[SOLVED] [G++ 4.2.4] Kompilierte & gelinkte programe sind nicht ausführbar



  • HI,
    Ich habe wie schon im Titel geschrieben, das Problem, dass egal welches Programm ich mit G++ kompiliere, ich es nicht ausführen kann.

    Commandline:

    shade@bumbleblee ~/code/projects/aufgabe-eli $ g++ -march=i686 main.cpp calculator.cpp -o calc
    shade@bumbleblee ~/code/projects/aufgabe-eli $ ./calc 
    -bash: ./calc: Keine Berechtigung
    shade@bumbleblee ~/code/projects/aufgabe-eli $ file ./calc 
    ./calc: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs), not stripped
    shade@bumbleblee ~/code/projects/aufgabe-eli $ ldd ./calc 
    ldd: warning: you do not have execution permission for `./calc'
    	not a dynamic executable
    

    Umgebungsvariablen:

    echo $PATH
    /usr/local/bin:/usr/bin:/bin:/opt/bin:/usr/i686-pc-linux-gnu/gcc-bin/4.2.4:/usr/qt/3/bin:/usr/games/bin:/home/shade/.scripts:/home/shade/bin:/opt/bin:/opt/TeamSpeak2:/opt/VirtualBox
    
    echo $LD_LIBRARY_PATH
    /usr/lib/xorg:/usr/lib:/usr/local/lib:/usr/lib/gcc/i686-pc-linux-gnu/4.2.4/:/usr/lib/libstdc++-v3/:/usr/lib:/usr/local/lib:/usr/lib/gcc/i686-pc-linux-gnu/4.2.4/:/usr/lib/libstdc++-v3/
    

    GCC/G++ Version

    shade@bumbleblee ~/code/projects $ gcc -v
    Es werden eingebaute Spezifikationen verwendet.
    Ziel: i686-pc-linux-gnu
    Konfiguriert mit: /var/tmp/portage/sys-devel/gcc-4.2.4/work/gcc-4.2.4/configure --prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.2.4 --includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.2.4/include --datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.2.4 --mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.2.4/man --infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.2.4/info --with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.2.4/include/g++-v4 --host=i686-pc-linux-gnu --build=i686-pc-linux-gnu --disable-altivec --enable-nls --without-included-gettext --with-system-zlib --disable-checking --disable-werror --enable-secureplt --disable-multilib --enable-libmudflap --disable-libssp --disable-libgcj --with-arch=i686 --enable-languages=c,c++,treelang,fortran --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
    Thread-Modell: posix
    gcc-Version 4.2.4 (Gentoo 4.2.4 p1.0)
    

    LD Version

    shade@bumbleblee ~/code/projects $ ld -v
    GNU ld (GNU Binutils) 2.18
    

    LDD/libc Version

    shade@bumbleblee ~/code/projects $ ldd --version
    ldd (GNU libc) 2.6.1
    Copyright © 2007 Free Software Foundation, Inc.
    Dies ist freie Software; in den Quellen befinden sich die Lizenzbedingungen.
    Es gibt KEINERLEI Garantie; nicht einmal für die TAUGLICHKEIT oder
    VERWENDBARKEIT FÜR EINEN ANGEGEBENEN ZWECK.
    Written by Roland McGrath and Ulrich Drepper.
    

    Hier noch der Code des Programms, ist aber noch lange nicht fertig, soll eine Art kleiner Taschenrechner werden ...

    main.cpp

    /**
     * @version 20080524-testing
     * @file main.cpp
     */
    
    //! C++ STD::LIB && STL Includes
    #include <iostream>
    #include <string>
    #include <vector>
    
     //! Project Includes
     #include "calculator.hpp"
    
    int main(int argc, char**argv)
    {
        //! Decalre all needed vars
        Calculator calc;
        std::wstring input;
        std::wstring result;
        std::vector<std::wstring> exp;
        //! Print Start & copyright message
        std::wcout << L" Calculator (c) branleb@gmail.com" << std::endl;
        std::wcout << L"==================================" << std::endl;
        //! Go into mainloop
        do
        {
            std::wcout << L"Wählen Sie die Art der Eingabe aus:" << std::endl;
            std::wcout << L"\t1.) Den kompletten Ausdruck eingeben" << std::endl;
            std::wcout << L"\t2.) Jeden Operanden einzeln eingeben" << std::endl;
            std::wcout << L"\f";
            std::wcout.flush();
    
            //! Get the whole expression and calculate it
            if(input.compare(L"1")) {
                std::wcout << L"Geben Sie " << std::endl;
                std::wcin >> input;
                calc.set_expression(input);
            } else {
                if(input.compare(L"2")) {
                    //! Get the every single operator, assemble the expression and calculate it
                    do
                    {
                        input.clear();
                        std::wcin >> input;
                        exp.push_back(input);
                    }
                    while(input.compare(L"stop") || input.compare(L"Stop") || input.compare(L"STOP"));
                    calc.set_expression(exp);
                }
            }
            //! Calculate the result, fetch it and print it
            calc.calculate();
            result = calc.get_result();
            std::wcout << L"Das Ergebnis:\t" << result << std::endl;
    
        }
        while(input.compare(L"ende") || input.compare(L"quit") || input.compare(L"exit"));
    
    }
    

    calculator.hpp

    /**
     * @version 20080524-testing
     * @file calc.cpp
     */
    
    //! C++ STD::LIB && STL Includes
    #include <string>
    #include <sstream>
    #include <vector>
    
    class Calculator
    {
        //! c'tor & d'tor
        public:
            Calculator();
            Calculator(const std::wstring&);
            ~Calculator();
        //! get-/set-methods
        public:
            bool set_expression(const std::wstring&);
            bool set_expression(const std::vector<std::wstring>&);
            const std::vector<std::wstring>& get_expression();
    
            const double& get_result();
    
        protected:
            void set_result(const double&);
    
        //! methods
        public:
            bool calculate();
    
        //! variables
        private:
            double result;
            std::vector<std::wstring> expression;
    
    };
    

    calculator.cpp

    /**
     * @version 20080524-testing
     * @file calc.hpp
     */
    
     //! Project Includes
     #include "calculator.hpp"
    
    //! c'tor
    Calculator::Calculator() : result(0.0), expression()
    {
        this->set_result(0.0);
    }
    
    //! d'tor
    Calculator::~Calculator()
    {
        //! Clear vars
        this->set_result(0);
        this->set_expression(L"");
    }
    
    const std::vector<std::wstring>& Calculator::get_expression()
    {
        //! cast to const and return
        return const_cast<const std::vector<std::wstring>&>(this->expression);
    }
    
    bool Calculator::set_expression(const std::wstring& exp)
    {
        //! Check if should be cleared
        if(exp.compare(L"")) {
            this->expression.clear();
        }
        //! Check validity
        //! store
        return true;
    }
    
    bool Calculator::set_expression(const std::vector<std::wstring>& exp)
    {
        //! Check validity
        //! store
        this->expression = const_cast< std::vector<std::wstring>& >(exp);
        return true;
    }
    
    const double& Calculator::get_result()
    {
        //! cast to const and return
        return const_cast<const double&>(this->result);
    }
    
    void Calculator::set_result(const double& res)
    {
        //! cast to const and return
        this->result = const_cast<double&>(res);
    }
    
    bool Calculator::calculate()
    {
        return true;
    }
    

    Binary Symbols

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    Ich verwende ansonsten Gentoo Linux,
    aktuell geupdated ...

    GCC USE-Flags

    [ebuild   R   ] sys-devel/gcc-4.2.4  USE="fortran gtk mudflap nls openmp (-altivec) -bootstrap -build -doc -gcj (-hardened) -ip28 -ip32r10k -libffi (-multilib) -multislot (-n32) (-n64) -nocxx -objc -objc++ -objc-gc -test -vanilla" 0 kB
    

    libc USE-Flags

    [ebuild   R   ] sys-libs/glibc-2.6.1  USE="nls -debug -gd -glibc-omitfp (-hardened) (-multilib) -profile (-selinux) -vanilla" 88 kB
    

    Das Problem tritt aber nicht nur hier auf, sondern bei einem einfahcen Hello World Programm. Ich hoffe jemand kann mir helfen, denn Programmieren ist so etwas öde 😞

    Ach, und x-bit ist gesetzt und als root kommt die Meldung auch

    shade@bumbleblee ~/code/projects $ sudo ./hello
    sudo: unable to execute ./hello: Keine Berechtigung
    shade@bumbleblee ~/code/projects $ ls -lasv aufgabe-eli/calc
    32 -rwxr-xr-x 1 shade users 29125 25. Mai 12:23 aufgabe-eli/calc
    shade@bumbleblee ~/code/projects $ ls -lasv hello
    8 -rwxr-xr-x 1 shade users 7902 25. Mai 12:41 hello
    shade@bumbleblee ~/code/projects $ sudo aufgabe-eli/calc
    sudo: unable to execute aufgabe-eli/calc: Keine Berechtigung
    

    MfG branleb

    //! EDIT[solved]
    Habs gelöst.
    in der /etc/fstab war noexec unter den mount optionen drin ...



  • chmod +x calc
    

    ?

    /EDIT: grml, erst mal das Posting zuende lesen. Sorry.


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