Modules/FindQt.cmake

   1 # Locate Qt include paths and libraries
   2
   3 # This module defines
   4 # QT_INCLUDE_DIR, where to find qt.h, etc.
   5 # QT_LIBRARIES, the libraries to link against to use Qt.
   6 # QT_DEFINITIONS, definitions to use when 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 library. This is only required by Qt3 on Windows.
  16
  17 # These are around for backwards compatibility
  18 # they will be set
  19 # QT_WRAP_CPP, set true if QT_MOC_EXECUTABLE is found
  20 # QT_WRAP_UI set true if QT_UIC_EXECUTABLE is found
  21
  22
  23 FIND_PATH(QT_INCLUDE_DIR qt.h
  24   $ENV{QTDIR}/include
  25   /usr/local/qt/include
  26   /usr/local/include
  27   /usr/lib/qt/include
  28   /usr/include/qt
  29   /usr/include
  30   /usr/share/qt3/include
  31   C:/Progra~1/qt/include
  32   /usr/include/qt3
  33   )
  34
  35 IF(QT_INCLUDE_DIR)
  36   #extract the version string from qglobal.h
  37   FILE(READ ${QT_INCLUDE_DIR}/qglobal.h QGLOBAL_H)
  38   STRING(REGEX MATCH "#define[\t ]+QT_VERSION_STR[\t ]+\"([0-9]+.[0-9]+.[0-9]+)\"" QGLOBAL_H "${QGLOBAL_H}")
  39   STRING(REGEX REPLACE ".*\"([0-9]+.[0-9]+.[0-9]+)\".*" "\\1" QGLOBAL_H "${QGLOBAL_H}")
  40
  41   # Under windows the qt library (MSVC) has the format qt-mtXYZ where XYZ is the
  42   # version X.Y.Z, so we need to remove the dots from version
  43   STRING(REGEX REPLACE "\\." "" qt_version_str_lib "${QGLOBAL_H}")
  44 ELSE(QT_INCLUDE_DIR)
  45 ENDIF(QT_INCLUDE_DIR)
  46
  47
  48 IF (QT_MT_REQUIRED)
  49    FIND_LIBRARY(QT_QT_LIBRARY
  50         NAMES qt-mt qt-mt${qt_version_str_lib} qt-mt230nc
  51         PATHS
  52         $ENV{QTDIR}/lib
  53         /usr/local/qt/lib
  54         /usr/local/lib
  55         /usr/lib/qt/lib
  56         /usr/lib
  57         /usr/share/qt3/lib
  58         C:/Progra~1/qt/lib
  59      )
  60
  61 ELSE (QT_MT_REQUIRED)
  62   FIND_LIBRARY(QT_QT_LIBRARY
  63     NAMES qt qt-${qt_version_str_lib} qt-mt qt-mt230nc
  64     PATHS
  65     $ENV{QTDIR}/lib
  66     /usr/local/qt/lib
  67     /usr/local/lib
  68     /usr/lib/qt/lib
  69     /usr/lib
  70     /usr/share/qt3/lib
  71     C:/Progra~1/qt/lib
  72     )
  73 ENDIF (QT_MT_REQUIRED)
  74
  75 IF(QT_QT_LIBRARY)
  76 ELSE(QT_QT_LIBRARY)
  77 ENDIF(QT_QT_LIBRARY)
  78
  79
  80 FIND_LIBRARY(QT_QASSISTANTCLIENT_LIBRARY
  81   NAMES qassistantclient
  82   PATHS
  83   $ENV{QTDIR}/lib
  84   /usr/local/qt/lib
  85   /usr/local/lib
  86   /usr/lib
  87   /usr/share/qt3/lib
  88   C:/Progra~1/qt/lib
  89   )
  90
  91 FIND_PROGRAM(QT_MOC_EXECUTABLE
  92   NAMES moc moc-qt3
  93   PATHS
  94   $ENV{QTDIR}/bin
  95   /usr/local/qt/bin
  96   /usr/lib/qt/bin
  97   /usr/share/qt3/bin
  98   C:/Progra~1/qt/bin
  99   )
 100
 101 IF(QT_MOC_EXECUTABLE)
 102    SET ( QT_WRAP_CPP "YES")
 103 ELSE(QT_MOC_EXECUTABLE)
 104 ENDIF(QT_MOC_EXECUTABLE)
 105
 106 FIND_PROGRAM(QT_UIC_EXECUTABLE uic
 107   $ENV{QTDIR}/bin
 108   /usr/local/qt/bin
 109   /usr/lib/qt/bin
 110   /usr/share/qt3/bin
 111   C:/Progra~1/qt/bin
 112 )
 113
 114 IF(QT_UIC_EXECUTABLE)
 115    SET ( QT_WRAP_UI "YES")
 116 ELSE(QT_UIC_EXECUTABLE)
 117 ENDIF(QT_UIC_EXECUTABLE)
 118
 119 IF (WIN32)
 120   FIND_LIBRARY(QT_QTMAIN_LIBRARY qtmain
 121     $ENV{QTDIR}/lib C:/Progra~1/qt/lib
 122     DOC "This Library is only needed by and included with Qt3 on MSWindows. It should be NOTFOUND, undefined or IGNORE otherwise."
 123     )
 124 ENDIF (WIN32)
 125
 126
 127 IF (QT_MIN_VERSION)
 128
 129   STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" qt_major_vers "${qt_version_str}")
 130   STRING(REGEX REPLACE "[0-9]+\\.([0-9]+)\\.[0-9]+" "\\1" qt_minor_vers "${qt_version_str}")
 131   STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" qt_patch_vers "${qt_version_str}")
 132
 133   #now parse the parts of the user given version string into variables
 134   STRING(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+$" req_qt_major_vers "${QT_MIN_VERSION}")
 135   IF (NOT req_qt_major_vers)
 136     MESSAGE( FATAL_ERROR "Invalid Qt version string given: \"${QT_MIN_VERSION}\", expected e.g. \"3.1.5\"")
 137   ENDIF (NOT req_qt_major_vers)
 138
 139   STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" req_qt_major_vers "${QT_MIN_VERSION}")
 140   STRING(REGEX REPLACE "[0-9]+\\.([0-9])+\\.[0-9]+" "\\1" req_qt_minor_vers "${QT_MIN_VERSION}")
 141   STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" req_qt_patch_vers "${QT_MIN_VERSION}")
 142
 143   # req = "6.5.4", qt = "3.2.1"
 144
 145   IF (req_qt_major_vers GREATER qt_major_vers)                  # (6 > 3) ?
 146     MESSAGE(  FATAL_ERROR "Qt major version not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})")            # yes
 147   ELSE  (req_qt_major_vers GREATER qt_major_vers)               # no
 148     IF (req_qt_major_vers LESS qt_major_vers)                  # (6 < 3) ?
 149       SET( QT_VERSION_BIG_ENOUGH "YES" )                      # yes
 150     ELSE (req_qt_major_vers LESS qt_major_vers)                # ( 6==3) ?
 151       IF (req_qt_minor_vers GREATER qt_minor_vers)            # (5>2) ?
 152         MESSAGE(  FATAL_ERROR "Qt minor version not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})")      # yes
 153       ELSE (req_qt_minor_vers GREATER qt_minor_vers)          # no
 154         IF (req_qt_minor_vers LESS qt_minor_vers)            # (5<2) ?
 155           SET( QT_VERSION_BIG_ENOUGH "YES" )                # yes
 156         ELSE (req_qt_minor_vers LESS qt_minor_vers)          # (5==2)
 157           IF (req_qt_patch_vers GREATER qt_patch_vers)      # (4>1) ?
 158             MESSAGE( FATAL_ERROR "Qt patch level not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})")  # yes
 159           ELSE (req_qt_patch_vers GREATER qt_patch_vers)    # (4>1) ?
 160             SET( QT_VERSION_BIG_ENOUGH "YES" )             # yes
 161           ENDIF (req_qt_patch_vers GREATER qt_patch_vers)   # (4>1) ?
 162         ENDIF (req_qt_minor_vers LESS qt_minor_vers)
 163       ENDIF (req_qt_minor_vers GREATER qt_minor_vers)
 164     ENDIF (req_qt_major_vers LESS qt_major_vers)
 165   ENDIF (req_qt_major_vers GREATER qt_major_vers)
 166 ENDIF (QT_MIN_VERSION)
 167
 168 # if the include a library are found then we have it
 169 IF(QT_INCLUDE_DIR)
 170   IF(QT_QT_LIBRARY)
 171     SET( QT_FOUND "YES" )
 172   ENDIF(QT_QT_LIBRARY)
 173 ENDIF(QT_INCLUDE_DIR)
 174
 175 IF(QT_FOUND)
 176   SET( QT_LIBRARIES ${QT_LIBRARIES} ${QT_QT_LIBRARY} )
 177   SET( QT_DEFINITIONS "")
 178
 179   IF (WIN32 AND NOT CYGWIN)
 180     IF (QT_QTMAIN_LIBRARY)
 181       # for version 3
 182       SET (QT_DEFINITIONS "-DQT_DLL -DQT_THREAD_SUPPORT -DNO_DEBUG")
 183       SET (QT_LIBRARIES imm32.lib ${QT_QT_LIBRARY} ${QT_QTMAIN_LIBRARY} )
 184       SET (QT_LIBRARIES ${QT_LIBRARIES} winmm wsock32)
 185     ELSE (QT_QTMAIN_LIBRARY)
 186       # for version 2
 187       SET (QT_LIBRARIES imm32.lib ws2_32.lib ${QT_QT_LIBRARY} )
 188     ENDIF (QT_QTMAIN_LIBRARY)
 189   ELSE (WIN32 AND NOT CYGWIN)
 190     SET (QT_LIBRARIES ${QT_QT_LIBRARY} )
 191
 192     SET (QT_DEFINITIONS "-DQT_SHARED -DQT_NO_DEBUG")
 193     IF(QT_QT_LIBRARY MATCHES "qt-mt")
 194       SET (QT_DEFINITIONS ${QT_DEFINITIONS} -DQT_THREAD_SUPPORT -D_REENTRANT)
 195     ENDIF(QT_QT_LIBRARY MATCHES "qt-mt")
 196
 197   ENDIF (WIN32 AND NOT CYGWIN)
 198
 199   IF (QT_QASSISTANTCLIENT_LIBRARY)
 200     SET (QT_LIBRARIES ${QT_QASSISTANTCLIENT_LIBRARY} ${QT_LIBRARIES})
 201   ENDIF (QT_QASSISTANTCLIENT_LIBRARY)
 202
 203   # Backwards compatibility for CMake1.4 and 1.2
 204   SET (QT_MOC_EXE ${QT_MOC_EXECUTABLE} )
 205   SET (QT_UIC_EXE ${QT_UIC_EXECUTABLE} )
 206   # for unix add X11 stuff
 207   IF(UNIX)
 208     FIND_PACKAGE(X11)
 209     IF (X11_FOUND)
 210       SET (QT_LIBRARIES ${QT_LIBRARIES} ${X11_LIBRARIES})
 211     ENDIF (X11_FOUND)
 212     IF (CMAKE_DL_LIBS)
 213       SET (QT_LIBRARIES ${QT_LIBRARIES} ${CMAKE_DL_LIBS})
 214     ENDIF (CMAKE_DL_LIBS)
 215   ENDIF(UNIX)
 216   IF(QT_QT_LIBRARY MATCHES "qt-mt")
 217     FIND_PACKAGE(Threads)
 218     SET(QT_LIBRARIES ${QT_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
 219   ENDIF(QT_QT_LIBRARY MATCHES "qt-mt")
 220 ENDIF(QT_FOUND)
 221
 222
 223 IF (QT_MOC_EXECUTABLE)
 224   SET ( QT_WRAP_CPP "YES")
 225 ENDIF (QT_MOC_EXECUTABLE)
 226
 227 IF (QT_UIC_EXECUTABLE)
 228   SET ( QT_WRAP_UI "YES")
 229 ENDIF (QT_UIC_EXECUTABLE)
 230
 231
 232
 233 MARK_AS_ADVANCED(
 234   QT_INCLUDE_DIR
 235   QT_QT_LIBRARY
 236   QT_QTMAIN_LIBRARY
 237   QT_QASSISTANTCLIENT_LIBRARY
 238   QT_UIC_EXECUTABLE
 239   QT_MOC_EXECUTABLE
 240   QT_WRAP_CPP
 241   QT_WRAP_UI
 242   )