idz_configure

#!/bin/bash

IDZ_SAVE_DIR=`pwd`
IDZ_SCRIPT_NAME=`basename $0`

# Print usage information and exit
idz_usage()
{
  cd $IDZ_SAVE_DIR
  echo "Usage: $IDZ_SCRIPT_NAME arch sdk_version configure_path"
  echo "  Where arch is one of i386, x86_64, armv7, armv7s, arm64"
  exit 1
}

# Print error message and exit
idz_error()
{
  cd $IDZ_SAVE_DIR
  echo $1
  exit 1
}

# Test if the last command failed and call idz_error if appropriate
idz_check_error()
{
  if [ $? -ne 0 ] ; then
    idz_error $1
  fi
}

# Print usage if too few arguments
if [ $# -lt 3 ] ; then 
  idz_usage
fi

# Transfer arguments to more meaningful names
IDZ_ARCH=$1
IDZ_SDK_VERSION=$2
IDZ_CONFIGURE=$3

# IDZ_PLATFORM and IDZ_HOST only depend on IDZ_ARCH
case $IDZ_ARCH in 
  i386 | x86_64 )
    IDZ_PLATFORM=iPhoneSimulator
    IDZ_HOST=$IDZ_ARCH-apple-darwin10 
    IDZ_SDK_PLATFORM=iphonesimulator
    IDZ_IOS_VERSION=ios-simulator-version-min=7.0
    ;;
  armv6 | armv7 | armv7s | arm64 )
    IDZ_PLATFORM=iPhoneOS 
    IDZ_HOST=arm-apple-darwin10
    IDZ_SDK_PLATFORM=iphoneos
    IDZ_IOS_VERSION=iphoneos-version-min=7.0
    ;;
  * )
    echo "Unrecognised architecture $IDZ_ARCH" 
    idz_usage
    ;;
esac

# Convert a possible relative path to configure to an absolute path
case $IDZ_CONFIGURE in
  /* )
    ;;
  * )
    IDZ_CONFIGURE=`pwd`/$IDZ_CONFIGURE
    ;;
esac
    
# Derive the environment variables
IDZ_XCODE_ROOT=`xcode-select -print-path`
IDZ_PLATFORM_PATH=$IDZ_XCODE_ROOT/Platforms/$IDZ_PLATFORM.platform/Developer
IDZ_SDK_PATH=$IDZ_PLATFORM_PATH/SDKs/$IDZ_PLATFORM$IDZ_SDK_VERSION.sdk
IDZ_FLAGS="-isysroot $IDZ_SDK_PATH -arch $IDZ_ARCH -m$IDZ_IOS_VERSION -fembed-bitcode"
IDZ_PLATFORM_BIN_PATH=$IDZ_PLATFORM_PATH/usr/bin

CC=`xcrun -sdk $IDZ_SDK_PLATFORM$IDZ_SDK_VERSION -find clang`
CXX=`xcrun -sdk $IDZ_SDK_PLATFORM$IDZ_SDK_VERSION -find clang++`

CFLAGS=$IDZ_FLAGS
CXXFLAGS=$IDZ_FLAGS
LDFLAGS=$IDZ_FLAGS
export CC CXX CFLAGS CXXFLAGS LDFLAGS

# Derive the command line arguments
IDZ_PREFIX=$IDZ_SAVE_DIR/install-$IDZ_PLATFORM-$IDZ_ARCH
IDZ_CONFIGURE_FLAGS="--host=$IDZ_HOST \
		     --prefix=$IDZ_PREFIX \
		     --disable-shared \
                     $IDZ_EXTRA_CONFIGURE_FLAGS"

IDZ_BUILD=$IDZ_SAVE_DIR/build-$IDZ_PLATFORM-$IDZ_ARCH
mkdir -p $IDZ_BUILD
cd $IDZ_BUILD
IDZ_SAVE_DIR=$IDZ_BUILD

echo "IDZ_CONFIGURE_FLAGS=$IDZ_CONFIGURE_FLAGS"

$IDZ_CONFIGURE $IDZ_CONFIGURE_FLAGS | tee configure_$IDZ_ARCH.log 2>&1
make clean | tee make_clean_$IDZ_ARCH.log 2>&1
idz_check_error "Make clean failed."
make | tee make_$IDZ_ARCH.log 2>&1
idz_check_error "Build failed."
make install | tee make_install_$IDZ_ARCH.log 2>&1
idz_check_error "Install failed."

cd $IDZ_SAVE_DIR