From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carlo Wood To: nobody@gcc.gnu.org Cc: gcc-prs@gcc.gnu.org Subject: libstdc++/3243: Re: PATCH for gthr.h (was:: Problems bootstrapping on i686-linux) Date: Tue, 19 Jun 2001 06:06:00 -0000 Message-id: <20010619130605.29103.qmail@sourceware.cygnus.com> X-SW-Source: 2001-06/msg00779.html List-Id: The following reply was made to PR libstdc++/3243; it has been noted by GNATS. From: Carlo Wood To: Alexandre Oliva , gcc-gnats@gcc.gnu.org Cc: gcc@gcc.gnu.org Subject: libstdc++/3243: Re: PATCH for gthr.h (was:: Problems bootstrapping on i686-linux) Date: Tue, 19 Jun 2001 15:01:24 +0200 On Tue, Jun 19, 2001 at 07:06:12AM -0300, Alexandre Oliva wrote: > On Jun 19, 2001, Carlo Wood 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 -------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