FindQt: improve version selection

-make "find_package(Qt 3)" work
-if DESIRED_QT_VERSION was set, but only the other Qt major version was found
 don't override the DESIRED_QT_VERSION set by the user
This commit is contained in:
Rolf Eike Beer 2012-10-24 19:50:47 +02:00
parent f551fa6245
commit 7bb9395974
1 changed files with 7 additions and 3 deletions

View File

@ -56,6 +56,10 @@ if(GLOB_TEMP_VAR)
endif()
set(GLOB_TEMP_VAR)
if (Qt_FIND_VERSION)
set(DESIRED_QT_VERSION "${Qt_FIND_VERSION}")
endif ()
# now find qmake
find_program(QT_QMAKE_EXECUTABLE_FINDQT NAMES qmake PATHS "${QT_SEARCH_PATH}/bin" "$ENV{QTDIR}/bin")
if(QT_QMAKE_EXECUTABLE_FINDQT)
@ -113,15 +117,15 @@ if(QT3_QGLOBAL_H_FILE)
set(QT3_INSTALLED TRUE)
endif()
if(QT3_INSTALLED AND QT4_INSTALLED )
if(QT3_INSTALLED AND QT4_INSTALLED AND NOT DESIRED_QT_VERSION)
# force user to pick if we have both
set(DESIRED_QT_VERSION 0 CACHE STRING "Pick a version of Qt to use: 3 or 4")
else()
# if only one found then pick that one
if(QT3_INSTALLED)
if(QT3_INSTALLED AND NOT DESIRED_QT_VERSION EQUAL 4)
set(DESIRED_QT_VERSION 3 CACHE STRING "Pick a version of Qt to use: 3 or 4")
endif()
if(QT4_INSTALLED)
if(QT4_INSTALLED AND NOT DESIRED_QT_VERSION EQUAL 3)
set(DESIRED_QT_VERSION 4 CACHE STRING "Pick a version of Qt to use: 3 or 4")
endif()
endif()