2/14/95 dcurtis:
	1) driver/driver.c: mods to work with linux (linking) (Montwill)
	2) driver/Makefile.linux: minor dependency improvements
	3) example,example-debug/factorial.clu: 
		let negative numbers cause failure
	4) example,example-debug/Makefile.linux: changed to use PCLU
	5) example,example-debug/Makefile.linux.pclu:
		(formerly Makefile.linux) (uses pclu, not PCLU)

8/26/2016 dcurtis

Updated the distribution to glibc on 64-bit architectures.
cmp/
  ccopt.cmd: added -I~CLU/code/gc/include
  stable.c: removed extern errcode unparse();
  syntax.c:
code/debug/libinfo.h: deleted unused, but conflicting `extern errcode sleep();'
code/libasm/Opt/
  _set_alarm.c: renamed alarm() to clu_alarm()
  _signal.c: updated definition of gcflag
  _wordvec.c: modified for 64-bit architecture
  link_file.c: changed 'link(oname, nname)' to 'link(oname.ref, nname.ref)'
  pause.c: changed return type of pause() from errcode to int
  sleep.c: changed 'errcode sleep(secs)' to 'unsigned int sleep(isecs)'
  symlink_file.c: changed 'symlink(oname, nname)' to 'symlink(oname.ref, nname.ref)'
  many files: replaced 'extern int errno;' by '#include <errno.h>'
  many files: replaced '#endif lint' by '#endif'
code/gc: modified to use gc-7.2 release
code/include/pclu_sys.h: modified wrt gc-7.2
code/libclu: added gc_dump.clu
code/sysasm/Opt/
  array.c: removed several (odd? obsolete?)  error checks
  util.c: minor? changes to definition of errcmp

11/7-29/2016 sgarland

updated all makefiles
removed all Makefile.alpha, Makefile.mips
updated CHANGES, README, howto.install
replaced additional occurrences of '#endif lint' by '#endif'
modified code/libasm/Opt/util.c to use strerror, not deprecated sys_errlist
updated doc/Makefile to generate .pdf instead of .ps
updated exe/plink
  removed -lbsd from loader flags, added -lgc, -lpthread
  made optimized code the default
updated documentation
changed logging code in gc_read.clu, gcd_tab.clu in lib/clu
changed definition of CLUREFSZ from 8 back to 4 in lib/gcd.equ
commented out failing check for "insufficient room" in cludent/_buffered_read.clu
