diff options
Diffstat (limited to 'contrib/bmake/bmake.1')
| -rw-r--r-- | contrib/bmake/bmake.1 | 47 |
1 files changed, 36 insertions, 11 deletions
diff --git a/contrib/bmake/bmake.1 b/contrib/bmake/bmake.1 index 39d28c4..603481e 100644 --- a/contrib/bmake/bmake.1 +++ b/contrib/bmake/bmake.1 @@ -1,4 +1,4 @@ -.\" $NetBSD: make.1,v 1.249 2015/06/05 07:33:40 wiz Exp $ +.\" $NetBSD: make.1,v 1.254 2016/02/20 01:43:28 wiz Exp $ .\" .\" Copyright (c) 1990, 1993 .\" The Regents of the University of California. All rights reserved. @@ -29,7 +29,7 @@ .\" .\" from: @(#)make.1 8.4 (Berkeley) 3/19/94 .\" -.Dd June 4, 2015 +.Dd February 19, 2016 .Dt MAKE 1 .Os .Sh NAME @@ -293,7 +293,7 @@ then will search for the specified file or directory named in the remaining part of the argument string. The search starts with the current directory of -the Makefile and then works upward towards the root of the filesystem. +the Makefile and then works upward towards the root of the file system. If the search is successful, then the resulting directory replaces the .Qq \&.../ specification in the @@ -868,7 +868,7 @@ This can be overridden by setting .Va bf to a value which represents True. .It Pa env -For debugging, it can be useful to inlcude the environment +For debugging, it can be useful to include the environment in the .meta file. .It Pa verbose If in "meta" mode, print a clue about the target being built. @@ -918,7 +918,7 @@ The default value is: This variable is used to record the names of variables assigned to on the command line, so that they may be exported as part of .Ql Ev MAKEFLAGS . -This behaviour can be disabled by assigning an empty value to +This behavior can be disabled by assigning an empty value to .Ql Va .MAKEOVERRIDES within a makefile. Extra variables can be exported from a makefile @@ -941,6 +941,19 @@ The process-id of .It Va .MAKE.PPID The parent process-id of .Nm . +.It Va .MAKE.SAVE_DOLLARS +value should be a boolean that controls whether +.Ql $$ +are preserved when doing +.Ql := +assignments. +The default is false, for backwards compatibility. +Set to true for compatability with other makes. +If set to false, +.Ql $$ +becomes +.Ql $ +per normal evaluation rules. .It Va MAKE_PRINT_VAR_ON_ERROR When .Nm @@ -1044,7 +1057,7 @@ sets to the value of .Ql Ev PWD instead. -This behaviour is disabled if +This behavior is disabled if .Ql Ev MAKEOBJDIRPREFIX is set or .Ql Ev MAKEOBJDIR @@ -1114,7 +1127,7 @@ The wildcard characters may be escaped with a backslash As a consequence of the way values are split into words, matched, and then joined, a construct like .Dl ${VAR:M*} -will normalise the inter-word spacing, removing all leading and +will normalize the inter-word spacing, removing all leading and trailing space, and converting multiple consecutive spaces to single spaces. . @@ -1134,7 +1147,7 @@ Randomize words in variable. The results will be different each time you are referring to the modified variable; use the assignment with expansion .Pq Ql Cm \&:= -to prevent such behaviour. +to prevent such behavior. For example, .Bd -literal -offset indent LIST= uno due tre quattro @@ -1166,7 +1179,7 @@ The value is a format string for using the current .Xr gmtime 3 . .It Cm \&:hash -Compute a 32bit hash of the value and encode it as hex digits. +Compute a 32-bit hash of the value and encode it as hex digits. .It Cm \&:localtime The value is a format string for .Xr strftime 3 , @@ -1444,7 +1457,7 @@ value is divided into words. .Pp Ordinarily, a value is treated as a sequence of words delimited by white space. -Some modifiers suppress this behaviour, +Some modifiers suppress this behavior, causing a value to be treated as a single word (possibly containing embedded white space). An empty value, or a value that consists entirely of white-space, @@ -1530,12 +1543,20 @@ For compatibility with other versions of .Nm .Ql include file ... is also accepted. +.Pp If the include statement is written as .Cm .-include or as .Cm .sinclude then errors locating and/or opening include files are ignored. .Pp +If the include statement is written as +.Cm .dinclude +not only are errors locating and/or opening include files ignored, +but stale dependencies within the included file will be ignored +just like +.Va .MAKE.DEPENDFILE . +.Pp Conditional expressions are also preceded by a single dot as the first character of a line. The possible conditionals are as follows: @@ -1571,6 +1592,10 @@ This allows exporting a value to the environment which is different from that used by .Nm internally. +.It Ic .export-literal Ar variable ... +The same as +.Ql .export-env , +except that variables in the value are not expanded. .It Ic .info Ar message The message is printed along with the name of the makefile and line number. .It Ic .undef Ar variable @@ -2068,7 +2093,7 @@ The sources are a set of pairs. .Bl -tag -width hasErrCtls .It Ar name -This is the minimal specification, used to select one of the builtin +This is the minimal specification, used to select one of the built-in shell specs; .Ar sh , .Ar ksh , |
