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AC_PREREQ(2.50)
AC_INIT([DESCRIPTION])
: ${R_HOME=`R RHOME`}
if test -z "${R_HOME}"; then
echo "could not determine R_HOME"
exit 1
fi
CXX=`${R_HOME}/bin/R CMD config CXX`
AC_PROG_CXX
if test "${GXX}" = yes; then
gxx_version=`${CXX} -v 2>&1 | grep "^.*g.. version" | \
sed -e 's/^.*g.. version *//'`
case ${gxx_version} in
1.*|2.*)
AC_MSG_WARN([Only g++ version 3.0 or greater can be used with MCMCpack.])
AC_MSG_ERROR([Please use a different compiler.])
;;
esac
fi
AC_CHECK_HEADERS(ieeefp.h, [MV_HAVE_IEEEFP_H="-DHAVE_IEEEFP_H"], [MV_HAVE_IEEFP_H=""])
AC_CHECK_LIB(m, trunc)
AC_CHECK_FUNCS(trunc, [MV_HAVE_TRUNC="-DHAVE_TRUNC"], [MV_HAVE_TRUNC=""])
AC_SUBST(MV_HAVE_IEEEFP_H)
AC_SUBST(MV_HAVE_TRUNC)
AC_CONFIG_FILES([src/Makevars])
AC_OUTPUT
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