I need to add a 3rd party framework to my Qt project. Through Qt 5.4, I was able to use this method:
QMAKE_LFLAGS += -F/path/to/framework/directory/
Followed by...
LIBS += -framework TheFramework
Now, this fails. It produces this compile error:
error: framework not found -L/Users/xxxxxxx/Qt5.5/5.5/ios/plugins/platforms
The compile output also shows this, which I think is somehow the cause:
warning: skipping file '/Users/xxxxxx/QtProjects/xxxxx/build-xxxxx-iphoneos_clang_Qt_5_5_0_for_iOS-Release/MYFRAMEWORKNAME' (unexpected file type 'text' in Frameworks & Libraries build phase)
Anyone have a solution?
I found something of a "work around" for my particular situation. The framework I wanted to include was ZLib for iOS. Apparently, the Qt 5.5 for iOS framework must have the library included, because I no longer require the framework inclusion...
contains(DEFINES, INCLUDE_ZLIB) {
contains(DEFINES, QT_VER_5_5_OR_NEWER) {
# Already in Qt?
}
else {
QMAKE_LFLAGS += -F$${top_srcdir}/zlib/zlib/ios/framework/
LIBS += -framework zlib
}
}
Related
I have a Qt 5.12 Windows app. I'm using Qt Creator and Mingw 64 bit.
I've deployed the app by windeployqt.exe. When I start it, the app requires the libgcc_s_seh-1.dll file. After I paste it in the dir, I get the 0xc000007b error. I ran Dependency Walker and it gives me the following errors:
Error: At least one required implicit or forwarded dependency was not found.
Error: At least one module has an unresolved import due to a missing export function in an implicitly dependent module.
Error: Modules with different CPU types were found.
Error: A circular dependency was detected.
Warning: At least one delay-load dependency module was not found.
Warning: At least one module has an unresolved import due to a missing export function in a delay-load dependent module.
This is my .pro file
QT += core gui network
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = Control
TEMPLATE = app
# The following define makes your compiler emit warnings if you use
# any feature of Qt which has been marked as deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
QMAKE_LFLAGS += -static-libgcc
##CONFIG += c++11
##QMAKE_CXXFLAGS += -std=c++0x
SOURCES += \
main.cpp \
mainwindow.cpp
HEADERS += \
mainwindow.h
FORMS += \
mainwindow.ui
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
Can someone help me? Thank you very much.
I had a similar problem in the past, but I am not pretty sure if it's the same reason because I was compiling with MVSC.
In my case, the application internally links with x86 dependency files. I did download and install x64 dependency files and link with x64 files.
Anyway, the old version of Dependency Walker doesn't know to skip 32-bit DLLs in PATH when processing a 64-bit EXE or DLL the way Windows does, so some errors are not really relevant. You may find more information in this post.
If the problem remains, try to avoid the usage of a static version of libgcc, acording to this post. It is not designed to be statically linked.
...
#QMAKE_LFLAGS += -static-libgcc
...
I got that error when the compiled app could not see the Qt dlls, so check your path. It could also be that it cannot find other gcc dll, like libwinpthread-1.dll.
I am in the exact situation described in this question (Qt Creator on Mac and boost libraries) but the accepted answer is not working for me. I've searched around and tried all the suggestions I've found but I still end up with errors
Environment:
OSX 10.9.5
Qt 5.5.1 - Qt Creator 3.5.1 - installed using the Qt
installer
Boost 1.59.0 – installed through Homebrew
Am able to compile and run Qt apps
After creating a new Qt test application, when I add the Boost information to the .pro file (shown below) as described in the question linked above, I end up with very confusing compile errors within the Qt classes. I don't get it. Does anyone understand the conflict and know how to resolve this – I've been at it for hours now.
QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = audiowaveform_test
TEMPLATE = app
SOURCES += main.cpp\
mainwindow.cpp
HEADERS += mainwindow.h
FORMS += mainwindow.ui
macx {
QMAKE_CXXFLAGS += -std=c++11
_BOOST_PATH = /usr/local/Cellar/boost/1.59.0
INCLUDEPATH += "$${_BOOST_PATH}/include/"
LIBS += -L$${_BOOST_PATH}/lib
## Use only one of these:
LIBS += -lboost_chrono-mt -lboost_system # using dynamic lib (not sure if you need that "-mt" at the end or not)
#LIBS += $${_BOOST_PATH}/lib/libboost_chrono-mt.a # using static lib
}
I finally got it working by changing this line in the .pro file:
QMAKE_CXXFLAGS += -std=c++11
to this:
CONFIG += c++11
If someone can explain what -std means in compiler speak, I would appreciate it. Does it mean that everything should be compiled as c++11?
I work on Mac OS 10.8.5 and Qt 5.1.1 with among other things, qdebug class which work well with some projects and doesn't compile with some others. I've already tried to re-install Qt which didn't change a thing.
It is certainly due to the use of SDL library (?!) but it used to work fine. Here's a part of the compilation output :
In file included from ../../Stage/Joker/tests/SDLTest/main.cpp:7:
In file included from /Applications/QT/5.1.1/clang_64/include/QtCore/QDebug:1:
In file included from /Applications/QT/5.1.1/clang_64/include/QtCore/qdebug.h:46:
In file included from /Library/Frameworks/QtCore.framework/Headers/qhash.h:46:
/Library/Frameworks/QtCore.framework/Headers/qchar.h:76:5: error: unknown type name 'QT_ASCII_CAST_WARN_CONSTRUCTOR'
QT_ASCII_CAST_WARN_CONSTRUCTOR QChar(char c);
^
If needed, I can provide more output or unworking Qt classes.
I build my code with Qt => Build => Run
Unfortunatly, I'm unable to reproduce the code on an other computer.
Here's the pro file (which work well with all my co-workers, except me) :
TEMPLATE = app
SOURCES += main.cpp
OBJECTIVE_HEADERS += ../../libs/PhGraphic/SDLMain.h
OBJECTIVE_SOURCES += ../../libs/PhGraphic/SDLMain.m
LIBS += -framework Cocoa
QMAKE_CXXFLAGS += -F/Library/Frameworks
QMAKE_OBJECTIVE_CFLAGS += -F/Library/Frameworks
LIBS += -F/Library/Frameworks
LIBS += -framework SDL -framework SDL_image -framework SDL_ttf
I'd once had this problem after installing a software: it created a QtCore.framework in the /Library/Framework folder that overrided the QtCore of your current Qt kit (due to QMAKE_CXXFLAGS += -F/Library/Frameworks).
It's qDebug, and there are two overloads:
a stream-returning function
qDebug() << "foo";
a printf-style function
qDebug("foo");
You need to provide a minimum reproducible test case for us to help you.
How are you building your code? Are you using qmake to produce the Makefile? We'd need to see the .pro file at the minimum, and please minimize it by removing useless boilerplate comments etc.
A problem with a Qt *.pro file:
TARGET = ProgName
TEMPLATE = app
CONFIG += console
QT += core
QT += gui
LIBS += -LC:\\Qt\\4.8.5\\bin
LIBS += -LC:\\Qt\\4.8.5\\lib
LIBS += -LS:\\lib
# LIBS += -lQtCored4 # not necessary
# LIBS += -lQtCore4
# LIBS += -lQtGuid4
# LIBS += -lQtGui4
SOURCES += ...
HEADERS += ...
I get these linker errors:
:-1: error: cannot find -lQtGuid
:-1: error: cannot find -lQtCored
collect2.exe:-1: error: error: ld returned 1 exit status
All the DLLs exist in the specified directories.
The documentation did not help much.
This pro file worked a few days ago, and it seems to have issues since I installed Qt 5.1 (this is not used, yet; I am still working with Qt4).
Platform: Windows 7, MinGW, Qt 4.8.4
You only need the following content:
TARGET = ProgName
TEMPLATE = app
CONFIG += console
QT -= gui
SOURCES += ...
HEADERS += ...
That is because core and gui are added to the QT variable automatically. In this particular case however, you can remove the gui default if you wish to build a console application as you seem. Although "CONFIG += console" could eventually do that for you. Besides this, everything will work automatically for you, so you do not need to pass the library path to the qt libraries and so forth. You would only need to use QT += widgets and similar lines if you used further Qt modules there are not there by default. Even then, you would not need to set the Qt library path as you did in your question.
Besides, if you wanna target cross-platform later, you may wish to add this:
CONFIG -= app_bundle
to avoid creating Mac bundle for console based applications.
If you have multiple versions of Qt installed as it seems, you need to use the qmake from the required version, and it will be fine. Just to give an example: I use qmake for Qt 5 on my Archlinux system, and qmake-qt4 for Qt4.
On windows, you should either have the desired qt installation bin in the path before the undesired, or you need to call desired qmake explicitly, something like C:\path\to\my\desired\qmake.
There's no need to link to any Qt libraries afaik.
If you're using Qt Creator you need to make sure Qt 4.8.4 is properly recognized in Tools - Options - Build & Run - Kits. Since you installed 5.1 this may no longer be true. Then set the 4.8.4 kit for your project and compile it (cleaning the build directory also helps sometimes).
While building a game code in Qt simulator I'm getting the following error:
-1: error: LNK1104: cannot open file 'libEGL.lib'
I have added following code to add library files:
INCLUDEPATH +=
C:\Imagination_Technologies\POWERVR_SDK\OGLES2_WINDOWS_X86EMULATION_2.08.28.0634\Builds\OGLES2\Include\
LIBS +=
-LC:\Imagination_Technologies\POWERVR_SDK\OGLES2_WINDOWS_X86EMULATION_2.08.28.0634\Builds\OGLES2\WindowsX86\Lib\
-llibEGL -llibGLESv2
LIBS += -llibEGL -llibGLESv2
It's been some time since I stopped programming under Windows, but as far as I can remember qmake uses the same mechanism used in Linux on all the supported OS (http://doc.qt.io/qt-5/qmake-project-files.html). Which means you should write:
LIBS += -LC:\Imagination_Technologies\POWERVR_SDK\OGLES2_WINDOWS_X86EMULATION_2.08.28.0634\Builds\OGLES2\WindowsX86\Lib\ -lEGL -lGLESv2
provided the path is correct of course (note that I removed the 'lib').