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configure.ac (mips*-sde-elf*): New stanza.

Browse source 
* configure.ac (mips*-sde-elf*): New stanza.  Add target-libiberty
	to $skipdirs and only disable gprof for newlib.  Use the normal
	mips*-elf* handling in other respects.
	* configure: Regnerate.

gcc/
2007-xx-xx  Nigel Stephens  <nigel@mips.com>
	    David Ung  <davidu@mips.com>
	    Thiemo Seufer  <ths@mips.com>
	    Richard Sandiford  <richard@codesourcery.com>

	* config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
	* configure.ac: Add a mipssde threading type.
	* configure: Regenerate.
	* config/mips/sdemtk.h: New file.
	* config/mips/t-sdemtk: Likewise.
	* config/mips/sdemtk.opt: Likewise.
	* gthr-mipssde.h: Likewise.
	* config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
	* config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
	(MIPS_ICACHE_SYNC): New macro, split from ...
	* config/mips/mips.md (clear_cache): ...here.
	* config/mips/mips.c (mips_save_reg_p): Check
	MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
	(build_mips16_function_stub): Use targetm.strip_name_encoding.
	(build_mips16_call_stub): Likewise.

libstdc++-v3/
2007-xx-xx  Thiemo Seufer  <ths@mips.com>

	* crossconfig.m4 (mips*-sde-elf*): New stanza.
	* configure: Regenerate.

From-SVN: r128495
This commit is contained in:
Richard Sandiford 2007-09-14 14:50:26 +00:00
parent ea4ba34285
commit d9dced1370
18 changed files with 21497 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-09-14 Richard Sandiford <richard@codesourcery.com>
* configure.ac (mips*-sde-elf*): New stanza. Add target-libiberty
to $skipdirs and only disable gprof for newlib. Use the normal
mips*-elf* handling in other respects.
* configure: Regnerate.
2007-09-12 David Daney <ddaney@avtrex.com>
* configure.ac: Remove mips64*-*-linux* noconfigdirs section, thus

8
configure vendored
View file

@ -2506,6 +2506,14 @@ case "${target}" in
m68k-apollo-*)
noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
;;
mips*-sde-elf*)
skipdirs="$skipdirs target-libiberty"
noconfigdirs="$noconfigdirs ${libgcj}"
if test x$with_newlib = xyes; then
noconfigdirs="$noconfigdirs gprof"
fi
libgloss_dir=mips
;;
mips*-*-irix5*)
noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;

8
configure.ac
View file

@ -782,6 +782,14 @@ case "${target}" in
m68k-apollo-*)
noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
;;
mips*-sde-elf*)
skipdirs="$skipdirs target-libiberty"
noconfigdirs="$noconfigdirs ${libgcj}"
if test x$with_newlib = xyes; then
noconfigdirs="$noconfigdirs gprof"
fi
libgloss_dir=mips
;;
mips*-*-irix5*)
noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
;;

21
gcc/ChangeLog
View file

@ -1,3 +1,24 @@
2007-09-14 Nigel Stephens <nigel@mips.com>
David Ung <davidu@mips.com>
Thiemo Seufer <ths@mips.com>
Richard Sandiford <richard@codesourcery.com>
* config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
* configure.ac: Add a mipssde threading type.
* configure: Regenerate.
* config/mips/sdemtk.h: New file.
* config/mips/t-sdemtk: Likewise.
* config/mips/sdemtk.opt: Likewise.
* gthr-mipssde.h: Likewise.
* config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
* config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
(MIPS_ICACHE_SYNC): New macro, split from ...
* config/mips/mips.md (clear_cache): ...here.
* config/mips/mips.c (mips_save_reg_p): Check
MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
(build_mips16_function_stub): Use targetm.strip_name_encoding.
(build_mips16_call_stub): Likewise.
2007-09-14 Richard Sandiford <richard@codesourcery.com>
* Makefile.in (stmp-int-hdrs): Depend on fixinc_list.

16
gcc/config.gcc
View file

@ -1688,6 +1688,22 @@ mips*-*-openbsd*)
mips*-sde-elf*)
tm_file="elfos.h ${tm_file} mips/elf.h mips/sde.h"
tmake_file="mips/t-sde mips/t-libgcc-mips16"
case "${with_newlib}" in
yes)
# newlib / libgloss.
;;
*)
# MIPS toolkit libraries.
tm_file="$tm_file mips/sdemtk.h"
tmake_file="$tmake_file mips/t-sdemtk"
extra_options="$extra_options mips/sdemtk.opt"
case ${enable_threads} in
"" | yes | mipssde)
thread_file='mipssde'
;;
esac
;;
esac
case ${target} in
mipsisa32r2*)
tm_defines="MIPS_ISA_DEFAULT=33 MIPS_ABI_DEFAULT=ABI_32"

7
gcc/config/mips/mips.c
View file

@ -7473,6 +7473,10 @@ mips_save_reg_p (unsigned int regno)
if (regno == HARD_FRAME_POINTER_REGNUM && frame_pointer_needed)
return true;
/* Check for registers that must be saved for FUNCTION_PROFILER. */
if (current_function_profile && MIPS_SAVE_REG_FOR_PROFILING_P (regno))
return true;
/* We need to save the incoming return address if it is ever clobbered
within the function, if __builtin_eh_return is being used to set a
different return address, or if a stub is being used to return a
@ -9701,6 +9705,7 @@ build_mips16_function_stub (FILE *file)
unsigned int f;
fnname = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0);
fnname = targetm.strip_name_encoding (fnname);
secname = (char *) alloca (strlen (fnname) + 20);
sprintf (secname, ".mips16.fn.%s", fnname);
stubname = (char *) alloca (strlen (fnname) + 20);
@ -9937,7 +9942,7 @@ build_mips16_call_stub (rtx retval, rtx fn, rtx arg_size, int fp_code)
/* We know the function we are going to call. If we have already
built a stub, we don't need to do anything further. */
fnname = XSTR (fn, 0);
fnname = targetm.strip_name_encoding (XSTR (fn, 0));
for (l = mips16_stubs; l != NULL; l = l->next)
if (strcmp (l->name, fnname) == 0)
break;

10
gcc/config/mips/mips.h
View file

@ -2152,6 +2152,9 @@ typedef struct mips_args {
fprintf (FILE, "\t.set\tat\n"); \
}
/* The profiler preserves all interesting registers, including $31. */
#define MIPS_SAVE_REG_FOR_PROFILING_P(REGNO) false
/* No mips port has ever used the profiler counter word, so don't emit it
or the label for it. */
@ -2227,6 +2230,13 @@ typedef struct mips_args {
#define CACHE_FLUSH_FUNC "_flush_cache"
#endif
#define MIPS_ICACHE_SYNC(ADDR, SIZE) \
/* Flush both caches. We need to flush the data cache in case \
the system has a write-back cache. */ \
emit_library_call (gen_rtx_SYMBOL_REF (Pmode, mips_cache_flush_func), \
0, VOIDmode, 3, ADDR, Pmode, SIZE, Pmode, \
GEN_INT (3), TYPE_MODE (integer_type_node))
/* A C statement to initialize the variable parts of a trampoline.
ADDR is an RTX for the address of the trampoline; FNADDR is an
RTX for the address of the nested function; STATIC_CHAIN is an

8
gcc/config/mips/mips.md
View file

@ -4274,12 +4274,8 @@
{
rtx len = gen_reg_rtx (Pmode);
emit_insn (gen_sub3_insn (len, operands[1], operands[0]));
/* Flush both caches. We need to flush the data cache in case
the system has a write-back cache. */
emit_library_call (gen_rtx_SYMBOL_REF (Pmode, mips_cache_flush_func),
0, VOIDmode, 3, operands[0], Pmode, len, Pmode,
GEN_INT (3), TYPE_MODE (integer_type_node));
}
MIPS_ICACHE_SYNC (operands[0], len);
}
DONE;
}")

13
gcc/config/mips/sde.h
View file

@ -130,19 +130,6 @@ Boston, MA 02111-1307, USA. */
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
#endif
/* This version of _mcount does not pop 2 words from the stack. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
{ \
fprintf (FILE, "\t.set\tnoat\n"); \
/* MIPS16 code passes saved $ra in $v1 instead of $at. */ \
fprintf (FILE, "\tmove\t%s,%s\n", \
reg_names[GP_REG_FIRST + (TARGET_MIPS16 ? 3 : 1)], \
reg_names[GP_REG_FIRST + 31]); \
fprintf (FILE, "\tjal\t_mcount\n"); \
fprintf (FILE, "\t.set\tat\n"); \
}
/* Force all .init and .fini entries to be 32-bit, not mips16, so that
in a mixed environment they are all the same mode. The crti.asm and
crtn.asm files will also be compiled as 32-bit due to the

108
gcc/config/mips/sdemtk.h Normal file
View file

@ -0,0 +1,108 @@
/* Definitions of target machine for GNU compiler.
MIPS SDE version, for use with the SDE C library rather than newlib.
Copyright (C) 2007
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
builtin_assert ("system=sde"); \
builtin_assert ("system=posix"); \
builtin_define ("__SDE_MIPS__"); \
\
/* Deprecated: use __mips_isa_rev >= 2. */ \
if (ISA_MIPS32R2) \
builtin_define ("__mipsr2"); \
\
/* Deprecated: use __mips_fpr == 64. */ \
if (TARGET_FLOAT64) \
builtin_define ("__mipsfp64"); \
\
if (TARGET_NO_FLOAT) \
{ \
builtin_define ("__NO_FLOAT"); \
builtin_define ("__mips_no_float"); \
} \
else if (TARGET_SOFT_FLOAT_ABI) \
builtin_define ("__SOFT_FLOAT"); \
else if (TARGET_SINGLE_FLOAT) \
builtin_define ("__SINGLE_FLOAT"); \
\
if (TARGET_BIG_ENDIAN) \
{ \
builtin_assert ("endian=big"); \
builtin_assert ("cpu=mipseb"); \
} \
else \
{ \
builtin_assert ("endian=little"); \
builtin_assert ("cpu=mipsel"); \
} \
} \
while (0)
#undef SUBTARGET_OVERRIDE_OPTIONS
#define SUBTARGET_OVERRIDE_OPTIONS \
do \
{ \
if (TARGET_NO_FLOAT) \
{ \
target_flags |= MASK_SOFT_FLOAT_ABI; \
target_flags_explicit |= MASK_SOFT_FLOAT_ABI; \
} \
} \
while (0)
/* For __clear_cache in libgcc2.c. */
#ifdef IN_LIBGCC2
extern void mips_sync_icache (void *beg, unsigned long len);
#undef CLEAR_INSN_CACHE
#define CLEAR_INSN_CACHE(beg, end) \
mips_sync_icache (beg, end - beg)
#endif
/* For mips_cache_flush_func in mips.opt. */
#undef CACHE_FLUSH_FUNC
#define CACHE_FLUSH_FUNC "mips_sync_icache"
/* For inline code which needs to sync the icache and dcache,
noting that the SDE library takes arguments (address, size). */
#undef MIPS_ICACHE_SYNC
#define MIPS_ICACHE_SYNC(ADDR, SIZE) \
emit_library_call (gen_rtx_SYMBOL_REF (Pmode, mips_cache_flush_func), \
0, VOIDmode, 2, ADDR, Pmode, \
SIZE, TYPE_MODE (sizetype))
/* This version of _mcount does not pop 2 words from the stack. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
{ \
fprintf (FILE, "\t.set\tnoat\n"); \
/* MIPS16 code passes saved $ra in $v1 instead of $at. */ \
fprintf (FILE, "\tmove\t%s,%s\n", \
reg_names[GP_REG_FIRST + (TARGET_MIPS16 ? 3 : 1)], \
reg_names[GP_REG_FIRST + 31]); \
fprintf (FILE, "\tjal\t_mcount\n"); \
fprintf (FILE, "\t.set\tat\n"); \
}
/* ...nor does the call sequence preserve $31. */
#undef MIPS_SAVE_REG_FOR_PROFILING_P
#define MIPS_SAVE_REG_FOR_PROFILING_P(REGNO) ((REGNO) == GP_REG_FIRST + 31)

24
gcc/config/mips/sdemtk.opt Normal file
View file

@ -0,0 +1,24 @@
; Options for the MIPS SDE configuration.
;
; Copyright (C) 2007 Free Software Foundation, Inc.
;
; This file is part of GCC.
;
; GCC is free software; you can redistribute it and/or modify it under
; the terms of the GNU General Public License as published by the Free
; Software Foundation; either version 2, or (at your option) any later
; version.
;
; GCC is distributed in the hope that it will be useful, but WITHOUT
; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
; License for more details.
;
; You should have received a copy of the GNU General Public License
; along with GCC; see the file COPYING. If not, write to the Free
; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
; 02110-1301, USA.
mno-float
Target Report RejectNegative Var(TARGET_NO_FLOAT)
Prevent the use of all floating-point operations

26
gcc/config/mips/t-sdemtk Normal file
View file

@ -0,0 +1,26 @@
# Override newlib settings in t-sde and set up for building
# against SDE header files and libraries.
MULTILIB_OPTIONS = EL/EB mips32/mips32r2/mips64 mips16 msoft-float/mno-float/mfp64
MULTILIB_DIRNAMES = el eb mips32 mips32r2 mips64 mips16 sof nof f64
# Remove stdarg.h and stddef.h from USER_H.
USER_H = $(srcdir)/ginclude/float.h \
$(srcdir)/ginclude/iso646.h \
$(srcdir)/ginclude/stdbool.h \
$(srcdir)/ginclude/varargs.h \
$(EXTRA_HEADERS)
# Don't run fixinclude
STMP_FIXINC = stmp-sdefixinc
stmp-sdefixinc: gsyslimits.h
rm -rf include; mkdir include
chmod a+rx include
rm -f include/syslimits.h
cp $(srcdir)/gsyslimits.h include/syslimits.h
chmod a+r include/syslimits.h
$(STAMP) stmp-sdefixinc
# Don't build FPBIT and DPBIT; we'll be using the SDE soft-float library.
FPBIT =
DPBIT =

2
gcc/configure vendored
View file

@ -12445,7 +12445,7 @@ case ${enable_threads} in
target_thread_file='single'
;;
aix | dce | gnat | irix | posix | posix95 | rtems | \
single | solaris | vxworks | win32 )
single | solaris | vxworks | win32 | mipssde)
target_thread_file=${enable_threads}
;;
*)

2
gcc/configure.ac
View file

@ -1342,7 +1342,7 @@ case ${enable_threads} in
target_thread_file='single'
;;
aix | dce | gnat | irix | posix | posix95 | rtems | \
single | solaris | vxworks | win32 )
single | solaris | vxworks | win32 | mipssde)
target_thread_file=${enable_threads}
;;
*)

227
gcc/gthr-mipssde.h Normal file
View file

@ -0,0 +1,227 @@
/* MIPS SDE threads compatibility routines for libgcc2 and libobjc. */
/* Compile this one with gcc. */
/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
Contributed by Nigel Stephens <nigel@mips.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* As a special exception, if you link this library with other files,
some of which are compiled with GCC, to produce an executable,
this library does not by itself cause the resulting executable
to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
#ifndef GCC_GTHR_MIPSSDE_H
#define GCC_GTHR_MIPSSDE_H
/* MIPS SDE threading API specific definitions.
Easy, since the interface is pretty much one-to-one. */
#define __GTHREADS 1
#include <sdethread.h>
#include <unistd.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef __sdethread_key_t __gthread_key_t;
typedef __sdethread_once_t __gthread_once_t;
typedef __sdethread_mutex_t __gthread_mutex_t;
typedef struct {
long depth;
__sdethread_t owner;
__sdethread_mutex_t actual;
} __gthread_recursive_mutex_t;
#define __GTHREAD_MUTEX_INIT __SDETHREAD_MUTEX_INITIALIZER("gthr")
#define __GTHREAD_ONCE_INIT __SDETHREAD_ONCE_INIT
static inline int
__gthread_recursive_mutex_init_function(__gthread_recursive_mutex_t *mutex);
#define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
# define __gthrw(name) \
static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name)));
# define __gthrw_(name) __gthrw_ ## name
#else
# define __gthrw(name)
# define __gthrw_(name) name
#endif
__gthrw(__sdethread_once)
__gthrw(__sdethread_key_create)
__gthrw(__sdethread_key_delete)
__gthrw(__sdethread_getspecific)
__gthrw(__sdethread_setspecific)
__gthrw(__sdethread_self)
__gthrw(__sdethread_mutex_lock)
__gthrw(__sdethread_mutex_trylock)
__gthrw(__sdethread_mutex_unlock)
__gthrw(__sdethread_mutex_init)
__gthrw(__sdethread_threading)
#if SUPPORTS_WEAK && GTHREAD_USE_WEAK
static inline int
__gthread_active_p (void)
{
return !!(void *)&__sdethread_threading;
}
#else /* not SUPPORTS_WEAK */
static inline int
__gthread_active_p (void)
{
return 1;
}
#endif /* SUPPORTS_WEAK */
static inline int
__gthread_once (__gthread_once_t *once, void (*func) (void))
{
if (__gthread_active_p ())
return __gthrw_(__sdethread_once) (once, func);
else
return -1;
}
static inline int
__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
{
return __gthrw_(__sdethread_key_create) (key, dtor);
}
static inline int
__gthread_key_delete (__gthread_key_t key)
{
return __gthrw_(__sdethread_key_delete) (key);
}
static inline void *
__gthread_getspecific (__gthread_key_t key)
{
return __gthrw_(__sdethread_getspecific) (key);
}
static inline int
__gthread_setspecific (__gthread_key_t key, const void *ptr)
{
return __gthrw_(__sdethread_setspecific) (key, ptr);
}
static inline int
__gthread_mutex_lock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return __gthrw_(__sdethread_mutex_lock) (mutex);
else
return 0;
}
static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return __gthrw_(__sdethread_mutex_trylock) (mutex);
else
return 0;
}
static inline int
__gthread_mutex_unlock (__gthread_mutex_t *mutex)
{
if (__gthread_active_p ())
return __gthrw_(__sdethread_mutex_unlock) (mutex);
else
return 0;
}
static inline int
__gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex)
{
mutex->depth = 0;
mutex->owner = __gthrw_(__sdethread_self) ();
return __gthrw_(__sdethread_mutex_init) (&mutex->actual, NULL);
}
static inline int
__gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
__sdethread_t me = __gthrw_(__sdethread_self) ();
if (mutex->owner != me)
{
__gthrw_(__sdethread_mutex_lock) (&mutex->actual);
mutex->owner = me;
}
mutex->depth++;
}
return 0;
}
static inline int
__gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
__sdethread_t me = __gthrw_(__sdethread_self) ();
if (mutex->owner != me)
{
if (__gthrw_(__sdethread_mutex_trylock) (&mutex->actual))
return 1;
mutex->owner = me;
}
mutex->depth++;
}
return 0;
}
static inline int
__gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex)
{
if (__gthread_active_p ())
{
if (--mutex->depth == 0)
{
mutex->owner = (__sdethread_t) 0;
__gthrw_(__sdethread_mutex_unlock) (&mutex->actual);
}
}
return 0;
}
#ifdef __cplusplus
}
#endif
#endif /* ! GCC_GTHR_MIPSSDE_H */

5
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,8 @@
2007-09-14 Thiemo Seufer <ths@mips.com>
* crossconfig.m4 (mips*-sde-elf*): New stanza.
* configure: Regenerate.
2007-09-12 Benjamin Kosnik <bkoz@redhat.com>
* include/ext/pb_ds/*: Change namespace pb_ds to __gnu_pbds.

20995
libstdc++-v3/configure vendored
View file

File diff suppressed because it is too large Load diff

32
libstdc++-v3/crossconfig.m4
View file

@ -9,6 +9,38 @@ case "${host}" in
# This is a freestanding configuration; there is nothing to do here.
;;
mips*-sde-elf*)
# These definitions are for the SDE C library rather than newlib.
AC_CHECK_HEADERS([float.h inttypes.h locale.h \
stdint.h stdlib.h string.h unistd.h wchar.h \
machine/endian.h sys/ioctl.h sys/resource.h \
sys/stat.h sys/time.h sys/types.h sys/uio.h])
SECTION_FLAGS='-ffunction-sections -fdata-sections'
AC_SUBST(SECTION_FLAGS)
GLIBCXX_CHECK_COMPILER_FEATURES
GLIBCXX_CHECK_LINKER_FEATURES
GLIBCXX_CHECK_MATH_SUPPORT
GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
AC_DEFINE(HAVE_SIGSETJMP)
AC_DEFINE(HAVE_GETPAGESIZE)
AC_DEFINE(HAVE_WRITEV)
AC_DEFINE(HAVE_INT64_T)
AC_DEFINE(HAVE_LIBM)
AC_DEFINE(HAVE_COPYSIGN)
AC_DEFINE(HAVE_FINITE)
AC_DEFINE(HAVE_HYPOT)
AC_DEFINE(HAVE_ISNAN)
AC_DEFINE(HAVE_ISINF)
AC_DEFINE(HAVE_LDEXPF)
AC_DEFINE(HAVE_MODF)
AC_DEFINE(HAVE_SQRTF)
;;
*-darwin*)
# Darwin versions vary, but the linker should work in a cross environment,
# so we just check for all the features here.