Typing root-config --help in the new ROOT 6.06/00, it displays:
[quote]Usage: root-config [options]
–arch Print the architecture (compiler/OS)
–platform Print the platform (OS)
–prefix[=dir] Print or set prefix
–exec-prefix[=dir] Print or set execution prefix
–libs Print regular ROOT libraries
–glibs Print regular + GUI ROOT libraries
–evelibs Print regular + GUI + Eve libraries
–cflags Print compiler flags and header path
–ldflags Print linker flags
–bindir Print the executable directory
–libdir Print the library directory
–incdir Print the header directory
–etcdir Print the configuration directory
–auxlibs Print auxiliary libraries
–auxcflags Print auxiliary compiler flags
–[no]new Turn on[off] use of libNew.so
–noauxlibs Do not print auxiliary/system libraries
–noauxcflags Do not print auxiliary compiler flags
–noldflags Do not print linker flags
–config Print arguments used for ./configure
–features Print list of all supported features
–has- Test if is compiled in
–version Print the ROOT version
–git-revision Print the ROOT git revision number
–python-version Print the Python version used by ROOT
–npcu Print number of available (hyperthreaded) cores
–cc Print alternative C compiler specified when ROOT was built
–cxx Print alternative C++ compiler specified when ROOT was built
–f77 Print alternative Fortran compiler specified when ROOT was built
–ld Print alternative Linker specified when ROOT was built
–help Print this message[/quote]
There is a typo in “–npcu”. It should be “–ncpu”.