From: Mathieu Desnoyers Date: Thu, 29 Dec 2011 14:48:25 +0000 (-0500) Subject: Merge branch 'master' into urcu/ht-shrink X-Git-Tag: v0.7.0~43^2~2 X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=commitdiff_plain;h=79d5479e9f6dfe097fc24b0ddf2fe7fd1ba0f43b;hp=c9582f158c435783c9675ea763735d975d92ed91 Merge branch 'master' into urcu/ht-shrink --- diff --git a/README b/README index ce25e3a..104ef2a 100644 --- a/README +++ b/README @@ -29,7 +29,7 @@ Currently, x86 (i386, i486, i586, i686), x86 64-bit, PowerPC 32/64, S390, S390x, ARM, Alpha, ia64 and Sparcv9 32/64 are supported. Only tested on Linux so far, but should theoretically work on other operating systems. -ARM depends on running a Linux kernel 2.6.15 or better. +ARM depends on running a Linux kernel 2.6.15 or better, GCC 4.4 or better. The gcc compiler versions 3.3, 3.4, 4.0, 4.1, 4.2, 4.3, 4.4 and 4.5 are supported, with the following exceptions: @@ -41,8 +41,9 @@ supported, with the following exceptions: http://www.mail-archive.com/gcc-bugs@gcc.gnu.org/msg281255.html - gcc 3.3 cannot match the "xchg" instruction on 32-bit x86 build. See: http://kerneltrap.org/node/7507 -- Alpha, ia64 and ARM architectures depend on 4.x gcc with atomic builtins - support. +- Alpha, ia64 and ARM architectures depend on gcc 4.x with atomic builtins + support. For ARM this was introduced with gcc 4.4: + http://gcc.gnu.org/gcc-4.4/changes.html For developers using the git tree: