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getting the hello world example from hands on with qt to work (error 127)

Nina Weber
Intellectual 445 points

Hello

I am fairly new to QT and Linux and have never yet cross compiled. First my background:

I am using a VirtualBox with Ubuntu 14.04, installed Qt 4.8.6. and the 07.00.00.00 SDK like explained in the SDK Installer Tutorial. Now I started the Hands on with QT Tutorial and everything worked up until step 17. I can create a Makefile using the qmake command, but if I run the make command it says:

[linux-devkit]:~/ti-sdk-am335x-evm-07.00.00.00/example-applications/helloworld> make
arm-linux-gnueabihf-g++ -c -pipe -pipe -pipe  -march=armv7-a -marm -mthumb-interwork -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 --sysroot=/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi  -march=armv7-a -marm -mthumb-interwork -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 --sysroot=/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi -O2 -O2 -Wall -W -Wall -W -Wall -W -D_REENTRANT -DQT_QWS_CLIENTBLIT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/linux-g++ -I. -I/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/include/qtopia/QtCore -I/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/include/qtopia/QtGui -I/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/include/qtopia -I. -o helloworld.o helloworld.cpp
arm-linux-gnueabihf-g++: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
make: *** [helloworld.o] Error 127


Can anybody please tell what I am doing wrong? I googled a lot and tried to change the CROSS_COMPILE but it says

[linux-devkit]:~/ti-sdk-am335x-evm-07.00.00.00/example-applications/helloworld> which arm-linux-gnueabihf-gcc
/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-gnueabihf-gcc

[linux-devkit]:~/ti-sdk-am335x-evm-07.00.00.00/example-applications/helloworld> CROSS_COMPILE = /home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/arm-linux-gnueabihf-
CROSS_COMPILE: command not found

Thank you for your help!

P.S.: This is my Makefile

#############################################################################
# Makefile for building: helloworld
# Generated by qmake (2.01a) (Qt 4.8.4) on: Di. Okt 28 08:52:49 2014
# Project:  helloworld.pro
# Template: app
# Command: /home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/qmake -o Makefile helloworld.pro
#############################################################################

####### Compiler, tools and options

CC            = $(OE_QMAKE_CC)
CXX           = $(OE_QMAKE_CXX)
DEFINES       = -DQT_QWS_CLIENTBLIT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED
CFLAGS        = -pipe -pipe $(OE_QMAKE_CFLAGS) -O2 -Wall -W -Wall -W -D_REENTRANT $(DEFINES)
CXXFLAGS      = -pipe -pipe -pipe $(OE_QMAKE_CFLAGS) $(OE_QMAKE_CXXFLAGS) -O2 -O2 -Wall -W -Wall -W -Wall -W -D_REENTRANT $(DEFINES)
INCPATH       = -I../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/linux-g++ -I. -I$(OE_QMAKE_INCDIR_QT)/QtCore -I$(OE_QMAKE_INCDIR_QT)/QtGui -I$(OE_QMAKE_INCDIR_QT) -I.
LINK          = $(OE_QMAKE_LINK)
LFLAGS        = $(OE_QMAKE_LDFLAGS) -Wl,-rpath-link,$(OE_QMAKE_LIBDIR_QT)
LIBS          = $(SUBLIBS)  -L$(OE_QMAKE_LIBDIR_QT) -lQtGuiE -lEGL -lIMGegl -lsrv_um -lQtNetworkE -lQtCoreE -lpthread
AR            = $(OE_QMAKE_AR) cqs
RANLIB        =
QMAKE         = /home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/i686-arago-linux/usr/bin/qmake
TAR           = tar -cf
COMPRESS      = gzip -9f
COPY          = cp -f
SED           = sed
COPY_FILE     = $(COPY)
COPY_DIR      = $(COPY) -r
STRIP         = $(OE_QMAKE_STRIP)
INSTALL_FILE  = install -m 644 -p
INSTALL_DIR   = $(COPY_DIR)
INSTALL_PROGRAM = install -m 755 -p
DEL_FILE      = rm -f
SYMLINK       = ln -f -s
DEL_DIR       = rmdir
MOVE          = mv -f
CHK_DIR_EXISTS= test -d
MKDIR         = mkdir -p

####### Output directory

OBJECTS_DIR   = ./

####### Files

SOURCES       = helloworld.cpp
OBJECTS       = helloworld.o
DIST          = ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/unix.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/linux.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/gcc-base.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/gcc-base-unix.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/g++-unix.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/qconfig.pri \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/modules/qt_webkit_version.pri \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt_functions.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt_config.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/exclusive_builds.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/default_pre.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/release.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/default_post.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/warn_on.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/unix/thread.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/moc.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/resources.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/uic.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/yacc.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/lex.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/include_source_dir.prf \
        helloworld.pro
QMAKE_TARGET  = helloworld
DESTDIR       =
TARGET        = helloworld

first: all
####### Implicit rules

.SUFFIXES: .o .c .cpp .cc .cxx .C

.cpp.o:
    $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

.cc.o:
    $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

.cxx.o:
    $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

.C.o:
    $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

.c.o:
    $(CC) -c $(CFLAGS) $(INCPATH) -o "$@" "$<"

####### Build rules

all: Makefile $(TARGET)

$(TARGET):  $(OBJECTS)  
    $(LINK) $(LFLAGS) -o $(TARGET) $(OBJECTS) $(OBJCOMP) $(LIBS)

Makefile: helloworld.pro  ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/linux-g++/qmake.conf ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/unix.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/linux.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/gcc-base.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/gcc-base-unix.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/g++-unix.conf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/qconfig.pri \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/modules/qt_webkit_version.pri \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt_functions.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt_config.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/exclusive_builds.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/default_pre.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/release.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/default_post.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/warn_on.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/unix/thread.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/moc.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/resources.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/uic.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/yacc.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/lex.prf \
        ../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/include_source_dir.prf \
        /home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/lib/libQtGuiE.prl \
        /home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/lib/libQtNetworkE.prl \
        /home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/lib/libQtCoreE.prl
    $(QMAKE) -o Makefile helloworld.pro
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/unix.conf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/linux.conf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/gcc-base.conf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/gcc-base-unix.conf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/common/g++-unix.conf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/qconfig.pri:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/modules/qt_webkit_version.pri:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt_functions.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt_config.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/exclusive_builds.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/default_pre.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/release.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/default_post.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/warn_on.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/qt.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/unix/thread.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/moc.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/resources.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/uic.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/yacc.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/lex.prf:
../../linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/share/qtopia/mkspecs/features/include_source_dir.prf:
/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/lib/libQtGuiE.prl:
/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/lib/libQtNetworkE.prl:
/home/xferwebn/ti-sdk-am335x-evm-07.00.00.00/linux-devkit/sysroots/cortexa8hf-vfp-neon-3.8-oe-linux-gnueabi/usr/lib/libQtCoreE.prl:
qmake:  FORCE
    @$(QMAKE) -o Makefile helloworld.pro

dist:
    @$(CHK_DIR_EXISTS) .tmp/helloworld1.0.0 || $(MKDIR) .tmp/helloworld1.0.0
    $(COPY_FILE) --parents $(SOURCES) $(DIST) .tmp/helloworld1.0.0/ && $(COPY_FILE) --parents helloworld.cpp .tmp/helloworld1.0.0/ && (cd `dirname .tmp/helloworld1.0.0` && $(TAR) helloworld1.0.0.tar helloworld1.0.0 && $(COMPRESS) helloworld1.0.0.tar) && $(MOVE) `dirname .tmp/helloworld1.0.0`/helloworld1.0.0.tar.gz . && $(DEL_FILE) -r .tmp/helloworld1.0.0


clean:compiler_clean
    -$(DEL_FILE) $(OBJECTS)
    -$(DEL_FILE) *~ core *.core


####### Sub-libraries

distclean: clean
    -$(DEL_FILE) $(TARGET)
    -$(DEL_FILE) Makefile


check: first

mocclean: compiler_moc_header_clean compiler_moc_source_clean

mocables: compiler_moc_header_make_all compiler_moc_source_make_all

compiler_moc_header_make_all:
compiler_moc_header_clean:
compiler_rcc_make_all:
compiler_rcc_clean:
compiler_image_collection_make_all: qmake_image_collection.cpp
compiler_image_collection_clean:
    -$(DEL_FILE) qmake_image_collection.cpp
compiler_moc_source_make_all:
compiler_moc_source_clean:
compiler_uic_make_all:
compiler_uic_clean:
compiler_yacc_decl_make_all:
compiler_yacc_decl_clean:
compiler_yacc_impl_make_all:
compiler_yacc_impl_clean:
compiler_lex_make_all:
compiler_lex_clean:
compiler_clean:

####### Compile

helloworld.o: helloworld.cpp
    $(CXX) -c $(CXXFLAGS) $(INCPATH) -o helloworld.o helloworld.cpp

####### Install

install:   FORCE

uninstall:   FORCE

FORCE:

  • 0
    TI__Guru**** 393215 points

    Hi Nina,

    The Lab you refer mentions:

    "This current version has been validated on Sitara SDK 06.00.00 using QT Creator 2.7.1."

    Currently training material is being rewritten and validated for SDK 7.0, but this isn't available yet. Can you try with the previous SDK 6.0? Link to SDK 6.0 download is: http://software-dl.ti.com/sitara_linux/esd/AM335xSDK/06_00_00_00/index_FDS.html

  • 0 in reply to Biser Gatchev-XID
    Intellectual 445 points

    Can I just install it alongside the 07.00.00.00 or do I have to delete it first=?

  • 0 in reply to Nina Weber
    Intellectual 445 points

    Also I forgot to mention, that I have 64 bit version of Ubuntu

  • 0 in reply to Nina Weber
    TI__Guru**** 393215 points

    You can have both SDKs side by side, no need to uninstall. And for 64-bit Ubuntu you should download ia32-libs via apt-get. Check this wiki: http://processors.wiki.ti.com/index.php/Sitara_Linux_Training:_Linux_Host_Configuration

  • 0 in reply to Biser Gatchev-XID
    Intellectual 445 points

    I tried the ia32-libs, but it says

    [linux-devkit]:~/Downloads/qt-everywhere-opensource-src-4.8.6/mkspecs/qws> sudo apt-get install ia32-libs
    [sudo] password for xferwebn:
    Paketlisten werden gelesen... Fertig
    Abhängigkeitsbaum wird aufgebaut.       
    Statusinformationen werden eingelesen.... Fertig
    Package ia32-libs is not available, but is referred to by another package.
    This may mean that the package is missing, has been obsoleted, or
    is only available from another source
    However the following packages replace it:
      lib32z1 lib32ncurses5 lib32bz2-1.0

    E: Package 'ia32-libs' has no installation candidate

    So I installed the replacement packages lib32z1 lib32ncurses5 lib32bz2-1.0 yesterday. This seems to have worked with the 07.00.00.00 SDK, as it completed the installer. Or do I have to add something else?

  • 0 in reply to Nina Weber
    Intellectual 445 points

    I installed the 06.00.00.00 SDK and started again with the tutorial, this time doing all the steps in the 06.00.00.00 folder. The same thing happens as before, I get the following error

    [linux-devkit]:~/ti-sdk-am335x-evm-06.00.00.00/example-applications/helloworld> qmake helloworld.pro
    [linux-devkit]:~/ti-sdk-am335x-evm-06.00.00.00/example-applications/helloworld> make
    arm-linux-gnueabihf-g++ -c -pipe -pipe -pipe  -march=armv7-a    -marm -mthumb-interwork -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 --sysroot=/home/xferwebn/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/armv7ahf-vfp-neon-3.2-oe-linux-gnueabi  -march=armv7-a    -marm -mthumb-interwork -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 --sysroot=/home/xferwebn/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/armv7ahf-vfp-neon-3.2-oe-linux-gnueabi -O2 -O2 -Wall -W -Wall -W -Wall -W -D_REENTRANT -DQT_QWS_CLIENTBLIT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I../../linux-devkit/sysroots/armv7ahf-vfp-neon-3.2-oe-linux-gnueabi/usr/share/qtopia/mkspecs/linux-g++ -I. -I/home/xferwebn/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/armv7ahf-vfp-neon-3.2-oe-linux-gnueabi/usr/include/qtopia/QtCore -I/home/xferwebn/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/armv7ahf-vfp-neon-3.2-oe-linux-gnueabi/usr/include/qtopia/QtGui -I/home/xferwebn/ti-sdk-am335x-evm-06.00.00.00/linux-devkit/sysroots/armv7ahf-vfp-neon-3.2-oe-linux-gnueabi/usr/include/qtopia -I. -o helloworld.o helloworld.cpp
    arm-linux-gnueabihf-g++: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory
    make: *** [helloworld.o] Error 127

    I also checked if the libstdc++ package is installed and it's installed. Do you know what might be missing? Do I have to set some PATH variables like I read in other threads? I'm just completely inexperienced, so I don't know where to look for a problem.

    Thank you!

  • 0 in reply to Nina Weber
    Expert 1510 points

    The instructions from that lab do work as is with SDK 7.0--I've made a feq Qt apps in the past with SDK 7.0.  I'm not sure what's going wrong with your setup, but I'll redo the first few steps of that lab with a fresh install of SDK 7.0 and see if I can reproduce that error.

  • 0 in reply to jelliott
    Intellectual 445 points

    I have now reinstalled the SDK again and went through the tutorial once again and the error comes up everytime. It doesn't matter which SDK I use.

  • 0 in reply to Nina Weber
    Intellectual 445 points

    Ok, I found the problem :-)

    sudo apt-get install lib32stdc++6

    After installing this, it worked! Now, let's move on