AC_PREREQ(2.59)
AC_INIT([xbmc-depends], [2.00], [http://trac.xbmc.org])
:${CFLAGS=""}
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_FILES([target/config.site native/config.site.native Makefile.include target/Toolchain.cmake])
AC_CANONICAL_HOST
m4_include([../../m4/xbmc_arch.m4])

AC_ARG_WITH([toolchain],
  [AS_HELP_STRING([--with-toolchain],
  [specify path to toolchain. Required for android. Defaults to xcode root for darwin, /usr for linux])],
  [use_toolchain=$withval])

AC_ARG_WITH([tarballs],
  [AS_HELP_STRING([--with-tarballs],
  [path where tarballs will be saved [prefix/xbmc-tarballs]])],
  [use_tarballs=$withval])

AC_ARG_WITH([cpu],
  [AS_HELP_STRING([--with-cpu],
  [optional. specify target cpu. guessed if not specified])],
  [use_cpu=$withval],use_cpu=auto)

AC_ARG_WITH([ndk],
  [AS_HELP_STRING([--with-ndk],
  [specify path to ndk (required for android only)])],
  [use_ndk=$withval])

AC_ARG_WITH([sdk-path],
  [AS_HELP_STRING([--with-sdk-path],
  [specify path to sdk (required for android only)])],
  [use_sdk_path=$withval])

AC_ARG_WITH([sdk],
  [AS_HELP_STRING([--with-sdk],
  [spcify sdk platform version (optional for android). default is android-14])],
  [use_sdk=$withval])

AC_ARG_ENABLE([gplv3],
  [AS_HELP_STRING([--enable-gplv3],
  [enable gplv3 components. default off for android, on everywhere else])],
  [use_gplv3=1], [use_gplv3=auto])


AC_CHECK_PROG(HAVE_UNZIP,unzip,"yes","no",)
if test "x$HAVE_UNZIP" = "xno" ; then
  AC_MSG_ERROR("Missing program: unzip")
fi

AC_CHECK_PROG(HAVE_ZIP,zip,"yes","no",)
if test "x$HAVE_ZIP" = "xno" ; then
  AC_MSG_ERROR("Missing program: zip")
fi

AC_PATH_PROG(CURL,curl,"no")
if test "x$CURL" = "xno" ; then
  AC_MSG_ERROR("Missing program: curl")
fi

AC_PATH_PROG(TAR,tar,"no")
if test "x$TAR" = "xno" ; then
  AC_MSG_ERROR("Missing program: tar")
fi

use_host=$host_alias

if test "x$host" = "x$build"; then
use_host=$build_cpu-$build_os
fi

deps_dir=$use_host
tool_dir=$build_cpu-$build_os-native
cross_compiling="yes"

if test "x$host" = "x$build"; then
  cross_compiling="no"
fi

passed_cflags="$CFLAGS"
passed_ldflags="$LDFLAGS"
passed_cxxflags="$CXXFLAGS"
platform_cc=gcc
platform_cxx=g++
case $host in
  arm*-*linux-android*)
    if test "x$use_cpu" = "xauto"; then
      use_cpu="armeabi-v7a"
    fi
    use_sdk="${use_sdk:-android-14}"
    deps_dir="$use_host-$use_sdk"
    platform_cflags="-DANDROID -Os -fexceptions"
    if test "x$use_cpu" = "xarmeabi-v7a"; then
      platform_cflags+=" -march=armv7-a -mtune=cortex-a9 -mfloat-abi=softfp -mfpu=neon"
    fi
    platform_ldflags="-L$prefix/$deps_dir/lib/$use_sdk"
    platform_cxxflags="$platform_cflags -frtti"
    platform_includes="-I$prefix/$deps_dir/include/$use_sdk"
    platform_os="android"
    if test "x$use_gplv3" = "xauto"; then
      use_gplv3=0
    fi
    #android builds are always cross
    cross_compiling="yes"
  ;;     
  i*86*-linux-android*)
    if test "x$use_cpu" = "xauto"; then
      use_cpu=$host_cpu
    fi
    use_sdk="${use_sdk:-android-14}"
    deps_dir="$use_host-$use_sdk"
    platform_cflags="-DANDROID -Os -fexceptions"
    platform_ldflags="-L$prefix/$deps_dir/lib/$use_sdk"
    platform_cxxflags="$platform_cflags -frtti"
    platform_includes="-I$prefix/$deps_dir/include/$use_sdk"
    platform_os="android"
    if test "x$use_gplv3" = "xauto"; then
      use_gplv3=0
    fi
    #android builds are always cross
    cross_compiling="yes"
  ;;
  arm*-*-linux-gnu*|arm*-*-linux-uclibc*)
    if test "x$use_cpu" = "xauto"; then
      use_cpu=$host_cpu
    fi
    use_toolchain="${use_toolchain:-/usr}"
    platform_cflags="-Os -fPIC -DPIC"
    platform_ldflags="-Wl,-rpath-link=$prefix/$deps_dir/lib"
    platform_cxxflags="$platform_cflags"
    platform_os="linux"
  ;;
  *i686*-linux-gnu*|i*86*-*-linux-uclibc*)
    use_cpu=$host_cpu
    use_toolchain="${use_toolchain:-/usr}"
    platform_os="linux"
  ;;
  x86_64*-linux-gnu*|x86_64-*-linux-uclibc*)
    use_cpu=$host_cpu
    use_toolchain="${use_toolchain:-/usr}"
    platform_cflags="-fPIC -DPIC"
    platform_cxxflags="$platform_cflags"
    platform_os="linux"
  ;;
  *darwin*)
    if test "x$prefix" = "xNONE"; then
      prefix=/Users/Shared/xbmc-depends
    fi
    use_tarballs="${use_tarballs:-$prefix/tarballs}"
    use_xcodepath=`xcode-select -print-path`
    use_xcodebuild=$use_xcodepath/usr/bin/xcodebuild
    use_xcode=[`$use_xcodebuild -version | grep Xcode | awk '{ print $2}'`]
    AC_MSG_RESULT(found xcodebuild at $use_xcodebuild)
    use_build_toolchain=$use_xcodepath

    #darwin builds are always cross
    cross_compiling="yes"

    platform_cflags="-std=gnu99 -no_compact_linkedit -no-cpp-precomp"
    platform_ldflags="-Wl,-search_paths_first -no_compact_linkedit"
    platform_cxxflags="-no_compact_linkedit -no-cpp-precomp"

    case $use_xcode in
      3.*.*)
        platform_cc=gcc-4.2
        platform_cxx=g++-4.2
        ;;
      4.* | 4.*.*)
        platform_cc=llvm-gcc-4.2
        platform_cxx=llvm-g++-4.2
        ;; 
      *)
        platform_cc=clang
        platform_cxx=clang++
        platform_cflags="-fheinous-gnu-extensions -no-cpp-precomp -no-integrated-as"
        platform_ldflags="-Wl,-search_paths_first"
        platform_cxxflags="-no-cpp-precomp"
        ;;
    esac
    case $host in
      *86*-apple-darwin)
        found_sdk_version=[`$use_xcodebuild -showsdks | grep macosx | sort |  tail -n 1 | grep -oE 'macosx[0-9.0-9]+' | cut -c 7-$NF`]
        case $use_xcode in
          5.* | 5.*.* )
            use_toolchain="${use_xcodepath}/Toolchains/XcodeDefault.xctoolchain"
            ;;
          *)
            use_toolchain="${use_toolchain:-$use_xcodepath}"
            ;;
        esac
        use_sdk="${use_sdk:-$found_sdk_version}"
        if test "$use_cpu" = "armv7"; then
          AC_MSG_ERROR(error in configure of --with-arch=$use_cpu)
        fi
        case $use_sdk in
          10.5);;
          10.6);;
          10.7);;
          10.8);;
          10.9);;
          *)
            AC_MSG_ERROR(error in configure of --with-sdk=$use_sdk)
        esac
        sdk_name=macosx$use_sdk
        use_sdk_path=[`$use_xcodebuild -version -sdk $sdk_name Path`]

        case $host in
          x86_64-apple-darwin*)
            if test "x$use_cpu" = "xauto"; then
              use_cpu=x86_64
            fi
          ;;
          i*86-apple-darwin*)
            if test "x$use_cpu" = "xauto"; then
              use_cpu=i386
            fi
          ;;
          *)
            AC_MSG_ERROR(error in configure of --with-arch=$use_cpu)
        esac
        platform_os="osx"
        platform_min_version=macosx-version-min=10.6
      ;;

      arm-apple-darwin*)
        if test "x$use_cpu" = "xauto"; then
          use_cpu=armv7
        fi
        if test "$use_cpu" != "armv7"; then
          AC_MSG_ERROR(error in configure of --with-arch=$use_cpu)
        fi
        platform_min_version="iphoneos-version-min=4.2"
        found_sdk_version=[`$use_xcodebuild -showsdks | grep iphoneos | sort | tail -n 1 | awk '{ print $2}'`]
        use_sdk="${use_sdk:-$found_sdk_version}"
        sdk_name=iphoneos$use_sdk
        case $use_xcode in
          5.* | 5.*.* )
            use_toolchain="${use_xcodepath}/Toolchains/XcodeDefault.xctoolchain"
            ;;
          *)
            use_toolchain="${use_toolchain:-`$use_xcodebuild -version -sdk $sdk_name PlatformPath`/Developer}"
            ;;
        esac
        
	case $use_sdk in
          4.*);;
          5.*);;
          6.*);;
          7.*);;
            *)
              AC_MSG_ERROR(error in configure of --with-sdk=$use_sdk)
            ;;
        esac
        use_sdk_path=[`$use_xcodebuild -version -sdk $sdk_name | grep ^Path | awk '{ print $2}'`]
        platform_os="ios"
        tmp_flags="-mcpu=cortex-a8 -mfpu=neon -ftree-vectorize -mfloat-abi=softfp -pipe -Wno-trigraphs -fpascal-strings -O3 -Wreturn-type -Wunused-variable -fmessage-length=0 -gdwarf-2"
        platform_cflags+=" $tmp_flags"
        platform_ldflags+=" -L$use_sdk_path/usr/lib/system"
        platform_cxxflags+=" $tmp_flags"
      ;;
    esac
    platform_cflags+=" -arch $use_cpu -m$platform_min_version"
    platform_ldflags+=" -arch $use_cpu -m$platform_min_version -isysroot $use_sdk_path"
    platform_cxxflags+=" -arch $use_cpu -m$platform_min_version"
    platform_includes="-isysroot $use_sdk_path"
    deps_dir=$sdk_name"_"$use_cpu-target
    tool_dir=buildtools-native;
  ;;
  *)
    AC_MSG_ERROR(unsupported host ($use_host))
esac

XBMC_SETUP_ARCH_DEFINES()

platform_cflags+=" $passed_cflags"
platform_ldflags+=" $passed_ldflags $LIBS"
platform_cxxflags+=" $passed_cxxflags"

if test -n $use_build_toolchain; then
  PATH_FOR_HOST=$use_toolchain:$use_toolchain/usr/bin:$use_toolchain/bin:$PATH
else
  PATH_FOR_HOST=$PATH
fi
if test -n $use_build_toolchain; then
  PATH_FOR_BUILD=$use_build_toolchain:$use_build_toolchain/usr/bin:$use_toolchain/bin:$PATH
else
  PATH_FOR_BUILD=$PATH
fi

AC_PATH_TOOL([RANLIB], [ranlib],, $PATH_FOR_HOST)
AC_PATH_TOOL([LD], [ld],, $PATH_FOR_HOST)
AC_PATH_TOOL([AR], [ar],, $PATH_FOR_HOST)
AC_PATH_TOOL([READELF], [readelf],, $PATH_FOR_HOST)
AC_PATH_TOOL([STRIP], [strip],, $PATH_FOR_HOST)
AC_PATH_TOOL([AS], [as],, $PATH_FOR_HOST)
AC_PATH_TOOL([NM], [nm],, $PATH_FOR_HOST)
AC_PATH_TOOL([OBJDUMP], [objdump],, $PATH_FOR_HOST)
AC_PATH_TOOL([CC],[$platform_cc],,$PATH_FOR_HOST)
AC_PATH_TOOL([CXX],[$platform_cxx],,$PATH_FOR_HOST)
AC_PROG_CPP

AC_PATH_PROG([RANLIB_FOR_BUILD], [ranlib], ranlib, $PATH_FOR_BUILD)
AC_PATH_PROG([LD_FOR_BUILD], [ld], ld, $PATH_FOR_BUILD)
AC_PATH_PROG([AR_FOR_BUILD], [ar], ar, $PATH_FOR_BUILD)
AC_PATH_PROG([READELF_FOR_BUILD], [readelf], readelf, $PATH_FOR_BUILD)
AC_PATH_PROG([STRIP_FOR_BUILD], [strip], strip, $PATH_FOR_BUILD)
AC_PATH_PROG([AS_FOR_BUILD], [as], as, $PATH_FOR_BUILD)
AC_PATH_PROG([NM_FOR_BUILD], [nm], nm, $PATH_FOR_BUILD)
AC_PATH_PROG([OBJDUMP_FOR_BUILD], [objdump], objdump, $PATH_FOR_BUILD)
AC_PATH_PROG([CC_FOR_BUILD],[gcc llvm-gcc $platform_cc], gcc, $PATH_FOR_BUILD)
AC_PATH_PROG([CXX_FOR_BUILD],[g++ llvm-g++ $platform_cxx], g++, $PATH_FOR_BUILD)

AC_CHECK_LIB([z],   [main], has_zlib=1, AC_MSG_WARN("No zlib support in toolchain. Will build libz."); has_zlib=0)
AC_SEARCH_LIBS([iconv_open],iconv, link_iconv=$ac_cv_search_iconv_open, link_iconv=-liconv; AC_MSG_WARN("No iconv support in toolchain. Will build libiconv."); need_libiconv=1)
AC_TRY_LINK([#include <locale.h>],[struct lconv* test=localeconv();], has_localeconv=yes, AC_MSG_WARN("No localeconv support in toolchain. Using replacement."); has_localeconv=no)
AC_CHECK_LIB([crystax],   [main], has_libcrystax=1, has_libcrystax=0)

if test "x$use_gplv3" = "xauto"; then
  use_gplv3=1
fi

if test "$link_iconv" = "none required"; then
  link_iconv=
fi

if test "x$prefix" = "xNONE"; then
  AC_MSG_ERROR([No prefix path defined. Use for ex: --prefix=/opt/xbmc-depends]);
fi

if test -z $use_tarballs; then
  use_tarballs=$prefix/xbmc-tarballs
fi

if test "$platform_os" == "android"; then
  if test -z $use_ndk; then
    AC_MSG_ERROR("NDK path is required for android")
  fi

  if test -z $use_sdk_path; then
    AC_MSG_ERROR("SDK path is required for android")
  fi

  if [ ! test -f $use_sdk_path/tools/zipalign ]; then
    AC_MSG_ERROR(verify sdk path)
  fi

  if [ ! test -f $use_ndk/sources/android/native_app_glue/android_native_app_glue.h ]; then
    AC_MSG_ERROR(verify ndk path)
  fi
fi

# Some dumb checks to see if paths might be correct.
if [ ! `mkdir -p $prefix/$deps_dir/include` ]; then
  AC_MSG_ERROR(unable to create $prefix/$deps_dir/include. verify that the path and permissions are correct.)
fi

if [ ! `mkdir -p $prefix/$deps_dir/lib` ]; then
  AC_MSG_ERROR(unable to create $prefix/$deps_dir/lib. verify that the path and permissions are correct.)
fi

if [ ! `mkdir -p $prefix/$deps_dir/share` ]; then
  AC_MSG_ERROR(unable to create $prefix/$deps_dir/share. verify that the path and permissions are correct.)
fi

if [ ! `mkdir -p $prefix/$tool_dir/include` ]; then
  AC_MSG_ERROR(unable to create $prefix/$tool_dir/include. verify that the path and permissions are correct.)
fi

if [ ! `mkdir -p $prefix/$tool_dir/lib` ]; then
  AC_MSG_ERROR(unable to create $prefix/$tool_dir/lib. verify that the path and permissions are correct.)
fi

if [ ! `mkdir -p $prefix/$tool_dir/share` ]; then
  AC_MSG_ERROR(unable to create $prefix/$tool_dir/share. verify that the path and permissions are correct.)
fi

if [ ! `mkdir -p $prefix/$tool_dir/bin` ]; then
  AC_MSG_ERROR(unable to create $prefix/$tool_dir/share. verify that the path and permissions are correct.)
fi

if [ ! `mkdir -p $use_tarballs` ]; then
  AC_MSG_ERROR(unable to create tarballs dir. verify that the path and permissions are correct.)
fi

if test "$platform_os" == "android"; then
  echo

  if [ ! `mkdir -p $prefix/$deps_dir/include/$use_sdk` ]; then
    AC_MSG_ERROR(unable to create $prefix/$deps_dir/include/$use_sdk. verify that the path and permissions are correct.)
  fi

  if [ ! `mkdir -p $prefix/$deps_dir/lib/$use_sdk` ]; then
    AC_MSG_ERROR(unable to create $prefix/$deps_dir/lib/$use_sdk. verify that the path and permissions are correct.)
  fi
fi

if test "$platform_os" == "android"; then
echo -e
  AC_SUBST(use_sdk_path)
  AC_SUBST(use_ndk)
  AC_SUBST(use_sdk)
fi

AC_SUBST(use_host)
AC_SUBST(deps_dir)
AC_SUBST(tool_dir)
AC_SUBST(use_cpu)
AC_SUBST(use_toolchain)
AC_SUBST(use_build_toolchain)
AC_SUBST(use_tarballs)
AC_SUBST(cross_compiling)
AC_SUBST(platform_cflags)
AC_SUBST(platform_cxxflags)
AC_SUBST(platform_ldflags)
AC_SUBST(platform_includes)
AC_SUBST(platform_os)
AC_SUBST(has_zlib)
AC_SUBST(link_iconv)
AC_SUBST(need_libiconv)
AC_SUBST(use_gplv3)
AC_SUBST(has_libcrystax)
AC_SUBST(use_xcode)

AC_OUTPUT
echo -e "toolchain:\t $use_toolchain"
echo -e "cpu:\t\t $use_cpu"
echo -e "host:\t\t $use_host"
if test "$platform_os" == "android"; then
  echo -e "sdk-platform:\t $use_sdk"
fi

if test "$platform_os" == "ios"; then
  simulator_sdk_path=[`$use_xcodebuild -version -sdk iphonesimulator$use_sdk | grep ^Path | awk '{ print $2}'`]
  cp -vf $simulator_sdk_path/usr/include/crt_externs.h $prefix/$deps_dir/include
fi

if test "x$has_localeconv" == "xno" && test "$platform_os" == "android"; then
  cp -vf target/android-libc-replacements/locale.h $prefix/$deps_dir/include/
fi

cp -vf target/config.site $prefix/$deps_dir/share
cp -vf target/Toolchain.cmake $prefix/$deps_dir/share
cp -vf native/config.site.native $prefix/$tool_dir/share/config.site