From 4737dfdde5e78df1c5f6d4c7adc8351a0c788c9b Mon Sep 17 00:00:00 2001 From: Austin Foxley Date: Fri, 2 Apr 2010 09:18:09 -0700 Subject: Revert "remove config knobs that belong to the nptl branch" This reverts commit de82658a05de0ace6f3d261dedc358d3a14f3681. Signed-off-by: Austin Foxley --- extra/Configs/Config.in | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) (limited to 'extra') diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in index 4ce4bb09b..4e13cd0d2 100644 --- a/extra/Configs/Config.in +++ b/extra/Configs/Config.in @@ -401,6 +401,7 @@ config LDSO_GNU_HASH_SUPPORT choice prompt "Thread support" + #default UCLIBC_HAS_THREADS_NATIVE if (TARGET_alpha || TARGET_arm || TARGET_i386 || TARGET_mips || TARGET_powerpc || TARGET_sh || TARGET_sh64) default HAS_NO_THREADS help If you want to compile uClibc with pthread support, then answer Y. @@ -431,11 +432,41 @@ config LINUXTHREADS_NEW the latest code from glibc, so it may be the only choice for the newer ports (like alpha/amd64/64bit arches and hppa). +config UCLIBC_HAS_THREADS_NATIVE + bool "Native POSIX Threading (NPTL)" + select UCLIBC_HAS_TLS + help + If you want to compile uClibc with NPTL support, then answer Y. + + IMPORTANT NOTE! NPTL requires a Linux 2.6 kernel, binutils + at least version 2.16 and GCC with at least version 4.1.0. NPTL + will not work with older versions of any above sources. If you + ignore any of these guidelines, you do so at your own risk. Do + not ask for help on any of the development mailing lists. + + !!!! WARNING !!!! BIG FAT WARNING !!!! REALLY BIG FAT WARNING !!!! + + This is experimental code and at times it may not even build and + even if it does it might decide to do random damage. This code is + potentially hazardous to your health and sanity. It will remain + that way until further notice at which point this notice will + disappear. Thank you for your support and for not smoking. + endchoice config UCLIBC_HAS_THREADS def_bool y if !HAS_NO_THREADS +config UCLIBC_HAS_TLS + bool "Thread-Local Storage" + depends on UCLIBC_HAS_THREADS_NATIVE + default n + help + If you want to enable TLS support then answer Y. + This is fast an efficient way to store per-thread local data + which is not on stack. It needs __thread support enabled in + gcc. + config PTHREADS_DEBUG_SUPPORT bool "Build pthreads debugging support" default n @@ -1715,6 +1746,14 @@ config UCLIBC_HAS_GNU_GETOPT Most people will answer Y. +config UCLIBC_HAS_STDIO_FUTEXES + bool "Use futexes for multithreaded I/O locking" + default n + depends on UCLIBC_HAS_THREADS_NATIVE + help + If you want to compile uClibc to use futexes for low-level + I/O locking, answer Y. Otherwise, answer N. + config UCLIBC_HAS_GETOPT_LONG bool "Support getopt_long/getopt_long_only" depends on !UCLIBC_HAS_GNU_GETOPT -- cgit v1.2.3