[thirdparty/gcc.git] / libstdc++-v3 / crossconfig.m4

dnl
dnl This file contains details for non-native builds.
dnl

AC_DEFUN([GLIBCXX_CROSSCONFIG],[
# Base decisions on target environment.
case "${host}" in
  arm*-*-symbianelf*)
    # 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.
    # Check for available headers.
    AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
    machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h \
    sys/types.h])

    # Don't call GLIBCXX_CHECK_LINKER_FEATURES, Darwin doesn't have a GNU ld
    GLIBCXX_CHECK_MATH_SUPPORT
    GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    GLIBCXX_CHECK_STDLIB_SUPPORT

    # For showmanyc_helper().
    AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
    GLIBCXX_CHECK_POLL
    GLIBCXX_CHECK_S_ISREG_OR_S_IFREG

    # For xsputn_2().
    AC_CHECK_HEADERS(sys/uio.h)
    GLIBCXX_CHECK_WRITEV

    AC_DEFINE(HAVE_LC_MESSAGES)

    AC_TRY_COMPILE(
      [#include <setjmp.h>],
      [sigjmp_buf env;
       while (! sigsetjmp (env, 1))
         siglongjmp (env, 1);
    ],
    [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])

    AC_DEFINE(HAVE_MMAP)
    ;;

  *djgpp)
    AC_CHECK_HEADERS([float.h ieeefp.h inttypes.h locale.h \
      memory.h stdint.h stdlib.h strings.h string.h unistd.h \
      wchar.h wctype.h machine/endian.h sys/ioctl.h sys/param.h \
      sys/resource.h sys/stat.h sys/time.h sys/types.h sys/uio.h])
    # GLIBCXX_CHECK_MATH_SUPPORT
    AC_DEFINE(HAVE_LIBM)
    AC_DEFINE(HAVE_ISINF)
    AC_DEFINE(HAVE_ISNAN)
    AC_DEFINE(HAVE_FINITE)
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_SINCOS)
    AC_DEFINE(HAVE_HYPOT)
    # GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
    AC_DEFINE(HAVE___BUILTIN_ABS)
    AC_DEFINE(HAVE___BUILTIN_FABSF)
    AC_DEFINE(HAVE___BUILTIN_FABS)
    AC_DEFINE(HAVE___BUILTIN_FABSL)
    AC_DEFINE(HAVE___BUILTIN_LABS)
    AC_DEFINE(HAVE___BUILTIN_SQRTF)
    AC_DEFINE(HAVE___BUILTIN_SQRT)
    AC_DEFINE(HAVE___BUILTIN_SQRTL)
    AC_DEFINE(HAVE___BUILTIN_SINF)
    AC_DEFINE(HAVE___BUILTIN_SIN)
    AC_DEFINE(HAVE___BUILTIN_SINL)
    AC_DEFINE(HAVE___BUILTIN_COSF)
    AC_DEFINE(HAVE___BUILTIN_COS)
    AC_DEFINE(HAVE___BUILTIN_COSL)
    # GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    # GLIBCXX_CHECK_STDLIB_SUPPORT
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_COPYSIGNF)
    # GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
    AC_DEFINE(HAVE_S_ISREG)
    AC_DEFINE(HAVE_S_IFREG)
    AC_DEFINE(HAVE_WRITEV)
    ;;

  *-freebsd*)
    AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
      machine/endian.h machine/param.h sys/machine.h sys/types.h \
      fp.h locale.h float.h inttypes.h sys/resource.h sys/stat.h \
      sys/time.h unistd.h])
    SECTION_FLAGS='-ffunction-sections -fdata-sections'
    AC_SUBST(SECTION_FLAGS) 
    GLIBCXX_CHECK_LINKER_FEATURES
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    AC_DEFINE(HAVE_LC_MESSAGES)
    AC_DEFINE(HAVE_GETPAGESIZE)
    AC_DEFINE(HAVE_SETENV)
    AC_DEFINE(HAVE_SIGSETJMP)
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_COPYSIGNF)
    AC_DEFINE(HAVE_FINITEF)
    AC_DEFINE(HAVE_FINITE)
    AC_DEFINE(HAVE_FREXPF)
    AC_DEFINE(HAVE_HYPOT)
    AC_DEFINE(HAVE_HYPOTF)
    AC_DEFINE(HAVE_ISINF)
    AC_DEFINE(HAVE_ISNAN)
    AC_DEFINE(HAVE_ISNANF)

    AC_DEFINE(HAVE_MMAP)
    AC_DEFINE(HAVE_ACOSF)
    AC_DEFINE(HAVE_ASINF)
    AC_DEFINE(HAVE_ATAN2F)
    AC_DEFINE(HAVE_ATANF)
    AC_DEFINE(HAVE_CEILF)
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_COPYSIGNF)
    AC_DEFINE(HAVE_COSF)
    AC_DEFINE(HAVE_COSHF)
    AC_DEFINE(HAVE_EXPF)
    AC_DEFINE(HAVE_FABSF)
    AC_DEFINE(HAVE_FLOORF)
    AC_DEFINE(HAVE_FMODF)
    AC_DEFINE(HAVE_FREXPF)
    AC_DEFINE(HAVE_LDEXPF)
    AC_DEFINE(HAVE_LOG10F)
    AC_DEFINE(HAVE_LOGF)
    AC_DEFINE(HAVE_MODFF)
    AC_DEFINE(HAVE_POWF)
    AC_DEFINE(HAVE_SINF)
    AC_DEFINE(HAVE_SINHF)
    AC_DEFINE(HAVE_SQRTF)
    AC_DEFINE(HAVE_TANF)
    AC_DEFINE(HAVE_TANHF)
    if test x"long_double_math_on_this_cpu" = x"yes"; then
      AC_DEFINE(HAVE_FINITEL)
      AC_DEFINE(HAVE_ISINFL)
      AC_DEFINE(HAVE_ISNANL)
    fi
    ;;
  *-hpux*)
    AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
      machine/endian.h machine/param.h sys/machine.h sys/types.h \
      fp.h locale.h float.h inttypes.h])
    SECTION_FLAGS='-ffunction-sections -fdata-sections'
    AC_SUBST(SECTION_FLAGS)
    GLIBCXX_CHECK_LINKER_FEATURES
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_COPYSIGNF)
    AC_DEFINE(HAVE_FREXPF)
    AC_DEFINE(HAVE_HYPOT)
    case "$target" in
      *-hpux10*)
	AC_DEFINE(HAVE_FINITE)
	AC_DEFINE(HAVE_FINITEF)
	AC_DEFINE(HAVE_ISINF)
	AC_DEFINE(HAVE_ISINFF)
	AC_DEFINE(HAVE_ISNAN)
	AC_DEFINE(HAVE_ISNANF)
	;;
    esac
    ;;
  *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu)
    AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
      machine/endian.h machine/param.h sys/machine.h sys/types.h \
      fp.h float.h endian.h inttypes.h locale.h float.h stdint.h \
      sys/ipc.h sys/sem.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

    # For LFS.
    AC_DEFINE(HAVE_INT64_T)
    GLIBCXX_CHECK_LFS

    # For showmanyc_helper().
    AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
    GLIBCXX_CHECK_POLL
    GLIBCXX_CHECK_S_ISREG_OR_S_IFREG

    # For xsputn_2().
    AC_CHECK_HEADERS(sys/uio.h)
    GLIBCXX_CHECK_WRITEV

    # For C99 support to TR1.
    GLIBCXX_CHECK_C99_TR1

    AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)

    AC_LC_MESSAGES

    # Check for sigsetjmp
    AC_TRY_COMPILE(
      [#include <setjmp.h>],
      [sigjmp_buf env;
       while (! sigsetjmp (env, 1))
         siglongjmp (env, 1);
      ],
      [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])

    AC_DEFINE(HAVE_MMAP) 

    # For iconv support.
    AM_ICONV
    ;;
  *-mingw32*)
    AC_CHECK_HEADERS([sys/types.h locale.h float.h])
    AC_DEFINE(HAVE_STRTOF)
    AC_DEFINE(HAVE_STRTOLD)
    GLIBCXX_CHECK_LINKER_FEATURES
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    ;;
  *-netbsd*)
    AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
      machine/endian.h machine/param.h sys/machine.h sys/types.h \
      fp.h locale.h float.h inttypes.h])
    SECTION_FLAGS='-ffunction-sections -fdata-sections'
    AC_SUBST(SECTION_FLAGS) 
    GLIBCXX_CHECK_LINKER_FEATURES
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_COPYSIGNF)
    AC_DEFINE(HAVE_FINITEF)
    AC_DEFINE(HAVE_FINITE)
    AC_DEFINE(HAVE_FREXPF)
    AC_DEFINE(HAVE_HYPOTF)
    AC_DEFINE(HAVE_ISINF)
    AC_DEFINE(HAVE_ISINFF)
    AC_DEFINE(HAVE_ISNAN)
    AC_DEFINE(HAVE_ISNANF)
    if test x"long_double_math_on_this_cpu" = x"yes"; then
      AC_DEFINE(HAVE_FINITEL)
      AC_DEFINE(HAVE_ISINFL)
      AC_DEFINE(HAVE_ISNANL)
    fi
    ;;
  *-netware)
    AC_CHECK_HEADERS([nan.h ieeefp.h sys/isa_defs.h sys/machine.h \
      sys/types.h locale.h float.h inttypes.h])
    SECTION_FLAGS='-ffunction-sections -fdata-sections'
    AC_SUBST(SECTION_FLAGS)
    GLIBCXX_CHECK_LINKER_FEATURES
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    AC_DEFINE(HAVE_HYPOT)
    AC_DEFINE(HAVE_ISINF)
    AC_DEFINE(HAVE_ISNAN)

    # For showmanyc_helper().
    AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
    GLIBCXX_CHECK_POLL
    GLIBCXX_CHECK_S_ISREG_OR_S_IFREG

    # For xsputn_2().
    AC_CHECK_HEADERS(sys/uio.h)
    GLIBCXX_CHECK_WRITEV
    ;;
  *-qnx6.1* | *-qnx6.2*)
    SECTION_FLAGS='-ffunction-sections -fdata-sections'
    AC_SUBST(SECTION_FLAGS) 
    GLIBCXX_CHECK_LINKER_FEATURES
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    AC_DEFINE(HAVE_COSF)
    AC_DEFINE(HAVE_COSL)
    AC_DEFINE(HAVE_COSHF)
    AC_DEFINE(HAVE_COSHL)
    AC_DEFINE(HAVE_LOGF)
    AC_DEFINE(HAVE_LOGL)
    AC_DEFINE(HAVE_LOG10F)
    AC_DEFINE(HAVE_LOG10L)
    AC_DEFINE(HAVE_SINF)
    AC_DEFINE(HAVE_SINL)
    AC_DEFINE(HAVE_SINHF)
    AC_DEFINE(HAVE_SINHL)
    ;;
  *-solaris*)
    case "$target" in
      *-solaris2.7 | *-solaris2.8 | *-solaris2.9 | *-solaris2.10)
         GLIBCXX_CHECK_LINKER_FEATURES
         AC_DEFINE(HAVE_GETPAGESIZE)
         AC_DEFINE(HAVE_SIGSETJMP)
         AC_DEFINE(HAVE_MBSTATE_T)
         AC_DEFINE(HAVE_POLL)
         AC_DEFINE(HAVE_S_ISREG)
         AC_DEFINE(HAVE_LC_MESSAGES)
         AC_DEFINE(HAVE_FINITE)
         AC_DEFINE(HAVE_FPCLASS)
         AC_DEFINE(HAVE_GETPAGESIZE)
         # All of the dependencies for wide character support are here, so
         # turn it on. 
         AC_DEFINE(_GLIBCXX_USE_WCHAR_T) 
         # Are these tested for even when cross?
         AC_DEFINE(HAVE_FLOAT_H)
         AC_DEFINE(HAVE_IEEEFP_H)
         AC_DEFINE(HAVE_INTTYPES_H)
         AC_DEFINE(HAVE_LOCALE_H)
         AC_DEFINE(HAVE_NAN_H)
         AC_DEFINE(HAVE_SYS_FILIO_H)
         AC_DEFINE(HAVE_SYS_IOCTL_H)
         AC_DEFINE(HAVE_SYS_ISA_DEFS_H)
         AC_DEFINE(HAVE_SYS_RESOURCE_H)
         AC_DEFINE(HAVE_SYS_TIME_H)
         AC_DEFINE(HAVE_SYS_TYPES_H)
         AC_DEFINE(HAVE_UNISTD_H)
         AC_DEFINE(HAVE_WCHAR_H)
         AC_DEFINE(HAVE_WCTYPE_H)
         AC_DEFINE(HAVE_LIBM)
        ;;
    esac
    case "$target" in
      sparc*-*-solaris2.8 | sparc*-*-solaris2.9 | sparc*-*-solaris2.10)
        # I saw these on sparc-sun-solaris2.8, but not 2.6, and not on i386
        AC_DEFINE(HAVE___BUILTIN_ABS)
        AC_DEFINE(HAVE___BUILTIN_LABS)
        AC_DEFINE(HAVE___BUILTIN_FABS)
        AC_DEFINE(HAVE___BUILTIN_FABSF)
        AC_DEFINE(HAVE___BUILTIN_FABSL)
        AC_DEFINE(HAVE___BUILTIN_COS)
        AC_DEFINE(HAVE___BUILTIN_COSF)
        AC_DEFINE(HAVE___BUILTIN_SIN)
        AC_DEFINE(HAVE___BUILTIN_SINF)
       ;;
    esac
    case "$target" in
      *-*-solaris2.10)
      # These two C99 functions are present only in Solaris >= 10
      AC_DEFINE(HAVE_STRTOF)
      AC_DEFINE(HAVE_STRTOLD)
     ;;
    esac
    AC_DEFINE(HAVE_MMAP) 
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_ISNAN)
    AC_DEFINE(HAVE_ISNANF)
    AC_DEFINE(HAVE_MODFF)
    AC_DEFINE(HAVE_HYPOT)
    ;;
  *-tpf)
    AC_CHECK_HEADERS([nan.h endian.h machine/endian.h  \
      sys/param.h sys/types.h locale.h float.h inttypes.h])
    SECTION_FLAGS='-ffunction-sections -fdata-sections'
    AC_SUBST(SECTION_FLAGS)
    GLIBCXX_CHECK_LINKER_FEATURES
    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
    AC_DEFINE(HAVE_COPYSIGN)
    AC_DEFINE(HAVE_COPYSIGNF)
    AC_DEFINE(HAVE_FINITE)
    AC_DEFINE(HAVE_FINITEF)
    AC_DEFINE(HAVE_FREXPF)
    AC_DEFINE(HAVE_HYPOTF)
    AC_DEFINE(HAVE_ISINF)
    AC_DEFINE(HAVE_ISINFF)
    AC_DEFINE(HAVE_ISNAN)
    AC_DEFINE(HAVE_ISNANF)
    AC_DEFINE(HAVE_SINCOS)
    AC_DEFINE(HAVE_SINCOSF)
    if test x"long_double_math_on_this_cpu" = x"yes"; then
      AC_DEFINE(HAVE_FINITEL)
      AC_DEFINE(HAVE_HYPOTL)
      AC_DEFINE(HAVE_ISINFL)
      AC_DEFINE(HAVE_ISNANL)
    fi
    ;;
  *-vxworks)
    AC_DEFINE(HAVE_MMAP)
    AC_DEFINE(HAVE_ACOSF)
    AC_DEFINE(HAVE_ASINF)
    AC_DEFINE(HAVE_ATAN2F)
    AC_DEFINE(HAVE_ATANF)
    AC_DEFINE(HAVE_CEILF)
    AC_DEFINE(HAVE_COSF)
    AC_DEFINE(HAVE_COSHF)
    AC_DEFINE(HAVE_EXPF)
    AC_DEFINE(HAVE_FABSF)
    AC_DEFINE(HAVE_FLOORF)
    AC_DEFINE(HAVE_FMODF)
    AC_DEFINE(HAVE_HYPOT)
    AC_DEFINE(HAVE_LOG10F)
    AC_DEFINE(HAVE_LOGF)
    AC_DEFINE(HAVE_POWF)
    AC_DEFINE(HAVE_SINF)
    AC_DEFINE(HAVE_SINHF)
    AC_DEFINE(HAVE_SQRTF)
    AC_DEFINE(HAVE_TANF)
    AC_DEFINE(HAVE_TANHF)
    ;;
  *)
    AC_MSG_ERROR([No support for this host/target combination.])
   ;;
esac
])
Commit	Line	Data
ff66d28f	1	dnl
552afe9e	2	dnl This file contains details for non-native builds.
ff66d28f PE	3	dnl
ff66d28f PE	4
c41f82b2	5	AC_DEFUN([GLIBCXX_CROSSCONFIG],[
ff66d28f PE	6	# Base decisions on target environment.
ff66d28f PE	7	case "${host}" in
4c24b21a MM	8	arm--symbianelf*)
	9	# This is a freestanding configuration; there is nothing to do here.
	10	;;
	11
d9dced13 RS	12	mips-sde-elf)
	13	# These definitions are for the SDE C library rather than newlib.
	14	AC_CHECK_HEADERS([float.h inttypes.h locale.h \
	15	stdint.h stdlib.h string.h unistd.h wchar.h \
	16	machine/endian.h sys/ioctl.h sys/resource.h \
	17	sys/stat.h sys/time.h sys/types.h sys/uio.h])
	18	SECTION_FLAGS='-ffunction-sections -fdata-sections'
	19	AC_SUBST(SECTION_FLAGS)
	20	GLIBCXX_CHECK_COMPILER_FEATURES
	21	GLIBCXX_CHECK_LINKER_FEATURES
	22	GLIBCXX_CHECK_MATH_SUPPORT
	23	GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
	24	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
	25	GLIBCXX_CHECK_STDLIB_SUPPORT
	26	GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
	27	AC_DEFINE(HAVE_SIGSETJMP)
	28	AC_DEFINE(HAVE_GETPAGESIZE)
	29	AC_DEFINE(HAVE_WRITEV)
	30	AC_DEFINE(HAVE_INT64_T)
	31
	32	AC_DEFINE(HAVE_LIBM)
	33	AC_DEFINE(HAVE_COPYSIGN)
	34	AC_DEFINE(HAVE_FINITE)
	35	AC_DEFINE(HAVE_HYPOT)
	36	AC_DEFINE(HAVE_ISNAN)
	37	AC_DEFINE(HAVE_ISINF)
	38
	39	AC_DEFINE(HAVE_LDEXPF)
	40	AC_DEFINE(HAVE_MODF)
	41	AC_DEFINE(HAVE_SQRTF)
	42	;;
	43
a6f3e253 GK	44	-darwin)
	45	# Darwin versions vary, but the linker should work in a cross environment,
	46	# so we just check for all the features here.
	47	# Check for available headers.
	48	AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
bffc9d79	49	machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h \
a6f3e253 GK	50	sys/types.h])
a6f3e253 GK	51
a6f3e253 GK	52	# Don't call GLIBCXX_CHECK_LINKER_FEATURES, Darwin doesn't have a GNU ld
	53	GLIBCXX_CHECK_MATH_SUPPORT
	54	GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
	55	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
a6f3e253 GK	56	GLIBCXX_CHECK_STDLIB_SUPPORT
	57
	58	# For showmanyc_helper().
	59	AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
	60	GLIBCXX_CHECK_POLL
	61	GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
	62
	63	# For xsputn_2().
	64	AC_CHECK_HEADERS(sys/uio.h)
	65	GLIBCXX_CHECK_WRITEV
	66
	67	AC_DEFINE(HAVE_LC_MESSAGES)
	68
	69	AC_TRY_COMPILE(
	70	[#include <setjmp.h>],
	71	[sigjmp_buf env;
	72	while (! sigsetjmp (env, 1))
	73	siglongjmp (env, 1);
	74	],
	75	[AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])
	76
	77	AC_DEFINE(HAVE_MMAP)
	78	;;
	79
185fca74 AH	80	*djgpp)
	81	AC_CHECK_HEADERS([float.h ieeefp.h inttypes.h locale.h \
	82	memory.h stdint.h stdlib.h strings.h string.h unistd.h \
	83	wchar.h wctype.h machine/endian.h sys/ioctl.h sys/param.h \
	84	sys/resource.h sys/stat.h sys/time.h sys/types.h sys/uio.h])
9f1fd474	85	# GLIBCXX_CHECK_MATH_SUPPORT
9bb68d2a DD	86	AC_DEFINE(HAVE_LIBM)
	87	AC_DEFINE(HAVE_ISINF)
	88	AC_DEFINE(HAVE_ISNAN)
	89	AC_DEFINE(HAVE_FINITE)
	90	AC_DEFINE(HAVE_COPYSIGN)
	91	AC_DEFINE(HAVE_SINCOS)
	92	AC_DEFINE(HAVE_HYPOT)
9f1fd474 BK	93	# GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
	94	AC_DEFINE(HAVE___BUILTIN_ABS)
	95	AC_DEFINE(HAVE___BUILTIN_FABSF)
	96	AC_DEFINE(HAVE___BUILTIN_FABS)
	97	AC_DEFINE(HAVE___BUILTIN_FABSL)
	98	AC_DEFINE(HAVE___BUILTIN_LABS)
	99	AC_DEFINE(HAVE___BUILTIN_SQRTF)
	100	AC_DEFINE(HAVE___BUILTIN_SQRT)
	101	AC_DEFINE(HAVE___BUILTIN_SQRTL)
	102	AC_DEFINE(HAVE___BUILTIN_SINF)
	103	AC_DEFINE(HAVE___BUILTIN_SIN)
	104	AC_DEFINE(HAVE___BUILTIN_SINL)
	105	AC_DEFINE(HAVE___BUILTIN_COSF)
	106	AC_DEFINE(HAVE___BUILTIN_COS)
	107	AC_DEFINE(HAVE___BUILTIN_COSL)
	108	# GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
	109	# GLIBCXX_CHECK_STDLIB_SUPPORT
9bb68d2a DD	110	AC_DEFINE(HAVE_COPYSIGN)
9bb68d2a DD	111	AC_DEFINE(HAVE_COPYSIGNF)
9f1fd474	112	# GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
9bb68d2a DD	113	AC_DEFINE(HAVE_S_ISREG)
9bb68d2a DD	114	AC_DEFINE(HAVE_S_IFREG)
185fca74 AH	115	AC_DEFINE(HAVE_WRITEV)
	116	;;
	117
ff66d28f	118	-freebsd)
ff66d28f PE	119	AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
	120	machine/endian.h machine/param.h sys/machine.h sys/types.h \
	121	fp.h locale.h float.h inttypes.h sys/resource.h sys/stat.h \
	122	sys/time.h unistd.h])
	123	SECTION_FLAGS='-ffunction-sections -fdata-sections'
	124	AC_SUBST(SECTION_FLAGS)
	125	GLIBCXX_CHECK_LINKER_FEATURES
	126	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
ff66d28f	127	AC_DEFINE(HAVE_LC_MESSAGES)
ff66d28f PE	128	AC_DEFINE(HAVE_GETPAGESIZE)
	129	AC_DEFINE(HAVE_SETENV)
	130	AC_DEFINE(HAVE_SIGSETJMP)
	131	AC_DEFINE(HAVE_COPYSIGN)
	132	AC_DEFINE(HAVE_COPYSIGNF)
	133	AC_DEFINE(HAVE_FINITEF)
	134	AC_DEFINE(HAVE_FINITE)
	135	AC_DEFINE(HAVE_FREXPF)
	136	AC_DEFINE(HAVE_HYPOT)
	137	AC_DEFINE(HAVE_HYPOTF)
	138	AC_DEFINE(HAVE_ISINF)
	139	AC_DEFINE(HAVE_ISNAN)
	140	AC_DEFINE(HAVE_ISNANF)
	141
	142	AC_DEFINE(HAVE_MMAP)
	143	AC_DEFINE(HAVE_ACOSF)
	144	AC_DEFINE(HAVE_ASINF)
	145	AC_DEFINE(HAVE_ATAN2F)
	146	AC_DEFINE(HAVE_ATANF)
	147	AC_DEFINE(HAVE_CEILF)
	148	AC_DEFINE(HAVE_COPYSIGN)
	149	AC_DEFINE(HAVE_COPYSIGNF)
	150	AC_DEFINE(HAVE_COSF)
	151	AC_DEFINE(HAVE_COSHF)
	152	AC_DEFINE(HAVE_EXPF)
	153	AC_DEFINE(HAVE_FABSF)
	154	AC_DEFINE(HAVE_FLOORF)
	155	AC_DEFINE(HAVE_FMODF)
	156	AC_DEFINE(HAVE_FREXPF)
	157	AC_DEFINE(HAVE_LDEXPF)
	158	AC_DEFINE(HAVE_LOG10F)
	159	AC_DEFINE(HAVE_LOGF)
	160	AC_DEFINE(HAVE_MODFF)
	161	AC_DEFINE(HAVE_POWF)
	162	AC_DEFINE(HAVE_SINF)
	163	AC_DEFINE(HAVE_SINHF)
	164	AC_DEFINE(HAVE_SQRTF)
	165	AC_DEFINE(HAVE_TANF)
	166	AC_DEFINE(HAVE_TANHF)
	167	if test x"long_double_math_on_this_cpu" = x"yes"; then
	168	AC_DEFINE(HAVE_FINITEL)
	169	AC_DEFINE(HAVE_ISINFL)
	170	AC_DEFINE(HAVE_ISNANL)
	171	fi
	172	;;
	173	-hpux)
ff66d28f PE	174	AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
	175	machine/endian.h machine/param.h sys/machine.h sys/types.h \
	176	fp.h locale.h float.h inttypes.h])
	177	SECTION_FLAGS='-ffunction-sections -fdata-sections'
	178	AC_SUBST(SECTION_FLAGS)
	179	GLIBCXX_CHECK_LINKER_FEATURES
	180	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
ff66d28f PE	181	AC_DEFINE(HAVE_COPYSIGN)
	182	AC_DEFINE(HAVE_COPYSIGNF)
	183	AC_DEFINE(HAVE_FREXPF)
	184	AC_DEFINE(HAVE_HYPOT)
	185	case "$target" in
	186	-hpux10)
	187	AC_DEFINE(HAVE_FINITE)
	188	AC_DEFINE(HAVE_FINITEF)
	189	AC_DEFINE(HAVE_ISINF)
	190	AC_DEFINE(HAVE_ISINFF)
	191	AC_DEFINE(HAVE_ISNAN)
	192	AC_DEFINE(HAVE_ISNANF)
	193	;;
	194	esac
	195	;;
b938ad89	196	-linux \| -uclinux \| -gnu \| -kfreebsd-gnu \| -knetbsd-gnu)
ff66d28f PE	197	AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
ff66d28f PE	198	machine/endian.h machine/param.h sys/machine.h sys/types.h \
b9b38620	199	fp.h float.h endian.h inttypes.h locale.h float.h stdint.h \
bffc9d79	200	sys/ipc.h sys/sem.h])
ff66d28f PE	201	SECTION_FLAGS='-ffunction-sections -fdata-sections'
ff66d28f PE	202	AC_SUBST(SECTION_FLAGS)
464aea98	203	GLIBCXX_CHECK_COMPILER_FEATURES
ff66d28f	204	GLIBCXX_CHECK_LINKER_FEATURES
464aea98 JM	205	GLIBCXX_CHECK_MATH_SUPPORT
464aea98 JM	206	GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
ff66d28f	207	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
464aea98	208	GLIBCXX_CHECK_STDLIB_SUPPORT
158960ba BK	209
	210	# For LFS.
	211	AC_DEFINE(HAVE_INT64_T)
6db1de4c	212	GLIBCXX_CHECK_LFS
158960ba BK	213
	214	# For showmanyc_helper().
	215	AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
	216	GLIBCXX_CHECK_POLL
	217	GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
	218
	219	# For xsputn_2().
	220	AC_CHECK_HEADERS(sys/uio.h)
	221	GLIBCXX_CHECK_WRITEV
b9b38620 SP	222
	223	# For C99 support to TR1.
	224	GLIBCXX_CHECK_C99_TR1
	225
bffc9d79 JM	226	AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
	227
	228	AC_LC_MESSAGES
	229
b9b38620 SP	230	# Check for sigsetjmp
	231	AC_TRY_COMPILE(
	232	[#include <setjmp.h>],
	233	[sigjmp_buf env;
	234	while (! sigsetjmp (env, 1))
	235	siglongjmp (env, 1);
	236	],
	237	[AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])
bffc9d79 JM	238
	239	AC_DEFINE(HAVE_MMAP)
	240
	241	# For iconv support.
	242	AM_ICONV
ff66d28f PE	243	;;
ff66d28f PE	244	-mingw32)
ff66d28f	245	AC_CHECK_HEADERS([sys/types.h locale.h float.h])
676e1806 JM	246	AC_DEFINE(HAVE_STRTOF)
676e1806 JM	247	AC_DEFINE(HAVE_STRTOLD)
ff66d28f PE	248	GLIBCXX_CHECK_LINKER_FEATURES
ff66d28f PE	249	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
ff66d28f PE	250	;;
ff66d28f PE	251	-netbsd)
ff66d28f PE	252	AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h \
	253	machine/endian.h machine/param.h sys/machine.h sys/types.h \
	254	fp.h locale.h float.h inttypes.h])
	255	SECTION_FLAGS='-ffunction-sections -fdata-sections'
	256	AC_SUBST(SECTION_FLAGS)
	257	GLIBCXX_CHECK_LINKER_FEATURES
	258	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
ff66d28f PE	259	AC_DEFINE(HAVE_COPYSIGN)
	260	AC_DEFINE(HAVE_COPYSIGNF)
	261	AC_DEFINE(HAVE_FINITEF)
	262	AC_DEFINE(HAVE_FINITE)
	263	AC_DEFINE(HAVE_FREXPF)
	264	AC_DEFINE(HAVE_HYPOTF)
	265	AC_DEFINE(HAVE_ISINF)
	266	AC_DEFINE(HAVE_ISINFF)
	267	AC_DEFINE(HAVE_ISNAN)
	268	AC_DEFINE(HAVE_ISNANF)
	269	if test x"long_double_math_on_this_cpu" = x"yes"; then
	270	AC_DEFINE(HAVE_FINITEL)
	271	AC_DEFINE(HAVE_ISINFL)
	272	AC_DEFINE(HAVE_ISNANL)
	273	fi
	274	;;
61fec9ff JB	275	*-netware)
	276	AC_CHECK_HEADERS([nan.h ieeefp.h sys/isa_defs.h sys/machine.h \
	277	sys/types.h locale.h float.h inttypes.h])
	278	SECTION_FLAGS='-ffunction-sections -fdata-sections'
	279	AC_SUBST(SECTION_FLAGS)
	280	GLIBCXX_CHECK_LINKER_FEATURES
	281	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
e02cd429 JB	282	AC_DEFINE(HAVE_HYPOT)
	283	AC_DEFINE(HAVE_ISINF)
	284	AC_DEFINE(HAVE_ISNAN)
61fec9ff JB	285
	286	# For showmanyc_helper().
	287	AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
	288	GLIBCXX_CHECK_POLL
	289	GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
	290
	291	# For xsputn_2().
	292	AC_CHECK_HEADERS(sys/uio.h)
	293	GLIBCXX_CHECK_WRITEV
	294	;;
ff66d28f	295	-qnx6.1 \| -qnx6.2)
ff66d28f PE	296	SECTION_FLAGS='-ffunction-sections -fdata-sections'
	297	AC_SUBST(SECTION_FLAGS)
	298	GLIBCXX_CHECK_LINKER_FEATURES
	299	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
ff66d28f PE	300	AC_DEFINE(HAVE_COSF)
	301	AC_DEFINE(HAVE_COSL)
	302	AC_DEFINE(HAVE_COSHF)
	303	AC_DEFINE(HAVE_COSHL)
	304	AC_DEFINE(HAVE_LOGF)
	305	AC_DEFINE(HAVE_LOGL)
	306	AC_DEFINE(HAVE_LOG10F)
	307	AC_DEFINE(HAVE_LOG10L)
	308	AC_DEFINE(HAVE_SINF)
	309	AC_DEFINE(HAVE_SINL)
	310	AC_DEFINE(HAVE_SINHF)
	311	AC_DEFINE(HAVE_SINHL)
	312	;;
	313	-solaris)
2b1be54b	314	case "$target" in
2b1be54b	315	-solaris2.7 \| -solaris2.8 \| -solaris2.9 \| -solaris2.10)
e2c104d8	316	GLIBCXX_CHECK_LINKER_FEATURES
2b1be54b BS	317	AC_DEFINE(HAVE_GETPAGESIZE)
	318	AC_DEFINE(HAVE_SIGSETJMP)
	319	AC_DEFINE(HAVE_MBSTATE_T)
	320	AC_DEFINE(HAVE_POLL)
	321	AC_DEFINE(HAVE_S_ISREG)
	322	AC_DEFINE(HAVE_LC_MESSAGES)
2b1be54b BS	323	AC_DEFINE(HAVE_FINITE)
2b1be54b BS	324	AC_DEFINE(HAVE_FPCLASS)
2b1be54b	325	AC_DEFINE(HAVE_GETPAGESIZE)
2b1be54b	326	# All of the dependencies for wide character support are here, so
4ffe6e87	327	# turn it on.
2b1be54b BS	328	AC_DEFINE(_GLIBCXX_USE_WCHAR_T)
	329	# Are these tested for even when cross?
	330	AC_DEFINE(HAVE_FLOAT_H)
	331	AC_DEFINE(HAVE_IEEEFP_H)
	332	AC_DEFINE(HAVE_INTTYPES_H)
	333	AC_DEFINE(HAVE_LOCALE_H)
	334	AC_DEFINE(HAVE_NAN_H)
	335	AC_DEFINE(HAVE_SYS_FILIO_H)
	336	AC_DEFINE(HAVE_SYS_IOCTL_H)
	337	AC_DEFINE(HAVE_SYS_ISA_DEFS_H)
	338	AC_DEFINE(HAVE_SYS_RESOURCE_H)
	339	AC_DEFINE(HAVE_SYS_TIME_H)
	340	AC_DEFINE(HAVE_SYS_TYPES_H)
	341	AC_DEFINE(HAVE_UNISTD_H)
	342	AC_DEFINE(HAVE_WCHAR_H)
	343	AC_DEFINE(HAVE_WCTYPE_H)
	344	AC_DEFINE(HAVE_LIBM)
	345	;;
	346	esac
	347	case "$target" in
	348	sparc--solaris2.8 \| sparc--solaris2.9 \| sparc--solaris2.10)
	349	# I saw these on sparc-sun-solaris2.8, but not 2.6, and not on i386
	350	AC_DEFINE(HAVE___BUILTIN_ABS)
	351	AC_DEFINE(HAVE___BUILTIN_LABS)
	352	AC_DEFINE(HAVE___BUILTIN_FABS)
	353	AC_DEFINE(HAVE___BUILTIN_FABSF)
	354	AC_DEFINE(HAVE___BUILTIN_FABSL)
	355	AC_DEFINE(HAVE___BUILTIN_COS)
	356	AC_DEFINE(HAVE___BUILTIN_COSF)
	357	AC_DEFINE(HAVE___BUILTIN_SIN)
	358	AC_DEFINE(HAVE___BUILTIN_SINF)
	359	;;
	360	esac
ddf2a54a BS	361	case "$target" in
	362	--solaris2.10)
	363	# These two C99 functions are present only in Solaris >= 10
	364	AC_DEFINE(HAVE_STRTOF)
	365	AC_DEFINE(HAVE_STRTOLD)
	366	;;
	367	esac
ff66d28f PE	368	AC_DEFINE(HAVE_MMAP)
	369	AC_DEFINE(HAVE_COPYSIGN)
	370	AC_DEFINE(HAVE_ISNAN)
	371	AC_DEFINE(HAVE_ISNANF)
	372	AC_DEFINE(HAVE_MODFF)
	373	AC_DEFINE(HAVE_HYPOT)
	374	;;
6e198ee0 UW	375	*-tpf)
	376	AC_CHECK_HEADERS([nan.h endian.h machine/endian.h \
	377	sys/param.h sys/types.h locale.h float.h inttypes.h])
	378	SECTION_FLAGS='-ffunction-sections -fdata-sections'
	379	AC_SUBST(SECTION_FLAGS)
	380	GLIBCXX_CHECK_LINKER_FEATURES
	381	GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
6e198ee0 UW	382	AC_DEFINE(HAVE_COPYSIGN)
	383	AC_DEFINE(HAVE_COPYSIGNF)
	384	AC_DEFINE(HAVE_FINITE)
	385	AC_DEFINE(HAVE_FINITEF)
	386	AC_DEFINE(HAVE_FREXPF)
	387	AC_DEFINE(HAVE_HYPOTF)
	388	AC_DEFINE(HAVE_ISINF)
	389	AC_DEFINE(HAVE_ISINFF)
	390	AC_DEFINE(HAVE_ISNAN)
	391	AC_DEFINE(HAVE_ISNANF)
	392	AC_DEFINE(HAVE_SINCOS)
	393	AC_DEFINE(HAVE_SINCOSF)
	394	if test x"long_double_math_on_this_cpu" = x"yes"; then
	395	AC_DEFINE(HAVE_FINITEL)
	396	AC_DEFINE(HAVE_HYPOTL)
	397	AC_DEFINE(HAVE_ISINFL)
	398	AC_DEFINE(HAVE_ISNANL)
	399	fi
	400	;;
65fc9769 PE	401	*-vxworks)
	402	AC_DEFINE(HAVE_MMAP)
	403	AC_DEFINE(HAVE_ACOSF)
	404	AC_DEFINE(HAVE_ASINF)
	405	AC_DEFINE(HAVE_ATAN2F)
	406	AC_DEFINE(HAVE_ATANF)
	407	AC_DEFINE(HAVE_CEILF)
	408	AC_DEFINE(HAVE_COSF)
	409	AC_DEFINE(HAVE_COSHF)
	410	AC_DEFINE(HAVE_EXPF)
	411	AC_DEFINE(HAVE_FABSF)
	412	AC_DEFINE(HAVE_FLOORF)
	413	AC_DEFINE(HAVE_FMODF)
	414	AC_DEFINE(HAVE_HYPOT)
	415	AC_DEFINE(HAVE_LOG10F)
	416	AC_DEFINE(HAVE_LOGF)
	417	AC_DEFINE(HAVE_POWF)
	418	AC_DEFINE(HAVE_SINF)
	419	AC_DEFINE(HAVE_SINHF)
	420	AC_DEFINE(HAVE_SQRTF)
	421	AC_DEFINE(HAVE_TANF)
	422	AC_DEFINE(HAVE_TANHF)
	423	;;
ff66d28f PE	424	*)
	425	AC_MSG_ERROR([No support for this host/target combination.])
	426	;;
	427	esac
c41f82b2	428	])