[friedhelm@fedora-vm work-dir]$ ct-ng build
[INFO ]  Performing some trivial sanity checks
[INFO ]  Build started 20120221.105247
[INFO ]  Building environment variables
[EXTRA]  Preparing working directories
[EXTRA]  Installing user-supplied crosstool-NG configuration
[EXTRA]  =================================================================
[EXTRA]  Dumping internal crosstool-NG configuration
[EXTRA]    Building a toolchain for:
[EXTRA]      build  = i686-pc-linux-gnu
[EXTRA]      host   = i686-pc-linux-gnu
[EXTRA]      target = arm-unknown-linux-gnueabi
[EXTRA]  Dumping internal crosstool-NG configuration: done in 0.14s (at 00:18)
[INFO ]  =================================================================
[INFO ]  Retrieving needed toolchain components' tarballs
[INFO ]  Retrieving needed toolchain components' tarballs: done in 0.16s (at 00:18)
[INFO ]  =================================================================
[INFO ]  Extracting and patching toolchain components
[INFO ]  Extracting and patching toolchain components: done in 0.50s (at 00:19)
[INFO ]  =================================================================
[INFO ]  Installing GMP
[EXTRA]    Configuring GMP
[EXTRA]    Building GMP
[EXTRA]    Installing GMP
[INFO ]  Installing GMP: done in 91.66s (at 01:50)
[INFO ]  =================================================================
[INFO ]  Installing MPFR
[EXTRA]    Configuring MPFR
[EXTRA]    Building MPFR
[EXTRA]    Installing MPFR
[INFO ]  Installing MPFR: done in 19.97s (at 02:10)
[INFO ]  =================================================================
[INFO ]  Installing PPL
[EXTRA]    Configuring PPL
[EXTRA]    Building PPL
[EXTRA]    Installing PPL
[INFO ]  Installing PPL: done in 73.51s (at 03:24)
[INFO ]  =================================================================
[INFO ]  Installing CLooG/ppl
[EXTRA]    Configuring CLooG/ppl
[EXTRA]    Building CLooG/ppl
[EXTRA]    Installing CLooG/ppl
[INFO ]  Installing CLooG/ppl: done in 5.39s (at 03:29)
[INFO ]  =================================================================
[INFO ]  Installing binutils
[EXTRA]    Configuring binutils
[EXTRA]    Building binutils
[EXTRA]    Installing binutils
[INFO ]  Installing binutils: done in 44.90s (at 04:14)
[INFO ]  =================================================================
[INFO ]  Installing static core C compiler
[EXTRA]    Configuring static core C compiler
[EXTRA]    Building static core C compiler
[EXTRA]    Installing static core C compiler
[INFO ]  Installing static core C compiler: done in 83.63s (at 05:38)
[INFO ]  =================================================================
[INFO ]  Installing kernel headers
[EXTRA]    Installing kernel headers
[EXTRA]    Checking installed headers
[INFO ]  Installing kernel headers: done in 4.59s (at 05:43)
[INFO ]  =================================================================
[INFO ]  Installing C library headers & start files
[EXTRA]    Configuring C library
[EXTRA]    Installing C library headers
[ERROR]    make[2]: *** [manual/install-headers] Error 2
[ERROR]    make[1]: *** [install-headers] Error 2
[ERROR]   
[ERROR]  >>
[ERROR]  >>  Build failed in step 'Installing C library headers & start files'
[ERROR]  >>        called in step '(top-level)'
[ERROR]  >>
[ERROR]  >>  Error happened in: CT_DoExecLog[scripts/functions@172]
[ERROR]  >>        called from: do_libc_backend_once[scripts/build/libc/glibc-eglibc.sh-common@381]
[ERROR]  >>        called from: do_libc_backend[scripts/build/libc/glibc-eglibc.sh-common@144]
[ERROR]  >>        called from: do_libc_start_files[scripts/build/libc/glibc-eglibc.sh-common@60]
[ERROR]  >>        called from: main[scripts/crosstool-NG.sh@597]
[ERROR]  >>
[ERROR]  >>  For more info on this error, look at the file: 'build.log'
[ERROR]  >>  There is a list of known issues, some with workarounds, in:
[ERROR]  >>      '/usr/local/share/doc/crosstool-ng/ct-ng.1.14.1/B - Known issues.txt'
[ERROR]   
[ERROR]  (elapsed: 6:10.63)
[06:11] / make: *** [build] Error 2
[friedhelm@fedora-vm work-dir]$