[CMake] Problem with QT3 not generating .cpp files using Cmake

[Darrell Langford]

Thanks, that was it.. doh!!!


________________________________
From: Clinton Stimpson <clinton at elemtech.com>
To: cmake at cmake.org
Sent: Tuesday, October 11, 2011 10:50 AM
Subject: Re: [CMake] Problem with QT3 not generating .cpp files using Cmake


Not sure if this is the whole reason, but it looks like you are missing the
${SAMPLE_FORMS_CPP} in add_executable().

Clint

On Tuesday, October 11, 2011 09:46:40 am Darrell Langford wrote:
> Okay, the problem I am having is as follows.  I am converting a C++ QT3
> program over from using qmake to cmake and have hit a snag.
> 
> The following is my basic layout for the cmakelists.txt file, what happens
> is, when the UIC command gets called from the QT_WRAP_UI it doesn't
> generate out .cpp files, just the .h files.
> 
> In qmake for qt3, every .ui file when it goes through UIC gets it's own .h
> and .cpp file, and the .ui.h is your own implementation of some of the
> functions.  So Although everything builds, when it hits time to link, it
> has tons of undefined references to itself, because the actual
> implementations never got generated.
> 
> Any help or suggestions would be greatly appreciated.
> 
> CMakeLists.txt
> #**************************************************
> # Find QT
> 
> FIND_PACKAGE(Qt3 REQUIRED)
> 
> ADD_DEFINITIONS(${QT_DEFINITIONS})
> INCLUDE_DIRECTORIES(${QT_INCLUDE_DIR}
> ${CMAKE_CURRENT_BINARY_DIR}
> 
>         ${CMAKE_CURRENT_SRC_DIR})
> 
> SET(SAMPLE_SOURCES main.cpp 
> Sample.cpp
> UIImpl.cpp )
> 
> SET(SAMPLE_HEADERS UIImpl.h 
>            Sample.h )
> 
> SET(SAMPLE_HEADERS_UI_H SampleControl.ui.h 
>            SampleControl2.ui.h)
> 
> 
> SET(SAMPLE_FORMS SampleControl.ui 
>               SampleControl2.ui )
> 
> QT_WRAP_UI(SAMPLEAPP SAMPLE_FORMS_H SAMPLE_FORMS_CPP ${SAMPLE_FORMS})
> QT_WRAP_CPP(SAMPLEAPP SAMPLE_HEADERS_MOC ${SAMPLE_HEADERS}
> ${SAMPLE_FORMS_H})
> 
> 
> 
> 
> link_directories(${PROJECT_BINARY_DIR}/src
> ${PROJECT_SOURCE_DIR}/../lib
> ${CMAKE_CURRENT_BINARY_DIR})
> 
> 
> add_executable(SAMPLEAPP ${SAMPLE_SOURCES} 
>     ${SAMPLE_HEADERS_MOC} 
>     ${SAMPLE_FORMS_HEADERS} 
>     ${SAMPLE_HEADERS_UI_H}
> )
> target_link_libraries(SAMPLEAPP ${QT_LIBRARIES})
> #******************************************************************
> 
> 
> Snippet out of my actual build.make file that is generated from cmake
> 
> src/SampleControl.h: ../src/SAMPLEAPP/ui/SampleControl.ui
> $(CMAKE_COMMAND) -E cmake_progress_report SAMPLEAPP/build/CMakeFiles
> $(CMAKE_PROGRESS_22) @$(CMAKE_COMMAND) -E cmake_echo_color
> --switch=$(COLOR) --blue --bold "Generating SampleControl.h"
> SAMPLEAPP/build/src && /usr/bin/uic-qt3 -o
> SAMPLEAPP/build/src/SampleControl.h
> SAMPLEAPP/src/SAMPLEAPP/ui/SampleControl.ui

-- 
Clinton Stimpson
Elemental Technologies, Inc
Computational Simulation Software, LLC
www.csimsoft.com
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