kbuild: enable 'make CFLAGS=...' to add additional options to CC

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / sh / boot / compressed / Makefile

diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index e5f4437900794a66874de91e62a557572f5b0e81..906a13f82fe0d2f1b557c3a7da1b28077b3feb40 100644 (file)
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -15,18 +15,13 @@ endif
 
 #
 # IMAGE_OFFSET is the load offset of the compression loader
-# Assign dummy values if these 2 variables are not defined,
-# in order to suppress error message.
 #
-CONFIG_PAGE_OFFSET     ?= 0x80000000
-CONFIG_MEMORY_START     ?= 0x0c000000
-CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
+IMAGE_OFFSET   := $(shell /bin/bash -c 'printf "0x%08x" \
+                    $$[$(CONFIG_PAGE_OFFSET)  + \
+                       $(CONFIG_MEMORY_START) + \
+                       $(CONFIG_BOOT_LINK_OFFSET)]')
 
-IMAGE_OFFSET   := $(shell printf "0x%08x" $$[$(CONFIG_PAGE_OFFSET)  + \
-                                             $(CONFIG_MEMORY_START) + \
-                                             $(CONFIG_BOOT_LINK_OFFSET)])
-
-LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
 LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds