ]; then
 206     cp $ANDROID_ROOT/.repo/manifest.xml $HEADERPATH/
 207 fi
 208
 209 exit 0