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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
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 "$prefix" in
/usr | /usr/)
# 64-bit libraries on bi-arch platforms go in /lib64 instead of /lib.
# Allow earlier configure scripts to handle libc_cv_slibdir, libdir,
# and libc_cv_localedir.
test -n "$libc_cv_slibdir" || \
case $machine in
mips/mips64/n64/* )
libc_cv_slibdir="/lib64"
if test "$libdir" = '${exec_prefix}/lib'; then
libdir='${exec_prefix}/lib64';
# Locale data can be shared between 32bit and 64bit libraries
libc_cv_localedir='${exec_prefix}/lib/locale'
fi
;;
mips/mips64/n32/* )
libc_cv_slibdir="/lib32"
if test "$libdir" = '${exec_prefix}/lib'; then
libdir='${exec_prefix}/lib32';
# Locale data can be shared between 32bit and 64bit libraries
libc_cv_localedir='${exec_prefix}/lib/locale'
fi
;;
*)
libc_cv_slibdir="/lib"
;;
esac
esac
libc_cv_gcc_unwind_find_fde=yes
if test -z "$arch_minimum_kernel"; then
if test x$libc_cv_mips_nan2008 = xyes; then
# FIXME: Adjust this setting to the actual first upstream kernel
# version to support the 2008 NaN encoding and then remove this
# comment.
arch_minimum_kernel=10.0.0
fi
fi
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