--- a/dev-embedded/sdcc/sdcc-3.8.0-r1.ebuild	
+++ a/dev-embedded/sdcc/sdcc-3.8.0-r1.ebuild	
@@ -84,6 +84,7 @@ src_prepare() {
 src_configure() {
 	# sdbinutils subdir doesn't pass down --docdir properly, so need to
 	# expand $(datarootdir) ourselves.
+	unset ARCH
 	econf \
 		ac_cv_prog_AR="$(tc-getAR)" \
 		ac_cv_prog_AS="$(tc-getAS)" \
@@ -116,6 +117,11 @@ src_configure() {
 		--without-ccache
 }
 
+src_compile() {
+	unset ARCH
+	default
+}
+
 src_install() {
 	default
 	dodoc doc/*.txt