Changeset a432c4b7 in rtems for make

Fix based on bug report from Ralf Corsepius <corsepiu@…>:

There seems to be an ugly dependency between posix-headers and
libcsupport.

Configuring rtems with
../rtems-rc-19990324-0/configure \
--target=i386-rtems \
--prefix=<somewhere> \
--disable-posix

"make RTEMS_BSP=pc386" results into:

[...]
/opt/rtems/bin/i386-rtems-gcc --pipe
-B/users/rtems/src/multi/build/pc386/lib/ -specs bsp_specs -qrtems
-I/users/rtems/src/multi/build/pc386/lib/include/networking -g -Wall
-ansi -fasm -O4 -fomit-frame-pointer -c -o o-pc386/utime.o
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c
In file included from
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c:16:
/opt/rtems/i386-rtems/include/utime.h:4: sys/utime.h: No such file or
directory
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c:24: warning:
`struct utimbuf' declared inside parameter list
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c:24: warning:
its scope is only this definition or declaration,
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c:24: warning:
which is probably not what you want.
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c: In function
`utime':
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c:34:
dereferencing pointer to incomplete type
../../../../../rtems-rc-19990324-0/c/src/lib/libc/utime.c:34:
dereferencing pointer to incomplete type
make[4]: * [o-pc386/utime.o] Error 1
make[3]: * [all] Error 1
make[2]: * [all] Error 1
make[1]: * [all] Error 1
make[1]: Leaving directory `/lfs/poseidon/users/rtems/src/multi/build/c'

make: * [all] Error 1

Apparently sys/utime.h is one of the posix headers and therefore gets
not installed (I suppose this is correct).

IMO, this probably indicates that sys/utime.h has to be moved to another
include subdirectory and should not be part of the posix-package.
[AFAIK, sys/*.h are system dependent headers, so why should it be a
posix-header? - Hmm]