diff --git a/xbps-src/shutils/tmpl_funcs.sh.in b/xbps-src/shutils/tmpl_funcs.sh.in
index d4f5ab661f1..f24f830fe03 100644
--- a/xbps-src/shutils/tmpl_funcs.sh.in
+++ b/xbps-src/shutils/tmpl_funcs.sh.in
@@ -274,8 +274,10 @@ set_tmpl_common_vars()
 			LDLIBPATH="$XBPS_MASTERDIR/usr/lib"
 		fi
 		if [ -n "$BUILD_32BIT" ]; then
+			# Force gcc multilib to emit 32bit binaries.
 			export CC="gcc -m32"
 			export CXX="g++ -m32"
+			# Export default 32bit directories.
 			LDLIBPATH="$LDLIBPATH:/lib32:/usr/lib32"
 			LDFLAGS="-L/lib32 -L/usr/lib32"
 		fi