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[Ccrtp-devel] baby steps: ccrtp, uclibc++, embedded openWRT

From: Chuck Harrison
Subject: [Ccrtp-devel] baby steps: ccrtp, uclibc++, embedded openWRT
Date: Sat, 18 Nov 2006 16:33:35 -0800


disclaimer: I'm a bit of a n00b so if this is the wrong place to
post please point me elsewhere.

I'm bringing up an rtp-based audio system on an embedded mips
processor under the openWRT linux distro, .
I have uClibc++ (an embedded-systems substitute for stdlibc++)
common c++ 1.5.1, and ccrtp 1.5.0.

My first surprise is that ccrtp configure decides that 
-I/home/trunk/build_mipsel/commoncpp2-1.5.1/include/cc++2/cc++2  '
The only subdirectory under my commoncpp2-1.5.1/include is cc++,
which contains things like address.h, buffer.h, ... zstream.h .

My second surprise (which is also an include-files issue but I
think it's independent) is that ccrtp compile fails with
"_Atomic_word does not name a type". This is libtool calling g++:

 mipsel-linux-uclibc-g++ -DHAVE_CONFIG_H -I. -I. -I.
ipsel/usr/include -I/home/trunk/staging_dir_mipsel/include -Wall -ansi
 -Os -pipe -mips32 -mtune=mips32 -funit-at-a-time -fno-builtin
-fno-rtti -nostdi
+2 -c rtppkt.cpp  -fPIC -DPIC -o .libs/rtppkt.o
In file included from private.h:89,
                 from rtppkt.cpp:44:
/home/trunk/staging_dir_mipsel/usr/include/cc++/thread.h:539: error:
rd' does not name a type

Now _Atomic_word is defined in atomic_word.h
address@hidden:/home/trunk$ ls
atomic_word.h   c++locale.h  [...]

and included from atomicity.h
address@hidden:/home/trunk$ ls staging_dir_mipsel/include/c++/3.4.6/bits
allocator.h            locale_facets.h            stl_pair.h
atomicity.h            locale_facets.tcc          stl_queue.h
basic_ios.h            localefwd.h                [...]

and both of these are under the
path given to g++.

Thanks for any help.


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