急大家帮小弟我看看啊错了很久了

急！！～～大家帮我看看啊，错了很久了
我用的飞思卡尔的IMX21的板子，现在要移植2.6的内核上去，但是编译的时候在这里一直通不过，请大家帮忙看看，谢谢了
CHK include/linux/compile.h
AS arch/arm/kernel/head.o
arch/arm/kernel/head.S: Assembler messages:
arch/arm/kernel/head.S:267: Error: missing ')'
arch/arm/kernel/head.S:267: Error: missing ')'
arch/arm/kernel/head.S:267: Error: missing ')'
arch/arm/kernel/head.S:267: Error: garbage following instruction -- `ldr r4,=(((0xc0000000UL)+0x00008000)-0x4000)'
arch/arm/kernel/head.S:332: Error: missing ')'
arch/arm/kernel/head.S:332: Error: missing ')'
arch/arm/kernel/head.S:332: Error: garbage following instruction -- `orr r6,r7,#((0xc0000000UL)&0xff000000)'
arch/arm/kernel/head.S:333: Error: missing ')'
arch/arm/kernel/head.S:333: Error: missing ')'
arch/arm/kernel/head.S:333: Error: junk at end of line, first unrecognized character is `U'
arch/arm/kernel/head.S:334: Error: missing ')'
arch/arm/kernel/head.S:334: Error: missing ')'
arch/arm/kernel/head.S:334: Error: garbage following instruction -- `orr r6,r6,#((0xc0000000UL)&0x00f00000)'
make[1]: *** [arch/arm/kernel/head.o] Error 1
make: *** [arch/arm/kernel] Error 2


------解决方案--------------------

探讨

谢谢各位，我已经解决了，是编译器宏定义之间的不同造成的，呵呵，
老版本里是 #define PHYS_OFFSET UL(0xc0000000)
新版本是 #define PHYS_OFFSET (0xc0000000UL)