Note

This answer was written some time ago, and a longer one works with Xcode 6 and above. Please check this link for a more accurate answer to this problem.

Introduction

Including GDAL in your iOS app is a five-step process:

• Download the GDAL source code from the GDAL website.
• Run the configuration / build / install script below
• Add the resulting static library to your iOS project along with the included files
• Link to additional libraries in the iOS project
• ... GDAL OGR .

GDAL

GDAL - ++, - www.gdal.org. ​​ 1.9.0. , .

script GDAL iOS

GDAL iOS, (.a). , iOS6, :

• i386
• armv7 iPhone 3GS iPhone 4S
• armv7s iPhone 5

script 1

script, pseudogreen, .

.sh: build_gdal_ios.sh.

, script , gdal, :

• :

  `sh build_gdal_ios.sh -p "location where you want to save the resulting files" simulator`
  

• :

  `sh build_gdal_ios.sh -p "location where you want to save the resulting files" -a "architecture" device`
  

sh build_gdal_ios.sh -h, .

    #!/bin/bash
    ################################################################################
    #
    # Copyright (c) 2008-2009 Christopher J. Stawarz
    #
    # Permission is hereby granted, free of charge, to any person
    # obtaining a copy of this software and associated documentation files
    # (the "Software"), to deal in the Software without restriction,
    # including without limitation the rights to use, copy, modify, merge,
    # publish, distribute, sublicense, and/or sell copies of the Software,
    # and to permit persons to whom the Software is furnished to do so,
    # subject to the following conditions:
    #
    # The above copyright notice and this permission notice shall be
    # included in all copies or substantial portions of the Software.
    #
    # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    # NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
    # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
    # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
    # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    # SOFTWARE.
    #
    ################################################################################



    # Disallow undefined variables
    set -u


    default_gcc_version=4.2
    default_iphoneos_version=6.0
    default_macos_version=10.8
    default_architecture=armv7
    default_prefix="${HOME}/Documents/iOS_GDAL"

    GCC_VERSION="${GCC_VERSION:-$default_gcc_version}"
    export IPHONEOS_DEPLOYMENT_TARGET="${IPHONEOS_DEPLOYMENT_TARGET:-$default_iphoneos_version}"
    export MACOSX_DEPLOYMENT_TARGET="${MACOSX_DEPLOYMENT_TARGET:-$default_macos_version}"
    DEFAULT_ARCHITECTURE="${DEFAULT_ARCHITECTURE:-$default_architecture}"
    DEFAULT_PREFIX="${HOME}/Documents/iOS_GDAL"

    echo Default architecture: $DEFAULT_ARCHITECTURE

    usage ()
    {
        cat >&2 << EOF
    Usage: ${0##*/} [-ht] [-p prefix] [-a arch] target [configure_args]
        -h  Print help message
        -p  Installation prefix (default: \$HOME/Documents/iOS_GDAL...)
        -t  Use 16-bit Thumb instruction set (instead of 32-bit ARM)
        -a  Architecture target for compilation (default: armv7)

    The target must be "device" or "simulator".  Any additional arguments
    are passed to configure.

    The following environment variables affect the build process:

        GCC_VERSION (default: $default_gcc_version)
        IPHONEOS_DEPLOYMENT_TARGET  (default: $default_iphoneos_version)
        MACOSX_DEPLOYMENT_TARGET    (default: $default_macos_version)
        DEFAULT_PREFIX  (default: $default_prefix)
    EOF
    }

    prefix="${DEFAULT_PREFIX}"

    echo Prefix: $prefix

    while getopts ":hp:a:t" opt; do
        case $opt in
        h  ) usage ; exit 0 ;;
        p  ) prefix="$OPTARG" ;;
        t  ) thumb_opt=thumb ;;
        a  ) DEFAULT_ARCHITECTURE="$OPTARG" ;;
        \? ) usage ; exit 2 ;;
        esac
    done
    shift $(( $OPTIND - 1 ))

    if (( $# < 1 )); then
        usage
        exit 2
    fi

    target=$1
    shift

    case $target in

        device )
        arch="${DEFAULT_ARCHITECTURE}"
        platform=iPhoneOS
        extra_cflags="-m${thumb_opt:-no-thumb} -mthumb-interwork"
        ;;

        simulator )
        arch=i386
        platform=iPhoneSimulator
        extra_cflags="-D__IPHONE_OS_VERSION_MIN_REQUIRED=${IPHONEOS_DEPLOYMENT_TARGET%%.*}0000"
        ;;

        * )
        echo No target found!!!
        usage
        exit 2

    esac


    platform_dir="/Applications/Xcode.app/Contents/Developer/Platforms/${platform}.platform/Developer"
    platform_bin_dir="${platform_dir}/usr/llvm-gcc-${GCC_VERSION}/bin"
    platform_sdk_dir="${platform_dir}/SDKs/${platform}${IPHONEOS_DEPLOYMENT_TARGET}.sdk"
    prefix="${prefix}/${arch}/${platform}.platform/${platform}${IPHONEOS_DEPLOYMENT_TARGET}.sdk"

    echo library will be exported to $prefix

    export CC="${platform_bin_dir}/llvm-gcc-${GCC_VERSION}"
    export CFLAGS="-arch ${arch} -pipe -Os -gdwarf-2 -isysroot ${platform_sdk_dir} ${extra_cflags}"
    export LDFLAGS="-arch ${arch} -isysroot ${platform_sdk_dir}"
    export CXX="${platform_bin_dir}/llvm-g++-${GCC_VERSION}"
    export CXXFLAGS="${CFLAGS}"
    export CPP="${platform_bin_dir}/llvm-cpp-${GCC_VERSION}"
    export CXXCPP="${CPP}"


    ./configure \
        --prefix="${prefix}" \
        --host="${arch}-apple-darwin" \
        --disable-shared \
        --enable-static \
        --with-unix-stdio-64=no \
        "$@" || exit

    make install || exit

    cat >&2 << EOF

    Build succeeded!  Files were installed in

      $prefix


   EOF

, script , , SDK LLVM Apple:

• default_gcc_version = 4.2
• default_iphoneos_version = 6,0
• default_macos_version = 10,8
• default_architecture = ARMv7
• default_prefix = "$ {HOME}//GDALLibrary"

script (build_gdal_ios.sh), ... 3, .

script ( , build_gdal_all_ios.sh):

#!/bin/bash
make clean
./build_gdal_ios.sh -p ${HOME}/Documents/GDALLibrary -a armv7 device
make clean
./build_gdal_ios.sh -p ${HOME}/Documents/GDALLibrary -a armv7s device
make clean
./build_gdal_ios.sh -p ${HOME}/Documents/GDALLibrary simulator

script ${HOME}/Documents/GDALLibrary :

• ${HOME}/Documents/GDALLibrary/i386/iPhoneSimulator.platform/iPhoneSimulator6.0.sdk/lib
• ${HOME}/Documents/GDALLibrary/armv7/iPhoneOS.platform/iPhoneSimulator6.0.sdk/lib
• ${HOME}/Documents/GDALLibrary/armv7s/iPhoneOS.platform/iPhoneSimulator6.0.sdk/lib

( ), 3 :

lipo ${HOME}/Documents/GDALLibrary/i386/iPhoneSimulator.platform/iPhoneSimulator6.0.sdk/lib/libgdal.a ${HOME}/Documents/GDALLibrary/armv7/iPhoneOS.platform/iPhoneSimulator6.0.sdk/lib/libgdal.a ${HOME}/Documents/GDALLibrary/armv7s/iPhoneOS.platform/iPhoneSimulator6.0.sdk/lib/libgdal.a -output ${HOME}/Documents/GDALLibrary/libgdal.a -create

... ...

XCode

:

• Xcode (4.5) , GDAL,
• " "
• libgdal.a include (3 )
• XCode ( ):
  • libstd++. 6.0.9.dylib
  • libz.dylib
  • libiconv.dylib
  • libsqlite3.dylib
  • libxml2.dylib( Undefined armv7: "_xmlCatalogResolveSystem" ..)

. .

: ++ ( ) Objective-C. GDAL .m, XCode ++.

:

• GDAL .mm, Xcode Objective-C ++
• Objective-C, Objective-C ++ ++

- GDAL... ...