[Mingw-cross-env-list] Linker error when compiling a Qt application

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[Mingw-cross-env-list] Linker error when compiling a Qt application

From:	Saikrishna Arcot
Subject:	[Mingw-cross-env-list] Linker error when compiling a Qt application
Date:	Wed, 08 May 2013 22:10:52 -0500
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130404 Thunderbird/17.0.5

Hi,

I'm getting a linker error when linking a Qt application. Here is the command output:

<MXE_dir>/usr/i686-pc-mingw32/qt/bin/uic mainForm.ui -o
      ui_mainForm.h

i686-pc-mingw32-g++ -c -pipe -fno-keep-inline-dllexport
      -std=c++11 -O2 -frtti -fexceptions -mthreads -Wall -Wextra
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -o <DEST_dir>/HierarchicalHeaderView.o
      HierarchicalHeaderView.cpp

i686-pc-mingw32-g++ -c -pipe -fno-keep-inline-dllexport
      -std=c++11 -O2 -frtti -fexceptions -mthreads -Wall -Wextra
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -o <DEST_dir>/ProxyModelWithHeaderModels.o
      ProxyModelWithHeaderModels.cpp

i686-pc-mingw32-g++ -c -pipe -fno-keep-inline-dllexport
      -std=c++11 -O2 -frtti -fexceptions -mthreads -Wall -Wextra
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -o <DEST_dir>/main.o main.cpp

i686-pc-mingw32-g++ -c -pipe -fno-keep-inline-dllexport
      -std=c++11 -O2 -frtti -fexceptions -mthreads -Wall -Wextra
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -o <DEST_dir>/mainForm.o mainForm.cpp

In file included from
      <MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore/QtCore:11:0,

                 from
      <MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui/QtGui:3,

from mainForm.cpp:14:

<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore/qtconcurrentfilter.h:
      In function 'QtConcurrent::ThreadEngineStarter<void>
      QtConcurrent::filterInternal(Sequence&, KeepFunctor,
      ReduceFunctor)':

<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore/qtconcurrentfilter.h:108:47:
      warning: typedef 'Iterator' locally defined but not used
      [-Wunused-local-typedefs]

     typedef typename Sequence::const_iterator
      Iterator;

^

<MXE_dir>/usr/i686-pc-mingw32/qt/bin/moc
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -D__GNUC__ -DWIN32 HierarchicalHeaderView.h -o
      moc_HierarchicalHeaderView.cpp

i686-pc-mingw32-g++ -c -pipe -fno-keep-inline-dllexport
      -std=c++11 -O2 -frtti -fexceptions -mthreads -Wall -Wextra
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -o <DEST_dir>/moc_HierarchicalHeaderView.o
      moc_HierarchicalHeaderView.cpp

<MXE_dir>/usr/i686-pc-mingw32/qt/bin/moc
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -D__GNUC__ -DWIN32 ProxyModelWithHeaderModels.h -o
      moc_ProxyModelWithHeaderModels.cpp

i686-pc-mingw32-g++ -c -pipe -fno-keep-inline-dllexport
      -std=c++11 -O2 -frtti -fexceptions -mthreads -Wall -Wextra
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -o <DEST_dir>/moc_ProxyModelWithHeaderModels.o
      moc_ProxyModelWithHeaderModels.cpp

<MXE_dir>/usr/i686-pc-mingw32/qt/bin/moc
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -D__GNUC__ -DWIN32 mainForm.h -o moc_mainForm.cpp

i686-pc-mingw32-g++ -c -pipe -fno-keep-inline-dllexport
      -std=c++11 -O2 -frtti -fexceptions -mthreads -Wall -Wextra
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtCore'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtGui'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/QtSql'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/include/ActiveQt' -I'.'
      -I'.' -I'nbproject' -I'.'
      -I'<MXE_dir>/usr/i686-pc-mingw32/qt/mkspecs/win32-g++-4.6'
      -o <DEST_dir>/moc_mainForm.o moc_mainForm.cpp

i686-pc-mingw32-windres -i Kumon_Inventory_resource.rc
      -o <DEST_dir>/Kumon_Inventory_resource_res.o --include-dir=.
      -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_NO_DEBUG -DQT_SQL_LIB
      -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT

i686-pc-mingw32-g++ -Wl,-s -mthreads
      -Wl,-subsystem,windows -o
      dist/WindowsRelease/Cross_Compile_GNU-Linux-x86/Kumon_Inventory.exe
      <DEST_dir>/HierarchicalHeaderView.o
      <DEST_dir>/ProxyModelWithHeaderModels.o
      <DEST_dir>/main.o <DEST_dir>/mainForm.o
      <DEST_dir>/moc_HierarchicalHeaderView.o
      <DEST_dir>/moc_ProxyModelWithHeaderModels.o
      <DEST_dir>/moc_mainForm.o 
      -L'<MXE_dir>/usr/i686-pc-mingw32/qt/lib' -lmingw32 -lqtmain
      <DEST_dir>/Kumon_Inventory_resource_res.o -lQtSql -lQtGui
      -lpq -lsecur32 -lssl -lcrypto -lcrypt32 -lodbc32 -lsybdb -lgnutls
      -lnettle -lhogweed -lgmp -liconv -lsqlite3 -lgdi32 -lcomdlg32
      -loleaut32 -limm32 -lwinmm -lwinspool -lmsimg32 -lmng -llcms
      -L<MXE_dir>/usr/i686-pc-mingw32/lib -ltiff -llzma -ljpeg
      -lQtCore -lpng -lole32 -luuid -lws2_32 -ladvapi32 -lshell32
      -luser32 -lkernel32 -lz

<MXE_dir>/usr/i686-pc-mingw32/lib/libgnutls.a(system.o):
      In function `add_system_trust':

<MXE_dir>/tmp-gnutls/gnutls-3.1.10/lib/system.c:434:
      undefined reference to address@hidden'

<MXE_dir>/tmp-gnutls/gnutls-3.1.10/lib/system.c:438:
      undefined reference to address@hidden'

<MXE_dir>/tmp-gnutls/gnutls-3.1.10/lib/system.c:450:
      undefined reference to address@hidden'

<MXE_dir>/tmp-gnutls/gnutls-3.1.10/lib/system.c:463:
      undefined reference to address@hidden'

<MXE_dir>/tmp-gnutls/gnutls-3.1.10/lib/system.c:433:
      undefined reference to address@hidden'

The original Qt pro file was generated by Netbeans, and it called MXE's qmake command to generate the makefile. Since Netbeans doesn't call make correctly, I called make from Terminal.

I'm on the master branch and have built Qt.

-- 
Saikrishna Arcot

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    - Re: [Mingw-cross-env-list] Linker error when compiling a Qt application, Tony Theodore, 2013/05/10
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