=== modified file 'include/grub/gpt_partition.h'
--- include/grub/gpt_partition.h	2009-04-19 20:38:46 +0000
+++ include/grub/gpt_partition.h	2010-11-23 17:33:09 +0000
@@ -36,7 +36,7 @@
   }
 
 #define GRUB_GPT_PARTITION_TYPE_BIOS_BOOT \
-  { grub_cpu_to_le32 (0x21686148), grub_cpu_to_le16 (0x6449), grub_cpu_to_le16 (0x6e6f), \
+  { grub_cpu_to_le32_compile_time (0x21686148), grub_cpu_to_le16_compile_time (0x6449), grub_cpu_to_le16_compile_time (0x6e6f), \
     { 0x74, 0x4e, 0x65, 0x65, 0x64, 0x45, 0x46, 0x49 } \
   }
 

=== modified file 'include/grub/types.h'
--- include/grub/types.h	2010-10-26 10:29:12 +0000
+++ include/grub/types.h	2010-11-23 17:32:43 +0000
@@ -146,6 +146,9 @@
    (grub_uint16_t) ((_x << 8) | (_x >> 8)); \
 })
 
+#define grub_swap_bytes16_compile_time(x) ((((x) & 0xff) << 8) | (((x) & 0xff00) >> 8))
+#define grub_swap_bytes32_compile_time(x) ((((x) & 0xff) << 24) | (((x) & 0xff00) << 8) | (((x) & 0xff0000) >> 8) | (((x) & 0xff000000) >> 24))
+
 #if defined(__GNUC__) && (__GNUC__ > 3) && (__GNUC__ > 4 || __GNUC_MINOR__ >= 3)
 static inline grub_uint32_t grub_swap_bytes32(grub_uint32_t x)
 {
@@ -193,6 +196,8 @@
 # define grub_be_to_cpu16(x)	((grub_uint16_t) (x))
 # define grub_be_to_cpu32(x)	((grub_uint32_t) (x))
 # define grub_be_to_cpu64(x)	((grub_uint64_t) (x))
+# define grub_cpu_to_le32_compile_time(x)	grub_swap_bytes32_compile_time(x)
+# define grub_cpu_to_le16_compile_time(x)	grub_swap_bytes16_compile_time(x)
 #else /* ! WORDS_BIGENDIAN */
 # define grub_cpu_to_le16(x)	((grub_uint16_t) (x))
 # define grub_cpu_to_le32(x)	((grub_uint32_t) (x))
@@ -206,6 +211,8 @@
 # define grub_be_to_cpu16(x)	grub_swap_bytes16(x)
 # define grub_be_to_cpu32(x)	grub_swap_bytes32(x)
 # define grub_be_to_cpu64(x)	grub_swap_bytes64(x)
+# define grub_cpu_to_le16_compile_time(x)	((grub_uint16_t) (x))
+# define grub_cpu_to_le32_compile_time(x)	((grub_uint32_t) (x))
 #endif /* ! WORDS_BIGENDIAN */
 
 #endif /* ! GRUB_TYPES_HEADER */