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@@ -401,6 +401,7 @@ config LDSO_GNU_HASH_SUPPORT
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choice
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prompt "Thread support"
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+ #default UCLIBC_HAS_THREADS_NATIVE if (TARGET_alpha || TARGET_arm || TARGET_i386 || TARGET_mips || TARGET_powerpc || TARGET_sh || TARGET_sh64)
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default HAS_NO_THREADS
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help
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If you want to compile uClibc with pthread support, then answer Y.
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@@ -431,11 +432,41 @@ config LINUXTHREADS_NEW
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the latest code from glibc, so it may be the only choice for the
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newer ports (like alpha/amd64/64bit arches and hppa).
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+config UCLIBC_HAS_THREADS_NATIVE
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+ bool "Native POSIX Threading (NPTL)"
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+ select UCLIBC_HAS_TLS
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+ help
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+ If you want to compile uClibc with NPTL support, then answer Y.
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+
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+ IMPORTANT NOTE! NPTL requires a Linux 2.6 kernel, binutils
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+ at least version 2.16 and GCC with at least version 4.1.0. NPTL
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+ will not work with older versions of any above sources. If you
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+ ignore any of these guidelines, you do so at your own risk. Do
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+ not ask for help on any of the development mailing lists.
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+
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+ !!!! WARNING !!!! BIG FAT WARNING !!!! REALLY BIG FAT WARNING !!!!
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+
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+ This is experimental code and at times it may not even build and
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+ even if it does it might decide to do random damage. This code is
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+ potentially hazardous to your health and sanity. It will remain
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+ that way until further notice at which point this notice will
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+ disappear. Thank you for your support and for not smoking.
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+
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endchoice
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config UCLIBC_HAS_THREADS
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def_bool y if !HAS_NO_THREADS
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+config UCLIBC_HAS_TLS
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+ bool "Thread-Local Storage"
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+ depends on UCLIBC_HAS_THREADS_NATIVE
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+ default n
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+ help
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+ If you want to enable TLS support then answer Y.
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+ This is fast an efficient way to store per-thread local data
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+ which is not on stack. It needs __thread support enabled in
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+ gcc.
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+
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config PTHREADS_DEBUG_SUPPORT
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bool "Build pthreads debugging support"
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default n
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@@ -1715,6 +1746,14 @@ config UCLIBC_HAS_GNU_GETOPT
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Most people will answer Y.
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+config UCLIBC_HAS_STDIO_FUTEXES
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+ bool "Use futexes for multithreaded I/O locking"
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+ default n
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+ depends on UCLIBC_HAS_THREADS_NATIVE
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+ help
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+ If you want to compile uClibc to use futexes for low-level
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+ I/O locking, answer Y. Otherwise, answer N.
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+
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config UCLIBC_HAS_GETOPT_LONG
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bool "Support getopt_long/getopt_long_only"
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depends on !UCLIBC_HAS_GNU_GETOPT
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