qt5base-lts/configure

#!/bin/sh
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Copyright (C) 2016 Intel Corporation.
## Contact: https://www.qt.io/licensing/
##
## This file is the build configuration utility of the Qt Toolkit.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################

#-------------------------------------------------------------------------------
# script initialization
#-------------------------------------------------------------------------------

# the name of this script
relconf=`basename $0`
# the directory of this script is the "source tree"
relpath=`dirname $0`
relpath=`(cd "$relpath"; /bin/pwd)`
# the current directory is the "build tree" or "object tree"
outpath=`/bin/pwd`

# where to find which..
unixtests="$relpath/config.tests/unix"
WHICH="$unixtests/which.test"

PERL=`$WHICH perl 2>/dev/null`

# find out which awk we want to use, prefer gawk, then nawk, then regular awk
AWK=
for e in gawk nawk awk; do
    if "$WHICH" $e >/dev/null 2>&1 && ( $e -f /dev/null /dev/null ) >/dev/null 2>&1; then
        AWK=$e
        break
    fi
done

# find a make command
if [ -z "$MAKE" ]; then
    MAKE=
    for mk in gmake make; do
        if "$WHICH" $mk >/dev/null 2>&1; then
            MAKE=`"$WHICH" $mk`
            break
        fi
    done
    if [ -z "$MAKE" ]; then
        echo >&2 "You don't seem to have 'make' or 'gmake' in your PATH."
        echo >&2 "Cannot proceed."
        exit 1
    fi
    # export MAKE, we need it later in the config.tests
    export MAKE
fi

# do this early so we don't store it in config.status
CFG_TOPLEVEL=
relpathMangled=$relpath
outpathPrefix=
if [ x"$1" = x"-top-level" ]; then
    CFG_TOPLEVEL=yes
    relpathMangled=`dirname "$relpath"`
    outpathPrefix=../
    shift
fi

CFG_REDO=no
OPT_CMDLINE=  # excluding -verbose (for config.opt)
QMAKE_CMDLINE=  # including -verbose (for actual parsing)
set -f  # suppress globbing in for loop
SAVED_IFS=$IFS
IFS='
'
for i in "$@"; do
    case $i in
        -redo|--redo)
            optfile=${outpathPrefix}config.opt
            if test -n "$CFG_TOPLEVEL" && ! test -f $optfile; then
                optfile=config.opt
            fi
            if ! test -f $optfile; then
                echo >&2 "No config.opt present - cannot redo configuration."
                exit 1
            fi
            for a in `cat $optfile`; do
                OPT_CMDLINE="$OPT_CMDLINE
$a"
                QMAKE_CMDLINE="$QMAKE_CMDLINE
$a"
            done
            CFG_REDO=yes  # suppress repeated config.opt writeout
            continue
            ;;
        -v|-verbose|--verbose|-no-v|-no-verbose|--no-verbose)
            ;;
        *)
            OPT_CMDLINE="$OPT_CMDLINE
$i"
            ;;
    esac
    QMAKE_CMDLINE="$QMAKE_CMDLINE
$i"
done
set --
for i in $QMAKE_CMDLINE; do
    set -- "$@" "$i"
done
set +f
IFS=$SAVED_IFS

# initialize global variables
DEVICE_VARS_FILE=.device.vars
HOST_VARS_FILE=.host.vars

:> "$DEVICE_VARS_FILE"
:> "$HOST_VARS_FILE"

#-------------------------------------------------------------------------------
# utility functions
#-------------------------------------------------------------------------------

makeabs()
{
    local FILE="$1"
    local RES="$FILE"
    if [ -z "${FILE##/*}" ]; then
        true
    elif [ "$OSTYPE" = "msys" -a -z "${FILE##[a-zA-Z]:[/\\]*}" ]; then
        true
    else
        RES=$PWD/$FILE
    fi
    RES=$RES/
    while true; do
        nres=`echo "$RES" | sed 's,/[^/][^/]*/\.\./,/,g; s,/\./,/,g'`
        test x"$nres" = x"$RES" && break
        RES=$nres
    done
    echo "$RES" | sed 's,//,/,g; s,/$,,'
}

# Helper function for getQMakeConf. It parses include statements in
# qmake.conf and prints out the expanded file
expandQMakeConf()
{
    while read line; do case "$line" in
        include*)
            inc_file=`echo "$line" | sed -n -e '/^include.*(.*)/s/include.*(\(.*\)).*$/\1/p'`
	    current_dir=`dirname "$1"`
	    conf_file="$current_dir/$inc_file"
	    if [ ! -f  "$conf_file" ]; then
                echo "WARNING: Unable to find file $conf_file" >&2
                continue
            fi
            expandQMakeConf "$conf_file" "$2"
        ;;
        *load\(device_config\)*)
            conf_file="$2"
            if [ ! -f  "$conf_file" ]; then
                echo "WARNING: Unable to find file $conf_file" >&2
                continue
            fi
            expandQMakeConf "$conf_file" "$2"
        ;;
        *)
            echo "$line"
        ;;
    esac; done < "$1"
}

extractQMakeVariables()
{
    LC_ALL=C $AWK '
BEGIN {
    values["LITERAL_WHITESPACE"] = " "
    values["LITERAL_DOLLAR"] = "$"
}
/^!?host_build:/ {
    scopeStart = index($0, ":") + 1
    condition = substr($0, 0, scopeStart - 2)
    if (condition != "'"$1"'") { next }
    $0 = substr($0, scopeStart)
}
/^[_A-Z0-9.]+[ \t]*\+?=/ {
    valStart = index($0, "=") + 1

    append = 0
    if (substr($0, valStart - 2, 1) == "+") {
        append = 1
    }

    variable = substr($0, 0, valStart - 2 - append)
    value = substr($0, valStart)
    gsub("[ \t]+", "", variable)
    gsub("^[ \t]+", "", value)
    gsub("[ \t]+$", "", value)

    ovalue = ""
    while (match(value, /\$\$(\{[_A-Z0-9.]+\}|[_A-Z0-9.]+)/)) {
        ovalue = ovalue substr(value, 1, RSTART - 1)
        var = substr(value, RSTART + 2, RLENGTH - 2)
        value = substr(value, RSTART + RLENGTH)
        if (var ~ /^\{/) {
            var = substr(var, 2, length(var) - 2)
        }
        ovalue = ovalue values[var]
    }
    value = ovalue value

    ovalue = ""
    while (match(value, /\$\$system\(("[^"]*"|[^)]*)\)/)) {
        ovalue = ovalue substr(value, 1, RSTART - 1)
        cmd = substr(value, RSTART + 9, RLENGTH - 10)
        gsub(/^"|"$/, "", cmd)
        value = substr(value, RSTART + RLENGTH)
        while ((cmd | getline line) > 0) {
            ovalue = ovalue line
        }
        close(cmd)
    }
    value = ovalue value

    combinedValue = values[variable]
    if (append == 1 && length(combinedValue) > 0) {
        combinedValue = combinedValue " " value
    } else {
        combinedValue = value
    }
    values[variable] = combinedValue
}
END {
    for (var in values) {
        print var "=" values[var]
    }
}
'
}

getSingleQMakeVariable()
{
    echo "$2" | $AWK "/^($1)=/ { print substr(\$0, index(\$0, \"=\") + 1) }"
}

macSDKify()
{
    # Normally we take care of sysrootifying in sdk.prf, but configure extracts some
    # values before qmake is even built, so we have to duplicate the logic here.

    sdk=$(getSingleQMakeVariable "QMAKE_MAC_SDK" "$1")
    if [ -z "$sdk" ]; then echo "QMAKE_MAC_SDK must be set when building on Mac" >&2; exit 1; fi
    sysroot=$(/usr/bin/xcodebuild -sdk $sdk -version Path 2>/dev/null)
    if [ -z "$sysroot" ]; then echo "Failed to resolve SDK path for '$sdk'" >&2; exit 1; fi

    case "$sdk" in
        macosx*)
            version_min_flag="-mmacosx-version-min=$(getSingleQMakeVariable QMAKE_MACOSX_DEPLOYMENT_TARGET "$1")"
        ;;
        iphoneos*)
            version_min_flag="-miphoneos-version-min=$(getSingleQMakeVariable QMAKE_IOS_DEPLOYMENT_TARGET "$1")"
        ;;
        iphonesimulator*)
            version_min_flag="-mios-simulator-version-min=$(getSingleQMakeVariable QMAKE_IOS_DEPLOYMENT_TARGET "$1")"
        ;;
        appletvos*)
            version_min_flag="-mappletvos-version-min=$(getSingleQMakeVariable QMAKE_TVOS_DEPLOYMENT_TARGET "$1")"
        ;;
        appletvsimulator*)
            version_min_flag="-mtvos-simulator-version-min=$(getSingleQMakeVariable QMAKE_TVOS_DEPLOYMENT_TARGET "$1")"
        ;;
        watchos*)
            version_min_flag="-mwatchos-version-min=$(getSingleQMakeVariable QMAKE_WATCHOS_DEPLOYMENT_TARGET "$1")"
        ;;
        watchsimulator*)
            version_min_flag="-mwatchos-simulator-version-min=$(getSingleQMakeVariable QMAKE_WATCHOS_DEPLOYMENT_TARGET "$1")"
        ;;
        *)
        ;;
    esac

    echo "$1" | while read line; do
        case "$line" in
            QMAKE_CC=*|QMAKE_CXX=*|QMAKE_FIX_RPATH=*|QMAKE_AR=*|QMAKE_RANLIB=*|QMAKE_LINK=*|QMAKE_LINK_SHLIB=*)
                # Prefix tool with toolchain path
                var=$(echo "$line" | cut -d '=' -f 1)
                val=$(echo "$line" | cut -d '=' -f 2-)
                sdk_val=$(/usr/bin/xcrun -sdk $sdk -find $(echo $val | cut -d ' ' -f 1))
                val=$(echo $sdk_val $(echo $val | cut -s -d ' ' -f 2-))
                echo "$var=$val"
            ;;
            QMAKE_CFLAGS=*|QMAKE_CXXFLAGS=*)
                echo "$line -isysroot $sysroot $version_min_flag"
            ;;
            QMAKE_LFLAGS=*)
                echo "$line -Wl,-syslibroot,$sysroot $version_min_flag"
            ;;
            *)
                echo "$line"
            ;;
        esac
    done
}

# relies on $QMAKESPEC being set correctly. parses include statements in
# qmake.conf and prints out the expanded file
getQMakeConf()
{
    if [ -z "$specvals" ]; then
        specvals=`expandQMakeConf "$QMAKESPEC/qmake.conf" "$HOST_VARS_FILE" | extractQMakeVariables "host_build"`
        if [ "$BUILD_ON_MAC" = "yes" ]; then specvals=$(macSDKify "$specvals"); fi
    fi
    getSingleQMakeVariable "$1" "$specvals"
}

getXQMakeConf()
{
    if [ -z "$xspecvals" ]; then
        xspecvals=`expandQMakeConf "$XQMAKESPEC/qmake.conf" "$DEVICE_VARS_FILE" | extractQMakeVariables "!host_build"`
        if [ "$XPLATFORM_MAC" = "yes" ]; then xspecvals=$(macSDKify "$xspecvals"); fi
    fi
    getSingleQMakeVariable "$1" "$xspecvals"
}

#-------------------------------------------------------------------------------
# device options
#-------------------------------------------------------------------------------
DeviceVar()
{
    case "$1" in
        set)
            eq="="
            ;;
        *)
            echo >&2 "BUG: wrong command to DeviceVar: $1"
            ;;
    esac

    echo "$2" "$eq" "$3" >> "$DEVICE_VARS_FILE"
}

resolveDeviceMkspec()
{
    result=$(find "$relpath/mkspecs/devices/" -type d -name "*$1*" | sed "s,^$relpath/mkspecs/,,")
    match_count=$(echo "$result" | wc -w)
    if [ "$match_count" -gt 1 ]; then
        echo >&2 "Error: Multiple matches for device '$1'. Candidates are:"
        tabbed_result=$(echo "$result" | sed 's,^,    ,')
        echo >&2 "$tabbed_result"
        echo "undefined"
    elif [ "$match_count" -eq 0 ]; then
        echo >&2 "Error: No device matching '$1'"
        echo "undefined"
    else
        echo "$result"
    fi
}

#-------------------------------------------------------------------------------
# Host options
#-------------------------------------------------------------------------------
HostVar()
{
    case "$1" in
        set)
            eq="="
            ;;
        *)
            echo >&2 "BUG: wrong command to HostVar: $1"
            ;;
    esac

    echo "$2" "$eq" "$3" >> "$HOST_VARS_FILE"
}

#-------------------------------------------------------------------------------
# operating system detection
#-------------------------------------------------------------------------------

# need that throughout the script
UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown

# detect the "echo without newline" style. usage: echo $ECHO_N "<string>$ECHO_C"
if echo '\c' | grep '\c' >/dev/null; then
    ECHO_N=-n
else
    ECHO_C='\c'
fi

BUILD_ON_MAC=no
if [ -d /System/Library/Frameworks/Carbon.framework ]; then
    BUILD_ON_MAC=yes
fi
if [ "$OSTYPE" = "msys" ]; then
    relpath=`(cd "$relpath"; pwd -W)`
    outpath=`pwd -W`
fi

#-------------------------------------------------------------------------------
# Verify Xcode installation on Mac OS
#-------------------------------------------------------------------------------

if [ "$BUILD_ON_MAC" = "yes" ]; then
    if ! /usr/bin/xcode-select --print-path >/dev/null 2>&1; then
        echo >&2
        echo "   No Xcode is selected. Use xcode-select -switch to choose an Xcode" >&2
        echo "   version. See the xcode-select man page for more information." >&2
        echo >&2
        exit 2
    fi

    if ! /usr/bin/xcrun -find xcodebuild >/dev/null 2>&1; then
        echo >&2
        echo "   Xcode not set up properly. You may need to confirm the license" >&2
        echo "   agreement by running /usr/bin/xcodebuild without arguments." >&2
        echo >&2
        exit 2
    fi
fi

#-----------------------------------------------------------------------------
# Qt version detection
#-----------------------------------------------------------------------------
QT_VERSION=
QT_MAJOR_VERSION=
QT_MINOR_VERSION=0
QT_PATCH_VERSION=0
eval `sed -n -e 's/^MODULE_VERSION = \(\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*\)$/QT_VERSION=\1\
    QT_MAJOR_VERSION=\2\
    QT_MINOR_VERSION=\3\
    QT_PATCH_VERSION=\4/p' < "$relpath"/.qmake.conf`
if [ -z "$QT_MAJOR_VERSION" ]; then
   echo "Cannot process version from .qmake.conf"
   echo "Cannot proceed."
   exit 1
fi

#-------------------------------------------------------------------------------
# initalize variables
#-------------------------------------------------------------------------------

# Use CC/CXX to run config.tests
mkdir -p "$outpath/config.tests"
rm -f "$outpath/config.tests/.qmake.cache"
: > "$outpath/config.tests/.qmake.cache"

# QTDIR may be set and point to an old or system-wide Qt installation
unset QTDIR

# initalize internal variables
CFG_RELEASE_TOOLS=no
CFG_ANDROID_STYLE_ASSETS=yes

XPLATFORM=              # This seems to be the QMAKESPEC, like "linux-g++"
XPLATFORM_MAC=no        # Whether target platform is macOS, iOS, tvOS, or watchOS
XPLATFORM_IOS=no        # Whether target platform is iOS
XPLATFORM_TVOS=no       # Whether target platform is tvOS
XPLATFORM_WATCHOS=no    # Whether target platform is watchOS
XPLATFORM_ANDROID=no
XPLATFORM_MINGW=no      # Whether target platform is MinGW (win32-g++*)
PLATFORM=
OPT_CONFIRM_LICENSE=no
OPT_SHADOW=maybe
OPT_VERBOSE=no
OPT_HELP=
CFG_SILENT=no
OPT_MAC_SDK=
COMMERCIAL_USER=ask
CFG_DEV=no

# initalize variables used for installation
QT_INSTALL_PREFIX=
QT_INSTALL_DOCS=
QT_INSTALL_HEADERS=
QT_INSTALL_LIBS=
QT_INSTALL_BINS=
QT_INSTALL_LIBEXECS=
QT_INSTALL_PLUGINS=
QT_INSTALL_IMPORTS=
QT_INSTALL_QML=
QT_INSTALL_ARCHDATA=
QT_INSTALL_DATA=
QT_INSTALL_TRANSLATIONS=
QT_INSTALL_SETTINGS=
QT_INSTALL_EXAMPLES=
QT_INSTALL_TESTS=
CFG_SYSROOT=
QT_HOST_PREFIX=
QT_HOST_BINS=
QT_HOST_LIBS=
QT_HOST_DATA=
QT_EXT_PREFIX=

# Android vars
CFG_DEFAULT_ANDROID_NDK_ROOT=$ANDROID_NDK_ROOT
CFG_DEFAULT_ANDROID_SDK_ROOT=$ANDROID_SDK_ROOT
CFG_DEFAULT_ANDROID_PLATFORM=android-16
CFG_DEFAULT_ANDROID_TARGET_ARCH=armeabi-v7a
CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION=4.9
CFG_DEFAULT_ANDROID_NDK_HOST=$ANDROID_NDK_HOST

#-------------------------------------------------------------------------------
# parse command line arguments
#-------------------------------------------------------------------------------

# parse the arguments, setting things to "yes" or "no"
while [ "$#" -gt 0 ]; do
    CURRENT_OPT="$1"
    case "$1" in
    #Autoconf style options
    --enable-*)
        VAR=`echo $1 | sed 's,^--enable-\(.*\),\1,'`
        VAL=yes
        ;;
    --disable-*)
        VAR=`echo $1 | sed 's,^--disable-\(.*\),\1,'`
        VAL=no
        ;;
    --*=*)
        VAR=`echo $1 | sed 's,^--\(.*\)=.*,\1,'`
        VAL=`echo $1 | sed 's,^--.*=\(.*\),\1,'`
        ;;
    --no-*)
        VAR=`echo $1 | sed 's,^--no-\(.*\),\1,'`
        VAL=no
        ;;
    --*)
        VAR=`echo $1 | sed 's,^--\(.*\),\1,'`
        VAL=yes
        ;;
    #Qt plugin options
    -no-*-*|-plugin-*-*|-qt-*-*)
        VAR=`echo $1 | sed 's,^-[^-]*-\(.*\),\1,'`
        VAL=`echo $1 | sed 's,^-\([^-]*\).*,\1,'`
        ;;
    #Qt style no options
    -no-*)
        VAR=`echo $1 | sed 's,^-no-\(.*\),\1,'`
        VAL=no
        ;;
    #Qt style options that pass an argument
    -prefix| \
    -docdir| \
    -headerdir| \
    -plugindir| \
    -importdir| \
    -qmldir| \
    -archdatadir| \
    -datadir| \
    -libdir| \
    -bindir| \
    -libexecdir| \
    -translationdir| \
    -sysconfdir| \
    -examplesdir| \
    -testsdir| \
    -hostdatadir| \
    -hostbindir| \
    -hostlibdir| \
    -extprefix| \
    -sysroot| \
    -external-hostbindir| \
    -make| \
    -nomake| \
    -skip| \
    -platform| \
    -xplatform| \
    -device| \
    -device-option| \
    -host-option| \
    -sdk| \
    -android-sdk| \
    -android-ndk| \
    -android-ndk-platform| \
    -android-ndk-host| \
    -android-arch| \
    -android-toolchain-version)
        VAR=`echo $1 | sed 's,^-\(.*\),\1,'`
        shift
        VAL="$1"
        ;;
    #Qt style complex options in one command
    -enable-*|-disable-*)
        VAR=`echo $1 | sed 's,^-\([^-]*\)-.*,\1,'`
        VAL=`echo $1 | sed 's,^-[^-]*-\(.*\),\1,'`
        ;;
    #Qt Builtin/System style options
    -no-*|-system-*|-qt-*)
        VAR=`echo $1 | sed 's,^-[^-]*-\(.*\),\1,'`
        VAL=`echo $1 | sed 's,^-\([^-]*\)-.*,\1,'`
        ;;
    #Options that cannot be generalized
    -hostprefix)
        VAR=`echo $1 | sed 's,^-\(.*\),\1,'`
        # this option may or may not be followed by an argument
        if [ -z "$2" ] || echo "$2" | grep '^-' >/dev/null 2>&1; then
            VAL=$outpath
        else
            shift;
            VAL=$1
        fi
	;;
    #General options, including Qt style yes options
    -*)
        VAR=`echo $1 | sed 's,^-\(.*\),\1,'`
        VAL="yes"
        ;;
    # most options don't need processing in the configure script, skip them. qmake will do the real validation
    *)
        shift
        continue
        ;;
    esac

    shift

    UNKNOWN_OPT=no
    case "$VAR" in
    prefix)
        QT_INSTALL_PREFIX="$VAL"
        ;;
    hostprefix)
	QT_HOST_PREFIX="$VAL"
	;;
    hostdatadir)
        QT_HOST_DATA="$VAL"
        ;;
    hostbindir)
        QT_HOST_BINS="$VAL"
        ;;
    hostlibdir)
        QT_HOST_LIBS="$VAL"
        ;;
    extprefix)
        QT_EXT_PREFIX="$VAL"
        ;;
    docdir)
        QT_INSTALL_DOCS="$VAL"
        ;;
    headerdir)
        QT_INSTALL_HEADERS="$VAL"
        ;;
    plugindir)
        QT_INSTALL_PLUGINS="$VAL"
        ;;
    importdir)
        QT_INSTALL_IMPORTS="$VAL"
        ;;
    qmldir)
        QT_INSTALL_QML="$VAL"
        ;;
    archdatadir)
        QT_INSTALL_ARCHDATA="$VAL"
        ;;
    datadir)
        QT_INSTALL_DATA="$VAL"
        ;;
    libdir)
        QT_INSTALL_LIBS="$VAL"
        ;;
    translationdir)
        QT_INSTALL_TRANSLATIONS="$VAL"
        ;;
    sysconfdir|settingsdir)
        QT_INSTALL_SETTINGS="$VAL"
        ;;
    examplesdir)
        QT_INSTALL_EXAMPLES="$VAL"
        ;;
    testsdir)
        QT_INSTALL_TESTS="$VAL"
        ;;
    sysroot)
        CFG_SYSROOT="$VAL"
        ;;
    external-hostbindir)
        CFG_HOST_QT_TOOLS_PATH="$VAL"
        HostVar set HOST_QT_TOOLS "$VAL"
        ;;
    bindir)
        QT_INSTALL_BINS="$VAL"
        ;;
    libexecdir)
        QT_INSTALL_LIBEXECS="$VAL"
        ;;
    sdk)
        if [ "$BUILD_ON_MAC" = "yes" ]; then
            DeviceVar set !host_build:QMAKE_MAC_SDK "$VAL"
            OPT_MAC_SDK="$VAL"
        else
            UNKNOWN_OPT=yes
        fi
	;;
    platform)
        PLATFORM="$VAL"
        ;;
    xplatform)
        XPLATFORM="$VAL"
        ;;
    device)
        XPLATFORM=`resolveDeviceMkspec $VAL`
        [ "$XPLATFORM" = "undefined" ] && exit 101
        ;;
    device-option)
        DEV_VAR=`echo $VAL | cut -d '=' -f 1`
        DEV_VAL=`echo $VAL | cut -d '=' -f 2-`
        DeviceVar set $DEV_VAR "$DEV_VAL"
        ;;
    host-option)
        HOST_VAR=`echo $VAL | cut -d '=' -f 1`
        HOST_VAL=`echo $VAL | cut -d '=' -f 2-`
        HostVar set $HOST_VAR "$HOST_VAL"
        ;;
    optimized-qmake|optimized-tools)
        if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then
            CFG_RELEASE_TOOLS="$VAL"
        fi
        ;;
    developer-build)
        CFG_DEV="yes"
        ;;
    commercial)
        COMMERCIAL_USER="yes"
        ;;
    opensource)
        COMMERCIAL_USER="no"
        ;;
    confirm-license)
        if [ "$VAL" = "yes" ]; then
            OPT_CONFIRM_LICENSE="$VAL"
        else
            UNKNOWN_OPT=yes
        fi
        ;;
    h|help)
        if [ "$VAL" = "yes" ]; then
            OPT_HELP="$VAL"
        else
            UNKNOWN_OPT=yes
        fi
        ;;
    v|verbose)
        if [ "$VAL" = "yes" ]; then
            OPT_VERBOSE=yes
        elif [ "$VAL" = "no" ]; then
            OPT_VERBOSE=no
        else
            UNKNOWN_OPT=yes
        fi
        ;;
    silent)
        # need to keep this here, to ensure qmake is built silently
        CFG_SILENT="$VAL"
        ;;
    android-sdk)
        CFG_DEFAULT_ANDROID_SDK_ROOT="$VAL"
        ;;
    android-ndk)
        CFG_DEFAULT_ANDROID_NDK_ROOT="$VAL"
        ;;
    android-ndk-platform)
        CFG_DEFAULT_ANDROID_PLATFORM="$VAL"
        ;;
    android-ndk-host)
        CFG_DEFAULT_ANDROID_NDK_HOST="$VAL"
        ;;
    android-arch)
        CFG_DEFAULT_ANDROID_TARGET_ARCH="$VAL"
        ;;
    android-toolchain-version)
        CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION="$VAL"
        ;;
    android-style-assets)
        # Required to be able to show the correct license text
        if [ "$VAL" = "yes" ] || [ "$VAL" = "no" ]; then
            CFG_ANDROID_STYLE_ASSETS="$VAL"
        fi
        ;;
    *)
        ;;
    esac
    if [ "$UNKNOWN_OPT" = "yes" ]; then
        echo "${CURRENT_OPT}: invalid command-line switch"
        ERROR=yes
    fi
done
[ "x$ERROR" = "xyes" ] && exit 1

#-------------------------------------------------------------------------------
# help - interactive parts of the script _after_ this section please
#-------------------------------------------------------------------------------

if [ "$OPT_HELP" = "yes" ]; then
    cat $relpath/config_help.txt
    exit 0
fi

#-------------------------------------------------------------------------------
# platform detection
#-------------------------------------------------------------------------------

if [ -z "$PLATFORM" ]; then
    PLATFORM_NOTES=
    case "$UNAME_SYSTEM:$UNAME_RELEASE" in
     Darwin:*)
        PLATFORM=macx-clang
        ;;
     AIX:*)
        #PLATFORM=aix-g++
        #PLATFORM=aix-g++-64
        PLATFORM=aix-xlc
        #PLATFORM=aix-xlc-64
        PLATFORM_NOTES="
            - Also available for AIX: aix-g++ aix-g++-64 aix-xlc-64
        "
        ;;
     GNU:*)
        PLATFORM=hurd-g++
        ;;
     dgux:*)
        PLATFORM=dgux-g++
        ;;
#     DYNIX/ptx:4*)
#       PLATFORM=dynix-g++
#       ;;
     ULTRIX:*)
        PLATFORM=ultrix-g++
        ;;
     FreeBSD:*)
        if [ "$(uname -r | cut -d. -f1)" -ge 10 ]; then
            PLATFORM=freebsd-clang
            PLATFORM_NOTES="
                - Also available for FreeBSD: freebsd-g++
            "
        else
            PLATFORM=freebsd-g++
            PLATFORM_NOTES="
                - Also available for FreeBSD: freebsd-clang
            "
        fi
        ;;
     OpenBSD:*)
        PLATFORM=openbsd-g++
        ;;
     NetBSD:*)
        PLATFORM=netbsd-g++
        ;;
     BSD/OS:*|BSD/386:*)
        PLATFORM=bsdi-g++
        ;;
     IRIX*:*)
        #PLATFORM=irix-g++
        PLATFORM=irix-cc
        #PLATFORM=irix-cc-64
        PLATFORM_NOTES="
            - Also available for IRIX: irix-g++ irix-cc-64
        "
        ;;
     HP-UX:*)
        case "$UNAME_MACHINE" in
            ia64)
                #PLATFORM=hpuxi-acc-32
                PLATFORM=hpuxi-acc-64
                PLATFORM_NOTES="
                    - Also available for HP-UXi: hpuxi-acc-32
                "
            ;;
            *)
                #PLATFORM=hpux-g++
                PLATFORM=hpux-acc
                #PLATFORM=hpux-acc-64
                #PLATFORM=hpux-cc
                #PLATFORM=hpux-acc-o64
                PLATFORM_NOTES="
                    - Also available for HP-UX: hpux-g++ hpux-acc-64 hpux-acc-o64
                "
            ;;
        esac
        ;;
     OSF1:*)
        #PLATFORM=tru64-g++
        PLATFORM=tru64-cxx
        PLATFORM_NOTES="
            - Also available for Tru64: tru64-g++
        "
        ;;
     Linux:*)
        PLATFORM=linux-g++
        PLATFORM_NOTES="
            - Also available for Linux: linux-clang linux-kcc linux-icc linux-cxx
        "
        ;;
     SunOS:5*)
        #PLATFORM=solaris-g++
        PLATFORM=solaris-cc
        #PLATFORM=solaris-cc64
        PLATFORM_NOTES="
            - Also available for Solaris: solaris-g++ solaris-cc-64
        "
        ;;
     ReliantUNIX-*:*|SINIX-*:*)
        PLATFORM=reliant-cds
        #PLATFORM=reliant-cds-64
        PLATFORM_NOTES="
            - Also available for Reliant UNIX: reliant-cds-64
        "
        ;;
     CYGWIN*:*)
        PLATFORM=cygwin-g++
        ;;
     LynxOS*:*)
        PLATFORM=lynxos-g++
        ;;
     OpenUNIX:*)
        #PLATFORM=unixware-g++
        PLATFORM=unixware-cc
        PLATFORM_NOTES="
            - Also available for OpenUNIX: unixware-g++
        "
        ;;
     UnixWare:*)
        #PLATFORM=unixware-g++
        PLATFORM=unixware-cc
        PLATFORM_NOTES="
            - Also available for UnixWare: unixware-g++
        "
        ;;
     SCO_SV:*)
        #PLATFORM=sco-g++
        PLATFORM=sco-cc
        PLATFORM_NOTES="
            - Also available for SCO OpenServer: sco-g++
        "
        ;;
     UNIX_SV:*)
        PLATFORM=unixware-g++
        ;;
     QNX:*)
        PLATFORM=unsupported/qnx-g++
        ;;
     *)
            echo >&2
            echo "   The build script does not currently recognize all" >&2
            echo "   platforms supported by Qt." >&2
            echo "   Rerun this script with a -platform option listed to" >&2
            echo "   set the system/compiler combination you use." >&2
            echo >&2
            exit 2
    esac
fi

[ -z "$XPLATFORM" ] && XPLATFORM="$PLATFORM"

case "$XPLATFORM" in
    *win32-g++*)
        XPLATFORM_MINGW=yes
        ;;
    *qnx-*)
        ;;
    *haiku-*)
        ;;
    *ios*)
        XPLATFORM_MAC=yes
        XPLATFORM_IOS=yes
        ;;
    *tvos*)
        XPLATFORM_MAC=yes
        XPLATFORM_TVOS=yes
        ;;
    *watchos*)
        XPLATFORM_MAC=yes
        XPLATFORM_WATCHOS=yes
        ;;
    *macx*)
        XPLATFORM_MAC=yes
        ;;
    *integrity*)
        ;;
    # XPLATFORM_ANDROID should not be set for unsupported/android-g++
    *unsupported*)
        ;;
    *android-g++*)
        XPLATFORM_ANDROID=g++
        ;;
    *android-clang*)
        XPLATFORM_ANDROID=clang
        ;;
esac

#-------------------------------------------------------------------------------
# check the license
#-------------------------------------------------------------------------------

if [ "$COMMERCIAL_USER" = "ask" ]; then
    while true; do
        echo "Which edition of Qt do you want to use ?"
        echo
        echo "Type 'c' if you want to use the Commercial Edition."
        echo "Type 'o' if you want to use the Open Source Edition."
        echo
        read commercial
        echo
        if [ "$commercial" = "c" ]; then
            COMMERCIAL_USER="yes"
            OPT_CMDLINE="$OPT_CMDLINE
-commercial"
            break
        elif [ "$commercial" = "o" ]; then
            COMMERCIAL_USER="no"
            OPT_CMDLINE="$OPT_CMDLINE
-opensource"
            break
        fi
    done
fi

if [ -f "$relpath"/LICENSE.PREVIEW.COMMERCIAL ] && [ $COMMERCIAL_USER = "yes" ]; then
    # Commercial preview release
    Licensee="Preview"
    Edition="Preview"
    EditionString="Technology Preview"
elif [ $COMMERCIAL_USER = "yes" ]; then
    if [ $UNAME_SYSTEM = "Linux" ]; then
        case "$PLATFORM" in
        *-32)
            Licheck=licheck32
            ;;
        *-64)
            Licheck=licheck64
            ;;
        *)
            if file -L /bin/sh | grep -q "64-bit" ; then
                Licheck=licheck64
            else
                Licheck=licheck32
            fi
            ;;
        esac
    elif [ $UNAME_SYSTEM = "Darwin" ]; then
        Licheck=licheck_mac
    else
        echo >&2 "Host operating system not supported by this edition of Qt."
        exit 1
    fi
    if [ -x "$relpath/bin/$Licheck" ]; then
        LicheckOutput=`$relpath/bin/$Licheck $OPT_CONFIRM_LICENSE $relpath $outpath\
                       $PLATFORM $XPLATFORM`
        if [ $? -ne 0 ]; then
            exit 1
        else
            eval "$LicheckOutput"
        fi
    else
        echo
        echo "Error: This is the Open Source version of Qt."
        echo "If you want to use Enterprise features of Qt,"
        echo "use the contact form at http://www.qt.io/contact-us"
        echo "to purchase a license."
        echo
        exit 1
    fi
elif [ $COMMERCIAL_USER = "no" ]; then
    # Open Source edition - may only be used under the terms of the LGPLv3 or GPLv2.
    Licensee="Open Source"
    Edition="OpenSource"
    EditionString="Open Source"
fi

if [ "$Edition" = "OpenSource" ] || [ "$Edition" = "Preview" ]; then
    echo
    echo "This is the Qt ${EditionString} Edition."
    echo
fi

if [ "$Edition" = "OpenSource" ]; then
    while true; do
        if [ "$CFG_ANDROID_STYLE_ASSETS" = "no" ] || [ "$XPLATFORM_ANDROID" = "no" ]; then
            echo "You are licensed to use this software under the terms of"
            echo "the GNU Lesser General Public License (LGPL) version 3."
            echo "You are also licensed to use this software under the terms of"
            echo "the GNU General Public License (GPL) version 2."
            affix="either"
            showGPL2="yes"
        else
            echo "You are licensed to use this software under the terms of"
            echo "the GNU Lesser General Public License (LGPL) version 3."
            showGPL2="no"
            affix="the"
        fi

        echo
        if [ "$OPT_CONFIRM_LICENSE" = "yes" ]; then
            echo "You have already accepted the terms of the $EditionString license."
            acceptance=yes
        else
            if [ -f "$relpath/LICENSE.LGPL3" ]; then
                echo "Type 'L' to view the GNU Lesser General Public License version 3."
            fi
            if [ "$showGPL2" = "yes" ]; then
                echo "Type 'G' to view the GNU General Public License version 2."
            fi
            echo "Type 'yes' to accept this license offer."
            echo "Type 'no' to decline this license offer."
            echo
            echo $ECHO_N "Do you accept the terms of $affix license? $ECHO_C"
            read acceptance
        fi
        echo
        if [ "$acceptance" = "yes" ] || [ "$acceptance" = "y" ]; then
            break
        elif [ "$acceptance" = "no" ]; then
            echo "You are not licensed to use this software."
            echo
            exit 1
        elif [ "$acceptance" = "L" ]; then
            more "$relpath/LICENSE.LGPL3"
        elif [ "$acceptance" = "G" ] && [ "$showGPL2" = "yes" ]; then
            more "$relpath/LICENSE.GPL2"
        fi
    done
elif [ "$Edition" = "Preview" ]; then
    TheLicense=`head -n 1 "$relpath/LICENSE.PREVIEW.COMMERCIAL"`
    while true; do

        if [ "$OPT_CONFIRM_LICENSE" = "yes" ]; then
            echo "You have already accepted the terms of the $EditionString license."
            acceptance=yes
        else
            echo "You are licensed to use this software under the terms of"
            echo "the $TheLicense"
            echo
            echo "Type '?' to read the Preview License."
            echo "Type 'yes' to accept this license offer."
            echo "Type 'no' to decline this license offer."
            echo
            echo $ECHO_N "Do you accept the terms of the license? $ECHO_C"
            read acceptance
        fi
        echo
        if [ "$acceptance" = "yes" ]; then
            break
        elif [ "$acceptance" = "no" ] ;then
            echo "You are not licensed to use this software."
            echo
            exit 0
        elif [ "$acceptance" = "?" ]; then
            more "$relpath/LICENSE.PREVIEW.COMMERCIAL"
        fi
    done
fi

#-------------------------------------------------------------------------------
# command line and environment validation
#-------------------------------------------------------------------------------

if [ "$XPLATFORM_ANDROID" != "no" ]; then
    if [ -z "$CFG_DEFAULT_ANDROID_NDK_HOST" ]; then
        case $PLATFORM in
        linux-*)
            if [ -d "$CFG_DEFAULT_ANDROID_NDK_ROOT/toolchains/arm-linux-androideabi-$CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION/prebuilt/linux-x86" ]; then
                CFG_DEFAULT_ANDROID_NDK_HOST=linux-x86
            elif [ -d "$CFG_DEFAULT_ANDROID_NDK_ROOT/toolchains/arm-linux-androideabi-$CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION/prebuilt/linux-x86_64" ]; then
                CFG_DEFAULT_ANDROID_NDK_HOST=linux-x86_64
            fi
            ;;
        macx-*)
            CFG_DEFAULT_ANDROID_NDK_HOST=darwin-x86
            if [ -d "$CFG_DEFAULT_ANDROID_NDK_ROOT/toolchains/arm-linux-androideabi-$CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION/prebuilt/darwin-x86_64" ]; then
                CFG_DEFAULT_ANDROID_NDK_HOST=darwin-x86_64
            fi
            ;;
        win32-*)
            CFG_DEFAULT_ANDROID_NDK_HOST=windows
            if [ -d "$CFG_DEFAULT_ANDROID_NDK_ROOT/toolchains/arm-linux-androideabi-$CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION/prebuilt/windows-x86_64" ]; then
                CFG_DEFAULT_ANDROID_NDK_HOST=windows-x86_64
            fi
            ;;
        esac
    fi

        if [ -z "$CFG_DEFAULT_ANDROID_NDK_ROOT" ]; then
            echo
            echo "Can not find Android NDK. Please use -android-ndk option to specify one"
            exit 1
        fi
        if [ -z "$CFG_DEFAULT_ANDROID_SDK_ROOT" ]; then
            echo
            echo "Can not find Android SDK. Please use -android-sdk option to specify one"
            exit 1
        fi
        if [ -z "CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION" ] || [ ! -d "$CFG_DEFAULT_ANDROID_NDK_ROOT/toolchains/arm-linux-androideabi-$CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION/prebuilt" ]; then
            echo
            echo "Can not detect Android NDK toolchain. Please use -android-toolchain-version to specify"
            exit 1
        fi
        if [ -z "$CFG_DEFAULT_ANDROID_NDK_HOST" ] || [ ! -d "$CFG_DEFAULT_ANDROID_NDK_ROOT/toolchains/arm-linux-androideabi-$CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION/prebuilt/$CFG_DEFAULT_ANDROID_NDK_HOST" ]; then
            echo
            echo "Can not detect the android host. Please use -android-ndk-host option to specify one"
            exit 1
        fi

        DeviceVar set DEFAULT_ANDROID_SDK_ROOT "$CFG_DEFAULT_ANDROID_SDK_ROOT"
        DeviceVar set DEFAULT_ANDROID_NDK_ROOT "$CFG_DEFAULT_ANDROID_NDK_ROOT"
        DeviceVar set DEFAULT_ANDROID_PLATFORM "$CFG_DEFAULT_ANDROID_PLATFORM"
        DeviceVar set DEFAULT_ANDROID_NDK_HOST "$CFG_DEFAULT_ANDROID_NDK_HOST"
        DeviceVar set DEFAULT_ANDROID_TARGET_ARCH "$CFG_DEFAULT_ANDROID_TARGET_ARCH"
        DeviceVar set DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION "$CFG_DEFAULT_ANDROID_NDK_TOOLCHAIN_VERSION"
fi

if [ -d "$PLATFORM" ]; then
  QMAKESPEC="$PLATFORM"
else
  QMAKESPEC="$relpath/mkspecs/${PLATFORM}"
fi
if [ -d "$XPLATFORM" ]; then
  XQMAKESPEC="$XPLATFORM"
else
  XQMAKESPEC="$relpath/mkspecs/${XPLATFORM}"
fi

if [ "$BUILD_ON_MAC" = "yes" ]; then
   if [ `basename $QMAKESPEC` = "macx-xcode" ] || [ `basename $XQMAKESPEC` = "macx-xcode" ]; then
      echo >&2
      echo "   Platform 'macx-xcode' should not be used when building Qt/Mac." >&2
      echo "   Please build Qt/Mac with 'macx-clang' or 'macx-g++', then use" >&2
      echo "   the 'macx-xcode' spec for your application, and it will link to" >&2
      echo "   the Qt/Mac build using the settings of the original mkspec." >&2
      echo >&2
      exit 2
    fi
fi

# check specified platforms are supported
if [ '!' -d "$QMAKESPEC" ]; then
    echo
    echo "   The specified system/compiler is not supported:"
    echo
    echo "      $QMAKESPEC"
    echo
    echo "   Please see the README file for a complete list."
    echo
    exit 2
fi
if [ '!' -d "$XQMAKESPEC" ]; then
    echo
    echo "   The specified system/compiler is not supported:"
    echo
    echo "      $XQMAKESPEC"
    echo
    echo "   Please see the README file for a complete list."
    echo
    exit 2
fi
if [ '!' -f "${XQMAKESPEC}/qplatformdefs.h" ]; then
    echo
    echo "   The specified system/compiler port is not complete:"
    echo
    echo "      $XQMAKESPEC/qplatformdefs.h"
    echo
    echo "   Please information use the contact form at http://www.qt.io/contact-us"
    echo
    exit 2
fi

#-------------------------------------------------------------------------------
# build tree initialization
#-------------------------------------------------------------------------------

# is this a shadow build?
if [ "$OPT_SHADOW" = "maybe" ]; then
    OPT_SHADOW=no
    if [ "$relpath" != "$outpath" ] && [ '!' -f "$outpath/configure" ]; then
        if [ -h "$outpath" ]; then
            [ "$relpath" -ef "$outpath" ] || OPT_SHADOW=yes
        else
            OPT_SHADOW=yes
        fi
    fi
fi
if [ "$OPT_SHADOW" = "yes" ]; then
    if [ -f "$relpath/.qmake.cache" -o -f "$relpath/src/corelib/global/qconfig.h" -o -f "$relpath/src/corelib/global/qconfig.cpp" ]; then
        echo >&2 "You cannot make a shadow build from a source tree containing a previous build."
        echo >&2 "Cannot proceed."
        exit 1
    fi
    [ "$OPT_VERBOSE" = "yes" ] && echo "Performing shadow build..."
fi

if [ "$OPT_SHADOW" = "yes" ]; then
    echo "Preparing build tree..."

    [ -d "$outpath/bin" ] || mkdir -p "$outpath/bin"

    mkdir -p "$outpath/mkspecs"
fi

if [ "$XPLATFORM_ANDROID" = "no" ]; then
    TEST_COMPILER=`getXQMakeConf QMAKE_CXX`
    GCC_MACHINE_DUMP=
    case "$TEST_COMPILER" in *g++) GCC_MACHINE_DUMP=$($TEST_COMPILER -dumpmachine);; esac
    if [ -n "$GCC_MACHINE_DUMP" ]; then
        DeviceVar set GCC_MACHINE_DUMP $($TEST_COMPILER -dumpmachine)
    fi
fi

#-------------------------------------------------------------------------------
# postprocess installation and deployment paths
#-------------------------------------------------------------------------------

if [ -z "$QT_INSTALL_PREFIX" ]; then
    if [ "$CFG_DEV" = "yes" ]; then
        QT_INSTALL_PREFIX="$outpath" # In Development, we use sandboxed builds by default
    else
        QT_INSTALL_PREFIX="/usr/local/Qt-${QT_VERSION}" # the default install prefix is /usr/local/Qt-$QT_VERSION
    fi
fi
QT_INSTALL_PREFIX=`makeabs "$QT_INSTALL_PREFIX"`

if [ -z "$QT_EXT_PREFIX" ]; then
    QT_EXT_PREFIX=$QT_INSTALL_PREFIX
    if [ -n "$CFG_SYSROOT" ]; then
        QMAKE_SYSROOTIFY=true
    else
        QMAKE_SYSROOTIFY=false
    fi
else
    QT_EXT_PREFIX=`makeabs "$QT_EXT_PREFIX"`
    QMAKE_SYSROOTIFY=false
fi

if [ -z "$QT_HOST_PREFIX" ]; then
    if $QMAKE_SYSROOTIFY; then
        QT_HOST_PREFIX=$CFG_SYSROOT$QT_EXT_PREFIX
    else
        QT_HOST_PREFIX=$QT_EXT_PREFIX
    fi
    HAVE_HOST_PATH=false
else
    QT_HOST_PREFIX=`makeabs "$QT_HOST_PREFIX"`
    HAVE_HOST_PATH=true
fi

#------- make the paths relative to the prefixes --------

PREFIX_COMPLAINTS=
PREFIX_REMINDER=false
while read basevar baseoption var option; do
    eval path=\$QT_${basevar}_$var
    [ -z "$path" ] && continue
    path=`makeabs "$path"`
    eval base=\$QT_${basevar}_PREFIX
    rel=${path##$base}
    if [ x"$rel" = x"$path" ]; then
        if [ x"$option" != x"sysconf" ]; then
            PREFIX_COMPLAINTS="$PREFIX_COMPLAINTS
        NOTICE: -${option}dir is not a subdirectory of ${baseoption}prefix."
            eval \$HAVE_${basevar}_PATH || PREFIX_REMINDER=true
        fi
        eval QT_REL_${basevar}_$var=\$rel
    elif [ -z "$rel" ]; then
        eval QT_REL_${basevar}_$var=.
    else
        eval QT_REL_${basevar}_$var=\${rel#/}
    fi
done <<EOF
INSTALL - DOCS doc
INSTALL - HEADERS header
INSTALL - LIBS lib
INSTALL - LIBEXECS libexec
INSTALL - BINS bin
INSTALL - PLUGINS plugin
INSTALL - IMPORTS import
INSTALL - QML qml
INSTALL - ARCHDATA archdata
INSTALL - DATA data
INSTALL - TRANSLATIONS translation
INSTALL - EXAMPLES examples
INSTALL - TESTS tests
INSTALL - SETTINGS sysconf
HOST -host BINS hostbin
HOST -host LIBS hostlib
HOST -host DATA hostdata
EOF
$PREFIX_REMINDER && PREFIX_COMPLAINTS="$PREFIX_COMPLAINTS
        Maybe you forgot to specify -prefix/-hostprefix?"

if [ -z "$QT_REL_INSTALL_HEADERS" ]; then
    QT_REL_INSTALL_HEADERS=include
fi

if [ -z "$QT_REL_INSTALL_LIBS" ]; then
    QT_REL_INSTALL_LIBS=lib
fi

if [ -z "$QT_REL_INSTALL_BINS" ]; then
    QT_REL_INSTALL_BINS=bin
fi

if [ -z "$QT_REL_INSTALL_ARCHDATA" ]; then
    QT_REL_INSTALL_ARCHDATA=.
fi
if [ x"$QT_REL_INSTALL_ARCHDATA" != x. ]; then
    QT_REL_INSTALL_ARCHDATA_PREFIX=$QT_REL_INSTALL_ARCHDATA/
fi

if [ -z "$QT_REL_INSTALL_LIBEXECS" ]; then
    if [ "$XPLATFORM_MINGW" = "yes" ]; then
        QT_REL_INSTALL_LIBEXECS=${QT_REL_INSTALL_ARCHDATA_PREFIX}bin
    else
        QT_REL_INSTALL_LIBEXECS=${QT_REL_INSTALL_ARCHDATA_PREFIX}libexec
    fi
fi

if [ -z "$QT_REL_INSTALL_PLUGINS" ]; then
    QT_REL_INSTALL_PLUGINS=${QT_REL_INSTALL_ARCHDATA_PREFIX}plugins
fi

if [ -z "$QT_REL_INSTALL_IMPORTS" ]; then
    QT_REL_INSTALL_IMPORTS=${QT_REL_INSTALL_ARCHDATA_PREFIX}imports
fi

if [ -z "$QT_REL_INSTALL_QML" ]; then
    QT_REL_INSTALL_QML=${QT_REL_INSTALL_ARCHDATA_PREFIX}qml
fi

if [ -z "$QT_REL_INSTALL_DATA" ]; then
    QT_REL_INSTALL_DATA=.
fi
if [ x"$QT_REL_INSTALL_DATA" != x. ]; then
    QT_REL_INSTALL_DATA_PREFIX=$QT_REL_INSTALL_DATA/
fi

if [ -z "$QT_REL_INSTALL_DOCS" ]; then
    QT_REL_INSTALL_DOCS=${QT_REL_INSTALL_DATA_PREFIX}doc
fi

if [ -z "$QT_REL_INSTALL_TRANSLATIONS" ]; then
    QT_REL_INSTALL_TRANSLATIONS=${QT_REL_INSTALL_DATA_PREFIX}translations
fi

if [ -z "$QT_REL_INSTALL_EXAMPLES" ]; then
    QT_REL_INSTALL_EXAMPLES=examples
fi

if [ -z "$QT_REL_INSTALL_TESTS" ]; then
    QT_REL_INSTALL_TESTS=tests
fi

if [ -z "$QT_REL_INSTALL_SETTINGS" ]; then
    if [ "$XPLATFORM_MAC" = "yes" ]; then
        QT_REL_INSTALL_SETTINGS=/Library/Preferences/Qt
    else
        QT_REL_INSTALL_SETTINGS=etc/xdg
    fi
fi

#------- host paths --------

if [ -z "$QT_REL_HOST_BINS" ]; then
    if $HAVE_HOST_PATH; then
        QT_REL_HOST_BINS=bin
    else
        QT_REL_HOST_BINS=$QT_REL_INSTALL_BINS
    fi
fi

if [ -z "$QT_REL_HOST_LIBS" ]; then
    if $HAVE_HOST_PATH; then
        QT_REL_HOST_LIBS=lib
    else
        QT_REL_HOST_LIBS=$QT_REL_INSTALL_LIBS
    fi
fi

if [ -z "$QT_REL_HOST_DATA" ]; then
    if $HAVE_HOST_PATH; then
        QT_REL_HOST_DATA=.
    else
        QT_REL_HOST_DATA=$QT_REL_INSTALL_ARCHDATA
    fi
fi

shortxspec=`echo $XQMAKESPEC | sed "s,^${relpath}/mkspecs/,,"`
shortspec=`echo $QMAKESPEC | sed "s,^${relpath}/mkspecs/,,"`

QT_CONFIGURE_STR_OFF=0

addConfStr()
{
    QT_CONFIGURE_STR_OFFSETS="$QT_CONFIGURE_STR_OFFSETS $QT_CONFIGURE_STR_OFF,"
    QT_CONFIGURE_STRS="$QT_CONFIGURE_STRS    \"$1\\0\"
"
    count=`echo "$1" | wc -c`
    QT_CONFIGURE_STR_OFF=`expr $QT_CONFIGURE_STR_OFF + $count`
}

QT_CONFIGURE_STR_OFFSETS=
QT_CONFIGURE_STRS=
addConfStr "$QT_REL_INSTALL_DOCS"
addConfStr "$QT_REL_INSTALL_HEADERS"
addConfStr "$QT_REL_INSTALL_LIBS"
addConfStr "$QT_REL_INSTALL_LIBEXECS"
addConfStr "$QT_REL_INSTALL_BINS"
addConfStr "$QT_REL_INSTALL_PLUGINS"
addConfStr "$QT_REL_INSTALL_IMPORTS"
addConfStr "$QT_REL_INSTALL_QML"
addConfStr "$QT_REL_INSTALL_ARCHDATA"
addConfStr "$QT_REL_INSTALL_DATA"
addConfStr "$QT_REL_INSTALL_TRANSLATIONS"
addConfStr "$QT_REL_INSTALL_EXAMPLES"
addConfStr "$QT_REL_INSTALL_TESTS"
QT_CONFIGURE_STR_OFFSETS_ALL=$QT_CONFIGURE_STR_OFFSETS
QT_CONFIGURE_STRS_ALL=$QT_CONFIGURE_STRS

QT_CONFIGURE_STR_OFFSETS=
QT_CONFIGURE_STRS=
addConfStr "$CFG_SYSROOT"
addConfStr "$QT_REL_HOST_BINS"
addConfStr "$QT_REL_HOST_LIBS"
addConfStr "$QT_REL_HOST_DATA"
addConfStr "$shortxspec"
addConfStr "$shortspec"

#-------------------------------------------------------------------------------
# generate qconfig.cpp
#-------------------------------------------------------------------------------
[ -d "$outpath/src/corelib/global" ] || mkdir -p "$outpath/src/corelib/global"

cat > "$outpath/src/corelib/global/qconfig.cpp.new" <<EOF
/* Installation date */
static const char qt_configure_installation          [12+11]    = "qt_instdate=2012-12-20";

/* Installation Info */
static const char qt_configure_prefix_path_str       [256 + 12] = "qt_prfxpath=$QT_INSTALL_PREFIX";
#ifdef QT_BUILD_QMAKE
static const char qt_configure_ext_prefix_path_str   [256 + 12] = "qt_epfxpath=$QT_EXT_PREFIX";
static const char qt_configure_host_prefix_path_str  [256 + 12] = "qt_hpfxpath=$QT_HOST_PREFIX";
#endif

static const short qt_configure_str_offsets[] = {
    $QT_CONFIGURE_STR_OFFSETS_ALL
#ifdef QT_BUILD_QMAKE
    $QT_CONFIGURE_STR_OFFSETS
#endif
};
static const char qt_configure_strs[] =
$QT_CONFIGURE_STRS_ALL#ifdef QT_BUILD_QMAKE
$QT_CONFIGURE_STRS#endif
;

#define QT_CONFIGURE_SETTINGS_PATH "$QT_REL_INSTALL_SETTINGS"

#ifdef QT_BUILD_QMAKE
# define QT_CONFIGURE_SYSROOTIFY_PREFIX $QMAKE_SYSROOTIFY
#endif

#define QT_CONFIGURE_PREFIX_PATH qt_configure_prefix_path_str + 12
#ifdef QT_BUILD_QMAKE
# define QT_CONFIGURE_EXT_PREFIX_PATH qt_configure_ext_prefix_path_str + 12
# define QT_CONFIGURE_HOST_PREFIX_PATH qt_configure_host_prefix_path_str + 12
#endif
EOF

# avoid unecessary rebuilds by copying only if qconfig.cpp has changed
if cmp -s "$outpath/src/corelib/global/qconfig.cpp" "$outpath/src/corelib/global/qconfig.cpp.new"; then
    rm -f "$outpath/src/corelib/global/qconfig.cpp.new"
else
    [ -f "$outpath/src/corelib/global/qconfig.cpp" ] && chmod +w "$outpath/src/corelib/global/qconfig.cpp"
    mv "$outpath/src/corelib/global/qconfig.cpp.new" "$outpath/src/corelib/global/qconfig.cpp"
    chmod -w "$outpath/src/corelib/global/qconfig.cpp"
fi


# -----------------------------------------------------------------------------
# build qmake
# -----------------------------------------------------------------------------

# symlink includes
if [ -e "$relpath/.git" ]; then
    if [ -z "$PERL" ]; then
        echo
        echo "You need perl in your PATH to make a build from GIT."
        echo "Cannot proceed."
        exit 1
    fi

    "$relpath/bin/syncqt.pl" -version $QT_VERSION -minimal -module QtCore "$relpath" || exit 1
fi

# $1: input variable name (awk regexp)
# $2: optional output variable name
# $3: optional value transformation (sed command)
# relies on $QMAKESPEC, $COMPILER_CONF and $mkfile being set correctly, as the latter
# is where the resulting variable is written to
setBootstrapVariable()
{
    getQMakeConf "$1" | echo ${2-$1} = `if [ -n "$3" ]; then sed "$3"; else cat; fi` >> "$mkfile"
}

# build qmake
    echo "Creating qmake..."
    mkdir -p "$outpath/qmake" || exit

        in_mkfile=$relpath/qmake/Makefile.unix
        mkfile=$outpath/qmake/Makefile
        if [ -f "$mkfile" ]; then
            [ "$CFG_DEV" = "yes" ] && "$WHICH" chflags >/dev/null 2>&1 && chflags nouchg "$mkfile"
            rm -f "$mkfile"
        fi

        echo "########################################################################" > "$mkfile"
        echo "## This file was autogenerated by configure, all changes will be lost ##" >> "$mkfile"
        echo "########################################################################" >> "$mkfile"
        EXTRA_CXXFLAGS="\$(QMAKE_CXXFLAGS) \$(QMAKE_CXXFLAGS_CXX11) \$(QMAKE_CXXFLAGS_SPLIT_SECTIONS)"
        EXTRA_LFLAGS="\$(QMAKE_LFLAGS) \$(QMAKE_LFLAGS_GCSECTIONS)"

        if [ "$PLATFORM" = "irix-cc" ] || [ "$PLATFORM" = "irix-cc-64" ]; then
	    EXTRA_LFLAGS="$EXTRA_LFLAGS -lm"
        fi

        [ "$CFG_SILENT" = "yes" ] && CC_TRANSFORM='s,^,\@,' || CC_TRANSFORM=
        setBootstrapVariable QMAKE_CC CC "$CC_TRANSFORM"
        setBootstrapVariable QMAKE_CXX CXX "$CC_TRANSFORM"
        setBootstrapVariable QMAKE_CXXFLAGS
        setBootstrapVariable QMAKE_CXXFLAGS_CXX11
        setBootstrapVariable QMAKE_CXXFLAGS_SPLIT_SECTIONS
        setBootstrapVariable QMAKE_LFLAGS
        setBootstrapVariable QMAKE_LFLAGS_GCSECTIONS

        if [ "$CFG_DEBUG" = "no" ] || [ "$CFG_RELEASE_TOOLS" = "yes" ]; then
            setBootstrapVariable QMAKE_CXXFLAGS_RELEASE
            EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS \$(QMAKE_CXXFLAGS_RELEASE)"
        else
            setBootstrapVariable QMAKE_CXXFLAGS_DEBUG
            EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS \$(QMAKE_CXXFLAGS_DEBUG)"
        fi

	adjrelpath=`echo "$relpath" | sed 's/ /\\\\\\\\ /g'`
	adjoutpath=`echo "$outpath" | sed 's/ /\\\\\\\\ /g'`
	adjqmakespec=`echo "$QMAKESPEC" | sed 's/ /\\\\\\\\ /g'`

        echo "BUILD_PATH = .." >> "$mkfile"
        echo "SOURCE_PATH = $adjrelpath" >> "$mkfile"
        if [ -e "$relpath/.git" ]; then
            echo 'INC_PATH = $(BUILD_PATH)/include' >> "$mkfile"
        else
            echo 'INC_PATH = $(SOURCE_PATH)/include' >> "$mkfile"
        fi
        echo "QMAKESPEC = $adjqmakespec" >> "$mkfile"
        echo "QT_VERSION = $QT_VERSION" >> "$mkfile"
        echo "QT_MAJOR_VERSION = $QT_MAJOR_VERSION" >> "$mkfile"
        echo "QT_MINOR_VERSION = $QT_MINOR_VERSION" >> "$mkfile"
        echo "QT_PATCH_VERSION = $QT_PATCH_VERSION" >> "$mkfile"
        echo "CONFIG_CXXFLAGS = $EXTRA_CXXFLAGS" >> "$mkfile"
        echo "CONFIG_LFLAGS = $EXTRA_LFLAGS" >> "$mkfile"
        echo "RM_F = rm -f" >> "$mkfile"
        echo "RM_RF = rm -rf" >> "$mkfile"

        case `basename "$PLATFORM"` in
        win32-g++*)
            cat "$in_mkfile.win32" >> "$mkfile"
            ;;
        *)
            cat "$in_mkfile.unix" >> "$mkfile"
            if [ "$BUILD_ON_MAC" = "yes" ]; then
                cat "$in_mkfile.macos" >> "$mkfile"
            fi
            ;;
        esac
        echo >>"$mkfile"

        if [ "$BUILD_ON_MAC" = "yes" ]; then
            echo "EXTRA_CXXFLAGS += -MMD" >> "$mkfile"
            cat "$in_mkfile" >> "$mkfile"
            echo "-include \$(notdir \$(DEPEND_SRC:%.cpp=%.d))" >> "$mkfile"
        else
            cat "$in_mkfile" >> "$mkfile"
            if "$WHICH" makedepend >/dev/null 2>&1 && grep 'depend:' "$mkfile" >/dev/null 2>&1; then
                (cd "$outpath/qmake" && "$MAKE" -f "$mkfile" depend) >/dev/null 2>&1
                sed 's,^.*/\([^/]*.o\):,\1:,g' "$mkfile" >"$mkfile.tmp"
                sed "s,$outpath,$adjoutpath,g" "$mkfile.tmp" >"$mkfile"
                rm "$mkfile.tmp"
            fi
        fi

    if [ "$OPT_VERBOSE" = yes ]; then
        # Show the output of make
        (cd "$outpath/qmake"; "$MAKE") || exit 2
    else
        # Hide the output of make
        # Use bash to print dots, if we have it, and stdout is a tty.
        if test -t 1 && $WHICH bash > /dev/null 2>/dev/null; then
            bash -c 'set -o pipefail
                cd "$0/qmake"; "$1" | while read line; do
                    builtin echo -n .
                done' "$outpath" "$MAKE" || exit 2
        else
            (cd "$outpath/qmake"; "$MAKE" -s) || exit 2
        fi
        echo "Done."
    fi

#-------------------------------------------------------------------------------
# create a qt.conf for the Qt build tree itself
#-------------------------------------------------------------------------------

printInstallPaths()
{
    cat <<EOF
Documentation=$QT_REL_INSTALL_DOCS
Headers=$QT_REL_INSTALL_HEADERS
Libraries=$QT_REL_INSTALL_LIBS
LibraryExecutables=$QT_REL_INSTALL_LIBEXECS
Binaries=$QT_REL_INSTALL_BINS
Plugins=$QT_REL_INSTALL_PLUGINS
Imports=$QT_REL_INSTALL_IMPORTS
Qml2Imports=$QT_REL_INSTALL_QML
ArchData=$QT_REL_INSTALL_ARCHDATA
Data=$QT_REL_INSTALL_DATA
Translations=$QT_REL_INSTALL_TRANSLATIONS
Examples=$QT_REL_INSTALL_EXAMPLES
Tests=$QT_REL_INSTALL_TESTS
EOF
}

QTCONFFILE="$outpath/bin/qt.conf"
cat > "$QTCONFFILE" <<EOF
[EffectivePaths]
Prefix=..
EOF
if [ -n "$CFG_HOST_QT_TOOLS_PATH" ]; then
    cat >> "$QTCONFFILE" <<EOF
[DevicePaths]
Prefix=$QT_INSTALL_PREFIX
`printInstallPaths`
[Paths]
Prefix=$QT_EXT_PREFIX
`printInstallPaths`
HostPrefix=$QT_HOST_PREFIX
HostBinaries=$QT_REL_HOST_BINS
HostLibraries=$QT_REL_HOST_LIBS
HostData=$QT_REL_HOST_DATA
TargetSpec=$XPLATFORM
HostSpec=$PLATFORM
EOF
    if [ -n "$CFG_SYSROOT" ]; then
        cat >> "$QTCONFFILE" <<EOF
Sysroot=$CFG_SYSROOT
EOF
    fi
fi
if [ x"$relpath" != x"$outpath" ]; then
    cat >> "$QTCONFFILE" <<EOF
[EffectiveSourcePaths]
Prefix=$relpath
EOF
fi

[ -z "$CFG_HOST_QT_TOOLS_PATH" ] && CFG_HOST_QT_TOOLS_PATH="$outpath/bin"
CFG_QMAKE_PATH="$CFG_HOST_QT_TOOLS_PATH/qmake"

#-------------------------------------------------------------------------------
# write out device config before we run the test.
#-------------------------------------------------------------------------------
DEVICE_VARS_OUTFILE="$outpath/mkspecs/qdevice.pri"
if cmp -s "$DEVICE_VARS_FILE" "$DEVICE_VARS_OUTFILE"; then
    rm -f "$DEVICE_VARS_FILE"
else
    mv -f $DEVICE_VARS_FILE "$DEVICE_VARS_OUTFILE"
    DEVICE_VARS_FILE="$DEVICE_VARS_OUTFILE"
fi

#-------------------------------------------------------------------------------
# write out host config.
#-------------------------------------------------------------------------------
HOST_VARS_OUTFILE="$outpath/mkspecs/qhost.pri"
if cmp -s "$HOST_VARS_FILE" "$HOST_VARS_OUTFILE"; then
    rm -f "$HOST_VARS_FILE"
else
    mv -f $HOST_VARS_FILE "$HOST_VARS_OUTFILE"
    HOST_VARS_FILE="$HOST_VARS_OUTFILE"
fi

#-------------------------------------------------------------------------------
# run configure tests
#-------------------------------------------------------------------------------

# copy some variables that are still being computed in the shell script into an input file for configure
# This should go away in the future

cat > "$outpath/config.tests/configure.cfg" <<EOF
# Feature defaults set by configure command line
config.input.qt_edition = $Edition
config.input.qt_licheck = $Licheck
config.input.qt_release_date = $ReleaseDate
EOF

# recreate command line for qmake
set -f
SAVED_IFS=$IFS
IFS='
'
for i in $QMAKE_CMDLINE; do
    set -- "$@" "$i"
done
set +f
IFS=$SAVED_IFS

#-------------------------------------------------------------------------------
# configure and build top-level makefile
#-------------------------------------------------------------------------------

if [ -n "$CFG_TOPLEVEL" ]; then
    cd ..
fi

"$CFG_QMAKE_PATH" -qtconf "$QTCONFFILE" "$relpathMangled" -- "$@" || exit

#-------------------------------------------------------------------------------
# finally save the executed command to another script
#-------------------------------------------------------------------------------
if [ $CFG_REDO = no ]; then
    if [ "$OPT_CONFIRM_LICENSE" = "no" ]; then
        OPT_CMDLINE="$OPT_CMDLINE
-confirm-license"
    fi

    # skip first line, as it's always empty due to unconditional field separation
    echo "$OPT_CMDLINE" | tail -n +2 > config.opt

    [ -f "config.status" ] && rm -f config.status
    echo "#!/bin/sh" > config.status
    echo "$relpathMangled/$relconf -redo \"\$@\"" >> config.status
    chmod +x config.status
fi

#-------------------------------------------------------------------------------
# final notes for the user
#-------------------------------------------------------------------------------

if [ -n "$PLATFORM_NOTES" ]; then
    echo
    echo "Platform notes:"
    echo "$PLATFORM_NOTES"
else
    echo
fi

if [ -n "$PREFIX_COMPLAINTS" ]; then
    echo
    echo "$PREFIX_COMPLAINTS"
    echo
fi

MAKE=`basename "$MAKE"`
echo
echo Qt is now configured for building. Just run \'$MAKE\'.
if [ "$outpath" = "$QT_INSTALL_PREFIX" ]; then
    echo Once everything is built, Qt is installed.
    echo You should not run \'$MAKE install\'.
else
    echo Once everything is built, you must run \'$MAKE install\'.
    echo Qt will be installed into $QT_INSTALL_PREFIX
fi
echo
echo Prior to reconfiguration, make sure you remove any leftovers from
echo the previous build.
echo