Also set CT_DEBUGROOT_DIR for non sysroot-ed toolchains.
In the non-sysroot-ed case, the debuf-root directory would not be set;
debug tools would have been installed God-only-knows-where...
Spotted by Bart van der Meulen <bartvdrmeulen@gmail.com>.
(transplanted from 634ffd14d936154464fd714ed29ed44c8e16ae02)
5 libelf lets you read, modify or create ELF files in an
6 architecture-independent way.
10 prompt "libelf version"
12 config LIBELF_V_0_8_10
16 # CT_INSERT_VERSION_ABOVE
17 # Don't remove above line!
22 default "0.8.10" if LIBELF_V_0_8_10
23 # CT_INSERT_VERSION_STRING_ABOVE
24 # Don't remove above line!