## config -- Simple shell script to get the values of basic R configure ## variables, or the header and library flags necessary for linking ## against R. ## ## Usage: ## R CMD config [options] [VAR] ## Copyright (C) 2002-6 The R Core Development Team ## ## This document is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2, or (at your option) ## any later version. ## ## This program is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## General Public License for more details. ## ## A copy of the GNU General Public License is available at ## http://www.r-project.org/Licenses/ revision='$Revision: 47836 $' version=`set - ${revision}; echo ${2}` version="R configuration information retrieval script: ${R_VERSION} (r${version}) Copyright (C) 2002-6 The R Core Development Team. This is free software; see the GNU General Public License version 2 or later for copying conditions. There is NO warranty." usage="Usage: R CMD config [options] [VAR] Get the value of a basic R configure variable VAR which must be among those listed in the 'Variables' section below, or the header and library flags necessary for linking against R. Options: -h, --help print short help message and exit -v, --version print version info and exit --cppflags print pre-processor flags required to compile a program using R as a library --ldflags print linker flags needed for linking against the R library Variables: BLAS_LIBS flags needed for linking against external BLAS libraries CC C compiler command CFLAGS C compiler flags CPICFLAGS special flags for compiling C code to be turned into a shared library CPP C preprocessor CPPFLAGS C/C++ preprocessor flags, e.g. -I if you have headers in a nonstandard directory CXX C++ compiler command CXXCPP C++ preprocessor CXXFLAGS C++ compiler flags CXXPICFLAGS special flags for compiling C++ code to be turned into a shared library DYLIB_EXT file extension (including '.') for dynamic libraries DYLIB_LD command for linking dynamic libraries which contain object files from a C or Fortran compiler only DYLIB_LDFLAGS special flags used by DYLIB_LD F77 Fortran 77 compiler command FFLAGS Fortran 77 compiler flags FLIBS linker flags needed to link Fortran code FPICFLAGS special flags for compiling Fortran code to be turned into a shared library FC Fortran 9x compiler command FCFLAGS Fortran 9x compiler flags FCPICFLAGS special flags for compiling Fortran 9x code to be turned into a shared library JAR Java archive tool command JAVA Java interpreter command JAVAC Java compiler command JAVAH Java header and stub generator command JAVA_HOME path to the home of Java distribution JAVA_LIBS flags needed for linking against Java libraries JAVA_CPPFLAGS C preprocessor flags needed for compiling JNI programs LAPACK_LIBS flags needed for linking against external LAPACK libraries LIBnn location for libraries, e.g. 'lib' or 'lib64' on this platform LDFLAGS linker flags, e.g. -L if you have libraries in a nonstandard directory OBJC Objective C compiler command OBJCFLAGS Objective C compiler flags MAKE Make command SAFE_FFLAGS Safe (as conformant as possible) Fortran 77 compiler flags SHLIB_CFLAGS additional CFLAGS used when building shared objects SHLIB_CXXLD command for linking shared objects which contain object files from a C++ compiler SHLIB_CXXLDFLAGS special flags used by SHLIB_CXXLD SHLIB_EXT file extension (including '.') for shared objects SHLIB_FFLAGS additional FFLAGS used when building shared objects SHLIB_LD command for linking shared objects which contain object files from a C or Fortran compiler only SHLIB_LDFLAGS special flags used by SHLIB_LD SHLIB_FCLD, SHLIB_FCLDFLAGS ditto when using Fortran 9x TCLTK_CPPFLAGS flags needed for finding the tcl.h and tk.h headers TCLTK_LIBS flags needed for linking against the Tcl and Tk libraries Report bugs to ." ## ## The variables are basically the precious configure variables (with ## the R_* and MAIN_* ones removed), plus FLIBS and BLAS_LIBS. ## One could use ## precious_configure_vars=`~/src/R/configure --help \ ## | sed -n '/^Some influential/,/^[^ ]/p' \ ## | sed '/^[^ ]/d' \ ## | sed 's/^ //' \ ## | cut -f1 -d ' ' \ ## | grep -v '^MAIN_' \ ## | grep -v '^R_' \ ## | sort \ ## | uniq` ## to obtain the configure vars and hence create most of the above usage ## info as well as the list of accepted variables below automatically. ## if test $# = 0; then echo "${usage}" exit 1 fi if test "${R_OSTYPE}" = "windows"; then MAKE=make R_DOC_DIR=${R_HOME}/doc R_INCLUDE_DIR=${R_HOME}/include R_SHARE_DIR=${R_HOME}/share R_ARCH= fi makefiles="-f ${R_HOME}/etc${R_ARCH}/Makeconf -f ${R_SHARE_DIR}/make/config.mk" ## avoid passing down -jN MAKEFLAGS= export MAKEFLAGS query="${MAKE} -s ${makefiles} print R_HOME=${R_HOME}" LIBR=`eval $query VAR=LIBR` STATIC_LIBR=`eval $query VAR=STATIC_LIBR` if test -n "${R_ARCH}"; then includes="-I${R_INCLUDE_DIR} -I${R_INCLUDE_DIR}${R_ARCH}" else includes="-I${R_INCLUDE_DIR}" fi var= while test -n "${1}"; do case "${1}" in -h|--help) echo "${usage}"; exit 0 ;; -v|--version) echo "${version}"; exit 0 ;; --cppflags) if test -z "${LIBR}"; then if test -z "${STATIC_LIBR}"; then echo "R was not built as a library" >&2 else echo "${includes}" fi else echo "${includes}" fi exit 0 ;; --ldflags) if test -z "${LIBR}"; then if test -z "${STATIC_LIBR}"; then echo "R was not built as a library" >&2 else echo "${STATIC_LIBR}" fi else echo "${LIBR}" fi exit 0 ;; *) if test -z "${var}"; then var="${1}" else echo "ERROR: cannot query more than one variable" >&2 exit 1 fi ;; esac shift done ok_c_vars="CC CFLAGS CPICFLAGS CPP CPPFLAGS" ok_cxx_vars="CXX CXXCPP CXXFLAGS CXXPICFLAGS" ok_dylib_vars="DYLIB_EXT DYLIB_LD DYLIB_LDFLAGS" ok_objc_vars="OBJC OBJCFLAGS" ok_java_vars="JAVA JAVAC JAVAH JAR JAVA_HOME JAVA_LIBS JAVA_CPPFLAGS" ok_f77_vars="F77 FFLAGS FPICFLAGS FLIBS SAFE_FFLAGS FC FCFLAGS FCPICFLAGS" ok_ld_vars="LDFLAGS" ok_shlib_vars="SHLIB_CFLAGS SHLIB_CXXLD SHLIB_CXXLDFLAGS SHLIB_EXT SHLIB_FFLAGS SHLIB_LD SHLIB_LDFLAGS SHLIB_FCLD SHLIB_FCLDFLAGS" ok_tcltk_vars="TCLTK_CPPFLAGS TCLTK_LIBS" ok_other_vars="BLAS_LIBS LAPACK_LIBS MAKE LIBnn" ## Can we do this elegantly using case? var_ok=no for v in ${ok_c_vars} ${ok_cxx_vars} ${ok_dylib_vars} ${ok_f77_vars} \ ${ok_objc_vars} ${ok_java_vars} \ ${ok_ld_vars} ${ok_shlib_vars} ${ok_tcltk_vars} \ ${ok_other_vars}; do if test "${var}" = "${v}"; then var_ok=yes break fi done if test "${var_ok}" = yes; then eval "${query} VAR=${var}" else echo "ERROR: no information for variable '${var}'" exit 1 fi ### Local Variables: *** ### mode: sh *** ### sh-indentation: 2 *** ### End: ***