"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "m4/intdiv0.m4" between
libextractor-1.8.tar.gz and libextractor-1.9.tar.gz

About: GNU libextractor is a library used to extract meta-data from files of arbitrary type.

intdiv0.m4  (libextractor-1.8):intdiv0.m4  (libextractor-1.9)
# intdiv0.m4 serial 1 (gettext-0.11.3) # intdiv0.m4 serial 6 (gettext-0.18.2)
dnl Copyright (C) 2002 Free Software Foundation, Inc. dnl Copyright (C) 2002, 2007-2008, 2010-2016 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it, dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved. dnl with or without modifications, as long as this notice is preserved.
dnl From Bruno Haible. dnl From Bruno Haible.
AC_DEFUN([gt_INTDIV0], AC_DEFUN([gt_INTDIV0],
[ [
AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_CACHE_CHECK([whether integer division by zero raises SIGFPE], AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
gt_cv_int_divbyzero_sigfpe, gt_cv_int_divbyzero_sigfpe,
[ [
AC_TRY_RUN([ gt_cv_int_divbyzero_sigfpe=
changequote(,)dnl
case "$host_os" in
macos* | darwin[6-9]* | darwin[1-9][0-9]*)
# On Mac OS X 10.2 or newer, just assume the same as when cross-
# compiling. If we were to perform the real test, 1 Crash Report
# dialog window would pop up.
case "$host_cpu" in
i[34567]86 | x86_64)
gt_cv_int_divbyzero_sigfpe="guessing yes" ;;
esac
;;
esac
changequote([,])dnl
if test -z "$gt_cv_int_divbyzero_sigfpe"; then
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdlib.h> #include <stdlib.h>
#include <signal.h> #include <signal.h>
static void static void
#ifdef __cplusplus
sigfpe_handler (int sig) sigfpe_handler (int sig)
#else
sigfpe_handler (sig) int sig;
#endif
{ {
/* Exit with code 0 if SIGFPE, with code 1 if any other signal. */ /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */
exit (sig != SIGFPE); _exit (sig != SIGFPE);
} }
int x = 1; int x = 1;
int y = 0; int y = 0;
int z; int z;
int nan; int nan;
int main () int main ()
{ {
signal (SIGFPE, sigfpe_handler); signal (SIGFPE, sigfpe_handler);
skipping to change at line 51 skipping to change at line 63
#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP) #if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
signal (SIGTRAP, sigfpe_handler); signal (SIGTRAP, sigfpe_handler);
#endif #endif
/* Linux/SPARC yields signal SIGILL. */ /* Linux/SPARC yields signal SIGILL. */
#if defined (__sparc__) && defined (__linux__) #if defined (__sparc__) && defined (__linux__)
signal (SIGILL, sigfpe_handler); signal (SIGILL, sigfpe_handler);
#endif #endif
z = x / y; z = x / y;
nan = y / y; nan = y / y;
exit (1); exit (2);
} }
], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no, ]])],
[ [gt_cv_int_divbyzero_sigfpe=yes],
# Guess based on the CPU. [gt_cv_int_divbyzero_sigfpe=no],
case "$host_cpu" in [
alpha* | i[34567]86 | m68k | s390*) # Guess based on the CPU.
gt_cv_int_divbyzero_sigfpe="guessing yes";; changequote(,)dnl
*) case "$host_cpu" in
gt_cv_int_divbyzero_sigfpe="guessing no";; alpha* | i[34567]86 | x86_64 | m68k | s390*)
esac gt_cv_int_divbyzero_sigfpe="guessing yes";;
]) *)
gt_cv_int_divbyzero_sigfpe="guessing no";;
esac
changequote([,])dnl
])
fi
]) ])
case "$gt_cv_int_divbyzero_sigfpe" in case "$gt_cv_int_divbyzero_sigfpe" in
*yes) value=1;; *yes) value=1;;
*) value=0;; *) value=0;;
esac esac
AC_DEFINE_UNQUOTED(INTDIV0_RAISES_SIGFPE, $value, AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value],
[Define if integer division by zero raises signal SIGFPE.]) [Define if integer division by zero raises signal SIGFPE.])
]) ])
 End of changes. 8 change blocks. 
20 lines changed or deleted 37 lines changed or added

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