projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 0b51ce00 AK |
1 | dnl @synopsis GCC_AC_ENABLE_DECIMAL_FLOAT([target triplet]) |
| 2 | dnl | |
| 3 | dnl Enable C extension for decimal float if target supports it. | |
| 4 | dnl | |
| 5 | dnl @author Andreas Krebbel <Andreas.Krebbel@de.ibm.com> | |
| 6 | ||
| 7 | AC_DEFUN([GCC_AC_ENABLE_DECIMAL_FLOAT], | |
| 8 | [ | |
| 9 | AC_ARG_ENABLE(decimal-float, | |
| 10 | [ --enable-decimal-float={no,yes,bid,dpd} | |
| 11 | enable decimal float extension to C. Selecting 'bid' | |
| 12 | or 'dpd' choses which decimal floating point format | |
| 13 | to use], | |
| 14 | [ | |
| 15 | case $enable_decimal_float in | |
| 16 | yes | no | bid | dpd) ;; | |
| 17 | *) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float. | |
| 18 | Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;; | |
| 19 | esac | |
| 20 | ], | |
| 21 | [ | |
| 22 | case $1 in | |
| 23 | powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux*) | |
| 24 | enable_decimal_float=yes | |
| 25 | ;; | |
| 26 | *) | |
| 27 | AC_MSG_WARN(decimal float is not supported for this target, ignored) | |
| 28 | enable_decimal_float=no | |
| 29 | ;; | |
| 30 | esac | |
| 31 | ]) | |
| 32 | ||
| 33 | # x86's use BID format instead of DPD | |
| 34 | case x$enable_decimal_float in | |
| 35 | xyes) | |
| 36 | case $1 in | |
| 37 | i?86*-*-* | x86_64*-*-*) | |
| 38 | enable_decimal_float=bid | |
| 39 | ;; | |
| 40 | *) | |
| 41 | enable_decimal_float=dpd | |
| 42 | ;; | |
| 43 | esac | |
| 44 | ;; | |
| 45 | xno) | |
| 46 | # ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper | |
| 47 | # dependency on libdecnumber. | |
| 48 | enable_decimal_float=dpd | |
| 49 | ;; | |
| 50 | esac | |
| 51 | AC_SUBST(enable_decimal_float) | |
| 52 | ||
| 53 | ]) |