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dnl This is the newlib/libm configure.in file.
dnl Process this file with autoconf to produce a configure script.
AC_INIT([newlib],[NEWLIB_VERSION])
AC_CONFIG_SRCDIR([libm.texi])
AC_ARG_ENABLE(newlib_hw_fp,
[ --enable-newlib-hw-fp Turn on hardware floating point math],
[case "${enableval}" in
yes) newlib_hw_fp=true ;;
no) newlib_hw_fp=false ;;
*) AC_MSG_ERROR(bad value ${enableval} for --enable-newlib-hw-fp) ;;
esac],[newlib_hw_fp=false])
AM_CONDITIONAL(NEWLIB_HW_FP, test x$newlib_hw_fp = xtrue)
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../..)
NEWLIB_CONFIGURE(..)
AC_TYPE_LONG_DOUBLE
AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$ac_cv_type_long_double" = x"yes")
dnl We have to include these unconditionally since machines might want to use
dnl AM_CONDITIONAL in their subdirs.
m4_include([machine/nds32/acinclude.m4])
LIBM_MACHINE_LIB=
if test -n "${libm_machine_dir}"; then
case ${libm_machine_dir} in
aarch64) AC_CONFIG_FILES([machine/aarch64/Makefile]) ;;
arm) AC_CONFIG_FILES([machine/arm/Makefile]) ;;
i386) AC_CONFIG_FILES([machine/i386/Makefile]) ;;
nds32) AC_CONFIG_FILES([machine/nds32/Makefile]) ;;
pru) AC_CONFIG_FILES([machine/pru/Makefile]) ;;
spu) AC_CONFIG_FILES([machine/spu/Makefile]) ;;
riscv) AC_CONFIG_FILES([machine/riscv/Makefile]) ;;
x86_64) AC_CONFIG_FILES([machine/x86_64/Makefile]) ;;
powerpc) AC_CONFIG_FILES([machine/powerpc/Makefile]) ;;
sparc) AC_CONFIG_FILES([machine/sparc/Makefile]) ;;
mips) AC_CONFIG_FILES([machine/mips/Makefile]) ;;
*) AC_MSG_ERROR([unsupported libm_machine_dir "${libm_machine_dir}"]) ;;
esac
LIBM_MACHINE_DIR=machine/${libm_machine_dir}
LIBM_MACHINE_LIB=${LIBM_MACHINE_DIR}/lib.a
fi
AM_CONDITIONAL(HAVE_LIBM_MACHINE_DIR, test "x${LIBM_MACHINE_DIR}" != x)
AC_SUBST(LIBM_MACHINE_DIR)
AC_SUBST(LIBM_MACHINE_LIB)
AC_CONFIG_FILES([Makefile math/Makefile mathfp/Makefile common/Makefile complex/Makefile fenv/Makefile])
AC_OUTPUT
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