diff --git a/Makefile b/Makefile
index dcad69c..145459b 100644
--- a/Makefile
+++ b/Makefile
@@ -187,7 +187,7 @@ $(BUILD)/libcollections.rlib: rust/src/libcollections/lib.rs $(BUILD)/libcore.rl
 	$(RUSTC) $(RUSTCFLAGS) -o $@ $<
 
 openlibm/libopenlibm.a:
-	CC=$(CC) CFLAGS=-fno-stack-protector make -C openlibm
+	CROSSCC=$(CC) CFLAGS=-fno-stack-protector make -C openlibm libopenlibm.a
 
 $(BUILD)/libopenlibm.a: openlibm/libopenlibm.a
 	mkdir -p $(BUILD)
diff --git a/openlibm b/openlibm
index 3fc0160..3c837e7 160000
--- a/openlibm
+++ b/openlibm
@@ -1 +1 @@
-Subproject commit 3fc016023b0dd6b30dbd4e4942361c47d9b55779
+Subproject commit 3c837e79655c4be724efb945a6345ec97c07635c