libstdc++/3243: Re: PATCH for gthr.h (was:: Problems bootstrapping on i686-linux)

[Carlo Wood <carlo at alinoe dot com>]

On Tue, Jun 19, 2001 at 07:06:12AM -0300, Alexandre Oliva wrote:
> On Jun 19, 2001, Carlo Wood <carlo@alinoe.com> wrote:
> 
> > I think the following patch is needed.
> 
> Wouldn't it break the build, since bits doesn't exist at that time?
> 
> Besides, I don't see why this is needed.  Since both gthr.h and
> gthr-*.h are installed in the same bits directory, #include "gthr-*.h"
> should get the right file from gthr.h.  If it doesn't, it's probably a
> preprocessor bug.

You're right.  However, I feel the real problem might be the use of
double quotes here(?).

Anyway, here is a test case, the problem is indeed related to use of -I-.

-------Start of test.cc--------
#include <iostream>
-------End of test.cc----------

>g++-3.0 -I- -c -v test.cc
Reading specs from /usr/local/gcc-3.0/lib/gcc-lib/i686-pc-linux-gnu/3.0/specs
Configured with: ../gcc-3.0/configure --prefix=/usr/local/gcc-3.0 --infodir=/usr/local --mandir=/usr/local --enable-shared --with-gnu-as --with-gnu-ld --enable-threads=posix --enable-languages=c++ --disable-nls
Thread model: posix
gcc version 3.0
 /usr/local/gcc-3.0/lib/gcc-lib/i686-pc-linux-gnu/3.0/cc1plus -v -I- -D__GNUC__=3 -D__GNUC_MINOR__=0 -D__GNUC_PATCHLEVEL__=0 -D__ELF__ -Dunix -Dlinux -D__ELF__ -D__unix__ -D__linux__ -D__unix -D__linux -Asystem=posix -D__NO_INLINE__ -D__STDC_HOSTED__=1 -D_GNU_SOURCE -Acpu=i386 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__ -D__tune_pentiumpro__ test.cc -D__GNUG__=3 -D__GXX_DEPRECATED -D__EXCEPTIONS -D__GXX_ABI_VERSION=100 -quiet -dumpbase test.cc -version -o /tmp/ccAiAD8o.s
GNU CPP version 3.0 (cpplib) (i386 Linux/ELF)
GNU C++ version 3.0 (i686-pc-linux-gnu)
	compiled by GNU C version 3.0.
ignoring nonexistent directory "/usr/local/gcc-3.0/i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/gcc-3.0/include/g++-v3
 /usr/local/gcc-3.0/include/g++-v3/i686-pc-linux-gnu
 /usr/local/gcc-3.0/include/g++-v3/backward
 /usr/local/include
 /usr/local/gcc-3.0/lib/gcc-lib/i686-pc-linux-gnu/3.0/include
 /usr/include
End of search list.
In file included from /usr/local/gcc-3.0/include/g++-v3/i686-pc-linux-gnu/bits/c++io.h:37,
                 from /usr/local/gcc-3.0/include/g++-v3/bits/fpos.h:39,
                 from /usr/local/gcc-3.0/include/g++-v3/bits/std_iosfwd.h:41,
                 from /usr/local/gcc-3.0/include/g++-v3/bits/std_ios.h:39,
                 from /usr/local/gcc-3.0/include/g++-v3/bits/std_ostream.h:39,
                 from /usr/local/gcc-3.0/include/g++-v3/bits/std_iostream.h:40,
                 from /usr/local/gcc-3.0/include/g++-v3/iostream:31,
                 from test.cc:1:
/usr/local/gcc-3.0/include/g++-v3/i686-pc-linux-gnu/bits/gthr.h:98:26: gthr-default.h: No such file or directory
[...]


-- 
Carlo Wood <carlo@alinoe.com>