Has anyone tried to port Mono to RTEMS

Joel Sherrill joel at rtems.org
Sun Jul 23 23:24:08 UTC 2017


On Sun, Jul 23, 2017 at 5:44 PM, Russell Haley <russ.haley at gmail.com> wrote:

> So I downloaded mono from git and changed to "mono-4.8.0-branch" branch
> and ran ./autogen.sh. I had to install some tools and modify autogen.sh to
> work on FreeBSD.
>
> My commands are here: https://pastebin.com/y0XN7FDf
> The output from autogen.sh is here: https://pastebin.com/zNVJB6qp
>
> Note that my output is *much* different from yours. My system does NOT
> check for the same items - notably your missing timezone item. Possibly for
> one a few reasons that I could see: Different host operating system,
> different compiler version or different compiler requirements. You won't
> know unless you build for your host system first.
>
> Anyway, I ran make. The whole thing fails on line 1. Ha ha!
>
> root at rtems412:~/mono # gmake
> Git submodules updated successfully
> gmake  all-recursive
> gmake[1]: Entering directory '/root/mono'
> Making all in po
> gmake[2]: Entering directory '/root/mono/po'
> Making all in mcs
> gmake[3]: Entering directory '/root/mono/po/mcs'
> test ! -f ./mcs.pot || \
>   test -z "es.gmo ja.gmo de.gmo pt_BR.gmo" || gmake es.gmo ja.gmo de.gmo
> pt_BR.gmo
> gmake[4]: Entering directory '/root/mono/po/mcs'
> : --update  --lang=es es.po mcs.pot
> rm -f es.gmo && : -c --statistics --verbose -o es.gmo es.po
> mv: rename t-es.gmo to es.gmo: No such file or directory
>

There is a probe for a program which came up empty-handed. My guess is that
it didn't find a native compiler.

If it has a proper configure script, it should infer CC=gcc and something
like
CC_FOR_TARGET=XXX-rtemsNN-gcc.


> gmake[4]: *** [Makefile:181: es.gmo] Error 1
> gmake[4]: Leaving directory '/root/mono/po/mcs'
> gmake[3]: *** [Makefile:218: stamp-po] Error 2
> gmake[3]: Leaving directory '/root/mono/po/mcs'
> gmake[2]: *** [Makefile:451: all-recursive] Error 1
> gmake[2]: Leaving directory '/root/mono/po'
> gmake[1]: *** [Makefile:535: all-recursive] Error 1
> gmake[1]: Leaving directory '/root/mono'
> gmake: *** [Makefile:465: all] Error 2
>
>
> Your still a long way off from compiling, it still needs to clone a bunch
> of packages and download binaries that it uses for bootstrapping the
> builds. I would check autogen.sh against the rtems compilers but I'm still
> unable to complete the RSB for FreeBSD reasons.
>
> HTH
> Russ
>
>
> On Sun, Jul 23, 2017 at 8:40 AM, Joel Sherrill <joel at rtems.org> wrote:
>
>> I would add that if you got far enough for the timezone probe to fail,
>> you can try io compile that test code by hand. Then figure out which side
>> is at fault. Maybe timezone as a variable is not required by POSIX so we
>> don't have it. Then Mono needs adjustment. Maybe you need to add a -Dxxx to
>> turn on optional features in the C Library.
>>
>> A port like this has to get the build working but then it is a series of
>> small steps about issues like this.
>>
>>
>>
>> On Jul 23, 2017 10:35 AM, "Russell Haley" <russ.haley at gmail.com> wrote:
>>
>>> Did you run make? Did you get it to build? Lets slow down a sec:
>>>
>>> (Once again, I'm just another schmuck on the board, this is not rtems
>>> position, but I'm interested in your work):
>>>
>>> The reason nobody can help you is because from what I can tell, nobodies
>>> tried this yet. You need to get all the other parts in order before you
>>> attempt something new. I know you don't want to here this (I hate hearing
>>> it too!). That's what I had to do to get new drivers working in the FreeBSD
>>> kernel, I had to stop, slow down and start with the basics and work back
>>> up, and now I have an SSD working on my  IMX6 board! (I was trying to build
>>> the whole image. I had to back up and started with the snapshot image from
>>> the website, and then modified the kernel, then when back and compared my
>>> image to the stock image to find what was wrong).
>>>
>>> So here's a thought. If you could record what you are doing and send the
>>> instructions and the complete output then I would be able to a) see what
>>> your running and b) try to follow along and reproduce what your attempting.
>>> If you don't feel like sharing, that's fine, but currently nobody here has
>>> much clarity into what you're doing or what you've done. None of  us are
>>> able to follow along. If you write down each step you take in a document,
>>> then  you (or us if you share it) can see what you have done and attempt to
>>> reproduce it. When your running your commands, record your outputs at the
>>> same time. I use "script /tmp/output.txt ... end"  or just cut and paste
>>> into a document and then upload that to pastebin.com to share.
>>>
>>> A good indication of where you should direct your work output and
>>> questions would be who's source code you are compiling (sometimes, I just
>>> got a terse email from the lua maintainer about where a FreeBSD patch
>>> should be applied. double entendre intended!). However:
>>>
>>> How did you build your compiler (it is assumed you used the rsb)?
>>> Can you build rtems currently and link in a test application? Does it
>>> run on your target?
>>> Can you build mono separately with the default host compilers?
>>> Can  you build mono separately and make it run on your target?
>>> Can you build something simple like a little C program with the rtems
>>> compilers you're using? Does it work with rtems?
>>>
>>> (IMHO) it would be good for you to organise your notes because you are
>>> obviously smart and determined enough on this to perhaps get it done.
>>>
>>> SO, start from the beginning. Can you compile Mono for your host?
>>>
>>>
>>>
>>> On Sun, Jul 23, 2017 at 7:27 AM, xuelin.tian <xuelin.tian at qkmtech.com>
>>> wrote:
>>>
>>>> In my thought, it is not just like the build environment like RSB, it
>>>> is like everything... including mcs, CLR, and so on. And these should all
>>>> be installed in RTEMS, so I tried to cross-compile it. I do not know if I
>>>> am on the right path. How do I run (or install) these in RTEMS?
>>>>
>>>>
>>>> ------------------ Original ------------------
>>>> *From: * "Russell Haley"<russ.haley at gmail.com>;
>>>> *Date: * Fri, Jul 21, 2017 01:09 PM
>>>> *To: * "xuelin.tian"<xuelin.tian at qkmtech.com>;
>>>> *Cc: * "Joel Sherrill"<joel at rtems.org>; "users"<users at rtems.org>;
>>>> *Subject: * Re: Has anyone tried to port Mono to RTEMS
>>>>
>>>> This is just the configuration step. It's setting up your build
>>>> environment akin to what ‎the rtems-source-builder sb-check does.
>>>>
>>>> It looks like your on the right path. It checked your compilers and
>>>> verified it can use them.
>>>>
>>>> Russ
>>>>
>>>> Sent from my BlackBerry 10 smartphone on the Virgin Mobile network.
>>>> *From: *xuelin.tian at qkmtech.com
>>>> *Sent: *Thursday, July 20, 2017 8:11 PM
>>>> *To: *Russell Haley
>>>> *Cc: *Joel Sherrill; users at rtems.org
>>>> *Subject: *Re: Re: Has anyone tried to port Mono to RTEMS
>>>>
>>>> Sorry about some missing information.
>>>> My host is ubuntu 14.4 (--host=x86_64-unknown-linux), and target is
>>>> Zynq, ARM family (--target=arm-rtems4.11).
>>>> I want to cross-compile Mono from source, downloaded from Github, the
>>>> version is 4.8.1.0, not the HEAD.
>>>>
>>>> I think what you mean by build output is shown below:
>>>> =================================================
>>>> Running libtoolize...
>>>> libtoolize: putting auxiliary files in `.'.
>>>> libtoolize: copying file `./ltmain.sh'
>>>> libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
>>>> libtoolize: copying file `m4/libtool.m4'
>>>> libtoolize: copying file `m4/ltoptions.m4'
>>>> libtoolize: copying file `m4/ltsugar.m4'
>>>> libtoolize: copying file `m4/ltversion.m4'
>>>> libtoolize: copying file `m4/lt~obsolete.m4'
>>>> Running aclocal -I m4 -I .  ...
>>>> Running autoheader...
>>>> Running automake --gnu  ...
>>>> Running autoconf ...
>>>> Running libgc/autogen.sh ...
>>>> Running libtoolize...
>>>> libtoolize: putting auxiliary files in `.'.
>>>> libtoolize: copying file `./ltmain.sh'
>>>> libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
>>>> libtoolize: copying file `m4/libtool.m4'
>>>> libtoolize: copying file `m4/ltoptions.m4'
>>>> libtoolize: copying file `m4/ltsugar.m4'
>>>> libtoolize: copying file `m4/ltversion.m4'
>>>> libtoolize: copying file `m4/lt~obsolete.m4'
>>>> Running aclocal  -Wnone ...
>>>> Running automake --gnu  ...
>>>> Makefile.am:32: error: Libtool library used but 'LIBTOOL' is undefined
>>>> Makefile.am:32:   The usual way to define 'LIBTOOL' is to add 'LT_INIT'
>>>> Makefile.am:32:   to 'configure.ac' and run 'aclocal' and 'autoconf'
>>>> again.
>>>> Makefile.am:32:   If 'LT_INIT' is in 'configure.ac', make sure
>>>> Makefile.am:32:   its definition is in aclocal's search path.
>>>> **Error**: automake failed.
>>>> Done running libgc/autogen.sh ...
>>>> Running eglib/autogen.sh ...
>>>> Running libtoolize...
>>>> libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
>>>> libtoolize: copying file `m4/libtool.m4'
>>>> libtoolize: copying file `m4/ltoptions.m4'
>>>> libtoolize: copying file `m4/ltsugar.m4'
>>>> libtoolize: copying file `m4/ltversion.m4'
>>>> libtoolize: copying file `m4/lt~obsolete.m4'
>>>> Running aclocal -I m4  ...
>>>> Running autoheader...
>>>> Running automake --gnu  ...
>>>> Running autoconf ...
>>>> Skipping configure process.
>>>> Done running eglib/autogen.sh ...
>>>> Running ./configure --enable-maintainer-mode --enable-compile-warnings
>>>> --prefix=/opt/Mono/mono-4.8.1.0/mono-arm --target=arm-rtems4.11
>>>> --host=x86_64-unknown-linux CC=/opt/rtems-4.11.1-release/4
>>>> .11-tools/bin/arm-rtems4.11-gcc CFLAGS=-qrtems
>>>> -B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/lib
>>>> -B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/xilinx_zynq_zedboard/lib/
>>>> -I//opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/xilinx_zynq_zedboard/lib/include
>>>> --specs bsp_specs -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard
>>>> -mtune=cortex-a9 ...
>>>> checking build system type... x86_64-unknown-linux-gnu
>>>> checking host system type... x86_64-unknown-linux-gnu
>>>> checking target system type... arm-unknown-rtems4.11
>>>> checking for a BSD-compatible install... /usr/bin/install -c
>>>> checking whether build environment is sane... yes
>>>> checking for x86_64-unknown-linux-strip... no
>>>> checking for strip... strip
>>>> checking for a thread-safe mkdir -p... /bin/mkdir -p
>>>> checking for gawk... no
>>>> checking for mawk... mawk
>>>> checking whether make sets $(MAKE)... yes
>>>> checking how to create a ustar tar archive... gnutar
>>>> checking whether to enable maintainer-specific portions of Makefiles...
>>>> yes
>>>> checking whether ln -s works... yes
>>>> checking whether make supports nested variables... yes
>>>> checking host platform characteristics... ok
>>>> checking for x86_64-unknown-linux-gcc... /opt/rtems-4.11.1-release/4.11
>>>> -tools/bin/arm-rtems4.11-gcc
>>>> checking for x86_64-unknown-linux-gcc... (cached)
>>>> /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> checking whether the C compiler works... yes
>>>> checking for C compiler default output file name... a.out
>>>> checking for suffix of executables...
>>>> checking whether we are cross compiling... yes
>>>> checking for suffix of object files... o
>>>> checking whether we are using the GNU C compiler... yes
>>>> checking whether /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> accepts -g... yes
>>>> checking for /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> option to accept ISO C89... none needed
>>>> checking for style of include used by make... GNU
>>>> checking dependency style of /opt/rtems-4.11.1-release/4.11
>>>> -tools/bin/arm-rtems4.11-gcc... gcc3
>>>> checking for x86_64-unknown-linux-g++... no
>>>> checking for g++... g++
>>>> configure: WARNING: using cross tools not prefixed with host triplet
>>>> checking whether we are using the GNU C++ compiler... yes
>>>> checking whether g++ accepts -g... yes
>>>> checking dependency style of g++... gcc3
>>>> checking dependency style of /opt/rtems-4.11.1-release/4.11
>>>> -tools/bin/arm-rtems4.11-gcc... gcc3
>>>> checking for gawk... (cached) mawk
>>>> checking whether /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> and cc understand -c and -o together... yes
>>>> checking how to run the C preprocessor... /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> -E
>>>> checking for grep that handles long lines and -e... /bin/grep
>>>> checking for egrep... /bin/grep -E
>>>> checking for ANSI C header files... yes
>>>> checking how to print strings... printf
>>>> checking for a sed that does not truncate output... /bin/sed
>>>> checking for fgrep... /bin/grep -F
>>>> checking for ld used by /opt/rtems-4.11.1-release/4.11
>>>> -tools/bin/arm-rtems4.11-gcc... /opt/rtems-4.11.1-release/4.11
>>>> -tools/arm-rtems4.11/bin/ld
>>>> checking if the linker (/opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld)
>>>> is GNU ld... yes
>>>> checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B
>>>> checking the name lister (/usr/bin/nm -B) interface... BSD nm
>>>> checking the maximum length of command line arguments... 1572864
>>>> checking whether the shell understands some XSI constructs... yes
>>>> checking whether the shell understands "+="... yes
>>>> checking how to convert x86_64-unknown-linux-gnu file names to
>>>> x86_64-unknown-linux-gnu format... func_convert_file_noop
>>>> checking how to convert x86_64-unknown-linux-gnu file names to
>>>> toolchain format... func_convert_file_noop
>>>> checking for /opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld
>>>> option to reload object files... -r
>>>> checking for x86_64-unknown-linux-objdump... objdump
>>>> checking how to recognize dependent libraries... pass_all
>>>> checking for x86_64-unknown-linux-dlltool... dlltool
>>>> checking how to associate runtime and link libraries... printf %s\n
>>>> checking for x86_64-unknown-linux-ar... no
>>>> checking for ar... ar
>>>> checking for archiver @FILE support... @
>>>> checking for x86_64-unknown-linux-strip... strip
>>>> checking for x86_64-unknown-linux-ranlib... no
>>>> checking for ranlib... ranlib
>>>> checking command to parse /usr/bin/nm -B output from
>>>> /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc object... ok
>>>> checking for sysroot... no
>>>> checking for x86_64-unknown-linux-mt... no
>>>> checking for mt... mt
>>>> checking if mt is a manifest tool... no
>>>> checking for sys/types.h... yes
>>>> checking for sys/stat.h... yes
>>>> checking for stdlib.h... yes
>>>> checking for string.h... yes
>>>> checking for memory.h... yes
>>>> checking for strings.h... yes
>>>> checking for inttypes.h... yes
>>>> checking for stdint.h... yes
>>>> checking for unistd.h... yes
>>>> checking for dlfcn.h... yes
>>>> checking for objdir... .libs
>>>> checking if /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> supports -fno-rtti -fno-exceptions... no
>>>> checking for /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> option to produce PIC... -fPIC -DPIC
>>>> checking if /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> PIC flag -fPIC -DPIC works... yes
>>>> checking if /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> static flag -static works... yes
>>>> checking if /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> supports -c -o file.o... yes
>>>> checking if /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> supports -c -o file.o... (cached) yes
>>>> checking whether the /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> linker (/opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld -m
>>>> elf_i386) supports shared libraries... no
>>>> checking dynamic linker characteristics... GNU/Linux ld.so
>>>> checking how to hardcode library paths into programs... unsupported
>>>> checking whether stripping libraries is possible... yes
>>>> checking if libtool supports shared libraries... no
>>>> checking whether to build shared libraries... no
>>>> checking whether to build static libraries... yes
>>>> checking how to run the C++ preprocessor... g++ -E
>>>> checking for ld used by g++... /opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld
>>>> -m elf_i386
>>>> checking if the linker (/opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld
>>>> -m elf_i386) is GNU ld... no
>>>> checking whether the g++ linker (/opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld
>>>> -m elf_i386) supports shared libraries... yes
>>>> checking for g++ option to produce PIC... -fPIC -DPIC
>>>> checking if g++ PIC flag -fPIC -DPIC works... yes
>>>> checking if g++ static flag -static works... yes
>>>> checking if g++ supports -c -o file.o... yes
>>>> checking if g++ supports -c -o file.o... (cached) yes
>>>> checking whether the g++ linker (/opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld
>>>> -m elf_i386) supports shared libraries... yes
>>>> checking dynamic linker characteristics... (cached) GNU/Linux ld.so
>>>> checking how to hardcode library paths into programs... unsupported
>>>> checking for bash... /bin/bash
>>>> checking if dolt supports this host... yes, replacing libtool
>>>> checking for ld used by /opt/rtems-4.11.1-release/4.11
>>>> -tools/bin/arm-rtems4.11-gcc... (cached) /opt/rtems-4.11.1-release/4.11
>>>> -tools/arm-rtems4.11/bin/ld
>>>> checking if the linker (/opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld)
>>>> is GNU ld... (cached) yes
>>>> checking for ld used by GCC... /opt/rtems-4.11.1-release/4.11
>>>> -tools/arm-rtems4.11/bin/ld
>>>> checking if the linker (/opt/rtems-4.11.1-release/4.11-tools/arm-rtems4.11/bin/ld)
>>>> is GNU ld... yes
>>>> checking for shared library run path origin... done
>>>> checking for iconv... yes
>>>> checking for working iconv... guessing yes
>>>> checking for iconv declaration...
>>>>          extern size_t iconv (iconv_t cd, char * *inbuf, size_t
>>>> *inbytesleft, char * *outbuf, size_t *outbytesleft);
>>>> checking sys/filio.h usability... yes
>>>> checking sys/filio.h presence... no
>>>> configure: WARNING: sys/filio.h: accepted by the compiler, rejected by
>>>> the preprocessor!
>>>> configure: WARNING: sys/filio.h: proceeding with the compiler's result
>>>> checking for sys/filio.h... yes
>>>> checking sys/sockio.h usability... yes
>>>> checking sys/sockio.h presence... no
>>>> configure: WARNING: sys/sockio.h: accepted by the compiler, rejected by
>>>> the preprocessor!
>>>> configure: WARNING: sys/sockio.h: proceeding with the compiler's result
>>>> checking for sys/sockio.h... yes
>>>> checking netdb.h usability... no
>>>> checking netdb.h presence... no
>>>> checking for netdb.h... no
>>>> checking utime.h usability... yes
>>>> checking utime.h presence... yes
>>>> checking for utime.h... yes
>>>> checking sys/utime.h usability... yes
>>>> checking sys/utime.h presence... yes
>>>> checking for sys/utime.h... yes
>>>> checking semaphore.h usability... yes
>>>> checking semaphore.h presence... yes
>>>> checking for semaphore.h... yes
>>>> checking sys/un.h usability... no
>>>> checking sys/un.h presence... no
>>>> checking for sys/un.h... no
>>>> checking linux/rtc.h usability... no
>>>> checking linux/rtc.h presence... no
>>>> checking for linux/rtc.h... no
>>>> checking sys/syscall.h usability... no
>>>> checking sys/syscall.h presence... no
>>>> checking for sys/syscall.h... no
>>>> checking sys/mkdev.h usability... no
>>>> checking sys/mkdev.h presence... no
>>>> checking for sys/mkdev.h... no
>>>> checking sys/uio.h usability... yes
>>>> checking sys/uio.h presence... no
>>>> configure: WARNING: sys/uio.h: accepted by the compiler, rejected by
>>>> the preprocessor!
>>>> configure: WARNING: sys/uio.h: proceeding with the compiler's result
>>>> checking for sys/uio.h... yes
>>>> checking sys/param.h usability... yes
>>>> checking sys/param.h presence... yes
>>>> checking for sys/param.h... yes
>>>> checking sys/sysctl.h usability... no
>>>> checking sys/sysctl.h presence... no
>>>> checking for sys/sysctl.h... no
>>>> checking libproc.h usability... no
>>>> checking libproc.h presence... no
>>>> checking for libproc.h... no
>>>> checking sys/prctl.h usability... no
>>>> checking sys/prctl.h presence... no
>>>> checking for sys/prctl.h... no
>>>> checking for sys/param.h... (cached) yes
>>>> checking sys/socket.h usability... no
>>>> checking sys/socket.h presence... no
>>>> checking for sys/socket.h... no
>>>> checking sys/ipc.h usability... no
>>>> checking sys/ipc.h presence... no
>>>> checking for sys/ipc.h... no
>>>> checking sys/utsname.h usability... yes
>>>> checking sys/utsname.h presence... no
>>>> configure: WARNING: sys/utsname.h: accepted by the compiler, rejected
>>>> by the preprocessor!
>>>> configure: WARNING: sys/utsname.h: proceeding with the compiler's result
>>>> checking for sys/utsname.h... yes
>>>> checking alloca.h usability... yes
>>>> checking alloca.h presence... yes
>>>> checking for alloca.h... yes
>>>> checking ucontext.h usability... no
>>>> checking ucontext.h presence... no
>>>> checking for ucontext.h... no
>>>> checking pwd.h usability... yes
>>>> checking pwd.h presence... yes
>>>> checking for pwd.h... yes
>>>> checking sys/select.h usability... no
>>>> checking sys/select.h presence... no
>>>> checking for sys/select.h... no
>>>> checking netinet/tcp.h usability... no
>>>> checking netinet/tcp.h presence... no
>>>> checking for netinet/tcp.h... no
>>>> checking netinet/in.h usability... no
>>>> checking netinet/in.h presence... no
>>>> checking for netinet/in.h... no
>>>> checking for unistd.h... (cached) yes
>>>> checking for sys/types.h... (cached) yes
>>>> checking link.h usability... yes
>>>> checking link.h presence... no
>>>> configure: WARNING: link.h: accepted by the compiler, rejected by the
>>>> preprocessor!
>>>> configure: WARNING: link.h: proceeding with the compiler's result
>>>> checking for link.h... yes
>>>> checking asm/sigcontext.h usability... no
>>>> checking asm/sigcontext.h presence... no
>>>> checking for asm/sigcontext.h... no
>>>> checking sys/inotify.h usability... no
>>>> checking sys/inotify.h presence... no
>>>> checking for sys/inotify.h... no
>>>> checking arpa/inet.h usability... no
>>>> checking arpa/inet.h presence... no
>>>> checking for arpa/inet.h... no
>>>> checking complex.h usability... yes
>>>> checking complex.h presence... yes
>>>> checking for complex.h... yes
>>>> checking unwind.h usability... yes
>>>> checking unwind.h presence... yes
>>>> checking for unwind.h... yes
>>>> checking for linux/netlink.h... no
>>>> checking for linux/rtnetlink.h... no
>>>> checking for sys/user.h... no
>>>> checking linux/serial.h usability... no
>>>> checking linux/serial.h presence... no
>>>> checking for linux/serial.h... no
>>>> checking zlib.h usability... yes
>>>> checking zlib.h presence... no
>>>> configure: WARNING: zlib.h: accepted by the compiler, rejected by the
>>>> preprocessor!
>>>> configure: WARNING: zlib.h: proceeding with the compiler's result
>>>> checking for zlib.h... yes
>>>> Using system zlib
>>>> checking elf.h usability... no
>>>> checking elf.h presence... no
>>>> checking for elf.h... no
>>>> checking poll.h usability... no
>>>> checking poll.h presence... no
>>>> checking for poll.h... no
>>>> checking sys/poll.h usability... yes
>>>> checking sys/poll.h presence... no
>>>> configure: WARNING: sys/poll.h: accepted by the compiler, rejected by
>>>> the preprocessor!
>>>> configure: WARNING: sys/poll.h: proceeding with the compiler's result
>>>> checking for sys/poll.h... yes
>>>> checking sys/wait.h usability... yes
>>>> checking sys/wait.h presence... yes
>>>> checking for sys/wait.h... yes
>>>> checking grp.h usability... yes
>>>> checking grp.h presence... yes
>>>> checking for grp.h... yes
>>>> checking syslog.h usability... no
>>>> checking syslog.h presence... no
>>>> checking for syslog.h... no
>>>> checking wchar.h usability... yes
>>>> checking wchar.h presence... yes
>>>> checking for wchar.h... yes
>>>> checking ieeefp.h usability... yes
>>>> checking ieeefp.h presence... yes
>>>> checking for ieeefp.h... yes
>>>> checking for isinf... yes
>>>> checking for _finite... no
>>>> checking for _finite in math.h... no
>>>> checking linux/magic.h usability... no
>>>> checking linux/magic.h presence... no
>>>> checking for linux/magic.h... no
>>>> checking size of void *... 4
>>>> checking for clang... no
>>>> checking for -Wno-unused-but-set-variable option to gcc... yes
>>>> checking whether NLS is requested... profile_default
>>>> checking for msgfmt... /usr/bin/msgfmt
>>>> checking for gmsgfmt... /usr/bin/msgfmt
>>>> checking for xgettext... /usr/bin/xgettext
>>>> checking for msgmerge... /usr/bin/msgmerge
>>>> checking for pkg-config... /usr/bin/pkg-config
>>>> checking for -mno-tls-direct-seg-refs option to gcc... no
>>>> yes
>>>> checking for visibility __attribute__... yes
>>>> checking whether /opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>> supports zero length arrays... yes
>>>> checking nacl/nacl_dyncode.h usability... no
>>>> checking nacl/nacl_dyncode.h presence... no
>>>> checking for nacl/nacl_dyncode.h... no
>>>> checking signal.h usability... yes
>>>> checking signal.h presence... yes
>>>> checking for signal.h... yes
>>>> checking for sigaction... yes
>>>> checking for kill... yes
>>>> checking for signal... yes
>>>> checking for library containing clock_gettime... none required
>>>> checking for clock_nanosleep... no
>>>> checking for dlopen... yes
>>>> checking for preceeding underscore in symbols... (cached) no
>>>> checking for dlerror... yes
>>>> checking execinfo.h usability... no
>>>> checking execinfo.h presence... no
>>>> checking for execinfo.h... no
>>>> checking sys/auxv.h usability... no
>>>> checking sys/auxv.h presence... no
>>>> checking for sys/auxv.h... no
>>>> checking sys/resource.h usability... yes
>>>> checking sys/resource.h presence... yes
>>>> checking for sys/resource.h... yes
>>>> checking for getgrgid_r... yes
>>>> checking for getgrnam_r... yes
>>>> checking for getpwnam_r... yes
>>>> checking for getpwuid_r... yes
>>>> checking for getresuid... no
>>>> checking for setresuid... no
>>>> checking for kqueue... no
>>>> checking for backtrace_symbols... no
>>>> checking for mkstemp... yes
>>>> checking for mmap... yes
>>>> checking for madvise... no
>>>> checking for getrusage... yes
>>>> checking for getpriority... no
>>>> checking for setpriority... no
>>>> checking for dl_iterate_phdr... no
>>>> checking for dladdr... no
>>>> checking for sysconf... yes
>>>> checking for getrlimit... no
>>>> checking for prctl... no
>>>> checking for sched_getaffinity... no
>>>> checking for sched_setaffinity... no
>>>> checking for sched_getcpu... no
>>>> checking for sched_setaffinity from glibc < 2.3.4... yes
>>>> checking if off_t is 64 bits wide... ok
>>>> checking for socket in -lsocket... no
>>>> checking for MSG_NOSIGNAL... no
>>>> checking for IPPROTO_IP... no
>>>> checking for IPPROTO_IPV6... no
>>>> checking for IPPROTO_TCP... no
>>>> checking for SOL_IP... no
>>>> checking for SOL_IPV6... no
>>>> checking for SOL_TCP... no
>>>> checking for IP_PKTINFO... no
>>>> checking for IPV6_PKTINFO... no
>>>> checking for IP_DONTFRAG... no
>>>> checking for IP_DONTFRAGMENT... no
>>>> checking for IP_MTU_DISCOVER... no
>>>> checking for IP_PMTUDISC_DO... no
>>>> checking for struct ip_mreqn... no
>>>> checking for struct ip_mreq... no
>>>> checking for getaddrinfo... no
>>>> checking for gethostbyname2_r... no
>>>> checking for gethostbyname2... no
>>>> checking for gethostbyname... no
>>>> checking for getprotobyname... no
>>>> checking for getnameinfo... no
>>>> checking for inet_ntop... no
>>>> checking for gethostbyaddr... no
>>>> checking for gethostbyaddr in -lnsl... no
>>>> checking for inet_pton... no
>>>> checking for inet_aton... no
>>>> checking for main in -lpthread... no
>>>> checking pthread.h usability... yes
>>>> checking pthread.h presence... yes
>>>> checking for pthread.h... yes
>>>> checking pthread_np.h usability... no
>>>> checking pthread_np.h presence... no
>>>> checking for pthread_np.h... no
>>>> checking for pthread_mutex_timedlock... yes
>>>> checking for pthread_getattr_np... yes
>>>> checking for pthread_attr_get_np... no
>>>> checking for pthread_setname_np... no
>>>> checking for pthread_kill... yes
>>>> checking for PTHREAD_MUTEX_RECURSIVE... ok
>>>> checking for pthread_attr_setstacksize... yes
>>>> checking for pthread_attr_getstack... yes
>>>> checking for pthread_attr_getstacksize... yes
>>>> checking for pthread_get_stacksize_np... no
>>>> checking for pthread_get_stackaddr_np... no
>>>> checking for mincore... no
>>>> checking for working __thread... cross compiling
>>>> checking for working sigaltstack... cross compiling
>>>> checking for library containing sem_init... none required
>>>> checking for library containing shm_open... no
>>>> checking for shm_open... no
>>>> checking for tm_gmtoff in struct tm... no
>>>> checking for timezone variable... no
>>>> configure: error: unable to find a way to determine timezone
>>>> ===============================================
>>>> I googled the time zone variable, and still working on it.
>>>>
>>>> But actually, I want to know whether I am doing it the right way? I
>>>> mean, is this a right way to port Mono to RTEMS, just modifying some
>>>> configuration options? I am still confusing about it.
>>>>
>>>> ------------------------------
>>>> Best wishes,
>>>> xuelin.tian at qkmtech.com
>>>>
>>>>
>>>> *From:* Russell Haley <russ.haley at gmail.com>
>>>> *Date:* 2017-07-21 10:42
>>>> *To:* xuelin.tian at qkmtech.com
>>>> *CC:* Joel Sherrill <joel at rtems.org>; users at rtems.org
>>>> *Subject:* Re: Re: Has anyone tried to port Mono to RTEMS
>>>>
>>>> On Thu, Jul 20, 2017 at 7:07 PM, xuelin.tian at qkmtech.com <
>>>> xuelin.tian at qkmtech.com> wrote:
>>>>
>>>>> I just followed the instructions from Mono, and did some changes
>>>>> obviously.
>>>>> I did not use ScratchBox to cross-compile my Mono on ARM, just use
>>>>> arm-rtems4.11-gcc to cross-compile it. Is that right?
>>>>> Do I need to modify the source code from Mono to port to RTEMS?
>>>>>
>>>> Some context you really should provide:
>>>> - What platform are you building on?
>>>> - Where did you get the source files? (if git, are you building head? I
>>>> have had many problems building mono from head)
>>>> - Without posting your complete build output there is no way to tell
>>>> what is happening.
>>>>
>>>> This is just a shot in the dark, but did you google Time Zone variable?
>>>> Google says you need to set a TZ environment variable.
>>>>
>>>> Russ
>>>>
>>>>> ------------------------------
>>>>> Best wishes,
>>>>> xuelin.tian at qkmtech.com
>>>>>
>>>>>
>>>>> *From:* Russell Haley <russ.haley at gmail.com>
>>>>> *Date:* 2017-07-21 00:16
>>>>> *To:* xuelin.tian <xuelin.tian at qkmtech.com>; Joel Sherrill
>>>>> <joel at rtems.org>
>>>>> *CC:* users <users at rtems.org>
>>>>> *Subject:* Re: Has anyone tried to port Mono to RTEMS
>>>>> Did you get it to build natively?‎ What is your host. Build output
>>>>> would be helpful.
>>>>>
>>>>> Russ
>>>>>
>>>>> Sent from my BlackBerry 10 smartphone on the Virgin Mobile network.
>>>>> *From: *xuelin.tian at qkmtech.com
>>>>> *Sent: *Thursday, July 20, 2017 5:53 AM
>>>>> *To: *Russell Haley; Joel Sherrill
>>>>> *Cc: *users at rtems.org
>>>>> *Subject: *Re: Re: Has anyone tried to port Mono to RTEMS
>>>>>
>>>>> I have been struck by it for like 2 days.
>>>>> I want to cross-compile Mono for a test, and I enter:
>>>>>
>>>>> *./autogen.sh --prefix=/opt/Mono/mono-4.8.1.0/mono-arm
>>>>> --target=arm-rtems4.11 --host=x86_64-unknown-linux
>>>>> CC=/opt/rtems-4.11.1-release/4.11-tools/bin/arm-rtems4.11-gcc
>>>>> CFLAGS="-qrtems -B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/lib
>>>>> -B/opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/xilinx_zynq_zedboard/lib/
>>>>> -I//opt/rtems-4.11.1-release/4.11-bsp/arm-rtems4.11/xilinx_zynq_zedboard/lib/include
>>>>> --specs bsp_specs -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard
>>>>> -mtune=cortex-a9"*
>>>>>
>>>>> It goes well at first, then the error came up:
>>>>>
>>>>> *checking for timezone variable... noconfigure: error: unable to find
>>>>> a way to determine timezone*
>>>>>
>>>>> I can not really understand the content from config.log
>>>>>
>>>>> Can anyone help me with this? Thanks a lot
>>>>>
>>>>> ------------------------------
>>>>> Best wishes,
>>>>> xuelin.tian at qkmtech.com
>>>>>
>>>>>
>>>>> *From:* Russell Haley <russ.haley at gmail.com>
>>>>> *Date:* 2017-07-14 12:44
>>>>> *To:* xuelin.tian <xuelin.tian at qkmtech.com>; Joel Sherrill
>>>>> <joel at rtems.org>
>>>>> *CC:* users <users at rtems.org>
>>>>> *Subject:* Re: Has anyone tried to port Mono to RTEMS
>>>>> Thinking about it, Lua is designed to be statically linked into C
>>>>> applications and your scripts are loaded and executed by your application
>>>>> at runtime. This is how lua is plugged into many video games like world or
>>>>> warcraft and roblox.
>>>>>
>>>>> From my simplistic understanding of rtems (and everything I just
>>>>> said), that would be the way you would statically link lua into rtems?
>>>>>
>>>>> Russ
>>>>>
>>>>> Sent from my BlackBerry 10 smartphone on the Virgin Mobile network.
>>>>> *From: *xuelin.tian at qkmtech.com
>>>>> *Sent: *Thursday, July 13, 2017 9:03 PM
>>>>> *To: *Russell Haley; Joel Sherrill
>>>>> *Cc: *users at rtems.org
>>>>> *Subject: *Re: Re: Has anyone tried to port Mono to RTEMS
>>>>>
>>>>> OK, thanks a lot.
>>>>> I will go through Lua today, to see if there is something interesting
>>>>> there.
>>>>>
>>>>> ------------------------------
>>>>> Best wishes,
>>>>> xuelin.tian at qkmtech.com
>>>>>
>>>>>
>>>>> *From:* Russell Haley <russ.haley at gmail.com>
>>>>> *Date:* 2017-07-14 11:57
>>>>> *To:* xuelin.tian <xuelin.tian at qkmtech.com>; Joel Sherrill
>>>>> <joel at rtems.org>
>>>>> *CC:* users <users at rtems.org>
>>>>> *Subject:* Re: Has anyone tried to port Mono to RTEMS
>>>>> Just my opinion on the 'or other vm' comment.
>>>>>
>>>>> If your requirement is not strictly mono, I highly suggest something
>>>>> small and simple like Lua. It's a a very efficient vm and is cross
>>>>> compatible with all major platforms. The only requirement for Lua is c99.
>>>>>
>>>>> The language is very simple and bare bones. You pick your tools from
>>>>> git or a repository manager called luarocks (luarocks.org). That's
>>>>> where the 'hard part' of Lua comes in. It's very hands on because you need
>>>>> to find or write almost everything you need.
>>>>>
>>>>> I am putting together a 'lightweight' IoT platform using Lua 5.3 and a
>>>>> very sophisticated polling library called cqueues. There is an http library
>>>>> called lua-http based on cqueues that contains a client and server
>>>>> implementation of most major http standards including http2 and websockets.
>>>>> The requirements for cqueues are a polling library such as epoll or kqueues
>>>>> (or even poll or select). I'm not sure how well that would plug into rtems.
>>>>> ‎At this point I'm cross compatible for most major Nixs' though.
>>>>>
>>>>> Nonetheless, the overhead of mono is not really worth it if you are
>>>>> doing simple things. ‎That's why I switched away from DotNet for my
>>>>> project. If you have code to port, or have DotNet developers, mono makes
>>>>> sense.
>>>>>
>>>>> ‎Just my opinion.
>>>>>
>>>>> HTH
>>>>> Russ
>>>>>
>>>>> Sent from my BlackBerry 10 smartphone on the Virgin Mobile network.
>>>>> *From: *xuelin.tian at qkmtech.com
>>>>> *Sent: *Thursday, July 13, 2017 8:38 PM
>>>>> *To: *Joel Sherrill; Russell Haley
>>>>> *Cc: *users at rtems.org
>>>>> *Subject: *Re: Re: Has anyone tried to port Mono to RTEMS
>>>>>
>>>>> Yes, I am trying to build it from source according to Russell.
>>>>>
>>>>> As to .net core, I may not have a deep understanding of it. I think
>>>>> for now, Mono may be the best choice for me, since I need to make it
>>>>> (porting Mono or other VM to rtems) work in a few days.
>>>>>
>>>>> ------------------------------
>>>>> Best wishes,
>>>>> xuelin.tian at qkmtech.com
>>>>>
>>>>>
>>>>> *From:* Joel Sherrill <joel at rtems.org>
>>>>> *Date:* 2017-07-13 01:08
>>>>> *To:* Russell Haley <russ.haley at gmail.com>
>>>>> *CC:* xuelin.tian at qkmtech.com; users at rtems.org
>>>>> *Subject:* Re: Re: Has anyone tried to port Mono to RTEMS
>>>>> The reply from Russell is very good advice. Look forward when porting
>>>>> and
>>>>> make sure you are porting something with a future.
>>>>>
>>>>> For Mono, I did exactly what he outlined. I built native. I recall it
>>>>> using a
>>>>> fairly normal configure script and I just added --target=XXX-rtems. I
>>>>> might
>>>>> have added some CFLAGS but don't recall.
>>>>>
>>>>> I focused on the run-time interpreter and ignored the JIT. The run-time
>>>>> translated Mono calls into C library and POSIX calls. If there was a
>>>>> compilation issue, I tried to fix it where ever it had to be fixed.
>>>>> Always being
>>>>> open to adding something to either RTEMS or newlib if possible
>>>>> and needed.
>>>>>
>>>>> --joel
>>>>>
>>>>> On Wed, Jul 12, 2017 at 11:03 AM, Russell Haley <russ.haley at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> On Tue, Jul 11, 2017 at 9:31 PM, xuelin.tian at qkmtech.com
>>>>>> <xuelin.tian at qkmtech.com> wrote:
>>>>>> > Dear Joel,
>>>>>> > Recently, I continue to port Mono to RTEMS.
>>>>>> > Porting consists of two parts, according to the Mono documents
>>>>>> online, JIT
>>>>>> > engine and OS support.
>>>>>> > JIT part is already done, since I use ARM platform.
>>>>>> > And I am confuesd about OS part and how to build Mono on RTEMS.
>>>>>> > Could you recall any details about how to build Mono on RTEMS?
>>>>>> Thank you.
>>>>>>
>>>>>> I'm not sure that's quite right. There are really 3 parts: The
>>>>>> application framework, the 'JIT' (Mono Runtime, or Common Language
>>>>>> Runtime in Microsoft .Net) and the OS specific layer. The application
>>>>>> framework and the JIT are common to all platforms. The OS specific
>>>>>> parts are in the Mono Runtime where it translates the Interediate
>>>>>> Language (IL) to machine specific code at ... er ... runtime. The Mono
>>>>>> Runtime is being slowly replaced by the Roslyn compiler, which is open
>>>>>> source from Microsoft (very very cool stuff).
>>>>>>
>>>>>> Building Mono requires a number of parts, including boot strapping the
>>>>>> build and downloading binaries from nuget (last time I did it,
>>>>>> anyway). I've never attempted to cross compile Mono. I would assume
>>>>>> you would change the make file to point to a cross compiler such as
>>>>>> arm-unknown-gcc (not sure about the RTEMS specifics).
>>>>>>
>>>>>> In my opinion the best bet is to pull the mono repository from GitHub
>>>>>> and build it for your host platform first. Then you could look at
>>>>>> modifying it to build on arm.
>>>>>>
>>>>>> That said, Mono is a dead/dying platform. Microsoft has bought
>>>>>> Xamarian (Mono sponsor company). Now the Mono Dev Team is slowly
>>>>>> porting everything over to the Microsoft .Net Core code. Once the
>>>>>> majority of libraries are converted, they can then write Mono specific
>>>>>> modules for legacy applications and then shuffle everyone over to
>>>>>> DotNet Core. It might be wise to look at using the DotNet Core instead
>>>>>> of Mono. There are a number of reasons to prefer the DotNet Core:
>>>>>>
>>>>>> - Designed to be small and use a package manager to import required
>>>>>> external libraries. This was done with embedded systems in mind.
>>>>>> - Better interpreter: the new interpreters (Rosylin and the other that
>>>>>> I don't remember the name of) are very efficient compared to the Mono
>>>>>> mc.
>>>>>> - More efficient runtime. The Mono Runtime is known to be slow.
>>>>>>
>>>>>> Here would be a good place to start with the DotNet Core as they have
>>>>>> nightly arm builds.
>>>>>>
>>>>>> https://stevedesmond.ca/blog/net-core-on-arm
>>>>>>
>>>>>>
>>>>>> HTH,
>>>>>>
>>>>>> Russ
>>>>>>
>>>>>> > ________________________________
>>>>>> > Best wishes,
>>>>>> > xuelin.tian at qkmtech.com
>>>>>> >
>>>>>> >
>>>>>> > From: Joel Sherrill
>>>>>> > Date: 2017-05-24 20:19
>>>>>> > To: xuelin.tian
>>>>>> > CC: rtems-users at rtems.org
>>>>>> > Subject: Re: Has anyone tried to port Mono to RTEMS
>>>>>> >
>>>>>> >
>>>>>> > On May 23, 2017 8:58 PM, "xuelin.tian at qkmtech.com" <
>>>>>> xuelin.tian at qkmtech.com>
>>>>>> > wrote:
>>>>>> >
>>>>>> > Dear all,
>>>>>> > Is that possible to port Mono to RTEMS? Has anyone tried this
>>>>>> before?
>>>>>> > As I notice that there is an open project in RTEMS projects.
>>>>>> >
>>>>>> >
>>>>>> > Sometime ago, I was asked to provide an estimate for this. It had
>>>>>> to be
>>>>>> > between five and ten years ago because we were at the old office
>>>>>> but after
>>>>>> > we had done a few years of GSoC. I did enough work preparing the
>>>>>> estimate
>>>>>> > where I had the code building without too much effort. I saw the
>>>>>> challenge
>>>>>> > as getting the test suite running since you would have to create a
>>>>>> test
>>>>>> > harness and build/assembly helper that packaged the interpreted
>>>>>> code with
>>>>>> > the interpreter in order to run it. At that time, I envisioned
>>>>>> having to
>>>>>> > create a base image and a filesystem image per test.
>>>>>> >
>>>>>> > Our POSIX was good enough then to avoid much trouble. It should
>>>>>> only be
>>>>>> > easier now since the POSIX support has improved.
>>>>>> >
>>>>>> > There were a lot of Mono tests and I expected most to pass quickly.
>>>>>> But
>>>>>> > there was no way to know how many issues would be encountered and
>>>>>> how many
>>>>>> > root causes there would be. I expected to fix one or two things and
>>>>>> then run
>>>>>> > all the tests. That was where I expected time to be consumed.
>>>>>> >
>>>>>> > FWIW I recall the GSoC date part because they thought we could
>>>>>> magically get
>>>>>> > students to do testing for free on a schedule. :)
>>>>>> >
>>>>>> > I hope that helps. It is feasible but the key is testing.
>>>>>> >
>>>>>> > --joel
>>>>>> >
>>>>>> >
>>>>>> > ________________________________
>>>>>> > Best wishes,
>>>>>> > xuelin.tian at qkmtech.com
>>>>>> >
>>>>>> > _______________________________________________
>>>>>> > users mailing list
>>>>>> > users at rtems.org
>>>>>> > http://lists.rtems.org/mailman/listinfo/users
>>>>>> >
>>>>>> >
>>>>>> >
>>>>>> > _______________________________________________
>>>>>> > users mailing list
>>>>>> > users at rtems.org
>>>>>> > http://lists.rtems.org/mailman/listinfo/users
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
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>>>> 重试 朗读 复制 复制 朗读 复制 via 译
>>>
>>>
>>>
>
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