Am Sonntag, den 10.01.2010, 21:47 +0100 schrieb Paul Menzel: > Am Sonntag, den 10.01.2010, 13:39 +0100 schrieb Henning Heinold: > > On Sun, Jan 10, 2010 at 08:53:18AM +0100, Paul Menzel wrote: > > > packaging VDR for OE you added cplusplus.patch [1] to be applied. I am > > > trying to get the patches upstream, but I have some questions. > > > > > > Is it correct, that the two changes have the following goals? > > > > > > 1. Instead of using the C headers which are deprecated use the headers > > > provided by C++ as mentioned for example in [2]. > > > 2. You changed `canonicalize_file_name(FileName);` to > > > `realpath(FileName,NULL);`. Is that because OE just support Linux and > > > not GNU/Hurd for example [3]? > > > 3. I do not understand why a lot of headers are included in tools.h and > > > tools.c. But I have to look that up in some reference. > > > > with gcc 4.x and 4.4 c++ is stricter at including headers the right way. > > So you need to include a couple of headers, because some functions > > are not found. You can test it in oe with using binutils 2.20 and > > gcc-4.4.2 and leave the patches out. > > > > The problem with canonicalize_file_name was, that the function too > > wasn't found with gcc-4.4.2. So I googled and found that > > canonicalize_file_name(FileName) is the same as realpath(FileName,NULL), > > but realpath was found. > > > > I hope this clears some stuff. > > I tried to reproduce that on my Debian Sid/unstable system with > > $ g++ --version > g++ (Debian 4.4.2-8) 4.4.2 > $ ld --version # binutils 2.20-4 > GNU ld (GNU Binutils for Debian) 2.20 > $ git clone git://git.gekrumbel.de/vdr.git > $ cd vdr > $ make > > and did not get any warnings. > > I will try to reproduce this in OE but have to read up on how to change > the versions in my `local.conf`.
Dear Henning,
could please you send me your `local.conf` so that I can reproduce this
please? Putting
PREFERRED_VERSION_binutils = "2.20"
PREFERRED_VERSION_binutils-cross = "2.20"
PREFERRED_VERSION_binutils-cross-sdk = "2.20"
PREFERRED_VERSION_gcc = "4.4.2"
PREFERRED_VERSION_gcc-cross = "4.4.2"
PREFERRED_VERSION_gcc-cross-sdk = "4.4.2"
PREFERRED_VERSION_gcc-cross-initial = "4.4.2"
PREFERRED_VERSION_gcc-cross-intermediate = "4.4.2"
in my `local.conf` and running `bitbake vdr` gave me an error in
`do_compile` for `libcap_1.10.bb`.
arm-angstrom-linux-gnueabi-ld -soname libcap.so.1 -x -shared -o
libcap.so.1.10 cap_alloc.o cap_proc.o cap_extint.o cap_flag.o cap_text.o
cap_sys.o
arm-angstrom-linux-gnueabi-ld: cap_text.o: relocation R_ARM_MOVW_ABS_NC
against `a local symbol' can not be used when making a shared object; recompile
with -fPIC
Thanks,
Paul
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