AC_TRY_LINK(
[#include <unistd.h>
#include <stdio.h>
+ #include <sys/stat.h>
],
[FILE* fp;
fopen64("t", "w");
fseeko64(fp, 0, SEEK_CUR);
ftello64(fp);
- lseek64(1, 0, SEEK_CUR);],
+ lseek64(1, 0, SEEK_CUR);
+ struct stat64 buf;
+ fstat64(1, &buf);],
[glibcxx_cv_LFS=yes],
[glibcxx_cv_LFS=no])
])
dnl
+dnl Check for whether a fully dynamic basic_string implementation should
+dnl be turned on, that does not put empty objects in per-process static
+dnl memory (mostly useful together with shared memory allocators, see PR
+dnl libstdc++/16612 for details).
+dnl
+dnl --enable-fully-dynamic-string defines _GLIBCXX_FULLY_DYNAMIC_STRING
+dnl --disable-fully-dynamic-string leaves _GLIBCXX_FULLY_DYNAMIC_STRING undefined
+dnl + Usage: GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING[(DEFAULT)]
+dnl Where DEFAULT is either `yes' or `no'.
+dnl
+AC_DEFUN([GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING], [
+ GLIBCXX_ENABLE(fully-dynamic-string,$1,,[do not put empty strings in per-process static memory])
+ if test $enable_fully_dynamic_string = yes; then
+ AC_DEFINE(_GLIBCXX_FULLY_DYNAMIC_STRING)
+ fi
+])
+
+
+dnl
dnl Does any necessary configuration of the testsuite directory. Generates
dnl the testsuite_hooks.h header.
dnl
dnl
dnl Sets:
dnl enable_abi_check / GLIBCXX_TEST_ABI
+dnl GLIBCXX_TEST_WCHAR_T
+dnl GLIBCXX_TEST_THREAD
dnl Substs:
dnl baseline_dir
dnl
AC_SUBST(baseline_dir)
GLIBCXX_CONDITIONAL(GLIBCXX_TEST_WCHAR_T, test $enable_wchar_t = yes)
+ GLIBCXX_CONDITIONAL(GLIBCXX_TEST_THREAD, test $enable_thread = yes)
GLIBCXX_CONDITIONAL(GLIBCXX_TEST_ABI, test $enable_abi_check = yes)
])
AC_DEFINE(_GLIBCXX_USE_C99_MATH)
fi
+ # Check for the existence of <complex.h> complex functions.
+ # This is necessary even though libstdc++ uses the builtin versions
+ # of these functions, because if the builtin cannot be used, a reference
+ # to the library function is emitted.
+ AC_CHECK_HEADERS(complex.h, ac_has_complex_h=yes, ac_has_complex_h=no)
+ ac_c99_complex=no;
+ if test x"$ac_has_complex_h" = x"yes"; then
+ ac_c99_complex=yes;
+ AC_MSG_CHECKING([for ISO C99 support in <complex.h>])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ cabsf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ cabs(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ cabsl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ cargf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ carg(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ cargl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ ccosf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ ccos(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ ccosl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ ccoshf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ ccosh(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ ccoshl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ cexpf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ cexp(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ cexpl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ csinf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ csin(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ csinl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ csinhf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ csinh(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ csinhl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ csqrtf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ csqrt(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ csqrtl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ ctanf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ ctan(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ ctanl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ ctanhf(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ ctanh(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ ctanhl(tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ float _ComplexT; _ComplexT tmp;
+ cpowf(tmp, tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ double _ComplexT; _ComplexT tmp;
+ cpow(tmp, tmp);],, [ac_c99_complex=no])
+ AC_TRY_COMPILE([#include <complex.h>],
+ [typedef __complex__ long double _ComplexT; _ComplexT tmp;
+ cpowl(tmp, tmp);],, [ac_c99_complex=no])
+ fi
+ AC_MSG_RESULT($ac_c99_complex)
+
+ if test x"$ac_c99_complex" = x"yes"; then
+ AC_DEFINE(_GLIBCXX_USE_C99_COMPLEX_MATH)
+ fi
+
# Check for the existence in <stdio.h> of vscanf, et. al.
ac_c99_stdio=yes;
AC_MSG_CHECKING([for ISO C99 support in <stdio.h>])
AC_MSG_CHECKING([for enabled ISO C99 support])
if test x"$ac_c99_math" = x"no" ||
+ test x"$ac_c99_complex" = x"no" ||
test x"$ac_c99_stdio" = x"no" ||
test x"$ac_c99_stdlib" = x"no" ||
test x"$ac_c99_wchar" = x"no"; then
fi;
AC_MSG_RESULT($enable_c99)
- if test x"$ac_99_math" = x"yes"; then
- AC_DEFINE(_GLIBCXX_USE_C99_MATH)
- fi
-
# Option parsed, now set things appropriately
if test x"$enable_c99" = x"yes"; then
AC_DEFINE(_GLIBCXX_USE_C99)
# ... at some point put __strxfrm_l tests in as well.
;;
+ darwin* | freebsd*)
+ enable_clocale_flag=darwin
+ ;;
*)
enable_clocale_flag=generic
;;
CLOCALE_H=config/locale/generic/c_locale.h
CLOCALE_CC=config/locale/generic/c_locale.cc
- CCODECVT_H=config/locale/generic/codecvt_specializations.h
CCODECVT_CC=config/locale/generic/codecvt_members.cc
CCOLLATE_CC=config/locale/generic/collate_members.cc
CCTYPE_CC=config/locale/generic/ctype_members.cc
CTIME_CC=config/locale/generic/time_members.cc
CLOCALE_INTERNAL_H=config/locale/generic/c++locale_internal.h
;;
+ darwin)
+ AC_MSG_RESULT(darwin or freebsd)
+
+ CLOCALE_H=config/locale/generic/c_locale.h
+ CLOCALE_CC=config/locale/generic/c_locale.cc
+ CCODECVT_CC=config/locale/generic/codecvt_members.cc
+ CCOLLATE_CC=config/locale/generic/collate_members.cc
+ CCTYPE_CC=config/locale/darwin/ctype_members.cc
+ CMESSAGES_H=config/locale/generic/messages_members.h
+ CMESSAGES_CC=config/locale/generic/messages_members.cc
+ CMONEY_CC=config/locale/generic/monetary_members.cc
+ CNUMERIC_CC=config/locale/generic/numeric_members.cc
+ CTIME_H=config/locale/generic/time_members.h
+ CTIME_CC=config/locale/generic/time_members.cc
+ CLOCALE_INTERNAL_H=config/locale/generic/c++locale_internal.h
+ ;;
+
gnu)
AC_MSG_RESULT(gnu)
CLOCALE_H=config/locale/gnu/c_locale.h
CLOCALE_CC=config/locale/gnu/c_locale.cc
- CCODECVT_H=config/locale/ieee_1003.1-2001/codecvt_specializations.h
CCODECVT_CC=config/locale/gnu/codecvt_members.cc
CCOLLATE_CC=config/locale/gnu/collate_members.cc
CCTYPE_CC=config/locale/gnu/ctype_members.cc
CLOCALE_H=config/locale/ieee_1003.1-2001/c_locale.h
CLOCALE_CC=config/locale/ieee_1003.1-2001/c_locale.cc
- CCODECVT_H=config/locale/ieee_1003.1-2001/codecvt_specializations.h
CCODECVT_CC=config/locale/generic/codecvt_members.cc
CCOLLATE_CC=config/locale/generic/collate_members.cc
CCTYPE_CC=config/locale/generic/ctype_members.cc
AC_SUBST(USE_NLS)
AC_SUBST(CLOCALE_H)
- AC_SUBST(CCODECVT_H)
AC_SUBST(CMESSAGES_H)
AC_SUBST(CCODECVT_CC)
AC_SUBST(CCOLLATE_CC)
fi
glibcxx_thread_h=gthr-$target_thread_file.h
+
+ dnl Check for __GTHREADS define.
+ gthread_file=${toplevel_srcdir}/gcc/${glibcxx_thread_h}
+ if grep __GTHREADS $gthread_file >/dev/null 2>&1 ; then
+ enable_thread=yes
+ else
+ enable_thread=no
+ fi
+
AC_SUBST(glibcxx_thread_h)
])
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