[ECOS] Re: Wrongfully compiled code

[ariga masahiro]

Hello every one,

Thank you,Dave, very much for your reply.

I will study a little and endeavor to re-install.
But I must find time between other jobs,
so it will take a little time.
I will report to you result after that.

Masahiro Ariga

> ariga masahiro wrote:
>> Hello,
>>
>> Thank you very much for your confirmation.
>> I am much relieved to have found the cause of trouble.
>>
>> But I do not know how to re-install sh-elf-gcc on Cygwin.
>> Could you please teach me how to do it ?
>>
>> Masahiro Ariga
> I found no pre-built version of GCC for this target available for 
> download.
> It's 18 months since I built it, and I've only ever built GCC once, so
> I'm just
> going off the top of my head, but I did save a python script which goes
> through
> the steps of building binutils and GCC.  I've also generated a patch for
> the configure
> hack there are two versions attached, "configure.patch" was created
> using SVN
> (from the root of that tag) "patch" was created using diff.
>
> You will need the cygwin build of Python installed via the standard
> cygwin installer program from
> cygwin.com
>
> The GCC release can be obtained from SVN
> svn co svn://gcc.gnu.org/svn/gcc/tags/gcc_4_1_1_release gcc_4_1_1
> If you don't have SVN search their website for a tarball.
> Obtain the aforementioned versions of newlib and binutils (you'll have
> to search for these
> the gcc website and/or google will get you there pretty quickly) and
> unpack them such
> that you have the following directory layout
>
> ./gcc_4_1_1
> ./gcc_4_1_1/newlib
> ./binutils-2.16
> ./buildall.py
> ./patch
> ./configure.patch
>
> Either apply configure.patch using SVN (and I have no idea how to do
> that from the
> command line version) or apply "patch" using :
> patch gcc_4_1_1/libstdc++-v3/configure -ipatch
>
> Let's assume you want to install to /opt/ecos/gcc411:
> run the attached script as
> python buildall.py /opt/ecos/gcc411
> *
> *see also
> http://gcc.gnu.org/install/
>
> Good luck!*
> *
>>>
>>>> sh-elf/sh-elf/include
>>>> Thread model: single
>>>> gcc version 3.2.1
>>>
>>> We found a bug in this version (probably the same one).  I managed to
>>> compile GCC 4.1.1 using the following sources
>>>
>>> binutils 2.16
>>> Newlib 1.14.0 (copy this to inside the GCC source directory)
>>> Gcc 4.1.1
>>>
>>> I had to make one hack to the configure file.  It fails on a test,
>>> but you can proceed without it, you'll just have to inspect the file
>>> when the problem occurs and comment out that test.  I can't remember
>>> any more details than that sorry.
>>>
>>> binutils is compiled separately.  Newlib is not strictly needed by
>>> ecos but I found GCC wouldn't compile without it (use the
>>> --with-newlib option in the configure).
>>>
>>> btw the compile time is measured in hours (about 4.5 on the PC I used)
>>>
>>>
>>> -- 
>>> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
>>> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>>>
>>>
>>
>
>


--------------------------------------------------------------------------------


> Index: libstdc++-v3/configure
> ===================================================================
> --- libstdc++-v3/configure (revision 114326)
> +++ libstdc++-v3/configure (working copy)
> @@ -4576,6 +4576,8 @@
> ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS 
> conftest.$ac_ext $LIBS >&5'
> ac_compiler_gnu=$ac_cv_c_compiler_gnu
>
> +gcc_no_link=yes
> +
>      if test x$gcc_no_link = xyes; then
>   { { echo "$as_me:$LINENO: error: Link tests are not allowed after 
> GCC_NO_EXECUTABLES." >&5
> echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." 
>  >&2;}
> @@ -87646,6 +87648,8 @@
>   fi
> fi
>
> +gcc_no_link=no
> +
> # Check to see if 'gnu' can win.
> if test $enable_symvers = gnu; then
>   # Check to see if libgcc_s exists, indicating that shared libgcc is 
> possible.
> @@ -87700,6 +87704,7 @@
>   echo "$as_me: failed program was:" >&5
> sed 's/^/| /' conftest.$ac_ext >&5
>
> +gcc_no_link=no
> glibcxx_shared_libgcc=no
> fi
> rm -f conftest.err conftest.$ac_objext \
> @@ -88575,6 +88580,8 @@
> echo "${ECHO_T}$glibcxx_cv_func_setenv_use" >&6
>   if test x$glibcxx_cv_func_setenv_use = x"yes"; then
>
> +gcc_no_link=no
> +
> for ac_func in setenv
> do
> as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
>


--------------------------------------------------------------------------------


> #!/usr/bin/python
>
> import os
> import sys
>
> def do(cmd):
> err = os.system(cmd)
> if (err != 0):
> sys.exit(err)
>
> if sys.platform != "cygwin":
> print "This script is for a cygwin build environment"
> sys.exit(-1)
>
> try:
> outdir = sys.argv[1]
> except:
> print "Please specify output directory for built toolchain"
> sys.exit(-1)
>
> startdir = os.getcwd()
>
> if True:
> do("mkdir -p /tmp/build/binutils")
> os.chdir("/tmp/build/binutils")
> do("%s/binutils-2.16/configure --target=sh-elf --prefix=%s -v 2>&1 | tee 
> binconfig.out" % (startdir, outdir))
> do("make -w all install 2>&1 | tee binmake.out")
>
> #sys.exit(0)
>
> savepath = os.environ["PATH"]
> os.environ["PATH"] = "%s/bin:%s" %(outdir, savepath)
> do("mkdir -p /tmp/build/gcc")
> os.chdir("/tmp/build/gcc")
> do("%s/gcc_4_1_1/configure --target=sh-elf --prefix=%s --enable-languages=c,c++ 
>  --with-gnu-as --with-gnu-ld --with-newlib --with-gxx-include-dir=%s/sh-elf/include 
>  --with-ecos -v 2>&1 | tee configgcc.txt " %(startdir, outdir, outdir))
> do("make -w all install 2>&1 | tee makegcc.txt")
>
>
>


--------------------------------------------------------------------------------


> 4578a4579,4580
>> gcc_no_link=yes
>>
> 87648a87651,87652
>> gcc_no_link=no
>>
> 87702a87707
>> gcc_no_link=no
> 88577a88583,88584
>> gcc_no_link=no
>>
>
>


--------------------------------------------------------------------------------


> -- 
> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss 


-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss