make/xcodemake

   1 #!/bin/bash
   2 #
   3
   4 set -e
   5
   6 ## This script is initiated by either xcodebuild or Xcode.app.
   7 ##
   8 ## We must guarantee no jobserver is passed through since file-descriptors are
   9 ## clobbered by Xcode. If this is not done then make allows unlimited jobs.
  10 ##
  11 MAKEFLAGS=
  12 MFLAGS=
  13
  14 ## validate environment
  15 case "$EXTERNAL_DRIVER" in
  16 bootstrap) ;; ## bootstrapping from terminal
  17 terminal)  ;; ## building from terminal
  18 xcode)     ;; ## building from Xcode.app
  19 *)
  20     echo "ERROR: unexpected value for EXTERNAL_DRIVER: $EXTERNAL_DRIVER"
  21     exit 1
  22     ;;
  23 esac
  24
  25 ## validate environment
  26 for name in EXTERNAL_BUILD EXTERNAL_JOBS EXTERNAL_SRC; do
  27     eval v="\$$name"
  28     if [ -z "$v" ]; then
  29         echo "ERROR: missing value for $name"
  30         exit 1
  31     fi
  32 done
  33
  34 ## validate environment
  35 archcount=`echo $ARCHS | awk '{ print NF }'`
  36 if [ "$archcount" -ne 1 ]; then
  37     echo "*********************************************************************"
  38     echo "***"
  39     echo "*** ERROR: multiple architectures: $ARCHS"
  40     echo "***"
  41     echo "*** This build system does not support more than one (1)"
  42     echo "*** simultaneous architecture setting."
  43     echo "***"
  44     echo "*********************************************************************"
  45     exit 1
  46 fi
  47
  48 exit_post_log=0
  49
  50 ## compute goals; these correlate with TARGET_NAME and ACTION from Xcode
  51 spec="$TARGET_NAME:$ACTION"
  52 echo "target specification: $spec"
  53 case "$spec" in
  54     external:clean)
  55         if [ "$EXTERNAL_DRIVER" == "xcode" ]; then
  56             ## driving build from Xcode.app do pristine clean
  57             if [ -z "$EXTERNAL_BUILD" ]; then
  58                 echo "ERROR: unsafe rm -fr would result because EXTERNAL_BUILD is not defined"
  59                 exit 1
  60             fi
  61             if [ -d "$EXTERNAL_BUILD" ]; then
  62                 cmd="/bin/rm -fr $EXTERNAL_BUILD/*"
  63                 echo "$cmd"
  64                 $cmd
  65                 [ $? -ne 0 ] && exit 1
  66                 exit_post_log=1
  67             else
  68                 echo "already clean"
  69             fi
  70         else
  71             ## driving build from xcodebuild do xclean, preserving configuration
  72             goals=xclean
  73         fi
  74         ;;
  75     external:*)
  76         if [ -z "$EXTERNAL_GOALS" ]; then
  77             goals=build
  78         else
  79             goals="$EXTERNAL_GOALS"
  80         fi
  81         ;;
  82     *)
  83         echo "ERROR: unexpected env specification: $spec"
  84         exit 1
  85         ;;
  86 esac
  87
  88 ## compute if re/configure necessary
  89 if [ ! -f $EXTERNAL_BUILD/GNUmakefile ]; then
  90     reconfigure="no configuration present"
  91 elif [ $EXTERNAL_SRC/make/configure.py -nt $EXTERNAL_BUILD/GNUmakefile ]; then
  92     reconfigure="configure script was updated"
  93 elif [ $EXTERNAL_DRIVER == "bootstrap" ]; then
  94     reconfigure="driver bootstrap"
  95 else
  96     reconfigure=
  97 fi
  98
  99 ## perform re/configure
 100 if [ -n "$reconfigure" ]; then
 101     echo "reconfiguring ($reconfigure)"
 102
 103     if [ "$EXTERNAL_DRIVER" == "bootstrap" ]; then
 104         driver="--xcode-driver=terminal"
 105     else
 106         driver="--xcode-driver=$EXTERNAL_DRIVER"
 107     fi
 108
 109     ## determine which compiler to use based on Xcode environment (project).
 110     case "$GCC_VERSION" in
 111     com.apple.compilers.llvmgcc42)
 112         gcc="--gcc=`$DEVELOPER_BIN_DIR/xcodebuild -find-executable llvm-gcc-4.2`"
 113         ;;
 114     com.apple.compilers.llvm.clang.1_0)
 115         gcc="--gcc=`$DEVELOPER_BIN_DIR/xcodebuild -find-executable clang`"
 116         ;;
 117     *)
 118         echo "*********************************************************************"
 119         echo "***"
 120         echo "*** ERROR: unexpected value for GCC_VERSION: $GCC_VERSION"
 121         echo "***"
 122         echo "*********************************************************************"
 123         exit 1
 124         ;;
 125     esac
 126
 127     if [ -n "$ARCHS" ]; then
 128         arch="--arch=$ARCHS"
 129     else
 130         arch=
 131     fi
 132
 133     case "$CONFIGURATION" in
 134     debug*)
 135         debug="--debug=std --optimize=none"
 136         ;;
 137     release*|*)
 138         debug=
 139         ;;
 140     esac
 141
 142     if [ -n "$SDKROOT" ]; then
 143         sysroot="--sysroot=$SDKROOT"
 144     else
 145         sysroot=
 146     fi
 147
 148     if [ -n "$MACOSX_DEPLOYMENT_TARGET" ]; then
 149         minver="--minver=$MACOSX_DEPLOYMENT_TARGET"
 150     else
 151         minver=
 152     fi
 153
 154     ## pickup user setting from Xcode IDE and avoid recursion
 155     if [ -n "$EXTERNAL_CONFIGURE" ]; then
 156         extconf="$EXTERNAL_CONFIGURE"
 157     else
 158         extconf=
 159     fi
 160     EXTERNAL_CONFIGURE=
 161
 162     ## invoke configure with (hidden) option which indicates conf performed by xcode
 163     (set -ex; $EXTERNAL_SRC/configure --force \
 164         $EXTERNAL_CONF_ARGS \
 165         --build="$EXTERNAL_BUILD" \
 166         $driver \
 167         --xcode-symroot="$SYMROOT" \
 168         --xcode-config="$EXTERNAL_XCCONFIG" \
 169         $gcc $arch $debug $sysroot $minver $extconf)
 170     [ $? -ne 0 ] && exit 1
 171 fi
 172
 173 ## log environment as provided by Xcode
 174 logdir=$EXTERNAL_BUILD/log
 175 if [ ! -d $logdir ]; then
 176     mkdir -p $logdir
 177 fi
 178 env | sort > $logdir/xcodemake.env.txt
 179
 180 [ $exit_post_log -ne 0 ] && exit 0
 181
 182 ## safeguard against passing blank value which would result in unlimited jobs
 183 if [ -z "$EXTERNAL_JOBS" ]; then
 184     jobs=
 185 elif [ "$EXTERNAL_JOBS" == "auto" ]; then
 186     jobs=--jobs=`sysctl -n hw.activecpu`
 187 else
 188     jobs=--jobs=$EXTERNAL_JOBS
 189 fi
 190
 191 ## when driving from terminal; ensure $SYMROOT/external/ exists relative to SYMROOT
 192 if [ "$EXTERNAL_DRIVER" == "terminal" -a ! -e "$SYMROOT/external" ]; then
 193     ln -s "$EXTERNAL_BUILD" "$SYMROOT/external"
 194 fi
 195
 196 ## pull the trigger
 197 ## must set XCODE.driver to prevent inifinite recursion
 198 set -x
 199 exec make -C $EXTERNAL_BUILD XCODE.driver=xcodemake $jobs $goals $EXTERNAL_VARS