Problems compiling kernel

I have a problem installing kernel 2.6.18 on Fedora 16. The error is: Code: scripts/kconfig/conf -s arch/i386/Kconfig   CHK    include/linux/version.h   UPD    include/linux/version.h   CHK    include/linux/utsrelease.h   UPD    include/linux/utsrelease.h   SYMLINK include/asm -> include/asm-i386   CC      arch/i386/kernel/asm-offsets.s   GEN    include/asm-i386/asm-offsets.h   CC      scripts/mod/empty.o   HOSTCC  scripts/mod/mk_elfconfig   MKELF  scripts/mod/elfconfig.h   HOSTCC  scripts/mod/file2alias.o   HOSTCC  scripts/mod/modpost.o   HOSTCC  scripts/mod/sumversion.o scripts/mod/sumversion.c: In function 'get_src_version': scripts/mod/sumversion.c:384:16: error: 'PATH_MAX' undeclared (first use in this function) scripts/mod/sumversion.c:384:16: note: each undeclared identifier is reported only once for each function it appears in scripts/mod/sumversion.c:384:7: warning: unused variable 'filelist' [-Wunused-variable] make[2]: *** [scripts/mod/sumversion.o] Error 1 make[1]: *** [scripts/mod] Error 2 make: *** [scripts] Error 2 how can i fix that error? Thanks

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