sinclude(./aclocal.m4)dnl Autoconf lossage

GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.

# Local configure fragment for sysdeps/unix/sysv/linux/mips.

AC_COMPILE_IFELSE(

  [AC_LANG_PROGRAM([

    #if (_MIPS_SIM != _ABIO32)

    #error Not O32 ABI

    #endif])],

  [libc_mips_abi=o32],

  [AC_COMPILE_IFELSE(

    [AC_LANG_PROGRAM([

      #if (_MIPS_SIM != _ABIN32)

      #error Not N32 ABI

      #endif])],

    [libc_mips_abi=n32],

    [AC_COMPILE_IFELSE(

      [AC_LANG_PROGRAM([

        #if (_MIPS_SIM != _ABI64)

        #error Not 64 ABI

        #endif])],

      [libc_mips_abi=n64],

      [])])])

if test -z "$libc_mips_abi"; then

  AC_MSG_ERROR([could not determine what ABI the compiler is using])

fi

AC_COMPILE_IFELSE(

  [AC_LANG_PROGRAM([

    #if !defined(__mips_soft_float)

    #error Not soft ABI

    #endif])],

  [libc_mips_float=soft],

  [AC_COMPILE_IFELSE(

    [AC_LANG_PROGRAM([

      #if !defined(__mips_hard_float)

      #error Not hard ABI

      #endif])],

    [libc_mips_float=hard],

    [])])

if test -z "$libc_mips_float"; then

  AC_MSG_ERROR([could not determine if compiler is using hard or soft floating point ABI])

fi

libc_mips_o32_fp=

libc_cv_mips_fp64=

libc_cv_mips_modd_spreg=

if test x"$libc_mips_abi" = xo32 -a x"$libc_mips_float" = xhard; then

  AC_COMPILE_IFELSE(

    [AC_LANG_PROGRAM([

      #if !defined(__mips_fpr)

      #error Missing FPR sizes

      #endif])],

    [AC_COMPILE_IFELSE(

      [AC_LANG_PROGRAM([

        #if (__mips_fpr != 32)

        #error Not FP32

        #endif])],

      [libc_mips_o32_fp=32],

      [AC_COMPILE_IFELSE(

        [AC_LANG_PROGRAM([

          #if (__mips_fpr != 0) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)

          #error Not FPXX (without odd single-precision registers)

          #endif])],

        [libc_mips_o32_fp=xx],

        [AC_COMPILE_IFELSE(

          [AC_LANG_PROGRAM([

            #if (__mips_fpr != 0)

            #error Not FPXX (with odd single precision registers)

            #endif])],

          [libc_mips_o32_fp=xxo],

          [AC_COMPILE_IFELSE(

            [AC_LANG_PROGRAM([

              #if (__mips_fpr != 64) || !defined(_MIPS_SPFPSET) || (_MIPS_SPFPSET != 16)

              #error Not FP64A

              #endif])],

            [libc_mips_o32_fp=64a],

            [AC_COMPILE_IFELSE(

              [AC_LANG_PROGRAM([

                #if (__mips_fpr != 64)

                #error Not FP64

                #endif])],

              [libc_mips_o32_fp=64],

              [])])])])])],

    [])

  LIBC_TRY_CC_OPTION([-mfp64], [libc_cv_mips_fp64=yes], [libc_cv_mips_fp64=no])

  LIBC_TRY_CC_OPTION([-Werror -modd-spreg], [libc_cv_mips_modd_spreg=yes], [libc_cv_mips_modd_spreg=no])

fi

LIBC_CONFIG_VAR([o32-fpabi],[${libc_mips_o32_fp}])

LIBC_CONFIG_VAR([has-mpf64],[${libc_cv_mips_fp64}])

LIBC_CONFIG_VAR([has-modd-spreg],[${libc_cv_mips_modd_spreg}])

AC_COMPILE_IFELSE(

  [AC_LANG_PROGRAM([

    #include <linux/prctl.h>

    #if !defined(PR_GET_FP_MODE) || !defined(PR_SET_FP_MODE)

    #error New prctl support for setting FP modes not found

    #endif])],

  [libc_mips_mode_switch=yes],

  [libc_mips_mode_switch=no])

LIBC_CONFIG_VAR([mips-mode-switch],[${libc_mips_mode_switch}])

AC_CACHE_CHECK([whether the compiler is using the 2008 NaN encoding],

  libc_cv_mips_nan2008, [AC_EGREP_CPP(yes, [dnl

#ifdef __mips_nan2008

yes

#endif], libc_cv_mips_nan2008=yes, libc_cv_mips_nan2008=no)])

libc_mips_nan=

if test x"$libc_cv_mips_nan2008" = xyes; then

  libc_mips_nan=_2008

fi

LIBC_CONFIG_VAR([default-abi],

  [${libc_mips_abi}_${libc_mips_float}${libc_mips_nan}])

case $machine in

mips/mips64/n64/*)

  LIBC_SLIBDIR_RTLDDIR([lib64], [lib64])

  ;;

mips/mips64/n32/*)

  LIBC_SLIBDIR_RTLDDIR([lib32], [lib32])

  ;;

esac

libc_cv_gcc_unwind_find_fde=yes

if test -z "$arch_minimum_kernel"; then

  if test x$libc_cv_mips_nan2008 = xyes; then

    arch_minimum_kernel=4.5.0

  fi

fi