HCoop / bpt / guile.git / blame
| Commit | Line | Data |
|---|---|---|
| 231c0e0e | 1 | # float_h.m4 serial 7 |
| 49114fd4 | 2 | dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc. |
| c4b681fd LC |
3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, | |
| 5 | dnl with or without modifications, as long as this notice is preserved. | |
| 6 | ||
| 7 | AC_DEFUN([gl_FLOAT_H], | |
| 8 | [ | |
| 9 | AC_REQUIRE([AC_PROG_CC]) | |
| 10 | AC_REQUIRE([AC_CANONICAL_HOST]) | |
| 11 | FLOAT_H= | |
| 231c0e0e | 12 | REPLACE_FLOAT_LDBL=0 |
| c4b681fd | 13 | case "$host_os" in |
| 231c0e0e | 14 | aix* | beos* | openbsd* | mirbsd* | irix*) |
| c4b681fd | 15 | FLOAT_H=float.h |
| 231c0e0e LC |
16 | ;; |
| 17 | freebsd*) | |
| 18 | case "$host_cpu" in | |
| 19 | changequote(,)dnl | |
| 20 | i[34567]86 ) | |
| 21 | changequote([,])dnl | |
| 22 | FLOAT_H=float.h | |
| 23 | ;; | |
| 24 | x86_64 ) | |
| 25 | # On x86_64 systems, the C compiler may still be generating | |
| 26 | # 32-bit code. | |
| 27 | AC_EGREP_CPP([yes], | |
| 28 | [#if defined __LP64__ || defined __x86_64__ || defined __amd64__ | |
| 29 | yes | |
| 30 | #endif], | |
| 31 | [], | |
| 32 | [FLOAT_H=float.h]) | |
| 33 | ;; | |
| 34 | esac | |
| 35 | ;; | |
| 36 | esac | |
| 37 | case "$host_os" in | |
| 38 | aix* | freebsd*) | |
| 39 | if test -n "$FLOAT_H"; then | |
| 40 | REPLACE_FLOAT_LDBL=1 | |
| 41 | fi | |
| c4b681fd LC |
42 | ;; |
| 43 | esac | |
| 231c0e0e LC |
44 | if test -n "$FLOAT_H"; then |
| 45 | gl_NEXT_HEADERS([float.h]) | |
| 46 | fi | |
| c4b681fd | 47 | AC_SUBST([FLOAT_H]) |
| dd7d0148 | 48 | AM_CONDITIONAL([GL_GENERATE_FLOAT_H], [test -n "$FLOAT_H"]) |
| c4b681fd | 49 | ]) |