[cfe-dev] self-hosting build problem with a build from yesterday's CO and todays revision 101919

[R P Herrold]

Trying to rebuild clang (revision 101919) with a clang from a 
CO on 20100419, I get:

    ... 
=== configuring in projects/sample 
(/home/herrold/rpmbuild/BUILD/clang-20100420/projects/sample)
configure: running /bin/sh ./configure --prefix=/usr 
'--libexecdir=/usr/bin' '--libdir=/usr/lib64' 
'--enable-targets=host,x86,x86_64,cpp' '--without-ocaml' 
'--enable-optimized' '--enable-debug-runtime' 
'--enable-doxygen' '--disable-static' '--with-gnu-ld' 
'--enable-bindings=none' 'CC=/usr/bin/clang' 'CFLAGS=-g0 -O2 
-pipe ' 
'CPPFLAGS=-I/usr/include/c++/4.1.1/x86_64-redhat-linux/ ' 
'CXX=/usr/bin/clang++' --cache-file=/dev/null --srcdir=.
configure: creating ./config.status
config.status: creating Makefile.common
config.status: executing setup commands
config.status: executing Makefile commands
config.status: executing lib/Makefile commands
config.status: executing lib/sample/Makefile commands
config.status: executing tools/Makefile commands
config.status: executing tools/sample/Makefile commands
+ make DESTDIR=/var/tmp/clang-0.0.20100420.cvs.root
 	prefix=/usr libdir=/usr/lib64
make[1]: Entering directory 
`/home/herrold/rpmbuild/BUILD/clang-20100420/lib/System'
llvm[1]: Compiling Alarm.cpp for Release build
llvm[1]: Compiling Atomic.cpp for Release build
In file included from Atomic.cpp:14:
In file included from 
/home/herrold/rpmbuild/BUILD/clang-20100420/include/llvm/System/Atomic.h:17:
In file included from 
/home/herrold/rpmbuild/BUILD/clang-20100420/include/llvm/System/DataTypes.h:35:
/usr/include/c++/4.1.2/cmath:49:10: fatal error: 
'bits/c++config.h' file not found
#include <bits/c++config.h>
          ^
1 error generated.
make[1]: *** 
[/home/herrold/rpmbuild/BUILD/clang-20100420/lib/System/Release/Atomic.o] 
Error 1
make[1]: Leaving directory 
`/home/herrold/rpmbuild/BUILD/clang-20100420/lib/System'
make: *** [all] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.88449 (%build)

RPM build errors:
     Bad exit status from /var/tmp/rpm-tmp.88449 (%build)

real    3m9.395s
user    0m4.940s
sys     0m6.476s
===============================================================
CO level:      Checked out revision 101919.
clang version: clang-0.0.20100419.cvs-1orc
arch:          x86_64
Linux centos-5.first.lan 2.6.18-164.11.1.el5xen #1 SMP Wed Jan
 	20 08:06:04 EST 2010 x86_64 x86_64 x86_64 GNU/Linux
[herrold at centos-5 clang]$

-------------------------------------

The addition to the include path points to the only path I can 
see on my box with a 'bits/c++config.h'

The fault is reproduceable, and I can file a bug, if helpful.

-- Russ herrold