--- /tmp/adobe-flash-10.2.152.27_p201011173-r1.ebuild	2011-02-11 18:08:15.000000000 +0200
+++ adobe-flash-10.2.152.27_p201011173-r1.ebuild	2011-02-11 18:22:55.000000000 +0200
@@ -3,7 +3,7 @@
 # $Header: /var/cvsroot/gentoo-x86/www-plugins/adobe-flash/adobe-flash-10.2.152.27_p201011173-r1.ebuild,v 1.1 2011/02/11 13:54:15 lack Exp $
 
 EAPI=3
-inherit rpm nsplugins multilib toolchain-funcs versionator
+inherit rpm nsplugins multilib toolchain-funcs versionator flag-o-matic
 
 # Note: There is no "square" for 32-bit!  Just use the current 32-bit release:
 PV_REL=$(get_version_component_range 1-4)
@@ -123,6 +123,26 @@
 			"${FILESDIR}/flashplugin-lahf-fix.c" \
 			|| die "Compile of flashplugin-lahf-fix.so failed"
 	fi
+	pushd "${T}" > /dev/null
+	cat <<-EOF > flashmemcpy.c
+	#include <sys/types.h>
+	void *memcpy(void *dst, const void *src, size_t size)
+	{
+	void *orig = dst;
+	asm volatile("rep ; movsq"
+	:"=D" (dst), "=S" (src)
+	:"0" (dst), "1" (src), "c" (size >> 3)
+	:"memory");
+	asm volatile("rep ; movsb"
+	:"=D" (dst), "=S" (src)
+	:"0" (dst), "1" (src), "c" (size & 7)
+	:"memory");
+	return orig;
+	}
+	EOF
+	$(tc-getCC) ${CFLAGS} -c flashmemcpy.c || die
+	$(tc-getLD) $(raw-ldflags) -G flashmemcpy.o -o flashmemcpy.so || die
+	popd > /dev/null
 }
 
 src_install() {
@@ -165,6 +185,9 @@
 	# The magic config file!
 	insinto "/etc/adobe"
 	doins "${FILESDIR}/mms.cfg"
+
+	exeinto /usr/$(get_libdir)/${PN}
+	doexe "${T}"/flashmemcpy.so || die
 }
 
 pkg_postinst() {
@@ -205,4 +228,9 @@
 	ewarn "issues.  Please consider only running flash applets you know to"
 	ewarn "be safe.  The 'flashblock' extension may help for mozilla users:"
 	ewarn "  https://addons.mozilla.org/en-US/firefox/addon/433"
+
+	ewarn
+	ewarn "You need to launch your browser prepending LD_PRELOAD=\"/usr/$(get_libdir)/adobe-flash/flashmemcpy.so\""
+	ewarn "in command line for bug 354073 if you experience sound problems with	recent glibc."
+	ewarn
 }