暫定処分。ElectricFence-2.2.2-pmemalign.patchを入れる。正常なposix_memalignとは違うんだけど、誤検出で動かないよりはマシだろう。specファイルを書き替えてbuild。

Index: ElectricFence.spec
===================================================================
RCS file: /cvs/dist/devel/ElectricFence/ElectricFence.spec,v
retrieving revision 1.12
diff -u -p -b -B -w -r1.12 ElectricFence.spec
--- ElectricFence.spec  5 Mar 2005 19:55:03 -0000       1.12
+++ ElectricFence.spec  4 Oct 2005 10:03:36 -0000
@@ -1,7 +1,7 @@
 Summary: A debugger which detects memory allocation violations.
 Name: ElectricFence
 Version: 2.2.2
-Release: 20
+Release: 20w
 License: GPL
 Group: Development/Tools
 Source: ftp://ftp.perens.com/pub/ElectricFence/beta/%{name}-%{version}.tar.gz
@@ -9,6 +9,7 @@ Patch1: ElectricFence-2.0.5-longjmp.patc
 Patch2: ElectricFence-2.1-vaarg.patch
 Patch3: ElectricFence-2.2.2-pthread.patch
 Patch4: ElectricFence-2.2.2-madvise.patch
+Patch5: ElectricFence-2.2.2-pmemalign.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-root
 Requires: /sbin/ldconfig

@@ -30,6 +31,7 @@ violations.
 %patch2 -p1 -b .vaarg
 %patch3 -p1 -b .pthread
 %patch4 -p1 -b .madvise
+%patch5 -p1 -b .pmemalign

 %build
 make CFLAGS='${RPM_OPT_FLAGS} -DUSE_SEMAPHORE -fpic'

ついでに、~/.gdbinitに以下を入れる。

define ef
  set environment LD_PRELOAD /usr/lib/libefence.so.0
end

これでgdbから実行(R)前にefと打てば、どうにか使えるだろう。