[Bug c++/67067] "Trouble closing elf file" and "-static-libstdc++ not implemented"

["zclai at yahoo dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67067

--- Comment #4 from Alex Lai <zclai at yahoo dot com> ---
(In reply to Alex Lai from comment #1)
> on Solaris x86, I downloaded MPC, GMP and MPFR and extracted them into GCC
> source directory as mpc,gmp and mpfr directories and configure GCC source
> with:
> 
> $ ../gcc-5.2.0.src/configure --prefix=$HOME/gcc-5.2.0
> --enable-languages=c,c++
> $ gmake
> 
> I got the following error:
> 
> Assembler: optimize.c
>     "/var/tmp//ccMndPR3.s", line 85111 : Trouble closing elf file
> gmake[3]: *** [cp/optimize.o] Error 1
> 
> 
> The file mentioned in the error message doesn’t exist.
> 
> $ ls -l "/var/tmp//ccEtAJ5n.s"
> /var/tmp//ccEtAJ5n.s: No such file or directory
> 
> The file system has plenty of room:
> 
> $  df -h /var/tmp
> Filesystem             size   used  avail capacity  Mounted on
> /dev/dsk/c0t0d0s6       99G    27G    71G    28%    /var
> 
> $  uname -a
> SunOS sbdsvrwm566 5.10 Generic_150401-20 i86pc i386 i86pc
> 
> 
> the only error message in config.log is as follows:
> 
> configure:5091: g++ -o conftest -g -O2   -static-libstdc++ -static-libgcc
> conftest.cpp  >&5
> g++: unrecognized option `-static-libstdc++'
> conftest.cpp:11:2: #error -static-libstdc++ not implemented
> configure:5091: $? = 1
> configure: failed program was:
> | /* confdefs.h */
> | #define PACKAGE_NAME ""
> | #define PACKAGE_TARNAME ""
> | #define PACKAGE_VERSION ""
> | #define PACKAGE_STRING ""
> | #define PACKAGE_BUGREPORT ""
> | #define PACKAGE_URL ""
> | /* end confdefs.h.  */
> |
> | #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
> | #error -static-libstdc++ not implemented
> | #endif
> | int main() {}
> 
> 
> the lib exists and its path is included in lib search path:
> 
> $  ls -l /usr/local/lib/libstdc++.so
> lrwxrwxrwx   1 root     root          18 May 31  2012
> /usr/local/lib/libstdc++.so -> libstdc++.so.6.0.3
> $  echo $LD_LIBRARY_PATH
> /opt/SUNWspro11/SUNWspro/prod/lib:/usr/local/lib:/usr/lib:/usr/lib/X11
> 
> 
> the error apparently is due to the missing space between -static and
> -libstdc++. however,none of the mentioned confdefs.h conftest.cpp exist
> either under the source or build directory or installed packages.
> 
> obviously the older gcc was used to compile the new gcc:
> 
> configure:4074: checking for gcc
> configure:4090: found /usr/sfw/bin/gcc
> configure:4101: result: gcc
> configure:4330: checking for C compiler version
> configure:4339: gcc --version >&5
> gcc (GCC) 3.4.3 (csl-sol210-3_4-branch+sol_rpath)
> Copyright (C) 2004 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> 
> $  echo $PATH
> /usr/ccs/bin:/usr/bin:/usr/sfw/bin:/usr/sbin:/usr/local/bin:/opt/SUNWspro/
> bin:/bin:/usr/bin:/usr/sbin:/usr/ucb:/bns/bin:/usr/openwin/bin:

such issue doesn't appear if I compile gmp, mpfr and mpc separately before
compiling gcc.
>From gcc-bugs-return-493866-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sat Aug 01 06:11:27 2015
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From: "chengniansun at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/67088] New: Incorrect location of error on invalid type used in bit-field declaration
Date: Sat, 01 Aug 2015 06:11:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67088

            Bug ID: 67088
           Summary: Incorrect location of error on invalid type used in
                    bit-field declaration
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: chengniansun at gmail dot com
  Target Milestone: ---

I define a struct with a bit field but declare it as "double". Gcc emits an
error on it but point to the start of the line, not the location of this
attribution declaration. 

$: cat t.c
struct S {
  double d; double s:1;
};
$: gcc-trunk -c t.c
t.c:2:3: error: bit-field ‘s’ has invalid type
   double d; double s:1;
   ^
$: clang-trunk -c t.c
t.c:2:20: error: bit-field 's' has non-integral type 'double'
  double d; double s:1;
                   ^ ~
1 error generated.
$: gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/usr/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/6.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-trunk/configure
--enable-languages=c,c++,objc,obj-c++,fortran,lto --disable-werror
--with-gmp=/usr/local/gcc-trunk --with-mpfr=/usr/local/gcc-trunk
--with-mpc=/usr/local/gcc-trunk --with-cloog=/usr/local/gcc-trunk
--prefix=/usr/local/gcc-trunk
Thread model: posix
gcc version 6.0.0 20150731 (experimental) [trunk revision 226431] (GCC) 
$:
>From gcc-bugs-return-493867-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Sat Aug 01 07:24:32 2015
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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug testsuite/67087] FAIL: gcc.dg/cpp/_Pragma3.c (test for excess errors) - file timestamp issue
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idg087

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Not a bug, use ./contrib/gcc_update --touch before running the testsuite.