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#################################################
#
# (C) 2010 Serghei Amelian
# serghei (DOT) amelian (AT) gmail.com
#
# Improvements and feedback are welcome
#
# This file is released under GPL >= 2
#
#################################################
macro( __tde_internal_find_qt_program __progname __output )
find_program( ${__output}
NAMES ${__progname}
HINTS ${QTDIR}/bin $ENV{QTDIR}/bin
PATHS ${BINDIR} )
if( NOT ${__output} )
tde_message_fatal( "${__progname} are NOT found.\n Please check if Qt are correctly installed." )
endif( NOT ${__output} )
endmacro( __tde_internal_find_qt_program )
option( WITH_QT3 "Use TQt for Qt3" ON )
option( WITH_QT4 "Use TQt for Qt4 [EXPERIMENTAL]" OFF )
if( NOT QT_FOUND )
# See if TQt for Qt4 is available
# HACK HACK HACK
# This detection relies on the fact that TQt for Qt3 utilizes TQt.pc,
# whereas TQt for Qt4 utilizes tqt.pc
# Please find a better way to do this!
pkg_search_module( TQT tqt )
if( TQT_FOUND )
set( WITH_QT3 "OFF" )
set (WITH_QT4 "ON" )
endif()
if( WITH_QT4 )
# Set a default if not manually set
if ( NOT QT_INCLUDE_DIRS )
set( QT_INCLUDE_DIRS "/usr/include/qt4" )
endif ( NOT QT_INCLUDE_DIRS )
if ( NOT QT_LIBRARY_DIRS )
set( QT_LIBRARY_DIRS "/usr/lib" )
endif ( NOT QT_LIBRARY_DIRS )
# we search for moc only if is not already set (by user or previous run of cmake)
if( NOT QT_MOC_EXECUTABLE )
__tde_internal_find_qt_program( moc QT_MOC_EXECUTABLE )
endif( NOT QT_MOC_EXECUTABLE )
message( STATUS "checking for 'Qt4'")
# we run moc, to check which qt version is using
execute_process(
COMMAND ${QT_MOC_EXECUTABLE} -v
ERROR_VARIABLE __output
RESULT_VARIABLE __result
ERROR_STRIP_TRAILING_WHITESPACE )
# parse moc response, to extract Qt version
if( __result EQUAL 1 )
string( REGEX MATCH "^.*Qt (.+)\\)$" __dummy "${__output}" )
set( __version "${CMAKE_MATCH_1}" )
if( NOT __version )
tde_message_fatal( "Invalid response from moc:\n ${__output}" )
endif( NOT __version )
else( __result EQUAL 1 )
tde_message_fatal( "Unable to run moc!\n Qt are correctly installed?\n LD_LIBRARY_PATH are correctly set?" )
endif( __result EQUAL 1 )
# search for uic
__tde_internal_find_qt_program( uic-tqt QT_UIC_EXECUTABLE )
# try to find path to qt.h
# we assume that this path is Qt's include path
find_path( QT_INCLUDE_DIRS Qt/qconfig.h
${QT_INCLUDE_DIRS}
${QTDIR}/include
$ENV{QTDIR}/include )
if( NOT QT_INCLUDE_DIRS )
tde_message_fatal(
"Unable to find qconfig.h!
Qt are correctly installed?
Try to set QT_INCLUDE_DIRS manually.
Example: cmake -DQT_INCLUDE_DIRS=/usr/qt/4/include" )
endif( NOT QT_INCLUDE_DIRS )
# try to find libQtCore.so
# we assume that this is Qt's libraries path
find_path( QT_LIBRARY_DIRS libQtCore.so
${QT_LIBRARY_DIRS}
${QTDIR}/lib
$ENV{QTDIR}/lib )
if( NOT QT_LIBRARY_DIRS )
tde_message_fatal(
"Unable to find libQtCore.so!
Qt are correctly installed?
Try to set QT_LIBRARY_DIRS manually.
Example: cmake -DQT_LIBRARY_DIRS=/usr/qt/4/lib" )
endif( NOT QT_LIBRARY_DIRS )
message( STATUS " found Qt, version ${__version}" )
include_directories( ${QT_INCLUDE_DIRS} )
set( QT_FOUND true CACHE INTERNAL QT_FOUND FORCE )
set( QT_LIBRARIES "QtCore QtGui" CACHE INTERNAL QT_LIBRARIES FORCE )
set( QT_DEFINITIONS "-DQT_NO_ASCII_CAST -DQT_CLEAN_NAMESPACE -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION -DQT_THREAD_SUPPORT -D_REENTRANT" CACHE INTERNAL QT_DEFINITIONS FORCE )
endif( WITH_QT4 )
if( WITH_QT3 )
# we search for moc only if is not already set (by user or previous run of cmake)
if( NOT QT_MOC_EXECUTABLE )
__tde_internal_find_qt_program( moc QT_MOC_EXECUTABLE )
endif( NOT QT_MOC_EXECUTABLE )
message( STATUS "checking for 'Qt3'")
# we run moc, to check which qt version is using
execute_process(
COMMAND ${QT_MOC_EXECUTABLE} -v
ERROR_VARIABLE __output
RESULT_VARIABLE __result
ERROR_STRIP_TRAILING_WHITESPACE )
# parse moc response, to extract Qt version
if( __result EQUAL 1 )
string( REGEX MATCH "^.*Qt (.+)\\)$" __dummy "${__output}" )
set( __version "${CMAKE_MATCH_1}" )
if( NOT __version )
tde_message_fatal( "Invalid response from moc:\n ${__output}" )
endif( NOT __version )
else( __result EQUAL 1 )
tde_message_fatal( "Unable to run moc!\n Qt are correctly installed?\n LD_LIBRARY_PATH are correctly set?" )
endif( __result EQUAL 1 )
# search for uic
__tde_internal_find_qt_program( uic QT_UIC_EXECUTABLE )
# try to find path to qt.h
# we assume that this path is Qt's include path
find_path( QT_INCLUDE_DIRS qt.h
${QT_INCLUDE_DIRS}
${QTDIR}/include
$ENV{QTDIR}/include )
if( NOT QT_INCLUDE_DIRS )
tde_message_fatal(
"Unable to find qt.h!
Qt are correctly installed?
Try to set QT_INCLUDE_DIRS manually.
Example: cmake -DQT_INCLUDE_DIRS=/usr/qt/3/include" )
endif( NOT QT_INCLUDE_DIRS )
# try to find libqt-mt.so
# we assume that this is Qt's libraries path
find_path( QT_LIBRARY_DIRS libqt-mt.so
${QT_LIBRARY_DIRS}
${QTDIR}/lib
$ENV{QTDIR}/lib )
if( NOT QT_LIBRARY_DIRS )
tde_message_fatal(
"Unable to find libqt-mt.so!
Qt are correctly installed?
Try to set QT_LIBRARY_DIRS manually.
Example: cmake -DQT_LIBRARY_DIRS=/usr/qt/3/lib" )
endif( NOT QT_LIBRARY_DIRS )
# check if Qt3 is patched for compatibility with TQt
tde_save( CMAKE_REQUIRED_INCLUDES CMAKE_REQUIRED_LIBRARIES )
set( CMAKE_REQUIRED_INCLUDES ${QT_INCLUDE_DIRS} )
set( CMAKE_REQUIRED_LIBRARIES -L${QT_LIBRARY_DIRS} qt-mt )
check_cxx_source_compiles("
#include <qobjectlist.h>
#include <qobject.h>
int main(int, char**) { QObject::objectTreesListObject(); return 0; } "
HAVE_PATCHED_QT3 )
tde_restore( CMAKE_REQUIRED_INCLUDES CMAKE_REQUIRED_LIBRARIES )
if( NOT HAVE_PATCHED_QT3 )
tde_message_fatal( "Your Qt3 is not patched for compatibility with tqtinterface" )
endif()
message( STATUS " found patched Qt, version ${__version}" )
set( QT_FOUND true CACHE INTERNAL QT_FOUND FORCE )
set( QT_LIBRARIES "qt-mt" CACHE INTERNAL QT_LIBRARIES FORCE )
set( QT_DEFINITIONS "-DQT_NO_ASCII_CAST -DQT_CLEAN_NAMESPACE -DQT_NO_STL -DQT_NO_COMPAT -DQT_NO_TRANSLATION -DQT_THREAD_SUPPORT -D_REENTRANT" CACHE INTERNAL QT_DEFINITIONS FORCE )
endif( WITH_QT3 )
endif( NOT QT_FOUND )
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