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Diffstat (limited to 'gl/m4/intdiv0.m4')
-rw-r--r-- | gl/m4/intdiv0.m4 | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gl/m4/intdiv0.m4 b/gl/m4/intdiv0.m4 deleted file mode 100644 index 74d0e80..0000000 --- a/gl/m4/intdiv0.m4 +++ /dev/null | |||
@@ -1,87 +0,0 @@ | |||
1 | # intdiv0.m4 serial 6 (gettext-0.18.2) | ||
2 | dnl Copyright (C) 2002, 2007-2008, 2010-2013 Free Software Foundation, Inc. | ||
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 | dnl From Bruno Haible. | ||
8 | |||
9 | AC_DEFUN([gt_INTDIV0], | ||
10 | [ | ||
11 | AC_REQUIRE([AC_PROG_CC])dnl | ||
12 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | ||
13 | |||
14 | AC_CACHE_CHECK([whether integer division by zero raises SIGFPE], | ||
15 | gt_cv_int_divbyzero_sigfpe, | ||
16 | [ | ||
17 | gt_cv_int_divbyzero_sigfpe= | ||
18 | changequote(,)dnl | ||
19 | case "$host_os" in | ||
20 | macos* | darwin[6-9]* | darwin[1-9][0-9]*) | ||
21 | # On Mac OS X 10.2 or newer, just assume the same as when cross- | ||
22 | # compiling. If we were to perform the real test, 1 Crash Report | ||
23 | # dialog window would pop up. | ||
24 | case "$host_cpu" in | ||
25 | i[34567]86 | x86_64) | ||
26 | gt_cv_int_divbyzero_sigfpe="guessing yes" ;; | ||
27 | esac | ||
28 | ;; | ||
29 | esac | ||
30 | changequote([,])dnl | ||
31 | if test -z "$gt_cv_int_divbyzero_sigfpe"; then | ||
32 | AC_RUN_IFELSE( | ||
33 | [AC_LANG_SOURCE([[ | ||
34 | #include <stdlib.h> | ||
35 | #include <signal.h> | ||
36 | |||
37 | static void | ||
38 | sigfpe_handler (int sig) | ||
39 | { | ||
40 | /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */ | ||
41 | exit (sig != SIGFPE); | ||
42 | } | ||
43 | |||
44 | int x = 1; | ||
45 | int y = 0; | ||
46 | int z; | ||
47 | int nan; | ||
48 | |||
49 | int main () | ||
50 | { | ||
51 | signal (SIGFPE, sigfpe_handler); | ||
52 | /* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */ | ||
53 | #if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP) | ||
54 | signal (SIGTRAP, sigfpe_handler); | ||
55 | #endif | ||
56 | /* Linux/SPARC yields signal SIGILL. */ | ||
57 | #if defined (__sparc__) && defined (__linux__) | ||
58 | signal (SIGILL, sigfpe_handler); | ||
59 | #endif | ||
60 | |||
61 | z = x / y; | ||
62 | nan = y / y; | ||
63 | exit (2); | ||
64 | } | ||
65 | ]])], | ||
66 | [gt_cv_int_divbyzero_sigfpe=yes], | ||
67 | [gt_cv_int_divbyzero_sigfpe=no], | ||
68 | [ | ||
69 | # Guess based on the CPU. | ||
70 | changequote(,)dnl | ||
71 | case "$host_cpu" in | ||
72 | alpha* | i[34567]86 | x86_64 | m68k | s390*) | ||
73 | gt_cv_int_divbyzero_sigfpe="guessing yes";; | ||
74 | *) | ||
75 | gt_cv_int_divbyzero_sigfpe="guessing no";; | ||
76 | esac | ||
77 | changequote([,])dnl | ||
78 | ]) | ||
79 | fi | ||
80 | ]) | ||
81 | case "$gt_cv_int_divbyzero_sigfpe" in | ||
82 | *yes) value=1;; | ||
83 | *) value=0;; | ||
84 | esac | ||
85 | AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value], | ||
86 | [Define if integer division by zero raises signal SIGFPE.]) | ||
87 | ]) | ||