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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [config/] [dfp.m4] - Rev 144
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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 $1 in powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \ i?86*-*-mingw* | x86_64*-*-mingw* | \ i?86*-*-cygwin*) enable_decimal_float=yes ;; *) AC_MSG_WARN([decimal float is not supported for this target, ignored]) enable_decimal_float=no ;; esac ]) # x86's use BID format instead of DPD case x$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) ])
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