aboutsummaryrefslogtreecommitdiffstats
path: root/chapter05
diff options
context:
space:
mode:
authorBryan Kadzban <bryan@linuxfromscratch.org>2009-06-12 05:25:14 +0000
committerBryan Kadzban <bryan@linuxfromscratch.org>2009-06-12 05:25:14 +0000
commit2594b0a146eb4f5f16c71dc2d916b0d6a7297560 (patch)
tree7bf51a368840e68b40af00c94e858b8ef18643e1 /chapter05
parent8e66c9dc50b02028e13b713df79810384f041872 (diff)
Add a sed to glibc to fix the constants passed to futex(2) in 32-bit builds. Seems to fix testsuite hangs (the tst-mutex9 process never exits, for instance).
This change is in upstream git, so this can be reverted once we upgrade glibc. git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8944 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter05')
-rw-r--r--chapter05/glibc.xml10
1 files changed, 10 insertions, 0 deletions
diff --git a/chapter05/glibc.xml b/chapter05/glibc.xml
index 23255dfa2..e6738437f 100644
--- a/chapter05/glibc.xml
+++ b/chapter05/glibc.xml
@@ -43,6 +43,16 @@
<sect2 role="installation">
<title>Installation of Glibc</title>
+ <!-- This sed can be removed for any glibc newer than 2.10.1 (along with the
+ matching sed in chapter 6). See glibc bug 10262. -->
+ <para>Fix an error in the constants that get passed to the futex system
+ call in some cases, causing certain pthread_mutex operations to fail:</para>
+
+<screen><userinput remap="pre">cp nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S{,.orig}
+sed -e 's/FUTEX_WAIT\( | FUTEX_CLOCK_REALTIME, reg\)/FUTEX_WAIT_BITSET\1/' \
+ &lt;nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S.orig \
+ &gt;nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S</userinput></screen>
+
<para>The Glibc documentation recommends building Glibc outside of the source
directory in a dedicated build directory:</para>