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FindQt3: let FPHSA handle the version selection

This commit is contained in:
Rolf Eike Beer 2012-03-02 16:56:41 +01:00
parent 9dae4d65d7
commit 91a1670f47
1 changed files with 14 additions and 54 deletions
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58
Modules/FindQt3.cmake
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@ -5,6 +5,7 @@
# QT_DEFINITIONS - definitions to use when
# compiling code that uses Qt.
# QT_FOUND - If false, don't try to use Qt.
# QT_VERSION_STRING - the version of Qt found
#
# If you need the multithreaded version of Qt, set QT_MT_REQUIRED to TRUE
#
@ -77,6 +78,7 @@ IF(QT_INCLUDE_DIR)
# Under windows the qt library (MSVC) has the format qt-mtXYZ where XYZ is the
# version X.Y.Z, so we need to remove the dots from version
STRING(REGEX REPLACE "\\." "" qt_version_str_lib "${qt_version_str}")
SET(QT_VERSION_STRING "${qt_version_str}")
ENDIF(QT_INCLUDE_DIR)
FILE(GLOB GLOB_PATHS_LIB /usr/lib/qt-3*/lib/)
@ -195,58 +197,16 @@ IF (WIN32)
)
ENDIF (WIN32)
IF (QT_MIN_VERSION)
STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" qt_major_vers "${qt_version_str}")
STRING(REGEX REPLACE "[0-9]+\\.([0-9]+)\\.[0-9]+" "\\1" qt_minor_vers "${qt_version_str}")
STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" qt_patch_vers "${qt_version_str}")
#now parse the parts of the user given version string into variables
STRING(REGEX MATCH "^[0-9]+\\.[0-9]+\\.[0-9]+$" req_qt_major_vers "${QT_MIN_VERSION}")
IF (NOT req_qt_major_vers)
error_message( "Invalid Qt version string given: \"${QT_MIN_VERSION}\", expected e.g. \"3.1.5\"")
ENDIF (NOT req_qt_major_vers)
STRING(REGEX REPLACE "([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" req_qt_major_vers "${QT_MIN_VERSION}")
STRING(REGEX REPLACE "[0-9]+\\.([0-9])+\\.[0-9]+" "\\1" req_qt_minor_vers "${QT_MIN_VERSION}")
STRING(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" req_qt_patch_vers "${QT_MIN_VERSION}")
# req = "6.5.4", qt = "3.2.1"
MACRO(error_message msg)
IF(QT3_REQUIRED)
MESSAGE( FATAL_ERROR ${msg})
ELSE(QT3_REQUIRED)
MESSAGE( STATUS ${msg})
ENDIF(QT3_REQUIRED)
ENDMACRO(error_message)
IF (req_qt_major_vers GREATER qt_major_vers) # (6 > 3) ?
ERROR_MESSAGE( "Qt major version not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})") # yes
ELSE (req_qt_major_vers GREATER qt_major_vers) # no
IF (req_qt_major_vers LESS qt_major_vers) # (6 < 3) ?
SET( QT_VERSION_BIG_ENOUGH "YES" ) # yes
ELSE (req_qt_major_vers LESS qt_major_vers) # ( 6==3) ?
IF (req_qt_minor_vers GREATER qt_minor_vers) # (5>2) ?
ERROR_MESSAGE( "Qt minor version not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})") # yes
ELSE (req_qt_minor_vers GREATER qt_minor_vers) # no
IF (req_qt_minor_vers LESS qt_minor_vers) # (5<2) ?
SET( QT_VERSION_BIG_ENOUGH "YES" ) # yes
ELSE (req_qt_minor_vers LESS qt_minor_vers) # (5==2)
IF (req_qt_patch_vers GREATER qt_patch_vers) # (4>1) ?
ERROR_MESSAGE( "Qt patch level not matched (required: ${QT_MIN_VERSION}, found: ${qt_version_str})") # yes
ELSE (req_qt_patch_vers GREATER qt_patch_vers) # (4>1) ?
SET( QT_VERSION_BIG_ENOUGH "YES" ) # yes
ENDIF (req_qt_patch_vers GREATER qt_patch_vers) # (4>1) ?
ENDIF (req_qt_minor_vers LESS qt_minor_vers)
ENDIF (req_qt_minor_vers GREATER qt_minor_vers)
ENDIF (req_qt_major_vers LESS qt_major_vers)
ENDIF (req_qt_major_vers GREATER qt_major_vers)
ENDIF (QT_MIN_VERSION)
#support old QT_MIN_VERSION if set, but not if version is supplied by find_package()
IF(NOT Qt3_FIND_VERSION AND QT_MIN_VERSION)
SET(Qt3_FIND_VERSION ${QT_MIN_VERSION})
ENDIF(NOT Qt3_FIND_VERSION AND QT_MIN_VERSION)
# if the include a library are found then we have it
INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Qt3 DEFAULT_MSG QT_QT_LIBRARY QT_INCLUDE_DIR QT_MOC_EXECUTABLE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Qt3
REQUIRED_VARS QT_QT_LIBRARY QT_INCLUDE_DIR QT_MOC_EXECUTABLE
VERSION_VAR QT_VERSION_STRING)
SET(QT_FOUND ${QT3_FOUND} )
IF(QT_FOUND)