config BR2_PACKAGE_LIBMPFR bool "mpfr" default n default y if BR2_INSTALL_FORTRAN select BR2_PACKAGE_LIBGMP help C library for multiple-precision floating-point computations with exact rounding. http://www.mpfr.org/ config BR2_PACKAGE_LIBMPFR_HEADERS bool "mpfr headers for target" default n depends on BR2_PACKAGE_LIBMPFR select BR2_PACKAGE_LIBGMP_HEADERS help Install the mpfr headers for the target.