# (which we know are built with gcc) are built with optimizations so
# prepend -O2 when setting CFLAGS_FOR_TARGET.
-CFLAGS_FOR_TARGET = -O2 $(CFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-+CFLAGS_FOR_TARGET = -O2 $(SYSROOT_CFLAGS_FOR_TARGET)
++CFLAGS_FOR_TARGET = -O2 $(LIBCFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
-+CXXFLAGS_FOR_TARGET = -O2 $(SYSROOT_CFLAGS_FOR_TARGET)
++CXXFLAGS_FOR_TARGET = -O2 $(LIBCFLAGS) $(SYSROOT_CFLAGS_FOR_TARGET)
LIBCFLAGS_FOR_TARGET = $(CFLAGS_FOR_TARGET)
LIBCXXFLAGS_FOR_TARGET = $(CXXFLAGS_FOR_TARGET) -fno-implicit-templates
LDFLAGS_FOR_TARGET =