--- a/make/autoconf/buildjdk-spec.gmk.in	Tue Feb 05 09:53:33 2019 -0800
+++ b/make/autoconf/buildjdk-spec.gmk.in	Tue Feb 05 09:56:19 2019 -0800
@@ -75,6 +75,8 @@
 JVM_ASFLAGS := @OPENJDK_BUILD_JVM_ASFLAGS@
 JVM_LIBS := @OPENJDK_BUILD_JVM_LIBS@
 
+FDLIBM_CFLAGS := @OPENJDK_BUILD_FDLIBM_CFLAGS@
+
 # The compiler for the build platform is likely not warning compatible with the official
 # compiler.
 WARNINGS_AS_ERRORS := false