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38 lines
1.2 KiB
Plaintext
38 lines
1.2 KiB
Plaintext
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dnl
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dnl Check whether _Unwind_GetIPInfo is available without doing a link
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dnl test so we can use this with libstdc++-v3 and libjava. Need to
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dnl use $target to set defaults because automatic checking is not possible
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dnl without a link test (and maybe even with a link test).
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dnl
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AC_DEFUN([GCC_CHECK_UNWIND_GETIPINFO], [
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AC_ARG_WITH(system-libunwind,
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[ --with-system-libunwind use installed libunwind])
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# If system-libunwind was not specifically set, pick a default setting.
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if test x$with_system_libunwind = x; then
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case ${target} in
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ia64-*-hpux*) with_system_libunwind=yes ;;
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*) with_system_libunwind=no ;;
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esac
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fi
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# Based on system-libunwind and target, do we have ipinfo?
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if test x$with_system_libunwind = xyes; then
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case ${target} in
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ia64-*-*) have_unwind_getipinfo=no ;;
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*) have_unwind_getipinfo=yes ;;
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esac
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else
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# Darwin before version 9 does not have _Unwind_GetIPInfo.
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changequote(,)
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case ${target} in
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*-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;;
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*) have_unwind_getipinfo=yes ;;
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esac
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changequote([,])
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fi
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if test x$have_unwind_getipinfo = xyes; then
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AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
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fi
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])
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