root-config man page

root-config — ROOT utility for your Makefiles

Synopsis

root-config [options]

Description

Put lines like

CFLAGS = $(shell root-config --cflags)
LIBS   = $(shell root-config --libs)
GLIBS  = $(shell root-config --glibs)

%Cint.cxx:Include.h LinkDef.h
        rootcint -f $@ -c $^

in you Makefile.

You may also find the automake(1), autoconf(1), and libtool(1) macro file /usr/share/aclocal/root.m4 useful. If that macro file isn't installed where Iaclocal will find it, copy the contents to your local acinclude.m4 file. In the directories you use ROOT libraries, have in your Makefile.am file:

lib_LTLIBRARIES         = libFoo.la
pkginclude_HEADERS      = Foo.h
noinst_HEADERS          = FooCint.h
libFoo_la_SOURCES       = Foo.cxx FooCint.cxx   
libFoo_la_LDFLAGS       = -version-info 1:0 -R @ROOTLIBDIR@
libFoo_la_LDADD         = -lCore -lCint @ROOTAUXLIBS@

BUILT_SOURCES           = FooCint.cxx FooCint.h 

AM_CPPFLAGS             = -I@ROOTINCDIR@
AM_LDFLAGS              = -L@ROOTLIBDIR@
CLEANFILES              = *Cint.cxx *Cint.h *~ core 

%Cint.cxx %Cint.h:Include.h LinkDef.h
        @ROOTCINT@ -f $*Cint.cxx -c $(INCLUDES) $(AM_CPPFLAGS) $^

where you should substitute Foo with whatever, and list the appropriate source files in the _SOURCES variable. In you configure.in file, put:

AC_PROG_CC
AC_PROG_CXX
ROOT_PATH
AM_PROG_LIBTOOL

along with any other macros you may need.

Note that the ROOT_PATH macro takes three optional arguments: the minimal ROOT version to use, action if ROOT is found, and action if ROOT isn't found. Some examples are

ROOT_PATH(3.03/05, , AC_MSG_ERROR(Your ROOT version is too old))
ROOT_PATH(, AC_DEFUN(HAVE_ROOT))

For example, if you want to compile some part of your source tree conditionally on wether ROOT is present or not, you can put in your configure.in file

ROOT_PATH(,
[
  AC_DEFUN(HAVE_ROOT)
  have_root=yes  
])
AM_CONDITIONAL(GOT_ROOT, test "x$have_root" = "xyes")

And then in some Makefile.am

EXTRA_SOURCES		= root_depenent_source.cc
if GOT_ROOT
LIBFOOXTRA              = root_depenent_source.cc
else
LIBFOOXTRA              =
endif

lib_LTLIBRARIES         = libFoo.la
libFoo_la_SOURCES	= Foo.cc  $(LIBFOOXTRA)

The full list of substitution variables are:

ROOTCONF
full path to root-config
ROOTEXEC
full path to root
ROOTCINT
full path to rootcint
ROOTLIBDIR
Where the ROOT libraries are
ROOTINCDIR
Where the ROOT headers are
ROOTCFLAGS
Extra compiler flags
ROOTLIBS
ROOT basic libraries
ROOTGLIBS
ROOT basic + GUI libraries
ROOTAUXLIBS
Auxilary libraries and linker flags for ROOT
ROOTAUXCFLAGS
Auxilary compiler flags
ROOTRPATH
Same as ROOTLIBDIR

Options

--help
Gives a short list of options available, and exit
--version
Report the version number of installed ROOT, and exit.
--prefix=<prefix>
If no arguments is given, reports where ROOT is installed. With an argument of =<prefix>, set the base of the subsequent options to <prefix>. If \--exec-prefix is passedwith an argument, that argument overrides the argument given to \--prefix for the library path.
--exec-prefix=<prefix>
If no argument is given, report where the libraries are installed. If an argument is given, use that as the installation base directory for the libraries. This option does not affect the include path.
--libdir
Print the directory where the ROOT libraries are installed.
--incdir
Print the directory where the ROOT headers are installed.
--libs
Output a line suitable for linking a program agains the ROOT libraries. No graphics libraries are output.
--glibs
As above, but also output for the graphics libraries.
--cflags
Output a line suitable for compiling a source file againd the ROOT header (class declararion) files.
--new
Put the libNew.so library in the library lists. This option must be given before options --libs and --glibs.
--nonew
Compatiblity option. Does nothing.
--auxlibs
Print auxiliary libraries and/or system linker flags.
--noauxlibs
Do not print auxiliary libraries and/or system linker flags in the output of --libs and --glibs. --auxcflags Print auxiliary compiler flags.
--noauxcflags
Do not print auxiliary compiler flags in the output of --cflags.
--noldflags
Do not print library path link option in output of --libs and --glibs.

See Also

root(1), root-cint(1)

See also the ROOT webpages: http://root.cern.ch

Original Authors

The ROOT team (see web page above):

Rene Brun and Fons Rademakers

Author

This manual page was written by Christian Holm Christensen <cholm@nbi.dk>, for the Debian GNU/Linux system (but may be used by others).

Referenced By

root(1).

Version 3 ROOT