mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-25 02:03:37 +08:00
0b4d000cc4
config: Merge from GCC: 2018-10-28 Iain Buclaw <ibuclaw@gdcproject.org> * multi.m4: Set GDC. 2018-07-05 James Clarke <jrtc27@jrtc27.com> * dfp.m4 (enable_decimal_float): Enable for x86_64*-*-gnu* to catch x86_64 kFreeBSD and Hurd. libdecnumber: * configure: Regenerate. zlib: * configure: Regenerate.
58 lines
1.5 KiB
Plaintext
58 lines
1.5 KiB
Plaintext
dnl @synopsis GCC_AC_ENABLE_DECIMAL_FLOAT([target triplet])
|
|
dnl
|
|
dnl Enable C extension for decimal float if target supports it.
|
|
dnl
|
|
dnl @author Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
|
|
|
|
AC_DEFUN([GCC_AC_ENABLE_DECIMAL_FLOAT],
|
|
[
|
|
AC_ARG_ENABLE(decimal-float,
|
|
[ --enable-decimal-float={no,yes,bid,dpd}
|
|
enable decimal float extension to C. Selecting 'bid'
|
|
or 'dpd' choses which decimal floating point format
|
|
to use],
|
|
[
|
|
case $enable_decimal_float in
|
|
yes | no | bid | dpd) default_decimal_float=$enable_decimal_float ;;
|
|
*) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
|
|
Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
|
|
esac
|
|
],
|
|
[
|
|
case $1 in
|
|
powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
|
|
i?86*-*-elfiamcu | i?86*-*-gnu* | x86_64*-*-gnu* | \
|
|
i?86*-*-mingw* | x86_64*-*-mingw* | \
|
|
i?86*-*-cygwin* | x86_64*-*-cygwin*)
|
|
enable_decimal_float=yes
|
|
;;
|
|
*)
|
|
AC_MSG_WARN([decimal float is not supported for this target, ignored])
|
|
enable_decimal_float=no
|
|
;;
|
|
esac
|
|
])
|
|
|
|
# x86's use BID format instead of DPD
|
|
case x$enable_decimal_float in
|
|
xyes)
|
|
case $1 in
|
|
i?86*-*-* | x86_64*-*-*)
|
|
enable_decimal_float=bid
|
|
;;
|
|
*)
|
|
enable_decimal_float=dpd
|
|
;;
|
|
esac
|
|
default_decimal_float=$enable_decimal_float
|
|
;;
|
|
xno)
|
|
# ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper
|
|
# dependency on libdecnumber.
|
|
default_decimal_float=dpd
|
|
;;
|
|
esac
|
|
AC_SUBST(enable_decimal_float)
|
|
|
|
])
|