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 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`

# do this early so we don't store it in config.status
CFG_TOPLEVEL=
outpathPrefix=

checkTopLevelBuild()
{
    relpathMangled=$relpath
    if [ x"$1" = x"-top-level" ]; then
        CFG_TOPLEVEL=yes
        relpathMangled=`dirname "$relpath"`
        outpathPrefix=../
    else
        if [ -f ../.qmake.super ]; then
            echo >&2 "ERROR: You cannot configure qtbase separately within a top-level build."
            exit 1
        fi
    fi
}

OPT_CMDLINE=  # expanded version for the script
determineOptFilePath()
{
set -f  # suppress globbing in for loop
SAVED_IFS=$IFS
IFS='
'
for i in "$@"; do
    if [ x"$i" = x"-top-level" ]; then
        continue
    fi
    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
$a"
            done
            ;;
        *)
            OPT_CMDLINE="$OPT_CMDLINE
$i"
            ;;
    esac
done
set --
for i in $OPT_CMDLINE; do
    set -- "$@" "$i"
done
set +f
IFS=$SAVED_IFS
}

#-------------------------------------------------------------------------------
# initialize variables
#-------------------------------------------------------------------------------

OPT_HELP=

#-------------------------------------------------------------------------------
# parse command line arguments
#-------------------------------------------------------------------------------
parseCommandline()
{
# 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| \
    -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| \
    -sdk| \
    -android-sdk| \
    -android-ndk| \
    -android-ndk-platform| \
    -android-ndk-host| \
    -android-arch)
        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 "$VAR" in
    external-hostbindir)
        CFG_HOST_QT_TOOLS_PATH="$VAL"
        ;;
    h|help)
        if [ "$VAL" = "yes" ]; then
            OPT_HELP="$VAL"
        else
            UNKNOWN_OPT=yes
        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
#-------------------------------------------------------------------------------
handleHelp()
{
if [ "$OPT_HELP" = "yes" ]; then
    cat $relpath/config_help.txt
    if [ -n "$CFG_TOPLEVEL" ]; then
        IFS='
'
        for i in $relpathMangled/qt*/config_help.txt; do
            if [ x"$i" != x"$relpath/config_help.txt" ]; then
                echo
                cat "$i"
            fi
        done
    fi
    exit 0
fi
}

checkTopLevelBuild "$@"
parseCommandline "$@"
handleHelp
determineOptFilePath "$@"
optfilename=config.opt
if [ -z "$optfile" ]; then   # only write optfile if not currently redoing
    optfilepath=${outpathPrefix}${optfilename}
    > "$optfilepath"
    for arg in "$@"; do
        if [ "$arg" = "-top-level" ]; then
           continue
        fi
        echo $arg >> "$optfilepath"
    done
fi

top_level_arg=
if [ -n "$CFG_TOPLEVEL" ]; then
    top_level_arg=-DTOP_LEVEL=TRUE
    cd ..
fi

cmake "-DOPTFILE=$optfilename" $top_level_arg -P "$relpath/cmake/QtProcessConfigureArgs.cmake"