diff -ru a/substract_wave-0.3.ebuild b/substract_wave-0.3.ebuild
--- a/substract_wave-0.3.ebuild	2009-05-11 20:38:04.000000000 +0000
+++ b/substract_wave-0.3.ebuild	2010-09-16 03:59:43.938814213 +0000
@@ -16,6 +16,9 @@
 
 src_prepare() {
 	epatch "${FILESDIR}"/${P}-Makefile.patch
+	sed -i \
+		-e 's/strcpy(\(out_header -> [a-z_]\+\), \(".*"\))/memcpy(\1, \2, sizeof(\1))/' \
+		substract_wave.c || die
 }
 
 src_compile() {