Modules/FindQt3.cmake

   1 # - Locate Qt include paths and libraries
   2 # This module defines:
   3 #  QT_INCLUDE_DIR - where to find qt.h, etc.
   4 #  QT_LIBRARIES   - the libraries to link against to use Qt.
   5 #  QT_DEFINITIONS - definitions to use when
   6 #                   compiling code that uses Qt.
   7 #  QT_FOUND       - If false, don't try to use Qt.
   8 #
   9 # If you need the multithreaded version of Qt, set QT_MT_REQUIRED to TRUE
  10 #
  11 # Also defined, but not for general use are:
  12 #  QT_MOC_EXECUTABLE, where to find the moc tool.
  13 #  QT_UIC_EXECUTABLE, where to find the uic tool.
  14 #  QT_QT_LIBRARY, where to find the Qt library.
  15 #  QT_QTMAIN_LIBRARY, where to find the qtmain
  16 #   library. This is only required by Qt3 on Windows.
  17
  18 # These are around for backwards compatibility
  19 # they will be set
  20 #  QT_WRAP_CPP, set true if QT_MOC_EXECUTABLE is found
  21 #  QT_WRAP_UI set true if QT_UIC_EXECUTABLE is found
  22
  23 # If Qt4 has already been found, fail.
  24 IF(QT4_FOUND)
  25   IF(Qt3_FIND_REQUIRED)
  26     MESSAGE( FATAL_ERROR "Qt3 and Qt4 cannot be used together in one project.")
  27   ELSE(Qt3_FIND_REQUIRED)
  28     IF(NOT Qt3_FIND_QUIETLY)
  29       MESSAGE( STATUS    "Qt3 and Qt4 cannot be used together in one project.")
  30     ENDIF(NOT Qt3_FIND_QUIETLY)
  31     RETURN()
  32   ENDIF(Qt3_FIND_REQUIRED)
  33 ENDIF(QT4_FOUND)
  34
  35
  36 FILE(GLOB GLOB_PATHS_BIN /usr/lib/qt-3*/bin/)
  37 FIND_PATH(QT_INCLUDE_DIR qt.h
  38   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/include/Qt"
  39   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/include/Qt"
  40   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/include/Qt"
  41   $ENV{QTDIR}/include
  42   ${GLOB_PATHS_BIN}
  43   /usr/local/qt/include
  44   /usr/lib/qt/include
  45   /usr/lib/qt3/include
  46   /usr/include/qt
  47   /usr/share/qt3/include
  48   C:/Progra~1/qt/include
  49   /usr/include/qt3
  50   )
  51
  52 # if qglobal.h is not in the qt_include_dir then set
  53 # QT_INCLUDE_DIR to NOTFOUND
  54 IF(NOT EXISTS ${QT_INCLUDE_DIR}/qglobal.h)
  55   SET(QT_INCLUDE_DIR QT_INCLUDE_DIR-NOTFOUND CACHE PATH "path to Qt3 include directory" FORCE)
  56 ENDIF(NOT EXISTS ${QT_INCLUDE_DIR}/qglobal.h)
  57
  58 IF(QT_INCLUDE_DIR)
  59   #extract the version string from qglobal.h
  60   FILE(READ ${QT_INCLUDE_DIR}/qglobal.h QGLOBAL_H)
  61   STRING(REGEX MATCH "#define[\t ]+QT_VERSION_STR[\t ]+\"([0-9]+.[0-9]+.[0-9]+)\"" QGLOBAL_H "${QGLOBAL_H}")
  62   STRING(REGEX REPLACE ".*\"([0-9]+.[0-9]+.[0-9]+)\".*" "\\1" qt_version_str "${QGLOBAL_H}")
  63
  64   # Under windows the qt library (MSVC) has the format qt-mtXYZ where XYZ is the
  65   # version X.Y.Z, so we need to remove the dots from version
  66   STRING(REGEX REPLACE "\\." "" qt_version_str_lib "${qt_version_str}")
  67 ENDIF(QT_INCLUDE_DIR)
  68
  69 FILE(GLOB GLOB_PATHS_LIB /usr/lib/qt-3*/lib/)
  70 IF (QT_MT_REQUIRED)
  71   FIND_LIBRARY(QT_QT_LIBRARY
  72     NAMES
  73     qt-mt qt-mt${qt_version_str_lib} qt-mtnc${qt_version_str_lib}
  74     qt-mtedu${qt_version_str_lib} qt-mt230nc qt-mtnc321 qt-mt3
  75     PATHS
  76   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/lib"
  77   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/lib"
  78   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/lib"
  79     $ENV{QTDIR}/lib
  80     ${GLOB_PATHS_LIB}
  81     /usr/local/qt/lib
  82     /usr/lib/qt/lib
  83     /usr/lib/qt3/lib
  84     /usr/lib/qt3/lib64
  85     /usr/share/qt3/lib
  86     C:/Progra~1/qt/lib
  87     )
  88
  89 ELSE (QT_MT_REQUIRED)
  90   FIND_LIBRARY(QT_QT_LIBRARY
  91     NAMES
  92     qt qt-${qt_version_str_lib} qt-edu${qt_version_str_lib}
  93     qt-mt qt-mt${qt_version_str_lib} qt-mtnc${qt_version_str_lib}
  94     qt-mtedu${qt_version_str_lib} qt-mt230nc qt-mtnc321 qt-mt3
  95     PATHS
  96     "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/lib"
  97     "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/lib"
  98     "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/lib"
  99     $ENV{QTDIR}/lib
 100     ${GLOB_PATHS_LIB}
 101     /usr/local/qt/lib
 102     /usr/lib/qt/lib
 103     /usr/lib/qt3/lib
 104     /usr/lib/qt3/lib64
 105     /usr/share/qt3/lib
 106     C:/Progra~1/qt/lib
 107     )
 108 ENDIF (QT_MT_REQUIRED)
 109
 110
 111 FIND_LIBRARY(QT_QASSISTANTCLIENT_LIBRARY
 112   NAMES qassistantclient
 113   PATHS
 114   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/lib"
 115   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/lib"
 116   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/lib"
 117   $ENV{QTDIR}/lib
 118   ${GLOB_PATHS_LIB}
 119   /usr/local/qt/lib
 120   /usr/lib/qt3/lib
 121   /usr/lib/qt3/lib64
 122   /usr/share/qt3/lib
 123   C:/Progra~1/qt/lib
 124   )
 125
 126 # qt 3 should prefer QTDIR over the PATH
 127 FIND_PROGRAM(QT_MOC_EXECUTABLE
 128   NAMES moc moc-qt3
 129   HINTS
 130   $ENV{QTDIR}/bin
 131   PATHS
 132   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/include/Qt"
 133   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/include/Qt"
 134   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/include/Qt"
 135   $ENV{QTDIR}/bin
 136   ${GLOB_PATHS_BIN}
 137   /usr/local/qt/bin
 138   /usr/lib/qt/bin
 139   /usr/lib/qt3/bin
 140   /usr/share/qt3/bin
 141   C:/Progra~1/qt/bin
 142   /usr/X11R6/bin
 143   )
 144
 145 IF(QT_MOC_EXECUTABLE)
 146   SET ( QT_WRAP_CPP "YES")
 147 ENDIF(QT_MOC_EXECUTABLE)
 148
 149 # qt 3 should prefer QTDIR over the PATH
 150 FIND_PROGRAM(QT_UIC_EXECUTABLE uic
 151   HINTS
 152   $ENV{QTDIR}/bin
 153   PATHS
 154   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/include/Qt"
 155   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/include/Qt"
 156   "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/include/Qt"
 157   ${GLOB_PATHS_BIN}
 158   /usr/local/qt/bin
 159   /usr/lib/qt/bin
 160   /usr/lib/qt3/bin
 161   /usr/share/qt3/bin
 162   C:/Progra~1/qt/bin
 163   /usr/X11R6/bin
 164   )
 165
 166 IF(QT_UIC_EXECUTABLE)
 167   SET ( QT_WRAP_UI "YES")
 168 ENDIF(QT_UIC_EXECUTABLE)
 169
 170 IF (WIN32)
 171   FIND_LIBRARY(QT_QTMAIN_LIBRARY qtmain
 172     "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/lib"
 173     "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/lib"
 174     "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/lib"
 175     "$ENV{ProgramFiles}/qt/lib"
 176     $ENV{QTDIR}/lib "C:/Program Files/qt/lib"
 177     DOC "This Library is only needed by and included with Qt3 on MSWindows. It should be NOTFOUND, undefined or IGNORE otherwise."
 178     )
 179 ENDIF (WIN32)
 180
 181
 182 IF (QT_MIN_VERSION)
 183
 184   STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" qt_major_vers "${qt_version_str}")
 185   STRING(REGEX REPLACE "[0-9]+\\.([0-9]+)\\.[0-9]+" "\\1" qt_minor_vers "${qt_version_str}")
 186   STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" qt_patch_vers "${qt_version_str}")
 187
 188   #now parse the parts of the user given version string into variables
 189   STRING(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+$" req_qt_major_vers "${QT_MIN_VERSION}")
 190   IF (NOT req_qt_major_vers)
 191     error_message(  "Invalid Qt version string given: \"${QT_MIN_VERSION}\", expected e.g. \"3.1.5\"")
 192   ENDIF (NOT req_qt_major_vers)
 193
 194   STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" req_qt_major_vers "${QT_MIN_VERSION}")
 195   STRING(REGEX REPLACE "[0-9]+\\.([0-9])+\\.[0-9]+" "\\1" req_qt_minor_vers "${QT_MIN_VERSION}")
 196   STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" req_qt_patch_vers "${QT_MIN_VERSION}")
 197
 198   # req = "6.5.4", qt = "3.2.1"
 199   MACRO(error_message msg)
 200     IF(QT3_REQUIRED)
 201       MESSAGE( FATAL_ERROR ${msg})
 202     ELSE(QT3_REQUIRED)
 203       MESSAGE( STATUS ${msg})
 204     ENDIF(QT3_REQUIRED)
 205   ENDMACRO(error_message)
 206
 207   IF (req_qt_major_vers GREATER qt_major_vers)                  # (6 > 3) ?
 208     ERROR_MESSAGE(  "Qt major version not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})")            # yes
 209   ELSE  (req_qt_major_vers GREATER qt_major_vers)               # no
 210     IF (req_qt_major_vers LESS qt_major_vers)                  # (6 < 3) ?
 211       SET( QT_VERSION_BIG_ENOUGH "YES" )                      # yes
 212     ELSE (req_qt_major_vers LESS qt_major_vers)                # ( 6==3) ?
 213       IF (req_qt_minor_vers GREATER qt_minor_vers)            # (5>2) ?
 214         ERROR_MESSAGE(  "Qt minor version not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})")      # yes
 215       ELSE (req_qt_minor_vers GREATER qt_minor_vers)          # no
 216         IF (req_qt_minor_vers LESS qt_minor_vers)            # (5<2) ?
 217           SET( QT_VERSION_BIG_ENOUGH "YES" )                # yes
 218         ELSE (req_qt_minor_vers LESS qt_minor_vers)          # (5==2)
 219           IF (req_qt_patch_vers GREATER qt_patch_vers)      # (4>1) ?
 220             ERROR_MESSAGE(  "Qt patch level not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})")  # yes
 221           ELSE (req_qt_patch_vers GREATER qt_patch_vers)    # (4>1) ?
 222             SET( QT_VERSION_BIG_ENOUGH "YES" )             # yes
 223           ENDIF (req_qt_patch_vers GREATER qt_patch_vers)   # (4>1) ?
 224         ENDIF (req_qt_minor_vers LESS qt_minor_vers)
 225       ENDIF (req_qt_minor_vers GREATER qt_minor_vers)
 226     ENDIF (req_qt_major_vers LESS qt_major_vers)
 227   ENDIF (req_qt_major_vers GREATER qt_major_vers)
 228 ENDIF (QT_MIN_VERSION)
 229
 230 # if the include a library are found then we have it
 231 IF(QT_INCLUDE_DIR AND QT_QT_LIBRARY)
 232   SET( QT_FOUND "YES" )
 233 ENDIF(QT_INCLUDE_DIR AND QT_QT_LIBRARY)
 234
 235 IF(QT_FOUND)
 236   SET( QT_LIBRARIES ${QT_LIBRARIES} ${QT_QT_LIBRARY} )
 237   SET( QT_DEFINITIONS "")
 238
 239   IF (WIN32 AND NOT CYGWIN)
 240     IF (QT_QTMAIN_LIBRARY)
 241       # for version 3
 242       SET (QT_DEFINITIONS -DQT_DLL -DQT_THREAD_SUPPORT -DNO_DEBUG)
 243       SET (QT_LIBRARIES imm32.lib ${QT_QT_LIBRARY} ${QT_QTMAIN_LIBRARY} )
 244       SET (QT_LIBRARIES ${QT_LIBRARIES} winmm wsock32)
 245     ELSE (QT_QTMAIN_LIBRARY)
 246       # for version 2
 247       SET (QT_LIBRARIES imm32.lib ws2_32.lib ${QT_QT_LIBRARY} )
 248     ENDIF (QT_QTMAIN_LIBRARY)
 249   ELSE (WIN32 AND NOT CYGWIN)
 250     SET (QT_LIBRARIES ${QT_QT_LIBRARY} )
 251
 252     SET (QT_DEFINITIONS -DQT_SHARED -DQT_NO_DEBUG)
 253     IF(QT_QT_LIBRARY MATCHES "qt-mt")
 254       SET (QT_DEFINITIONS ${QT_DEFINITIONS} -DQT_THREAD_SUPPORT -D_REENTRANT)
 255     ENDIF(QT_QT_LIBRARY MATCHES "qt-mt")
 256
 257   ENDIF (WIN32 AND NOT CYGWIN)
 258
 259   IF (QT_QASSISTANTCLIENT_LIBRARY)
 260     SET (QT_LIBRARIES ${QT_QASSISTANTCLIENT_LIBRARY} ${QT_LIBRARIES})
 261   ENDIF (QT_QASSISTANTCLIENT_LIBRARY)
 262
 263   # Backwards compatibility for CMake1.4 and 1.2
 264   SET (QT_MOC_EXE ${QT_MOC_EXECUTABLE} )
 265   SET (QT_UIC_EXE ${QT_UIC_EXECUTABLE} )
 266   # for unix add X11 stuff
 267   IF(UNIX)
 268     FIND_PACKAGE(X11)
 269     IF (X11_FOUND)
 270       SET (QT_LIBRARIES ${QT_LIBRARIES} ${X11_LIBRARIES})
 271     ENDIF (X11_FOUND)
 272     IF (CMAKE_DL_LIBS)
 273       SET (QT_LIBRARIES ${QT_LIBRARIES} ${CMAKE_DL_LIBS})
 274     ENDIF (CMAKE_DL_LIBS)
 275   ENDIF(UNIX)
 276   IF(QT_QT_LIBRARY MATCHES "qt-mt")
 277     FIND_PACKAGE(Threads)
 278     SET(QT_LIBRARIES ${QT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
 279   ENDIF(QT_QT_LIBRARY MATCHES "qt-mt")
 280 ENDIF(QT_FOUND)
 281
 282 EXEC_PROGRAM(${QT_MOC_EXECUTABLE} ARGS "-v" OUTPUT_VARIABLE QTVERSION_MOC)
 283 EXEC_PROGRAM(${QT_UIC_EXECUTABLE} ARGS "-version" OUTPUT_VARIABLE QTVERSION_UIC)
 284
 285 SET(_QT_UIC_VERSION_3 FALSE)
 286 IF("${QTVERSION_UIC}" MATCHES ".* 3..*")
 287   SET(_QT_UIC_VERSION_3 TRUE)
 288 ENDIF("${QTVERSION_UIC}" MATCHES ".* 3..*")
 289
 290 SET(_QT_MOC_VERSION_3 FALSE)
 291 IF("${QTVERSION_MOC}" MATCHES ".* 3..*")
 292   SET(_QT_MOC_VERSION_3 TRUE)
 293 ENDIF("${QTVERSION_MOC}" MATCHES ".* 3..*")
 294
 295 SET(QT_WRAP_CPP FALSE)
 296 IF (QT_MOC_EXECUTABLE AND _QT_MOC_VERSION_3)
 297   SET ( QT_WRAP_CPP TRUE)
 298 ENDIF (QT_MOC_EXECUTABLE AND _QT_MOC_VERSION_3)
 299
 300 SET(QT_WRAP_UI FALSE)
 301 IF (QT_UIC_EXECUTABLE AND _QT_UIC_VERSION_3)
 302   SET ( QT_WRAP_UI TRUE)
 303 ENDIF (QT_UIC_EXECUTABLE AND _QT_UIC_VERSION_3)
 304
 305 MARK_AS_ADVANCED(
 306   QT_INCLUDE_DIR
 307   QT_QT_LIBRARY
 308   QT_QTMAIN_LIBRARY
 309   QT_QASSISTANTCLIENT_LIBRARY
 310   QT_UIC_EXECUTABLE
 311   QT_MOC_EXECUTABLE
 312   QT_WRAP_CPP
 313   QT_WRAP_UI
 314   )