dnl
-dnl This file contains stuff.
+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.
;;
- *-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 gconv.h \
- sys/types.h])
+ avr*-*-*)
+ 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_FREXPF)
+ AC_DEFINE(HAVE_SQRTF)
+ AC_DEFINE(HAVE_HYPOTF)
+ 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_TANF)
+ AC_DEFINE(HAVE_TANHF)
+ ;;
+ mips*-sde-elf*)
+ # These definitions are for the SDE C library rather than newlib.
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
GLIBCXX_CHECK_COMPILER_FEATURES
- # Don't call GLIBCXX_CHECK_LINKER_FEATURES, Darwin doesn't have a GNU ld
+ GLIBCXX_CHECK_LINKER_FEATURES
GLIBCXX_CHECK_MATH_SUPPORT
- GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_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_FINITE)
+ AC_DEFINE(HAVE_HYPOT)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_ISINF)
- AC_DEFINE(HAVE_LC_MESSAGES)
+ AC_DEFINE(HAVE_LDEXPF)
+ AC_DEFINE(HAVE_MODF)
+ AC_DEFINE(HAVE_SQRTF)
+ ;;
- 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.])])
+ *-aix*)
+ GLIBCXX_CHECK_LINKER_FEATURES
+ GLIBCXX_CHECK_MATH_SUPPORT
+ GLIBCXX_CHECK_STDLIB_SUPPORT
+ AC_DEFINE(_GLIBCXX_USE_DEV_RANDOM)
+ AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
+ # We don't yet support AIX's TLS ABI.
+ #GCC_CHECK_TLS
+ AM_ICONV
- AC_DEFINE(HAVE_MMAP)
+ AC_DEFINE(HAVE_USELOCALE)
;;
- *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_COMPILER_FEATURES
- GLIBCXX_CHECK_LINKER_FEATURES
+ *-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.
+
+ # 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_WCHAR_T_SUPPORT
GLIBCXX_CHECK_STDLIB_SUPPORT
- GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
- AC_DEFINE(HAVE_WRITEV)
+
+ AC_CHECK_FUNCS(uselocale)
+ ;;
+
+ *djgpp)
+ # GLIBCXX_CHECK_MATH_SUPPORT
+ AC_DEFINE(HAVE_ISINF)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_FINITE)
+ AC_DEFINE(HAVE_SINCOS)
+ AC_DEFINE(HAVE_HYPOT)
;;
*-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
- GLIBCXX_CHECK_WCHAR_T_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_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_ISINFL)
AC_DEFINE(HAVE_ISNANL)
fi
+ AC_CHECK_FUNCS(__cxa_thread_atexit)
+ AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
+ AC_CHECK_FUNCS(timespec_get)
+ AC_CHECK_FUNCS(sockatmark)
+ AC_CHECK_FUNCS(uselocale)
;;
- *-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])
+
+ *-fuchsia*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
AC_SUBST(SECTION_FLAGS)
- GLIBCXX_CHECK_LINKER_FEATURES
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_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])
+
+ *-hpux*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
AC_SUBST(SECTION_FLAGS)
GLIBCXX_CHECK_LINKER_FEATURES
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_SUPPORT
-
- # For LFS.
- AC_DEFINE(HAVE_INT64_T)
- case "$target" in
- *-uclinux*)
- # Don't enable LFS with uClibc
- ;;
- *)
- AC_DEFINE(_GLIBCXX_USE_LFS)
- esac
-
- # 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
+ # GLIBCXX_CHECK_MATH_SUPPORT
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_HYPOT)
AC_DEFINE(HAVE_ACOSF)
AC_DEFINE(HAVE_ASINF)
AC_DEFINE(HAVE_ATANF)
- AC_DEFINE(HAVE_ATAN2F)
- AC_DEFINE(HAVE_CEILF)
- AC_DEFINE(HAVE_COPYSIGN)
- AC_DEFINE(HAVE_COPYSIGNF)
AC_DEFINE(HAVE_COSF)
AC_DEFINE(HAVE_COSHF)
+ AC_DEFINE(HAVE_SINF)
+ AC_DEFINE(HAVE_SINHF)
+ AC_DEFINE(HAVE_TANF)
+ AC_DEFINE(HAVE_TANHF)
AC_DEFINE(HAVE_EXPF)
+ AC_DEFINE(HAVE_ATAN2F)
AC_DEFINE(HAVE_FABSF)
- AC_DEFINE(HAVE_FINITE)
- AC_DEFINE(HAVE_FINITEF)
- AC_DEFINE(HAVE_FLOORF)
AC_DEFINE(HAVE_FMODF)
AC_DEFINE(HAVE_FREXPF)
- AC_DEFINE(HAVE_HYPOT)
- AC_DEFINE(HAVE_HYPOTF)
- AC_DEFINE(HAVE_ISINF)
- AC_DEFINE(HAVE_ISINFF)
- AC_DEFINE(HAVE_ISNAN)
- AC_DEFINE(HAVE_ISNANF)
AC_DEFINE(HAVE_LOGF)
AC_DEFINE(HAVE_LOG10F)
- AC_DEFINE(HAVE_MODFF)
- AC_DEFINE(HAVE_SINF)
- AC_DEFINE(HAVE_SINHF)
- AC_DEFINE(HAVE_SINCOS)
- AC_DEFINE(HAVE_SINCOSF)
+ AC_DEFINE(HAVE_MODF)
+ AC_DEFINE(HAVE_POWF)
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_ACOSL)
- AC_DEFINE(HAVE_ASINL)
- AC_DEFINE(HAVE_ATANL)
- AC_DEFINE(HAVE_ATAN2L)
- AC_DEFINE(HAVE_CEILL)
- AC_DEFINE(HAVE_COPYSIGNL)
- AC_DEFINE(HAVE_COSL)
- AC_DEFINE(HAVE_COSHL)
- AC_DEFINE(HAVE_EXPL)
- AC_DEFINE(HAVE_FABSL)
- AC_DEFINE(HAVE_FINITEL)
- AC_DEFINE(HAVE_FLOORL)
- AC_DEFINE(HAVE_FMODL)
- AC_DEFINE(HAVE_FREXPL)
- AC_DEFINE(HAVE_HYPOTL)
- AC_DEFINE(HAVE_ISINFL)
- AC_DEFINE(HAVE_ISNANL)
- AC_DEFINE(HAVE_LOGL)
- AC_DEFINE(HAVE_LOG10L)
- AC_DEFINE(HAVE_MODFL)
- AC_DEFINE(HAVE_POWL)
- AC_DEFINE(HAVE_SINL)
- AC_DEFINE(HAVE_SINHL)
- AC_DEFINE(HAVE_SINCOSL)
- AC_DEFINE(HAVE_SQRTL)
- AC_DEFINE(HAVE_TANL)
- AC_DEFINE(HAVE_TANHL)
- fi
+
+ # GLIBCXX_CHECK_STDLIB_SUPPORT
+ AC_DEFINE(HAVE_STRTOLD)
+
+ GCC_CHECK_TLS
+ ;;
+ *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-cygwin* | *-solaris*)
+ GLIBCXX_CHECK_COMPILER_FEATURES
+ GLIBCXX_CHECK_LINKER_FEATURES
+ GLIBCXX_CHECK_MATH_SUPPORT
+ GLIBCXX_CHECK_STDLIB_SUPPORT
+ AC_DEFINE(_GLIBCXX_USE_DEV_RANDOM)
+ AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
+ GCC_CHECK_TLS
+ AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
+ AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
+ AC_CHECK_FUNCS(timespec_get)
+ AC_CHECK_FUNCS(sockatmark)
+ AC_CHECK_FUNCS(uselocale)
+ AC_CHECK_FUNCS(secure_getenv)
+ AM_ICONV
;;
*-mingw32*)
- AC_CHECK_HEADERS([sys/types.h locale.h float.h])
GLIBCXX_CHECK_LINKER_FEATURES
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_SUPPORT
+ GLIBCXX_CHECK_MATH_SUPPORT
+ GLIBCXX_CHECK_STDLIB_SUPPORT
+ AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
+ AC_CHECK_FUNCS(_wfopen)
+ GCC_CHECK_TLS
;;
- *-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])
+ *-netbsd* | *-openbsd*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
AC_SUBST(SECTION_FLAGS)
GLIBCXX_CHECK_LINKER_FEATURES
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_SUPPORT
- AC_DEFINE(HAVE_COPYSIGN)
- AC_DEFINE(HAVE_COPYSIGNF)
AC_DEFINE(HAVE_FINITEF)
AC_DEFINE(HAVE_FINITE)
AC_DEFINE(HAVE_FREXPF)
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
- GLIBCXX_CHECK_WCHAR_T_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_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc)
+ AC_CHECK_FUNCS(timespec_get)
+ AC_CHECK_FUNCS(sockatmark)
;;
*-qnx6.1* | *-qnx6.2*)
SECTION_FLAGS='-ffunction-sections -fdata-sections'
AC_SUBST(SECTION_FLAGS)
GLIBCXX_CHECK_LINKER_FEATURES
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_SUPPORT
AC_DEFINE(HAVE_COSF)
AC_DEFINE(HAVE_COSL)
AC_DEFINE(HAVE_COSHF)
AC_DEFINE(HAVE_SINHF)
AC_DEFINE(HAVE_SINHL)
;;
- *-solaris*)
- case "$target" in
- # *-solaris2.5)
- # os_include_dir="os/solaris/solaris2.5"
- # ;;
- # *-solaris2.6)
- # os_include_dir="os/solaris/solaris2.6"
- # ;;
- *-solaris2.7 | *-solaris2.8 | *-solaris2.9 | *-solaris2.10)
- 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_BTOWC)
- AC_DEFINE(HAVE_FGETWC)
- AC_DEFINE(HAVE_FGETWS)
- AC_DEFINE(HAVE_FINITE)
- AC_DEFINE(HAVE_FPCLASS)
- AC_DEFINE(HAVE_FPUTWC)
- AC_DEFINE(HAVE_FPUTWS)
- AC_DEFINE(HAVE_FWIDE)
- AC_DEFINE(HAVE_FWPRINTF)
- AC_DEFINE(HAVE_FWSCANF)
- AC_DEFINE(HAVE_GETPAGESIZE)
- AC_DEFINE(HAVE_GETWC)
- AC_DEFINE(HAVE_GETWCHAR)
- AC_DEFINE(HAVE_MBRLEN)
- AC_DEFINE(HAVE_MBRTOWC)
- AC_DEFINE(HAVE_MBSINIT)
- AC_DEFINE(HAVE_MBSRTOWCS)
- AC_DEFINE(HAVE_NL_LANGINFO)
- AC_DEFINE(HAVE_PUTWC)
- AC_DEFINE(HAVE_PUTWCHAR)
- AC_DEFINE(HAVE_SWPRINTF)
- AC_DEFINE(HAVE_SWSCANF)
- AC_DEFINE(HAVE_UNGETWC)
- AC_DEFINE(HAVE_VFWPRINTF)
- AC_DEFINE(HAVE_VSWPRINTF)
- AC_DEFINE(HAVE_VWPRINTF)
- AC_DEFINE(HAVE_WCRTOMB)
- AC_DEFINE(HAVE_WCSCAT)
- AC_DEFINE(HAVE_WCSCHR)
- AC_DEFINE(HAVE_WCSCMP)
- AC_DEFINE(HAVE_WCSCOLL)
- AC_DEFINE(HAVE_WCSCPY)
- AC_DEFINE(HAVE_WCSCSPN)
- AC_DEFINE(HAVE_WCSFTIME)
- AC_DEFINE(HAVE_WCSLEN)
- AC_DEFINE(HAVE_WCSNCAT)
- AC_DEFINE(HAVE_WCSNCMP)
- AC_DEFINE(HAVE_WCSNCPY)
- AC_DEFINE(HAVE_WCSPBRK)
- AC_DEFINE(HAVE_WCSRCHR)
- AC_DEFINE(HAVE_WCSRTOMBS)
- AC_DEFINE(HAVE_WCSSPN)
- AC_DEFINE(HAVE_WCSSTR)
- AC_DEFINE(HAVE_WCSTOD)
- AC_DEFINE(HAVE_WCSTOK)
- AC_DEFINE(HAVE_WCSTOL)
- AC_DEFINE(HAVE_WCSTOUL)
- AC_DEFINE(HAVE_WCSXFRM)
- AC_DEFINE(HAVE_WCTOB)
- AC_DEFINE(HAVE_WMEMCHR)
- AC_DEFINE(HAVE_WMEMCMP)
- AC_DEFINE(HAVE_WMEMCPY)
- AC_DEFINE(HAVE_WMEMMOVE)
- AC_DEFINE(HAVE_WMEMSET)
- AC_DEFINE(HAVE_WPRINTF)
- AC_DEFINE(HAVE_WSCANF)
- AC_DEFINE(HAVE_ICONV)
- AC_DEFINE(HAVE_ICONV_CLOSE)
- AC_DEFINE(HAVE_ICONV_OPEN)
- # Look for the pieces required for wchar_t support in order to
- # get all the right HAVE_* macros defined.
- GLIBCXX_CHECK_WCHAR_T_SUPPORT
- # All of the dependencies for wide character support are here, so
- # turn it on. This requires some syncronization with the
- # GLIBCXX_CHECK_WCHAR_T_SUPPORT in acinclude.m4
- 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'
+ SECTION_LDFLAGS='-Wl,--gc-sections $SECTION_LDFLAGS'
AC_SUBST(SECTION_FLAGS)
- GLIBCXX_CHECK_LINKER_FEATURES
- GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCXX_CHECK_WCHAR_T_SUPPORT
- AC_DEFINE(HAVE_COPYSIGN)
- AC_DEFINE(HAVE_COPYSIGNF)
AC_DEFINE(HAVE_FINITE)
AC_DEFINE(HAVE_FINITEF)
AC_DEFINE(HAVE_FREXPF)
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)
+ *-*vms*)
+ # Check for available headers.
+ # Don't call GLIBCXX_CHECK_LINKER_FEATURES, VMS doesn't have a GNU ld
+ GLIBCXX_CHECK_MATH_SUPPORT
+ GLIBCXX_CHECK_STDLIB_SUPPORT
;;
- *-windiss*)
+ *-vxworks*)
AC_DEFINE(HAVE_ACOSF)
- AC_DEFINE(HAVE_ACOSL)
AC_DEFINE(HAVE_ASINF)
- AC_DEFINE(HAVE_ASINL)
AC_DEFINE(HAVE_ATAN2F)
- AC_DEFINE(HAVE_ATAN2L)
AC_DEFINE(HAVE_ATANF)
- AC_DEFINE(HAVE_ATANL)
AC_DEFINE(HAVE_CEILF)
- AC_DEFINE(HAVE_CEILL)
- AC_DEFINE(HAVE_COPYSIGN)
- AC_DEFINE(HAVE_COPYSIGNF)
AC_DEFINE(HAVE_COSF)
- AC_DEFINE(HAVE_COSL)
AC_DEFINE(HAVE_COSHF)
- AC_DEFINE(HAVE_COSHL)
AC_DEFINE(HAVE_EXPF)
- AC_DEFINE(HAVE_EXPL)
AC_DEFINE(HAVE_FABSF)
- AC_DEFINE(HAVE_FABSL)
AC_DEFINE(HAVE_FLOORF)
- AC_DEFINE(HAVE_FLOORL)
AC_DEFINE(HAVE_FMODF)
- AC_DEFINE(HAVE_FMODL)
- AC_DEFINE(HAVE_FREXPF)
- AC_DEFINE(HAVE_FREXPL)
- AC_DEFINE(HAVE_LDEXPF)
- AC_DEFINE(HAVE_LDEXPL)
+ AC_DEFINE(HAVE_HYPOT)
AC_DEFINE(HAVE_LOG10F)
- AC_DEFINE(HAVE_LOG10L)
AC_DEFINE(HAVE_LOGF)
- AC_DEFINE(HAVE_MODFF)
- AC_DEFINE(HAVE_MODFL)
AC_DEFINE(HAVE_POWF)
- AC_DEFINE(HAVE_POWL)
AC_DEFINE(HAVE_SINF)
- AC_DEFINE(HAVE_SINL)
AC_DEFINE(HAVE_SINHF)
- AC_DEFINE(HAVE_SINHL)
AC_DEFINE(HAVE_SQRTF)
- AC_DEFINE(HAVE_SQRTL)
AC_DEFINE(HAVE_TANF)
- AC_DEFINE(HAVE_TANL)
AC_DEFINE(HAVE_TANHF)
- AC_DEFINE(HAVE_TANHL)
+
+dnl # Different versions and execution modes implement different
+dnl # subsets of these functions. Instead of hard-coding, test for C
+dnl # declarations in headers. The C primitives could be defined as
+dnl # macros, in which case the tests might fail, and we might have to
+dnl # switch to more elaborate tests.
+ GLIBCXX_CHECK_MATH_DECLS([
+ acosl asinl atan2l atanl ceill cosl coshl expl fabsl floorl fmodl
+ frexpl ldexpl log10l logl modfl powl sinl sinhl sqrtl tanl tanhl hypotl
+ ldexpf modff hypotf frexpf])
+dnl # sincosl is the only one missing here, compared with the *l
+dnl # functions in the list guarded by
+dnl # long_double_math_on_this_cpu in configure.ac, right after
+dnl # the expansion of the present macro.
;;
*)
AC_MSG_ERROR([No support for this host/target combination.])
;;
esac
+])
+
+dnl
+dnl Check to see if the (math function) argument passed is
+dnl declared when using the c compiler
+dnl
+dnl Define HAVE_CARGF etc if "cargf" is declared
+dnl
+dnl argument 1 is name of function to check
+dnl
+dnl ASSUMES argument is a math function
+dnl
+dnl GLIBCXX_CHECK_MATH_DECL
+AC_DEFUN([GLIBCXX_CHECK_MATH_DECL], [
+ AC_CACHE_CHECK([for $1 declaration],
+ [glibcxx_cv_func_$1_use], [
+ AC_LANG_SAVE
+ AC_LANG_C
+ AC_TRY_COMPILE([
+#include <math.h>
+#ifdef HAVE_IEEEFP_H
+# include <ieeefp.h>
+#endif
+#undef $1
+], [
+ void (*f)(void) = (void (*)(void))$1;
+], [glibcxx_cv_func_$1_use=yes
+], [glibcxx_cv_func_$1_use=no])])
+ if test "x$glibcxx_cv_func_$1_use" = xyes; then
+ AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]))
+ fi
+])
+
+dnl
+dnl Check to see whether multiple math functions are
+dnl declared when using the c compiler
+dnl
+dnl Define HAVE_CARGF HAVE_POWL etc if "cargf" and "powl"
+dnl are declared
+dnl
+dnl argument 1 is a word list naming function to check
+dnl
+dnl ASSUMES arguments are math functions
+dnl
+dnl GLIBCXX_CHECK_MATH_DECLS
+AC_DEFUN([GLIBCXX_CHECK_MATH_DECLS], [
+ m4_foreach_w([glibcxx_func], [$1], [
+ GLIBCXX_CHECK_MATH_DECL(glibcxx_func)
+ ])
+])
git://gcc.gnu.org / gcc.git / blobdiff