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authorAustin Foxley <austinf@cetoncorp.com>2010-04-02 09:18:09 -0700
committerAustin Foxley <austinf@cetoncorp.com>2010-04-02 09:19:24 -0700
commit4737dfdde5e78df1c5f6d4c7adc8351a0c788c9b (patch)
tree214036a83c44792cafa3a25512e8b2dce98fb57b /extra/Configs
parentaae3eb9256affb18cff589b52ee26e0a4e557bbd (diff)
Revert "remove config knobs that belong to the nptl branch"
This reverts commit de82658a05de0ace6f3d261dedc358d3a14f3681. Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'extra/Configs')
-rw-r--r--extra/Configs/Config.in39
1 files changed, 39 insertions, 0 deletions
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