Build zlib:
    $ cd /z/dev
    $ cd zlib
    $ ./configure
    $ make
    $ mkdir include lib
    $ cp z{lib,conf}.h include
    $ cp libz.a lib
    $ cd ..

Build libexpat:
    $ cd expat
    $ ./configure
    $ make
    $ mkdir include
    $ cp lib/expat{,_external}.h include
    $ cp .libs/libexpat.a lib/libexpat.a
    $ cd ..

Build exiv2:
    $ cd exiv2
    $ ./configure --with-zlib=/z/dev/zlib --with-expat=/z/dev/expat --disable-shared
    (This takes ~4 minutes)
    $ make
    (This takes ~25 minutes)
    $ mkdir include lib
    $ cp src/{exiv2,utils,types,version}.hpp include
    $ cp src/exv_conf.h include
    $ cp src/.libs/libexiv2.a lib
    $ cd ..

QT          -= gui
TARGET       = exif
CONFIG      += console
CONFIG      -= app_bundle
LIBS        += -LC:/MSYS/z/dev/exiv2/lib/ -lexiv2 \
               -LC:/MSYS/z/dev/expat/lib/ -lexpat
INCLUDEPATH += C:/MSYS/z/dev/exiv2/src
TEMPLATE     = app
SOURCES     += main.cpp

#include <image.hpp> //needed for exif operations
#include <exif.hpp>
#include <iostream>
#include <iomanip>
#include <cassert>

int main(int argc, char *argv[])
{
    try {
        if (argc != 2) {
            std::cout << "Usage: " << argv[0] << " file\n";
            return 1;
        }

        Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
        assert(image.get() != 0);
        image->readMetadata();

        Exiv2::ExifData &exifData = image->exifData();
        if (exifData.empty()) {
            std::string error(argv[1]);
            error += ": No Exif data found in the file";
            throw Exiv2::Error(1, error);
        }
        Exiv2::ExifData::const_iterator end = exifData.end();
        for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
            const char* tn = i->typeName();
            std::cout << std::setw(44) << std::setfill(' ') << std::left
                      << i->key() << " "
                      << "0x" << std::setw(4) << std::setfill('0') << std::right
                      << std::hex << i->tag() << " "
                      << std::setw(9) << std::setfill(' ') << std::left
                      << (tn ? tn : "Unknown") << " "
                      << std::dec << std::setw(3)
                      << std::setfill(' ') << std::right
                      << i->count() << "  "
                      << std::dec << i->value()
                      << "\n";
        }

        return 0;
    }
    catch (Exiv2::AnyError& e) {
        std::cout << "Caught Exiv2 exception '" << e << "'\n";
        return -1;
    }
}