[Bug c++/27356] New: Right read operator not accessible after overloading.

2006-04-29 Thread pfl at iis dot fhg dot de 
When compiling the following program with the shipped gcc 4.0.1 from XCode 2.2
on an Apple iMac, the result is:

> Mac:~/Desktop pfeil$ ./bugdemo 
> write write write write 
> true

but should be:
> write read write read
> true

Or in other words, the compiler should use the read/const version of the
operator[] when there is no assignment and the lvalue/reference version when
there is an assignment to the reference of the operator.

Or again in other words: How to access the read opperator?

---

// g++ bugdemo.cpp -o bugdemo
#include 
using namespace std;
class Array {
  bool  data[ 100 ];
public:
  const bool operator[]( const unsigned int index ) const {
cout << "read ";
return data[ index ];
  }
  bool &operator[]( const unsigned int index ) {
cout << "write ";
return data[ index ];
  }
};
int main( int argc, char **argv ) {
  Array a;
  a[ 0 ] = true;
  a[ 1 ] = a[ 0 ];
  cout << endl << (a[ 0 ]?"true":"false") << endl;
  return 0;
}


-- 
   Summary: Right read operator not accessible after overloading.
   Product: gcc
   Version: 4.0.1
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pfl at iis dot fhg dot de
 GCC build triplet: i686-apple-darwin8
  GCC host triplet: i686-apple-darwin8
GCC target triplet: i686-apple-darwin8


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27356

[Bug target/23231] cross compiling fails for mips-sgi-irix6.5

2005-11-09 Thread pfl at iis dot fhg dot de 


--- Comment #5 from pfl at iis dot fhg dot de  2005-11-09 18:35 ---
Ok, I switched to MacOSX.

There I have a /usr/gnu/build/gcc-4.0.2 diectory with the original sources.
Then I do a 

../gcc-4.0.2/configure --cache-file=../mips-gcc-4.0.2.configure.cache
--prefix=/usr/gnu --bindir=/usr/gnu/bin --sbindir=/usr/gnu/sbin
--libdir=/usr/gnu/lib32 --disable-nls --disable-multilib --disable-intl
--enable-languages=c,c++ --target=mips-sgi-irix6.5
--program-prefix=mips-sgi-irix6.5- --with-libs=/usr/gnu/mips-sgi-irix6.5/lib
--with-gnu-ld --with-ld=/usr/gnu/bin/mips-sgi-irix6.5-ld --with-gnu-as
--with-as=/usr/gnu/bin/mips-sgi-irix6.5-as

in the directory: /usr/gnu/build/mips-gcc-4.0.2-compile

As preparation I did a:

> CFLAGS=-O1 CXXFLAGS=-O1 ./configure --cache-file=../binutils_configure.cache 
> --prefix=/usr/gnu --bindir=/usr/gnu/bin --sbindir=/usr/gnu/sbin 
> --libdir=/usr/gnu/lib32 --program-prefix=mips-sgi-irix6.5- 
> --target=mips-sgi-irix6.5
> make 
> make install

on the binutils-2.16.1 in: /usr/gnu/build/mips-binutils-2.16.1.

Furthermore, I copied the original libs from the SGI box (IRIX 6.5.25) to:
/usr/gnu/mips-sgi-irix6.5/lib and the headers to:
/usr/gnu/mips-sgi-irix6.5/sys-include

This it the contens of those directorys:

> pwd
/usr/gnu/mips-sgi-irix6.5/lib
> ls -l
total 14536
-rw-r--r--1 pfeil  pfeil   30 Sep 11 23:13 COPIED
drwxr-xr-x   32 pfeil  pfeil 1088 Sep 29 23:28 ldscripts
-r-xr-xr-x1 pfeil  pfeil  3322796 Sep 30 00:17 libc.so
-r-xr-xr-x1 pfeil  pfeil  3322796 Sep 11 23:30 libc.so.1
-r--r--r--1 pfeil  pfeil   128088 Sep 11 23:30 libdisk.so
-r--r--r--1 pfeil  pfeil67600 Sep 11 23:30 libpam.so
-r--r--r--1 pfeil  pfeil25224 Sep 11 23:30 libpam_misc.so
-rwxr-xr-x1 pfeil  pfeil   555440 Sep 11 23:30 rld

> pwd
/usr/gnu/mips-sgi-irix6.5/sys-include
> ls
ABIinfo.h   ieeefp.hresolv.h
FlexLexer.h internalrld_interface.h
MediaViewer inttypes.h  rpc
Mrm invent.hrpcsvc
Sgm isam.h  rsvp
SpeedShop   iso646.hsac.h
Vk  kmem.h  sat.h
X11 ksyssched.h
Xm  langinfo.h  scncomment.h
a.out.h lastlog.h   scnhdr.h
abi_mutex.h ldfcn.h search.h
aio.h   libXlate.h  semaphore.h
alloca.hlibdwarf.h  setjmp.h
aouthdr.h   libelf.hsex.h
ar.hliberrno.h  sgi_nl.h
archives.h  libexc.hsgidefs.h
arcslibftn.hsgidlfcn.h
arpalibgen.hsgtty.h
asm.h   libw.h  shadow.h
assert.hlimits.hshlib.h
auxv.h  linenum.h   sigfpe.h
bstring.h   locale.hsiginfo.h
cap_net.h   locale_attr.h   signal.h
capability.hmakesnmp
cblas.h malloc.hsock_extern.h
ckpt.h  math.h  ssdi.h
clearance.h math62.hstamp.h
clibdefs.h  mdbm.h  standards.h
cmplrs  mediad.hstd.h
compact_reloc.h memory.hstdarg.h
core.out.h  mls.h   stddef.h
cpio.h  mntent.hstdio.h
cr1.h   mon.h   stdlib.h
craymonetary.h  storclass.h
crypt.h mpc.h   string.h
cs.hmpool.h strings.h
ctype.h mqueue.hstropts.h
curses.hmsym.h  stsupport.h
db.hmutex.h sum.h
dbm.h   namefs  svr4_math.h
deflt.h nan.h   sym.h
devmgmt.h   nanothread.hsym64.h
di_aux.hndbm.h  sym_aux.h
di_group.h  net symconst.h
di_passwd.h netconfig.h syms.h
dial.h  netdb.h sys
dirent.hnetdir.hsys.s
disassembler.h  netinet sysexits.h
dlfcn.h netman  syslog.h
dslib.h netns   tar.h
dwarf.h nl_types.h  task.h
elf.h   nlist.h tcpd.h
elf_abi.h   ns_api.hterm.h
elf_delta.h ns_daemon.h termio.h
elf_mips.h  obj.h   termios.h
elf

[Bug target/23231] cross compiling fails for mips-sgi-irix6.5

2005-08-07 Thread pfl at iis dot fhg dot de 

--- Additional Comments From pfl at iis dot fhg dot de  2005-08-07 09:22 
---
I tried your suggestions with the following parameters:

I compilied with gcc-4.0.2 binutils 2.16.1 with:
CC="ccache i686-pc-linux-gnu-gcc-4.0" CXX="ccache i686-pc-linux-gnu-g++-4.0" 
CFLAGS="-O1" CXXFLAGS="-O1" configure --cache-file=../binutils_configure-i686.
cache --prefix=/home/pfl/gnu --bindir=/home/pfl/gnu/bin --sbindir=/home/pfl/gnu/
sbin --libdir=/home/pfl/gnu/lib32  --program-prefix=i686-pc-linux-gnu-

Then I compiled gcc-4.0.2 with:
CC="ccache i686-pc-linux-gnu-gcc-4.0" CXX="ccache i686-pc-linux-gnu-g++-4.0" 
CFLAGS="-O1" CXXFLAGS="-O1"  ../gcc-4.0-20050728/configure --cache-file=../
gcc40_configure-mips.cache --prefix=/home/pfl/gnu --bindir=/home/pfl/gnu/bin --
sbindir=/home/pfl/gnu/sbin --libdir=/home/pfl/gnu/lib32 --disable-nls --disable-
multilib --disable-intl --enable-languages=c,c++ --target=mips-sgi-irix6.5 --
program-prefix=mips-sgi-irix6.5- --without-headers --with-newlib --with-gnu-ld -
-with-ld=/home/pfl/gnu/bin/mips-sgi-irix6.5-ld --with-gnu-as --with-as=/home/
pfl/gnu/bin/mips-pc-linux-gnu-as

This leads to:
...
/home/pfl/gnu/mips-sgi-irix6.5/bin/ld: cannot find -lc
collect2: ld returned 1 exit status
...

Then I tried:
CC="ccache i686-pc-linux-gnu-gcc-4.0" CXX="ccache i686-pc-linux-gnu-g++-4.0" 
CFLAGS="-O1" CXXFLAGS="-O1"  ../gcc-4.0-20050728/configure --cache-file=../
gcc40_configure-mips.cache --prefix=/home/pfl/gnu --bindir=/home/pfl/gnu/bin --
sbindir=/home/pfl/gnu/sbin --libdir=/home/pfl/gnu/lib32 --disable-nls --disable-
multilib --disable-intl --enable-languages=c,c++ --target=mips-sgi-irix6.5 --
program-prefix=mips-sgi-irix6.5- --without-headers --with-newlib --with-gnu-ld

Which broke at the same line with:
...
/home/pfl/gnu/mips-sgi-irix6.5/bin/ld: cannot find -lc
collect2: ld returned 1 exit status
make[2]: *** [libgcc_s.so] Fehler 1
make[2]: Verlassen des Verzeichnisses Verzeichnis »/home/pfl/gnu/build/mips-gcc-
4.0/gcc«
make[1]: *** [stmp-multilib] Fehler 2
rm gfdl.pod gcov.pod cpp.pod gpl.pod gcc.pod fsf-funding.pod
make[1]: Verlassen des Verzeichnisses Verzeichnis »/home/pfl/gnu/build/mips-gcc-
4.0/gcc«
make: *** [all-gcc] Fehler 2

If I manualy executed the line without -lc the line compiles/links. But the 
make 
file tries to redo this step so I find myself in an endless loop of manual 
compiling/linking and starting make.

I think the -lc linker switch could perhaps be removed from the Makefile.
I have a coupel of very fast machines and I am willing to try some parameter 
constellations for you if you like.

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23231

[Bug bootstrap/23231] New: cross compiling fails for mips-sgi-irix6.5

2005-08-04 Thread pfl at iis dot fhg dot de 
when cross compiling the gcc 4.0.2 on a i686-pc-linux-gnu with
intel: binutils 2.16.1 - compiled with gcc 4.1.0
mips:  binutils 2.16.1 - compiled with gcc 4.1.0

the following error occures:

/home/pfl/gnu/mips-sgi-irix6.5/bin/ld: unrecognized option '-_SYSTYPE_SVR4'
/home/pfl/gnu/mips-sgi-irix6.5/bin/ld: use the --help option for usage 
information
collect2: ld returned 1 exit status

and the compilation exits. 

The same problem occures when the binutils are:
intel: binutils 2.16.1 - compiled with gcc 4.0.2
mips:  binutils 2.16.1 - compiled with gcc 4.0.2

I get also the same problem when compiling on an apple mac - tiger 10.4.2.

-- 
   Summary: cross compiling fails for mips-sgi-irix6.5
   Product: gcc
   Version: 4.0.2
Status: UNCONFIRMED
  Severity: normal
  Priority: P2
 Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pfl at iis dot fhg dot de
CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: mips-sgi-irix6.5


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23231