PHP 4.0 Bug #4259: compile failure in file.c line 1283

From: david.munsey-kano@dartmouth.edu Operating system: Digital UNIX V4.0F (Rev. 1229) PHP version: 4.0 Release Candidate 1 PHP Bug Type: Compile Failure Bug description: compile failure in file.c line 1283 Note that Digital Unix *does* have mmap. Here is the top of the man page: NAME mmap - Maps file system object into virtual memory SYNOPSIS #include <sys/mman.h> void *mmap ( void *addr, size_t len, int prot, int flags, int filedes, off_t off ); [Digital] The following definition of the mmap() function does not conform to current standards and is supported only for backward compatibility (see standards(5)): caddr_t mmap ( caddr_t addr, size_t len, int prot, int flags, int filedes, off_t off ); STANDARDS Interfaces documented on this reference page conform to industry standards as follows: mmap(): XPG4-UNIX Refer to the standards(5) reference page for more information about indus- try standards and associated tags. Standards: standards(5) ----------- end of man page text --------- Here is the error I got: cc: Error: file.c, line 1283: In this statement, "p" and "(-1)" cannot be compared for equality or inequality. (noequality) if(p != MAP_FAILED) { ---------------------------^