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  4. iOS compiling error: qchar.h:45:1: error: unknown type name 'QT_BEGIN_NAMESPACE'
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iOS compiling error: qchar.h:45:1: error: unknown type name 'QT_BEGIN_NAMESPACE'

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  • L Offline
    L Offline
    lqsa
    wrote on last edited by
    #1

    When compile with iOS appears these errors:

    In file included from ../../Qt/5.7/ios/include/QtCore/qstring.h:48:
../../Qt/5.7/ios/include/QtCore/qchar.h:45:1: error: unknown type name 'QT_BEGIN_NAMESPACE'
QT_BEGIN_NAMESPACE
^
../../Qt/5.7/ios/include/QtCore/qchar.h:48:1: error: expected unqualified-id
class QString;
^
../../Qt/5.7/ios/include/QtCore/qchar.h:55:29: error: unknown type name 'ushort'; did you mean 'short'?
    Q_DECL_CONSTEXPR inline ushort unicode() const Q_DECL_NOTHROW { return ushort(uchar(ch)); }
                            ^
../../Qt/5.7/ios/include/QtCore/qchar.h:55:83: error: use of undeclared identifier 'uchar'; did you mean 'char'?
    Q_DECL_CONSTEXPR inline ushort unicode() const Q_DECL_NOTHROW { return ushort(uchar(ch)); }
                                                                                  ^
../../Qt/5.7/ios/include/QtCore/qchar.h:55:36: error: no return statement in constexpr function
    Q_DECL_CONSTEXPR inline ushort unicode() const Q_DECL_NOTHROW { return ushort(uchar(ch)); }
                                   ^
../../Qt/5.7/ios/include/QtCore/qchar.h:63:1: error: expected expression
public:
^
../../Qt/5.7/ios/include/QtCore/qchar.h:333:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 3)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:390:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 3)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:422:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 0)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:429:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 0)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:500:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 3)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:62:21: error: variable has incomplete type 'class Q_CORE_EXPORT'
class Q_CORE_EXPORT QChar {
                    ^
../../Qt/5.7/ios/include/QtCore/qchar.h:62:7: note: forward declaration of 'Q_CORE_EXPORT'
class Q_CORE_EXPORT QChar {
      ^
../../Qt/5.7/ios/include/QtCore/qchar.h:571:1: error: C++ requires a type specifier for all declarations
Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
^
../../Qt/5.7/ios/include/QtCore/qchar.h:571:27: error: use of undeclared identifier 'Q_MOVABLE_TYPE'
Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
                          ^
../../Qt/5.7/ios/include/QtCore/qchar.h:573:41: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator==(QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs == c2.ucs; }
                                        ^
../../Qt/5.7/ios/include/QtCore/qchar.h:573:51: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator==(QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs == c2.ucs; }
                                                  ^
../../Qt/5.7/ios/include/QtCore/qchar.h:574:41: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator< (QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs <  c2.ucs; }
                                        ^
../../Qt/5.7/ios/include/QtCore/qchar.h:574:51: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator< (QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs <  c2.ucs; }
                                                  ^
../../Qt/5.7/ios/include/QtCore/qchar.h:576:41: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator!=(QChar c1, QChar c2) Q_DECL_NOTHROW { return !operator==(c1, c2); }
                                        ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]


** BUILD FAILED **
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  • SGaistS Offline
    SGaistS Offline
    SGaist Lifetime Qt Champion
    wrote on last edited by
    #2

    Hi,

    Which version of Xcode are you using ? What parameter did you pass to configure ?

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

    1 Reply Last reply
    0
  • L Offline
    L Offline
    lqsa
    wrote on last edited by lqsa
    #3

    With XCode 7.0.1 gives this error. After update to XCode 7.3.1, continues with the same. The Mac is OSX El Capitan 10.11.6.

    The same project is compiled (on windows environment) for Windows and Android, and compiles and runs without errors.

    I don't pass any parameter to XCode, is necessary any parameter? When the project is compiled, QT generates the XCode project on the build directory. If opens and compiles on XCode with the XCode project generated, the same error appears .

    1 Reply Last reply
    0
  • SGaistS Offline
    SGaistS Offline
    SGaist Lifetime Qt Champion
    wrote on last edited by
    #4

    Did you build Qt yourself or are you using the official package ?

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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  • L Offline
    L Offline
    lqsa
    wrote on last edited by
    #5

    The official package.

    The installation is on the default directory (Qt on user directory) and I've selected only these options:

    • Qt \ Qt 5.7 \ iOS
    • Qt \ Tools

    After, I've updated the installation and included Qt \ Qt 5.7 \ Sources, but continues with the same error.

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  • SGaistS Offline
    SGaistS Offline
    SGaist Lifetime Qt Champion
    wrote on last edited by
    #6

    Can you share your .pro file ?

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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  • L Offline
    L Offline
    lqsa
    wrote on last edited by lqsa
    #7

    .pro:

    TEMPLATE = app

VERSION = 0.9  #main.cpp

QT += qml quick positioning network multimedia location

DEFINES += _7ZIP_ST SSL_ENABLED
DEFINES += APP_VERSION=\\\"$$VERSION\\\"  # main.cpp
#DEFINES += SSL_LOCAL    # networkManager.cpp settings.cpp
#DEFINES += SIMULATE_GPS  # positionManager.cpp

TRANSLATIONS = es.ts \
               pt_br.ts

android {
    include(android.pri)
}

windows {
    include(windows.pri)
}

ios {
    include(ios.pri)
}

SOURCES += main.cpp \
    ... CPP files

RESOURCES += \
    resources.qrc

# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =

# Default rules for deployment.
include(deployment.pri)

HEADERS += \
    ... H files

lupdate_only {
SOURCES += \
    ... QML files
}

CONFIG += c++14
#CONFIG+=qml_debug

INCLUDEPATH += util/lzma

    ios.pri:

    SOURCES += \
    util/image/imagePickerIos.cpp

HEADERS += \
    util/image/imagePickerIos.h

    deployment.pri (never edited by me):

    android-no-sdk {
    target.path = /data/user/qt
    export(target.path)
    INSTALLS += target
} else:android {
    x86 {
        target.path = /libs/x86
    } else: armeabi-v7a {
        target.path = /libs/armeabi-v7a
    } else {
        target.path = /libs/armeabi
    }
    export(target.path)
    INSTALLS += target
} else:unix {
    isEmpty(target.path) {
        qnx {
            target.path = /tmp/$${TARGET}/bin
        } else {
            target.path = /opt/$${TARGET}/bin
        }
        export(target.path)
    }
    INSTALLS += target
}

export(INSTALLS)
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  • L Offline
    L Offline
    lqsa
    wrote on last edited by
    #8

    This is the complete output:

    06:13:48: Running steps for project MyApp...
06:13:48: Starting: "/Users/test/Qt/5.7/ios/bin/qmake" /Users/test/Documents/src/MyApp.pro -r -spec macx-ios-clang CONFIG+=iphoneos CONFIG+=device CONFIG+=qml_debug
06:13:51: The process "/Users/test/Qt/5.7/ios/bin/qmake" exited normally.
06:13:51: Starting: "/usr/bin/make" 
xcodebuild build -scheme MyApp  -sdk iphoneos  -configuration Debug  -destination "generic/platform=iOS" -destination-timeout 1
Build settings from command line:
    SDKROOT = iphoneos9.3


2016-08-23 06:13:53.834 xcodebuild[432:6704] warning:  The file reference for "/Users/test/Documents/src/resources.qrc" is a member of multiple groups ("Supporting Files" and "Resources"); this indicates a malformed project.  Only the membership in one of the groups will be preserved (but membership in targets will be unaffected).  If you want a reference to the same file in more than one group, please add another reference to the same path.
=== BUILD AGGREGATE TARGET Qt Preprocess OF PROJECT MyApp WITH CONFIGURATION Debug ===


Check dependencies


PhaseScriptExecution Qt\ Qmake MyApp.build/Debug-iphoneos/Qt\ Preprocess.build/Script-5E618435888B9D49F8540165.sh
    cd /Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug
    /bin/sh -c \"/Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/Qt\ Preprocess.build/Script-5E618435888B9D49F8540165.sh\"
make[1]: `MyApp.xcodeproj/project.pbxproj' is up to date.


PhaseScriptExecution Qt\ Preprocessors MyApp.build/Debug-iphoneos/Qt\ Preprocess.build/Script-7EF0942E79C014DCEC8976BC.sh
    cd /Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug
    /bin/sh -c \"/Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/Qt\ Preprocess.build/Script-7EF0942E79C014DCEC8976BC.sh\"
make[1]: Nothing to be done for `preprocess'.


=== BUILD TARGET MyApp OF PROJECT MyApp WITH CONFIGURATION Debug ===


Check dependencies
The provisioning profile "iOS Team Provisioning Profile: com.shaphymo.MyApp" is expiring soon


CompileC MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/armv7/main.o /Users/test/Documents/src/main.cpp normal armv7 c++ com.apple.compilers.llvm.clang.1_0.compiler
    cd /Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug
    export LANG=en_US.US-ASCII
    export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c++ -arch armv7 -fmessage-length=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit=0 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-shorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.3.sdk -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -miphoneos-version-min=6.0 -g -fvisibility=hidden -fvisibility-inlines-hidden -Wno-sign-conversion -I/Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/MyApp.build/MyApp.hmap -I/Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/Debug-iphoneos/include -I../src -I. -I/Users/test/Qt/5.7/ios/mkspecs/macx-ios-clang/ios -I../src/util/lzma -I../../Qt/5.7/ios/include -I../../Qt/5.7/ios/include/QtLocation -I../../Qt/5.7/ios/include/QtQuick -I../../Qt/5.7/ios/include/QtMultimedia -I../../Qt/5.7/ios/include/QtGui -I../../Qt/5.7/ios/include/QtQml -I../../Qt/5.7/ios/include/QtNetwork -I../../Qt/5.7/ios/include/QtPositioning -I../../Qt/5.7/ios/include/QtCore -I../../Qt/5.7/ios/mkspecs/macx-ios-clang -I/Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/MyApp.build/DerivedSources/armv7 -I/Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/MyApp.build/DerivedSources -F/Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/Debug-iphoneos -pipe -stdlib=libc++ -fvisibility=hidden -fpascal-strings -fmessage-length=0 -Wno-trigraphs -Wreturn-type -Wparentheses -Wswitch -Wno-unused-parameter -Wunused-variable -Wunused-value -Wno-shorten-64-to-32 -Wno-sign-conversion -fexceptions -fasm-blocks -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-implicit-atomic-properties -Wformat -Wno-missing-braces -Wno-unused-function -Wno-unused-label -Wuninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-sign-compare -Wpointer-sign -Wno-newline-eof -Wdeprecated-declarations -Winvalid-offsetof -Wno-conversion -fvisibility-inlines-hidden -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -g -std=gnu++1y -fobjc-nonfragile-abi -fobjc-legacy-dispatch -Wno-deprecated-implementations -Wprotocol -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wall -W -fPIC -DDARWIN_NO_CARBON -DQT_NO_PRINTER -DQT_NO_PRINTDIALOG -D_7ZIP_ST -DSSL_ENABLED -DAPP_VERSION=\"0.8.6\" -DQT_QML_DEBUG -DQT_LOCATION_LIB -DQT_QUICK_LIB -DQT_MULTIMEDIA_LIB -DQT_GUI_LIB -DQT_QML_LIB -DQT_NETWORK_LIB -DQT_POSITIONING_LIB -DQT_CORE_LIB -MMD -MT dependencies -MF /Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/armv7/main.d --serialize-diagnostics /Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/armv7/main.dia -c /Users/test/Documents/src/main.cpp -o /Users/test/Documents/build-MyApp-iphoneos_clang_Qt_5_7_0_for_iOS-Debug/MyApp.build/Debug-iphoneos/MyApp.build/Objects-normal/armv7/main.o
In file included from /Users/test/Documents/src/main.cpp:1:
In file included from ../src/MyAppApplication.h:3:
In file included from ../../Qt/5.7/ios/include/QtCore/QSettings:1:
In file included from ../../Qt/5.7/ios/include/QtCore/qsettings.h:43:
In file included from ../../Qt/5.7/ios/include/QtCore/qobject.h:46:
In file included from ../../Qt/5.7/ios/include/QtCore/qobjectdefs.h:48:
In file included from ../../Qt/5.7/ios/include/QtCore/qnamespace.h:43:
In file included from ../../Qt/5.7/ios/include/QtCore/qglobal.h:94:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/algorithm:628:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/memory:606:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iterator:346:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:90:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.3.sdk/usr/include/wchar.h:91:
In file included from /Users/test/Documents/src/types/time.h:5:
In file included from ../../Qt/5.7/ios/include/QtCore/QDateTime:1:
In file included from ../../Qt/5.7/ios/include/QtCore/qdatetime.h:43:
In file included from ../../Qt/5.7/ios/include/QtCore/qstring.h:48:
../../Qt/5.7/ios/include/QtCore/qchar.h:45:1: error: unknown type name 'QT_BEGIN_NAMESPACE'
QT_BEGIN_NAMESPACE
^
../../Qt/5.7/ios/include/QtCore/qchar.h:48:1: error: expected unqualified-id
class QString;
^
../../Qt/5.7/ios/include/QtCore/qchar.h:55:29: error: unknown type name 'ushort'; did you mean 'short'?
    Q_DECL_CONSTEXPR inline ushort unicode() const Q_DECL_NOTHROW { return ushort(uchar(ch)); }
                            ^
../../Qt/5.7/ios/include/QtCore/qchar.h:55:83: error: use of undeclared identifier 'uchar'; did you mean 'char'?
    Q_DECL_CONSTEXPR inline ushort unicode() const Q_DECL_NOTHROW { return ushort(uchar(ch)); }
                                                                                  ^
../../Qt/5.7/ios/include/QtCore/qchar.h:55:36: error: no return statement in constexpr function
    Q_DECL_CONSTEXPR inline ushort unicode() const Q_DECL_NOTHROW { return ushort(uchar(ch)); }
                                   ^
../../Qt/5.7/ios/include/QtCore/qchar.h:63:1: error: expected expression
public:
^
../../Qt/5.7/ios/include/QtCore/qchar.h:333:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 3)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:390:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 3)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:422:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 0)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:429:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 0)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:500:24: error: token is not a valid binary operator in a preprocessor subexpression
#if QT_DEPRECATED_SINCE(5, 3)
    ~~~~~~~~~~~~~~~~~~~^
../../Qt/5.7/ios/include/QtCore/qchar.h:62:21: error: variable has incomplete type 'class Q_CORE_EXPORT'
class Q_CORE_EXPORT QChar {
                    ^
../../Qt/5.7/ios/include/QtCore/qchar.h:62:7: note: forward declaration of 'Q_CORE_EXPORT'
class Q_CORE_EXPORT QChar {
      ^
../../Qt/5.7/ios/include/QtCore/qchar.h:571:1: error: C++ requires a type specifier for all declarations
Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
^
../../Qt/5.7/ios/include/QtCore/qchar.h:571:27: error: use of undeclared identifier 'Q_MOVABLE_TYPE'
Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
                          ^
../../Qt/5.7/ios/include/QtCore/qchar.h:573:41: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator==(QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs == c2.ucs; }
                                        ^
../../Qt/5.7/ios/include/QtCore/qchar.h:573:51: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator==(QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs == c2.ucs; }
                                                  ^
../../Qt/5.7/ios/include/QtCore/qchar.h:574:41: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator< (QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs <  c2.ucs; }
                                        ^
../../Qt/5.7/ios/include/QtCore/qchar.h:574:51: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator< (QChar c1, QChar c2) Q_DECL_NOTHROW { return c1.ucs <  c2.ucs; }
                                                  ^
../../Qt/5.7/ios/include/QtCore/qchar.h:576:41: error: unknown type name 'QChar'
Q_DECL_CONSTEXPR inline bool operator!=(QChar c1, QChar c2) Q_DECL_NOTHROW { return !operator==(c1, c2); }
                                        ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
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  • L Offline
    L Offline
    lqsa
    wrote on last edited by
    #9

    I've found it!!!

    In my project exist a file with the name time.h. The iPhone SDK has another file with the same name that is included on wchar.h (SDKs/iPhoneOS9.3.sdk/usr/include/wchar.h:91) and the compiler tries to compile my file first.

    After change the file's name, all compile without problems.

    Thank you very much!

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    0
  • SGaistS Offline
    SGaistS Offline
    SGaist Lifetime Qt Champion
    wrote on last edited by
    #10

    Dangerous file name indeed !

    Glad you found out and thanks for sharing :)

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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