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Document the __tls_get_addr problem and its workaround
(--disable-__thread). (Logical change 1.101)
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README
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README
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@ -20,6 +20,17 @@ where PREFIX is the installation prefix. By default, a prefix of
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/usr/local/lib and unwind.h is installed in /usr/local/include. For
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testing, you may want to use a prefix of /usr/local instead.
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If, during the build, you're getting an error of the form:
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../src/.libs/libunwind-ia64.so: undefined reference to `__tls_get_addr'
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it indicates that you have a compiler which supports the `__thread'
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keyword, but a runtime system (C library), which does not. As of
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September 2003, this appears to be a common problem for Debian
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"unstable" systems. To work around this issue, run "./configure" with
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option "--disable-__thread".
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* Building with Intel ECC
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To build libunwind with the Intel Electron compiler (ECC), it is
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