2003-03-16 11:22:41 +08:00
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dnl configure fragment for new libpthread implementation.
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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if test "x$libc_cv_gcc___thread" != xyes; then
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AC_MSG_ERROR(compiler support for __thread is required)
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fi
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2003-04-12 08:58:26 +08:00
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dnl Iff <unwind.h> is available, make sure it is the right one and it
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dnl contains struct _Unwind_Exception.
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AC_CACHE_CHECK(dnl
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for forced unwind support, libc_cv_forced_unwind, [dnl
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AC_TRY_LINK([#include <unwind.h>], [
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struct _Unwind_Exception exc;
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struct _Unwind_Context *context;
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_Unwind_GetCFA (context)],
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libc_cv_forced_unwind=yes, libc_cv_forced_unwind=no)])
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if test $libc_cv_forced_unwind = yes; then
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AC_DEFINE(HAVE_FORCED_UNWIND)
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fi
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