Hi --

I b0rked the Sage install on my netbook by somehow bungling upgrade(), so 
decided to reinstall from source (I run Linux, but it's neither Red 
Hat-based nor Debian/Ubuntu-oid ... it's Slackware).

For the first time ever, the Sage build failed. 

The details:

OS is Slackware Linux 14.0, 64-bit 'current branch'. 

The cpu is an Intel(R) Atom(TM) CPU N570   @ 1.66GHz

I ran a script session to capture the build output. Here is the end, where 
it crashes out:

gcc -O2 -g  -fPIC -pipe  -I. -I.. -I/home/chexmix/sage-5.9/local  
-I/home/chexmix/sage-5.9/local/include 
-I/home/chexmix/sage-5.9/local/include 
-I/home/chexmix/sage-5.9/local/include  -I/usr/local/include  -DNDEBUG 
-DOM_NDEBUG -Dx86_64_Linux -DHAVE_CONFIG_H -c weight0.c
In file included from ../kernel/si_gmp.h:4:0,
                 from ../kernel/structs.h:15,
                 from weight0.c:13:
../factory/cf_gmp.h:2501:28: fatal error: bits/c++config.h: No such file or 
directory
 #include <bits/c++config.h>
                            ^
compilation terminated.
make[4]: *** [weight0.o] Error 1
make[4]: Leaving directory 
`/home/chexmix/sage-5.9/spkg/build/singular-3-1-5.p7/src/kernel'
make[3]: *** [install-nolns] Error 1
make[3]: Leaving directory 
`/home/chexmix/sage-5.9/spkg/build/singular-3-1-5.p7/src'
Unable to build and install Singular
Error building Singular (error in build_singular).

------------------
I've Googled on it a bit & it is a not-uncommon error, but so far I haven't 
puzzled out where the fault lies nor how I might fix it ... so I thought I 
would post it here. 

Perhaps a gcc bug? I neglected to note the gcc version on the box in 
question (which is at home).

/Glenn

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