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2003-02-19(AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC): Limit stack sizeJim Meyering
to 1MB, so as not to render systems with no stack size limit (e.g., linux-2.2.x) unusable. Suggestion and code from Bruno Haible.
2003-02-06Include <unistd.h>. On some systems,Jim Meyering
it is required for the definition of _SC_PAGESIZE.
2002-06-22from diffutils-2.8.2Jim Meyering