uClibc error

When we compile our user application, we got these errors:(only 3 error in hundreds of similar errors)

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[1]

d:/EDA/altera/kits/nios2_50/bin/eclipse/plugins/com.microtronix.nios2linux.uClibc_1.4.0/include/asm/semaphore.h:118: error: dereferencing pointer to incomplete type[/b]

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[2]

d:/EDA/altera/kits/nios2_50/bin/eclipse/plugins/com.microtronix.nios2linux.uClibc_1.4.0/include/asm-generic/siginfo.h:51: error: parse error before "pid_t"[/b]

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[3]d:/EDA/altera/kits/nios2_50/bin/eclipse/plugins/com.microtronix.nios2linux.uClibc_1.4.0/include/asm-generic/siginfo.h:51: warning: no semicolon at end of struct or union[/b]

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Maybe it is big problem if uClib is error cause I don&#39;t know what to do next.

By the way, what these error mean:

1. "in inclusion ..."

2. "multiple markers..."

thanks.