On Wed, 2008-01-23 at 23:21 +0100, René 'Necoro' Neumann wrote: > > - In what way does the C++ version not work ? > > - What is "a C++ one" ? Is this the same source but compiled with the > > arm-wince-mingw32ce-g++ compiler ? > > I changed the example to use iostreams / fstreams. Compiling the > C-source with g++ worked fine... > > > - Which version of our source are you using ? (Is the source the current > > SVN version, or some other ?) Which binary ? > > source: 0.51-tag (so _not_ trunk) > binary: 0.51 > > > > >> So my question is: What is the task of this DLLs? - Are they needed? - > >> Or is there no problem in not installing them? > > > > Which DLL ? > mandriva-cegcc-mingw32ce-c++dlls-0.51.0.tar.gz resp. > build-mingw32ce-dlls.sh :)
Ok. Those files should cause the arm-wince-mingw32ce-g++ to pick up the
libstdc++ DLL (and the libsupc++ DLL). If you have these on your build
host (your PC), then the resulting exe will be much smaller than before.
Here's an example :
dannypc: {101} make
arm-wince-mingw32ce-g++ -static -o fs.exe fibo.C
arm-wince-mingw32ce-g++ -o fd.exe fibo.C
dannypc: {102} l -tr
total 963
-rw-rw-r-- 1 danny backx 146 Jan 24 16:11 Makefile
-rw-rw-r-- 1 danny backx 654 Jan 24 16:12 fibo.C
-rwxrwxr-x 1 danny backx 967041 Jan 24 16:13 fs.exe
-rwxrwxr-x 1 danny backx 10466 Jan 24 16:13 fd.exe
dannypc: {103}
Stripping further brings this down to :
-rwxrwxr-x 1 danny backx 545280 Jan 24 16:13 fs.exe
-rwxrwxr-x 1 danny backx 4096 Jan 24 16:13 fd.exe
While on that subject, the DLLs from the distribution you mention are
unstripped. They still work, at least they do so on my PDA, when you
strip them with arm-wince-mingw32ce-strip.
Obviously to run fd.exe you need the DLLs it uses. You can inspect that
e.g. as follows :
dannypc: {110} arm-wince-mingw32ce-objdump -x fd.exe | fgrep DLL
vma: Hint Time Forward DLL First
DLL Name: COREDLL
DLL Name: libstdc++-6.dll
dannypc: {111} arm-wince-mingw32ce-objdump -x fs.exe | fgrep DLL
vma: Hint Time Forward DLL First
DLL Name: coredll.dll
DLL Name: COREDLL
With this knowledge, do you still have problems ?
Danny
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