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char *xxxvers = "\n@(#) MAKE. VERSION 2.78 22 MAY 1986\n" ;
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static char *sccsid = "@(#)ident.c 8th Edition (Bell Labs) 85/10/28";
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/*
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2.1 4/24/76 Base version
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2.2 4/26/76 Error found by SRB in overriding pattern rules;
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corrected gram.y
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2.3 4/27/76 Further correction for overriding pattern rules;
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corrected doname.c
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2.4 Removed .CLEAR name, added .IGNORE.
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A .SUFFIXES rule without dependents clears the list
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2.5 Stripped output
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2.6 Changed doshell to accomodate new shell.
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2.7 Following SRB's sugestion, added ${...} as
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alternate macro name
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2.8 Defined macros AS and DTGEN in files.c.
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2.9 Put in a fix to prevent removal of files
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upon interrupt in a :: rule.
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2.10 Fixed bugs involving messages for ::
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and closing standard input
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2.11 Changed time test from <= to <
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(equal times are considered in sync)
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2.12 Installed -t flag (touch and update time of
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files rather than issue commands)
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Fixed bug in dosys
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2.13 Fixed lex.c to allow sharps (#) in commands
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2.14 Added .DEFAULT rule
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2.15 Changed to <lS> I/O System (stdio.h)
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2.16 Removed references to double floats and macro HAVELONGS;
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committed to use of long ints for times.
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2.17 Corrected metacharacter list in dosys.c.
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2.18 Miscellaneous fixes
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2.19 Updated files.c to use include file stat.h
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2.20 Added -q flag for Mike Lesk
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2.21 Added AWK rules and .w suffix to files.c
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2.22 Added colon to the list of metacharacters
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2.23 Macro substitutions on dependency lines.
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Redid argument and macro setting.
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Close files before exec'ing.
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Print > at beginning of command lines.
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No printing of commands beginnng with @.
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2.24 Parametrized propt sequence in doname.c (4/1/77)
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2.25 Added $? facility
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2.26 Fixed bug in macro expansion
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2.27 Repaired interrupt handling
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2.28 Repaired bug in -n
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2.29 Repaired bug in file closing and $? string creation
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2.30 Repaired bug in grammar about command lines
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2.31 Added -k flag, modified doname.c and defs
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2.32 Made "keepgoing" the default, added -S flag,
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changed handling of funny characters internally
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2.3 Small fixups to interrupt and quit handling.
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Changed default back to -k.
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2.34 Added .PRECIOUS rule for interrupts
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2.35 Added references to include files (due to TLL)
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2.36 Fixed bug in lex.c so = permitted in rules on :; line
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2.37 Miscellaneous code cleanups
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2.38 Sleep one second after each touch in -t mode
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2.39 Extended string[] declaration in doname.c
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2.40 Permit recursive macro references
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2.41 Separated YYLMAX into INMAX and OUTMAX macros, specifying longest
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input and output lines respectively.
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2.42 Fixed bug involving :: lines without dependents
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2.43 Main name is first name that contains a slash or doesn't
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begin with a dot
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2.44 Fixed bug involving $$ on command line
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2.45 Changed files.c to put .f before .e, .r and to use f77 instead of fc.
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2.46 Changed dosys.c to eliminate copying and to call execvp.
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2.47 Changed files.c to add ".out" suffix and rules.
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2.48 Changed misc.c to permit tabs preceding = in macro definition
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2.49 Added reference to <ctyp.h>. Removed -lS references from files.c
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2.50 General cleanup to reduce lint messages. (changes in declarations
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and in uses of variables)
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2.51 Further cleanup making use of new Yacc features.
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2.52
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2.53 Changed handling of "touch"
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2.54 Fixed bug involving comments in lexical analyzer.
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2.55 Ignore commands that begin with a # are comments.
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2.56 Added = to list of META characters (to permit shell commands)
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2.57 Changed lookarch and getobj to fix bugs.
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2.58 Fixed interrupt handling.
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2.59 Changed references to sprintf to accomodate new function definition
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Also fixed extern declarations.
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2.60 Limited the number of open directories.
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2.61 Added code to handle archives with ascii headers.
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2.62 Joe Condon Fixes to archive formats
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2.63 Pattern Matching (%) stuff.
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2.64 Reinstalled $(TGS) as $^ from other version
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2.65 Installed dynamic macros ( := commands).
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2.66 Sped up pattern matching code
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2.67 Changed pattern matching code to permit multiple dependents
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2.68 Added + (do it despite -n) prefix to command lines.
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Fixed bug involving metacharacter expansions on dependency lines.
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2.69 Added & to dependency lines and new background process spawning
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2.70 Added Bradford's macros: $/, $@, *D, *F, <D, <F, @D, @F.
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2.71 Added include stack to input.
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Added check for sccs makefiles: s.[Mm]akefile
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2.72 Load environment into macro tables. Added Bradford's -e flag.
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2.73 Pass changed environment macros out to commands.
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2.74 Fixed limit on args in dosys.c.
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Non-existent archives now treated as other non-existent files.
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2.75 Fixed bug in rehash.
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2.76 Fixed bug when pattern searching in non-existent directory
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Fixed infinite loop when awaiting failed process
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Now wait till all subjobs finish before returning
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make, unless a subjob fails
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2.77 Added -z option that always forces shell invocation
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rather than direct fork-exec
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2.78 Check for error (-1) returned from fork
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*/
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