Re: Solaris 10: wchar_iso.h vs cwchar

[Jonathan Wakely <jwakely dot gcc at gmail dot com>]

2011/9/3 Maciej Bliziński <maciej@opencsw.org>:
> 2011/9/2 Marc Glisse <marc.glisse@inria.fr>:
>> On Fri, 2 Sep 2011, Maciej Bliziński wrote:
>>
>>> Here's the output:
>>> http://netra.chopin.edu.pl/~maciej/limits.log
>>
>> That doesn't match the error in PPL. The only difference I can see is
>> -I/opt/csw/include on the command line. Can you try again with it? (and
>> maybe also -dD)
>>
>>> To get it to build, I need to specify a couple more:
>>>
>>> ${src}/configure \
>>> ?--prefix=/opt/gcctest \
>>> ?--enable-bootstrap \
>>
>> That one is the default.
>
> OK, removed.
>
>>> ?--enable-stage1-languages=c \
>>
>> Is that necessary?
>
> Not sure, tested by removing.
>
>>> ?--enable-languages=c,c++ \
>>> ?--with-gnu-as \
>>> ?--with-as=/opt/csw/bin/gas \
>>> ?--without-gnu-ld \
>>> ?--with-ld=/usr/ccs/bin/ld \
>>> ?--with-mpfr=/opt/csw \
>>> ?--with-gmp=/opt/csw \
>>> ?--with-mpc=/opt/csw \
>>> ?--with-libiconv-prefix=/opt/csw
>>
>> Those are fine.
>
> Cool. ?I started the build and got this error in
> gcc-objdir/sparc-sun-solaris2.10/libgcc/config.log:
>
> configure:3246: checking for suffix of object files
> configure:3268: /home/maciej/src/gcc-objdir/./gcc/xgcc
> -B/home/maciej/src/gcc-objdir/./gcc/
> -B/opt/gcctest/sparc-sun-solaris2.10/bin/ -B/opt/gc
> isystem /opt/gcctest/sparc-sun-solaris2.10/include -isystem
> /opt/gcctest/sparc-sun-solaris2.10/sys-include ? ?-c -g -O2
> conftest.c >&5
> ld.so.1: cc1: fatal: libmpc.so.2: open failed: No such file or directory
> xgcc: internal compiler error: Killed (program cc1)
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <http://gcc.gnu.org/bugs.html> for instructions.
> configure:3272: $? = 4
>
> Examining the cc1 binary:
>
> maciej@netra ~/src $ /usr/ccs/bin/dump -Lv /home/maciej/src/gcc-objdir/./gcc/cc1
>
> /home/maciej/src/gcc-objdir/./gcc/cc1:
>
> ?**** DYNAMIC SECTION INFORMATION ****
> .dynamic:
> [INDEX] Tag ? ? ? ? Value
> [1] ? ? NEEDED ? ? ? ? ?libmpc.so.2
> [2] ? ? NEEDED ? ? ? ? ?libmpfr.so.4
> [3] ? ? NEEDED ? ? ? ? ?libgmp.so.10
> [4] ? ? NEEDED ? ? ? ? ?libc.so.1
> [5] ? ? INIT ? ? ? ? ? ?0x61f474
> [6] ? ? FINI ? ? ? ? ? ?0x61f490
> [7] ? ? HASH ? ? ? ? ? ?0x100e8
> [8] ? ? STRTAB ? ? ? ? ?0x3be5c
> [9] ? ? STRSZ ? ? ? ? ? 0x24442
> [10] ? ?SYMTAB ? ? ? ? ?0x1eabc
> [11] ? ?SYMENT ? ? ? ? ?0x10
> [12] ? ?CHECKSUM ? ? ? ?0xc01b
> [13] ? ?VERNEED ? ? ? ? 0x602a0
> [14] ? ?VERNEEDNUM ? ? ?0x1
> [15] ? ?PLTSZ ? ? ? ? ? 0xa14
> [16] ? ?PLTREL ? ? ? ? ?0x7
> [17] ? ?JMPREL ? ? ? ? ?0x60320
> [18] ? ?RELA ? ? ? ? ? ?0x602c0
> [19] ? ?RELASZ ? ? ? ? ?0xa74
> [20] ? ?RELAENT ? ? ? ? 0xc
> [21] ? ?DEBUG ? ? ? ? ? 0
> [22] ? ?FEATURE_1 ? ? ? PARINIT
> [23] ? ?FLAGS ? ? ? ? ? 0
> [24] ? ?FLAGS_1 ? ? ? ? 0
> [25] ? ?PLTGOT ? ? ? ? ?0x6e7fe4
>
> The binary seems to be missing the RPATH pointing at /opt/csw/lib.
>
> The full script that drives the build is:
>
>
> maciej@netra ~/src $ cat build_gcc.sh
> #!/opt/csw/bin/bash
>
> set -e
> set -u
> set -x
>
> # To help configure find gcc and ar
> export PATH=/opt/csw/gnu:$PATH
>
> src="../gcc-4.6.1"
> objdir="gcc-objdir"
>
> rm -rf "${objdir}"
> mkdir -p "${objdir}"
> pushd ${objdir}
>
> export CC=/opt/csw/gcc3/bin/gcc
>
> ${src}/configure \
> ?--prefix=/opt/gcctest \
> ?--enable-languages=c,c++ \
> ?--with-gnu-as \
> ?--with-as=/opt/csw/bin/gas \
> ?--without-gnu-ld \
> ?--with-ld=/usr/ccs/bin/ld \
> ?--with-mpfr=/opt/csw \
> ?--with-gmp=/opt/csw \
> ?--with-mpc=/opt/csw \
> ?--with-libiconv-prefix=/opt/csw
>
> gmake
>
> Any ideas why the RPATH might be missing?
>
> Maciej
>

This is a FAQ, read the docs. Your dynamic linker doesn't look in
/opt/csw and gcc does not use a rpath automatically. Building gcc is
not trivial, read the docs! Carefully!

It's much easier to build gmp, mpfr and mpc statically by putting them
in the gcc source tree.