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# Copyright (C) 2001-2006 Simon Baldwin (simon_baldwin@yahoo.com)
# Copyright (C) 2011-2014 Kamil Ignacak (acerion@wp.pl)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Script that detects some paths/files necessary to build
# Qt4 application using autotools.
# On success, the script sets three variables for build system by making
# these two calls:
# AC_SUBST(QT4CFLAGS, $QT4_CFLAGS)
# AC_SUBST(QT4LIBS)
# AC_SUBST(QT4MOC)
# You can include this file to your configure.ac file like this:
# # detection of Qt4 moc and Qt4 include dir
# m4_include([configure.qt.inc])
MOC_MAJOR_EARLIEST=4
# There are four major tasks performed by this script:
# Task 1: find Qt4 include directory, and for QT4 library
# Task 2: find Qt4 moc
# Task 3: make sure that major version of the moc is >= MOC_MAJOR_EARLIEST
# Task 4: on success set up some build system variables (AC_SUBST)
QT4CFLAGS="" # QT4-related define flags, and full path to directory with QT4 QtCore + QtGui subdirs and include files, e.g. /usr/include/qt4/
QT4MOC="" # full path to Qt4 moc
# QT4DIR="" # for testing purposes
AC_ARG_WITH([qt-cflags],
AC_HELP_STRING([--with-qt-cflags=<string>],
[Qt4-related defines, and path to Qt4 include files]),
[QT4CFLAGS=$with_qt_cflags])
AC_ARG_WITH([qt-libraries],
AC_HELP_STRING([--with-qt-libraries=<path>],
[path to qt4 libraries]),
[QT4LIBS=$with_qt_libraries])
# Task 1: find Qt4 include directory, and for QT4 library
PKG_CHECK_MODULES([QT4], [ "QtCore QtGui"],
[ AC_SUBST(QT4CFLAGS, $QT4_CFLAGS) AC_SUBST(QT4LIBS) ],
[ AC_MSG_ERROR([Qt4 libs not found])
])
# Task 2: find Qt4 moc
QT4MOC=""
QT4MOC_PATH=""
QT4MOC_PATH=${MOC}
if [[ $MOC ]] ; then
QT4MOC_PATH=${MOC}
ac_cv_path_QT4MOC_PATH=$MOC
echo ac_cv_path_QT4MOC_PATH $ac_cv_path_QT4MOC_PATH
elif [[ -z $QT4DIR ]] ; then
# we should guess where Qt4 moc binary is;
# first we see if we are lucky and Qt4 moc installed on build machine
# is called moc-qt4;
# on my system /usr/bin/moc links to /etc/alternatives/moc, which links
# to /usr/binary/moc-qt4 - the real binary
AC_PATH_PROG(QT4MOC_PATH, moc-qt4, , $PATH)
if [[[ "$QT4MOC_PATH" = "" ]]] ; then
# there is no moc-qt4, so let's try to find "regular" moc;
# we will check its version below
AC_PATH_PROG(QT4MOC_PATH, moc, , $PATH)
fi
else
# There is a decent build environment on this build machine, it
# defines/provides a $QT4DIR environment variable. Use it to find
# Qt4 moc, and to locate Qt4 include dir (which should be trivial).
# Look for moc, either on $PATH (?), or in $QT4DIR/bin.
AC_PATH_PROG(QT4MOC_PATH, moc, , $QT4DIR/bin:$PATH)
fi
# Task 3: make sure that major version of the moc is >= MOC_MAJOR_EARLIEST
if [[ "$QT4MOC_PATH" ]] ; then
MOC_VERSION="`$QT4MOC_PATH -v 2>&1 | sed -e 's;.*(Qt ;;' -e 's;).*;;'`"
if [[ "$MOC_VERSION" ]] ; then
MOC_MAJOR="`echo $MOC_VERSION | sed -e 's;\..*;;'`"
expr "$MOC_MAJOR" + 0 >/dev/null 2>/dev/null
status=$?
if [[ "$MOC_MAJOR" -a $status = "0" ]] ; then
if [[ "$MOC_MAJOR" -lt "$MOC_MAJOR_EARLIEST" ]] ; then
AC_MSG_WARN("Found moc $MOC_VERSION - unable to build xcwcp")
AC_MSG_WARN(["xcwcp requires moc version >= $MOC_MAJOR_EARLIEST"])
else
QT4MOC=$QT4MOC_PATH
AC_SUBST(QT4MOC)
fi
else
AC_MSG_WARN(["Can't get moc major version - unable to build xcwcp"])
fi
else
AC_MSG_WARN(["Can't get moc version - unable to build xcwcp"])
fi
else
AC_MSG_WARN(["Can't find moc - unable to build xcwcp"])
fi
# Task 4: on success set up some build system variables (AC_SUBST)
if [[ "$QT4CFLAGS" -a "$QT4MOC" ]] ; then
echo "Qt4 CFLAGS is $QT4CFLAGS"
echo "Qt4 moc is $QT4MOC"
else
if [[ -z "$QT4CFLAGS" ]] ; then
AC_MSG_WARN(["Can't find directory with Qt4 header files - unable to build xcwcp"])
fi
if [[ -z "$QT4MOC" ]] ; then
AC_MSG_WARN(["Can't find Qt moc version >= $MOC_MAJOR_EARLIEST - unable to build xcwcp"])
AC_MSG_WARN(["Hint: to build xcwcp make sure that moc is in QT4DIR/bin on your PATH"])
fi
AC_MSG_WARN(["Hint: try setting QT4DIR env variable per instructions in unixcw/INSTALL"])
QT4CFLAGS=""
QT4MOC=""
fi
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