-# correct C compiler backend).
-CONF_CC_OPTS = @CONF_CC_OPTS@
-CONF_LD_OPTS = @CONF_LD_OPTS@
+# correct C compiler backend). The stage number is the stage of GHC
+# that is being used to compile with.
+CONF_CC_OPTS_STAGE0 = @CONF_CC_OPTS_STAGE0@
+CONF_CC_OPTS_STAGE1 = @CONF_CC_OPTS_STAGE1@
+CONF_CC_OPTS_STAGE2 = @CONF_CC_OPTS_STAGE2@
+CONF_GCC_LINKER_OPTS_STAGE0 = @CONF_GCC_LINKER_OPTS_STAGE0@
+CONF_GCC_LINKER_OPTS_STAGE1 = @CONF_GCC_LINKER_OPTS_STAGE1@
+CONF_GCC_LINKER_OPTS_STAGE2 = @CONF_GCC_LINKER_OPTS_STAGE2@
+CONF_LD_LINKER_OPTS_STAGE0 = @CONF_LD_LINKER_OPTS_STAGE0@
+CONF_LD_LINKER_OPTS_STAGE1 = @CONF_LD_LINKER_OPTS_STAGE1@
+CONF_LD_LINKER_OPTS_STAGE2 = @CONF_LD_LINKER_OPTS_STAGE2@
+CONF_CPP_OPTS_STAGE0 = @CONF_CPP_OPTS_STAGE0@
+CONF_CPP_OPTS_STAGE1 = @CONF_CPP_OPTS_STAGE1@
+CONF_CPP_OPTS_STAGE2 = @CONF_CPP_OPTS_STAGE2@