-# alloca.m4 serial 12
-dnl Copyright (C) 2002-2004, 2006-2007, 2009-2011 Free Software Foundation,
+# alloca.m4 serial 14
+dnl Copyright (C) 2002-2004, 2006-2007, 2009-2012 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
# _AC_LIBOBJ_ALLOCA
# -----------------
-# Set up the LIBOBJ replacement of `alloca'. Well, not exactly
-# AC_LIBOBJ since we actually set the output variable `ALLOCA'.
+# Set up the LIBOBJ replacement of 'alloca'. Well, not exactly
+# AC_LIBOBJ since we actually set the output variable 'ALLOCA'.
# Nevertheless, for Automake, AC_LIBSOURCES it.
m4_define([_AC_LIBOBJ_ALLOCA],
[# The SVR3 libPW and SVR4 libucb both contain incompatible functions
# use ar to extract alloca.o from them instead of compiling alloca.c.
AC_LIBSOURCES(alloca.c)
AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.$ac_objext])dnl
-AC_DEFINE(C_ALLOCA, 1, [Define to 1 if using `alloca.c'.])
+AC_DEFINE(C_ALLOCA, 1, [Define to 1 if using 'alloca.c'.])
-AC_CACHE_CHECK(whether `alloca.c' needs Cray hooks, ac_cv_os_cray,
+AC_CACHE_CHECK(whether 'alloca.c' needs Cray hooks, ac_cv_os_cray,
[AC_EGREP_CPP(webecray,
[#if defined CRAY && ! defined CRAY2
webecray
if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
AC_CHECK_FUNC($ac_func,
- [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
- [Define to one of `_getb67', `GETB67',
- `getb67' for Cray-2 and Cray-YMP
- systems. This function is required for
- `alloca.c' support on those systems.])
+ [AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
+ [Define to one of '_getb67', 'GETB67',
+ 'getb67' for Cray-2 and Cray-YMP
+ systems. This function is required for
+ 'alloca.c' support on those systems.])
break])
done
fi
AC_CACHE_CHECK([stack direction for C alloca],
- [ac_cv_c_stack_direction],
+ [ac_cv_c_stack_direction],
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[AC_INCLUDES_DEFAULT
int
{
return find_stack_direction (0, argc + !argv + 20) < 0;
}])],
- [ac_cv_c_stack_direction=1],
- [ac_cv_c_stack_direction=-1],
- [ac_cv_c_stack_direction=0])])
+ [ac_cv_c_stack_direction=1],
+ [ac_cv_c_stack_direction=-1],
+ [ac_cv_c_stack_direction=0])])
AH_VERBATIM([STACK_DIRECTION],
[/* If using the C implementation of alloca, define if you know the
direction of stack growth for your system; otherwise it will be
automatically deduced at runtime.
- STACK_DIRECTION > 0 => grows toward higher addresses
- STACK_DIRECTION < 0 => grows toward lower addresses
- STACK_DIRECTION = 0 => direction of growth unknown */
+ STACK_DIRECTION > 0 => grows toward higher addresses
+ STACK_DIRECTION < 0 => grows toward lower addresses
+ STACK_DIRECTION = 0 => direction of growth unknown */
@%:@undef STACK_DIRECTION])dnl
AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
])# _AC_LIBOBJ_ALLOCA