92 lines
2.7 KiB
Diff
92 lines
2.7 KiB
Diff
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diff -uNr gtk-3.22.30/m4/intdiv0.m4 gtk-3.22.30.mod/m4/intdiv0.m4
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--- gtk-3.22.30/m4/intdiv0.m4 1970-01-01 03:00:00.000000000 +0300
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+++ gtk-3.22.30.mod/m4/intdiv0.m4 2018-06-22 20:55:46.574626255 +0300
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@@ -0,0 +1,87 @@
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+# intdiv0.m4 serial 6 (gettext-0.18.2)
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+dnl Copyright (C) 2002, 2007-2008, 2010-2015 Free Software Foundation, Inc.
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+dnl This file is free software; the Free Software Foundation
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+dnl gives unlimited permission to copy and/or distribute it,
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+dnl with or without modifications, as long as this notice is preserved.
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+
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+dnl From Bruno Haible.
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+
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+AC_DEFUN([gt_INTDIV0],
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+[
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+ AC_REQUIRE([AC_PROG_CC])dnl
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+ AC_REQUIRE([AC_CANONICAL_HOST])dnl
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+
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+ AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
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+ gt_cv_int_divbyzero_sigfpe,
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+ [
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+ gt_cv_int_divbyzero_sigfpe=
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+changequote(,)dnl
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+ case "$host_os" in
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+ macos* | darwin[6-9]* | darwin[1-9][0-9]*)
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+ # On Mac OS X 10.2 or newer, just assume the same as when cross-
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+ # compiling. If we were to perform the real test, 1 Crash Report
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+ # dialog window would pop up.
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+ case "$host_cpu" in
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+ i[34567]86 | x86_64)
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+ gt_cv_int_divbyzero_sigfpe="guessing yes" ;;
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+ esac
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+ ;;
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+ esac
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+changequote([,])dnl
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+ if test -z "$gt_cv_int_divbyzero_sigfpe"; then
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+ AC_RUN_IFELSE(
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+ [AC_LANG_SOURCE([[
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+#include <stdlib.h>
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+#include <signal.h>
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+
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+static void
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+sigfpe_handler (int sig)
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+{
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+ /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
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+ exit (sig != SIGFPE);
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+}
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+
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+int x = 1;
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+int y = 0;
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+int z;
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+int nan;
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+
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+int main ()
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+{
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+ signal (SIGFPE, sigfpe_handler);
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+/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */
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+#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
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+ signal (SIGTRAP, sigfpe_handler);
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+#endif
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+/* Linux/SPARC yields signal SIGILL. */
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+#if defined (__sparc__) && defined (__linux__)
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+ signal (SIGILL, sigfpe_handler);
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+#endif
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+
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+ z = x / y;
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+ nan = y / y;
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+ exit (2);
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+}
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+]])],
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+ [gt_cv_int_divbyzero_sigfpe=yes],
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+ [gt_cv_int_divbyzero_sigfpe=no],
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+ [
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+ # Guess based on the CPU.
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+changequote(,)dnl
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+ case "$host_cpu" in
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+ alpha* | i[34567]86 | x86_64 | m68k | s390*)
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+ gt_cv_int_divbyzero_sigfpe="guessing yes";;
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+ *)
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+ gt_cv_int_divbyzero_sigfpe="guessing no";;
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+ esac
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+changequote([,])dnl
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+ ])
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+ fi
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+ ])
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+ case "$gt_cv_int_divbyzero_sigfpe" in
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+ *yes) value=1;;
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+ *) value=0;;
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+ esac
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+ AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value],
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+ [Define if integer division by zero raises signal SIGFPE.])
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+])
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