Fix building core C compiler.
PowerPC unveiled that you can't reliably build a target libgcc until you have C library headers.
In fact you can't build it at all. The fact that it did build for some architectures was purely coincidental, and a mistake.
This fix should still allow to build uClibc-based toolchains (some ARM uClibc toolchains were build-tested).

/trunk/scripts/build/cc_gcc.sh | 100 47 53 0 +++++++++++++++++++++++-------------------------
1 file changed, 47 insertions(+), 53 deletions(-)

 diff -dur strace-4.5.15.orig/system.c strace-4.5.15/system.c

 --- strace-4.5.15.orig/system.c	2007-01-17 00:22:36.000000000 +0100

 +++ strace-4.5.15/system.c	2007-07-14 19:28:41.000000000 +0200

 @@ -1612,7 +1612,9 @@

  	{ CTL_KERN, "CTL_KERN" },

  	{ CTL_VM, "CTL_VM" },

  	{ CTL_NET, "CTL_NET" },

 +#ifdef CTL_PROC

  	{ CTL_PROC, "CTL_PROC" },

 +#endif

  	{ CTL_FS, "CTL_FS" },

  	{ CTL_DEBUG, "CTL_DEBUG" },

  	{ CTL_DEV, "CTL_DEV" },