[patches] EGLIBC.cross-building doc fix

[Jim Blandy <jimb@xxxxxxxxxxxxxxxx>]

I've committed the below.

ChangeLog.eglibc:
2007-04-20  Jim Blandy  <jimb@xxxxxxxxxxxxxxxx>

	* EGLIBC.cross-building: doc fix.

Index: EGLIBC.cross-building
===================================================================
--- EGLIBC.cross-building	(revision 2036)
+++ EGLIBC.cross-building	(working copy)
@@ -265,11 +265,16 @@
     >     --target=$target \
     >     --prefix=$tools \
     >     --with-sysroot=$sysroot \
+    >     --enable-__cxa_atexit \
     >     --disable-libssp --disable-libgomp --disable-libmudflap \
     >     --enable-languages=c,c++
     $ PATH=$tools/bin:$PATH make
     $ PATH=$tools/bin:$PATH make install
 
+The '--enable-__cxa_atexit' option tells GCC what sort of C++
+destructor support to expect from the C library; it's required with
+EGLIBC.
+
 And since GCC's installation process isn't designed to help construct
 sysroot trees, we must manually copy certain libraries into place in
 the sysroot.