File: dfp.m4

package info (click to toggle)
gdb 8.2.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 223,696 kB
  • sloc: ansic: 1,936,156; asm: 341,757; exp: 146,606; makefile: 56,749; sh: 23,776; cpp: 20,830; yacc: 12,914; perl: 5,331; ada: 4,977; python: 4,617; xml: 4,176; pascal: 3,134; lisp: 1,527; cs: 879; lex: 620; f90: 479; sed: 228; awk: 140; objc: 134; fortran: 43
file content (57 lines) | stat: -rw-r--r-- 1,525 bytes parent folder | download | duplicates (25)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
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* | \
    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)

])