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Zardshard d98b633cf6 jam: document JAM_TARGETS variable 
I only learned of this variable from reading Haiku's source code.
So, I tried to make a quick addition to the documenation (though it
took longer than I expected :P).

JAM_TARGETS was added in commit a1a02bed3c

Change-Id: I490472eb75305b7783e23784b728fdf5fb6e0012
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/7420
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
2024-02-23 18:52:26 +00:00

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<HTML>
<TITLE>
Jambase Reference
</TITLE>
<BODY>
<CENTER>
<a href=http://www.perforce.com/jam/jam.html>
Jam
</a>
<H1>
<A NAME="TOP">
Jambase Reference
</A>
</H1>
</CENTER>
<P>
Jambase is a base set of Jam rules which
provide roughly make(1)-like functionality for
<a href="Jam.html"><b>jam</b></A>, the Jam executable program.
This document, which started out as the Jambase(5) man page,
is a reference guide to the
<A href="#RULES">rules</A>,
<A href="#PSEUDOTARGETS">pseudotargets</A>,
and <A href="#VARS">variables</A>
defined in Jambase for use in Jamfiles.
<P>
For further information see:
<UL>
<LI>
<a href="Jamfile.html">Using Jamfiles and Jambase</A>
<LI>
<a href="Jam.html">The Jam Executable Program</A>
</UL>
<P>
Jam documentation and source are available from the
<A HREF=http://public.perforce.com/public/index.html>Perforce Public Depot</a>.
For detailed information about any of the rules summarized below,
see the
<A HREF=http://public.perforce.com/public/jam/src/Jambase>Jambase</a>
file itself.
<HR>
<H2>
<A NAME="RULES">
Jambase Rules
</A>
</H2>
<P>
<B>As</B> <I>obj.o</I> : <I>source.s</I> ;
<BLOCKQUOTE>
Assemble the file <I>source.s.</I> Called by the Object
rule.
</BLOCKQUOTE>
<B>Bulk</B> <I>directory</I> : <I>sources</I> ;
<BLOCKQUOTE>
Copies <I>sources</I> into <I>directory.</I>
</BLOCKQUOTE>
<B>Cc</B> <I>object</I> : <I>source</I> ;
<BLOCKQUOTE>
Compile the file <I>source</I> into <I>object,</I> using the C
compiler $(CC), its flags $(CCFLAGS) and $(OPTIM),
and the header file directories $(HDRS). Called by
the Object rule.
</BLOCKQUOTE>
<B>C++</B> <I>obj.o</I> : <I>source.cc</I> ;
<BLOCKQUOTE>
Compile the C++ source file <I>source.cc.</I> Called by
the Object rule.
</BLOCKQUOTE>
<B>Chmod</B> <I>target</I> ;
<BLOCKQUOTE>
<I>(Unix and VMS only.)</I>
Change file permissions on <I>target</I> to
target-specific $(MODE) value set by Link, File,
Install*, and Shell rules.
</BLOCKQUOTE>
<B>Clean</B> <I>clean</I> : <I>targets</I> ;
<BLOCKQUOTE>
Removes existing <I>targets</I> when <I>clean</I> is built.
clean is not a dependency of all, and must be built
explicitly for targets to be removed.
</BLOCKQUOTE>
<B>FDefines</B> <I>defines</I> ; <BLOCKQUOTE>
Expands a list of definitions into a list of compiler
(or preprocessor) switches (such as
-D<I>symbol</I>=<I>val</I> on Unix)
to pass the definitions.
</BLOCKQUOTE>
<B>File</B> <I>target</I> : <I>source</I> ;
<BLOCKQUOTE>
Copies <I>source</I> into <I>target.</I>
</BLOCKQUOTE>
<B>FIncludes</B> <I>dirs</I> ; <BLOCKQUOTE>
Expands a list of directories into a list of compiler
(or preprocessor) switches (such as -I<I>dir</I> on Unix)
to add the directories to the header inclusion search path.
</BLOCKQUOTE>
<B>Fortran</B> <I>obj.o</I> : <I>source.f</I> ;
<BLOCKQUOTE>
Compile the Fortran source file <I>source.f.</I> Called
by the Object rule.
</BLOCKQUOTE>
<B>FQuote</B> <I>files</I> ; <BLOCKQUOTE>
Returns each of <I>files</I> suitably quoted so as to hide shell
metacharacters (such as whitespace and filename matching wildcards)
from the shell.
</BLOCKQUOTE>
<P>
<B>GenFile</B> <I>target</I> : <I>image</I> <I>sources</I> ;
<BLOCKQUOTE>
Runs the command "<I>image</I> <I>target</I> <I>sources</I>"
to create <I>target</I> from <I>sources</I> and
<I>image</I>. (where <I>image</I> is an
executable built by the Main rule.)
</BLOCKQUOTE>
<B>HardLink</B> <I>target</I> : <I>source</I> ;
<BLOCKQUOTE>
Makes <I>target</I> a hard link to <I>source,</I> if it isn't one
already. (Unix only.)
</BLOCKQUOTE>
<B>HdrRule</B> <I>source</I> : <I>headers</I> ;
<BLOCKQUOTE>
Arranges the proper dependencies when the file
<I>source</I> includes the files <I>headers</I> through the
"#include" C preprocessor directive.
<P>
This rule is not intended to be called explicitly.
It is called automatically during header scanning on
sources handled by the Object rule (e.g., sources in
Main or Library rules).
</BLOCKQUOTE>
<B>InstallBin</B> <I>dir</I> : <I>sources</I> ; <BLOCKQUOTE>
Copy <I>sources</I> into <I>dir</I> with mode
$(EXEMODE).
</BLOCKQUOTE>
<B>InstallLib</B> <I>dir</I> : <I>sources</I> ; <BLOCKQUOTE>
Copy <I>sources</I> into <I>dir</I> with mode
$(FILEMODE).
</BLOCKQUOTE>
<B>InstallMan</B> <I>dir</I> : <I>sources</I> ; <BLOCKQUOTE>
Copy <I>sources</I> into the appropriate subdirectory
of <I>dir</I> with mode $(FILEMODE). The subdirectory
is man<I>s,</I> where <I>s</I> is the suffix of
each of sources.
</BLOCKQUOTE>
<B>InstallShell</B> <I>dir</I> : <I>sources</I> ; <BLOCKQUOTE>
Copy <I>sources</I> into <I>dir</I> with mode
$(SHELLMODE).
</BLOCKQUOTE>
<B>Lex</B> <I>source.c</I> : <I>source.l</I> ; <BLOCKQUOTE>
Process the lex(1) source file <I>source.l</I> and
rename the lex.yy.c to <I>source.c.</I> Called by
the Object rule.
</BLOCKQUOTE>
<B>Library</B> <I>library</I> : <I>sources</I> ; <BLOCKQUOTE>
Compiles <I>sources</I> and archives them into
<I>library.</I> The intermediate <I>objects</I>
are deleted. Calls Objects and LibraryFromObjects.
<P>
If Library is invoked with no suffix on <I>library</I>,
the $(SUFLIB) suffix is used.
</BLOCKQUOTE>
<B>LibraryFromObjects</B> <I>library</I> : <I>objects</I> ;
<BLOCKQUOTE>
Archives <I>objects</I> into <I>library.</I> The
<I>objects</I> are then deleted.
<P>
If <I>library</I> has no suffix, the $(SUFLIB) suffix is used.
</BLOCKQUOTE>
<B>Link</B> <I>image</I> : <I>objects</I> ;
<BLOCKQUOTE>
Links <I>image</I> from <I>objects</I> and sets
permissions on <I>image</I> to $(EXEMODE).
<I>Image</I> must be actual filename; suffix is not
supplied.
Called by Main.
</BLOCKQUOTE>
<B>LinkLibraries</B> <I>image</I> : <I>libraries</I> ;
<BLOCKQUOTE>
Makes <I>image</I> depend on <I>libraries</I> and
includes them during the linking.
<P>
<I>Image</I> may be referenced without a suffix in this
rule invocation; LinkLibraries supplies the suffix.
</BLOCKQUOTE>
<B>Main</B> <I>image</I> : <I>sources</I> ;
<BLOCKQUOTE>
Compiles <I>sources</I> and links them into <I>image.</I>
Calls Objects and MainFromObjects.
<P>
<I>Image</I> may be referenced without a suffix in this
rule invocation; Main supplies the suffix.
</BLOCKQUOTE>
<B>MainFromObjects</B> <I>image</I> : <I>objects</I> ;
<BLOCKQUOTE>
Links <I>objects</I> into <I>image.</I> Dependency
of exe. MainFromObjects supplies the suffix on <I>image</I>
filename.
</BLOCKQUOTE>
<B>MakeLocate</B> <I>target</I> : <I>dir</I> ;
<BLOCKQUOTE>
Creates <I>dir</I> and causes <I>target</I> to be built
into <I>dir</I>.
</BLOCKQUOTE>
<B>MkDir</B> <I>dir</I> ;
<BLOCKQUOTE>
Creates <I>dir</I> and its parent directories.
</BLOCKQUOTE>
<B>Object</B> <I>object</I> : <I>source</I> ;
<BLOCKQUOTE>
Compiles a <I>single</I> source file source into
<I>object.</I> The Main and Library rules use
this rule to compile source files.
<P>
Causes <I>source</I> to be scanned for "#include"
directives and calls HdrRule to make all included
files dependedencies of <I>object</I>.
<P>
Calls one of the following rules to do the actual
compiling, depending on the suffix of source:
<PRE>
*.c: Cc
*.cc: C++
*.cpp: C++
*.C: C++
*.l: Lex
*.y: Yacc
*.*: UserObject
</PRE>
</BLOCKQUOTE>
<B>ObjectC++Flags</B> <I>source</I> : <I>flags</I> ;
<BR>
<B>ObjectCcFlags</B> <I>source</I> : <I>flags</I> ;
<BLOCKQUOTE>
Add <I>flags</I> to the source-specific
value of $(CCFLAGS) or $(C++FLAGS) when compiling <I>source.</I>
Any file suffix on <I>source</I> is ignored.
</BLOCKQUOTE>
<B>ObjectDefines</B> <I>object</I> : <I>defines</I> ; <BLOCKQUOTE>
Adds preprocessor symbol definitions to the (gristed)
target-specific $(CCDEFS) for the <I>object</i>.
</BLOCKQUOTE>
<B>ObjectHdrs</B> <I>source</I> : <I>dirs</I> ; <BLOCKQUOTE>
Add <I>dirs</I> to the source-specific value of
$(HDRS) when scanning and compiling <I>source.</I>
Any file suffix on <I>source</I> is ignored.
</BLOCKQUOTE>
<B>Objects</B> <I>sources</I> ; <BLOCKQUOTE>
For each source file in <I>sources,</I> calls
Object to compile the source file into a similarly
named object file.
</BLOCKQUOTE>
<B>RmTemps</B> <I>targets</I> : <I>sources</I> ; <BLOCKQUOTE>
Marks <I>sources</I> as temporary with the TEMPORARY
rule, and deletes <I>sources</I> once <I>targets</I>
are built. Must be the last rule invoked on
<I>targets.</I> Used internally by LibraryFromObjects rule.
</BLOCKQUOTE>
<B>Setuid</B> <I>images</I> ; <BLOCKQUOTE>
Sets the setuid bit on each of <I>images</I> after
linking. (Unix only.)
</BLOCKQUOTE>
<B>SoftLink</B> <I>target</I> : <I>source</I> ;
<BLOCKQUOTE>
Makes <I>target</I> a symbolic link to <I>source,</I> if it isn't one
already. (Unix only.)
</BLOCKQUOTE>
<B>SubDir</B> <I>TOP d1 ... dn</I> ;
<BLOCKQUOTE>
Sets up housekeeping for the source files located
in <I><CODE>$(TOP)/d1/.../dn</CODE></I>:
<UL>
<LI>Reads in rules file associated with <I>TOP</I>,
if it hasn't already been read.
<LI>Initializes variables for search paths,
output directories, compiler
flags, and grist, using <I>d1 ... dn</I> tokens.
</UL>
<P>
<I>TOP</I> is the name of a variable;
<I>d1</I> thru <I>dn</I> are elements
of a directory path.
</BLOCKQUOTE>
<B>SubDirC++Flags</B> <I>flags</I> ;
<BR>
<B>SubDirCcFlags</B> <I>flags</I> ;
<BLOCKQUOTE>
Adds <I>flags</I> to the compiler flags for source files
in SubDir's directory.
</BLOCKQUOTE>
<B>SubDirHdrs</B> <I>d1 ... dn</I> ;
<BLOCKQUOTE>
Adds the path <I>d1/.../dn/</I> to the header search paths for
source files in SubDir's directory. <I>d1</I> through <I>dn</I>
are elements of a directory path.
</BLOCKQUOTE>
<B>SubInclude</B> <I>VAR d1 ... dn</I> ;
<BLOCKQUOTE>
Reads the Jamfile in <I><CODE>$(VAR)/d1/.../dn/</CODE></I>.
</BLOCKQUOTE>
<B>Shell</B> <I>image</I> : <I>source</I> ; <BLOCKQUOTE>
Copies <I>source</I> into the executable sh(1)
script <I>image.</I> Ensures that the first line of
the script is $(SHELLHEADER) (default #!/bin/sh).
</BLOCKQUOTE>
<B>Undefines</B> <I>images</I> : <I>symbols</I> ; <BLOCKQUOTE>
Adds flags to mark <I>symbols</I> as undefined
on link command for <I>images</I>.
<I>Images</I> may be referenced unsuffixed; the
Undefines rule supplies the suffix.
</BLOCKQUOTE>
<B>UserObject</B> <I>object</I> : <I>source</I> ; <BLOCKQUOTE>
This rule is called by Object for source
files with unknown suffixes, and should be defined
in Jamrules
with a user-provided rule to handle the source file
types not handled by the Object rule.
The Jambase UserObject rule merely issues a
complaint when it encounters <I>source</I> with
files suffixes it does not recognize.
</BLOCKQUOTE>
<B>Yacc</B> <I>source.c</I> : <I>source.y</I> ; <BLOCKQUOTE>
Process the yacc(1) file <I>source.y</I> and renamed
the resulting y.tab.c and y.tab.h to <I>source.c.</I>
Produces a y.tab.h and renames it to <I>source.h.</I>
Called by the <B>Object</B> rule.
</BLOCKQUOTE>
<P>
<HR>
<A NAME="PSEUDOTARGETS">
<H3>
Jambase Pseudotargets
</H3>
</A>
<P>
There are two kinds of Jam targets: file targets and pseudotargets.
File targets are objects that can be found in the filesystem.
Pseudotargets are symbolic, and usually represent other targets.
Most Jambase rules that define file targets also define pseudotargets
which are dependent on types of file targets. The Jambase pseudotargets
are:
<CENTER>
<TABLE CELLPADDING=5%>
<TR><TD>exe
<TD>Executables linked by the Main or MainFromObjects rules
<TR><TD>lib
<TD>Libraries created by the Library or LibraryFromObjects rules
<TR><TD>obj
<TD>Compiled objects used to create Main or Library targets
<TR><TD>dirs
<TD>Directories where target files are written
<TR><TD>file
<TD>Files copied by File and Bulk rules
<TR><TD>shell
<TD>Files copied by Shell rule
<TR><TD>clean
<TD>Removal of built targets (except files copied by Install* rules)
<TR><TD>install
<TD>Files copied by Install* rules
<TR><TD>uninstall
<TD>Removal of targets copied by Install* rules
</TABLE>
</CENTER>
<P>
In addition, Jambase makes the <b>jam</b> default target "all"
depend on "exe", "lib", "obj", "files", and "shell".
<P>
<HR>
<A NAME="VARS">
<H3>
Jambase Variables
</H3>
</A>
<P>
Most of the following variables have default values for
each platform; refer to the Jambase file to see what those
defaults are.
<P>
ALL_LOCATE_TARGET
<BLOCKQUOTE>
Alternative location of built targets. By default,
Jambase rules locate built targets in the source
tree. By setting $(ALL_LOCATE_TARGET)
in Jamrules, you can cause <b>jam</b>
to write built targets to a location outside
the source tree.
</BLOCKQUOTE>
AR
<BLOCKQUOTE>
The archive command used to update Library
and LibraryFromObjects targets.
</BLOCKQUOTE>
AS
<BLOCKQUOTE>
The assembler for As rule targets.
</BLOCKQUOTE>
ASFLAGS
<BLOCKQUOTE>
Flags handed to the assembler for As.
</BLOCKQUOTE>
AWK
<BLOCKQUOTE>
The name of awk interpreter, used when copying a
shell script for the Shell rule.
</BLOCKQUOTE>
BCCROOT
<BLOCKQUOTE>
Selects Borland compile and link actions on NT.
</BLOCKQUOTE>
BINDIR
<BLOCKQUOTE>
Not longer used.
(I.e., used only for backward compatibility with the
obsolete INSTALLBIN rule.)
</BLOCKQUOTE>
CC
<BLOCKQUOTE>
C compiler used for Cc rule targets.
</BLOCKQUOTE>
CCFLAGS
<BLOCKQUOTE>
Compile flags for Cc rule targets.
The Cc rule sets target-specific $(CCFLAGS)
values on its targets.
</BLOCKQUOTE>
C++
<BLOCKQUOTE>
C++ compiler used for C++ rule targets.
</BLOCKQUOTE>
C++FLAGS
<BLOCKQUOTE>
Compile flags for C++ rule targets.
The C++ rule sets target-specific $(C++FLAGS)
values on its targets.
</BLOCKQUOTE>
CHMOD
<BLOCKQUOTE>
Program (usually chmod(1)) used to set file
permissions for Chmod rule.
</BLOCKQUOTE>
CP
<BLOCKQUOTE>
The file copy program, used by File and Install* rules.
</BLOCKQUOTE>
CRELIB
<BLOCKQUOTE>
If set, causes the Library rule to invoke the CreLib
rule on the target library before attempting to archive
any members, so that the library can be created if
needed.
</BLOCKQUOTE>
CW
<BLOCKQUOTE>
On Macintosh, the root of the Code Warrior Pro 5 directory.
</BLOCKQUOTE>
DEFINES
<BLOCKQUOTE>
Preprocessor symbol definitions for Cc and C++ rule targets.
The Cc and C++ rules set target-specific $(CCDEFS)
values on their targets, based on $(DEFINES). (The
"indirection" here is required to support compilers,
like VMS, with baroque command line syntax for
setting symbols).
</BLOCKQUOTE>
DOT
<BLOCKQUOTE>
The operating system-specific name for the current directory.
</BLOCKQUOTE>
DOTDOT
<BLOCKQUOTE>
The operating system-specific name for the parent directory.
</BLOCKQUOTE>
EXEMODE
<BLOCKQUOTE>
Permissions for executables linked with Link, Main,
and MainFromObjects, on platforms with a Chmod action.
</BLOCKQUOTE>
FILEMODE
<BLOCKQUOTE>
Permissions for files copied by File or Bulk,
on platforms with a Chmod action.
</BLOCKQUOTE>
FORTRAN
<BLOCKQUOTE>
The Fortran compiler used by Fortran rule.
</BLOCKQUOTE>
FORTRANFLAGS
<BLOCKQUOTE>
Fortran compiler flags for Fortran rule targets.
</BLOCKQUOTE>
GROUP
<BLOCKQUOTE>
<I>(Unix only.)</I>
The group owner for Install* rule targets.
</BLOCKQUOTE>
HDRGRIST
<BLOCKQUOTE>
If set, used by the HdrRule to distinguish header files
with the same name in diffrent directories.
</BLOCKQUOTE>
HDRPATTERN
<BLOCKQUOTE>
A regular expression pattern that matches
C preprocessor "#include" directives in source files
and returns the name of the included file.
</BLOCKQUOTE>
HDRRULE
<BLOCKQUOTE>
Name of the rule to invoke with the results of header file
scanning. Default is "HdrRule".
<P>
This is a jam-special variable. If both HDRRULE and HDRSCAN
are set on a target,
that target will be scanned for lines
matching $(HDRSCAN), and $(HDDRULE) will be
invoked on included files found in the matching $(HDRSCAN) lines.
</BLOCKQUOTE>
HDRS
<BLOCKQUOTE>
Directories to be searched for header files.
This is used by the Object rule to:
<UL>
<LI>set up search paths for finding files returned
by header scans
<LI>add -I flags on compile commands
</UL>
(See STDHDRS.)
</BLOCKQUOTE>
HDRSCAN
<BLOCKQUOTE>
Regular expression pattern to use for header file
scanning. The Object rule sets this to $(HDRPATTERN).
This is a jam-special variable; see HDRRULE.
</BLOCKQUOTE>
HDRSEARCH
<BLOCKQUOTE>
Used by the HdrRule to fix the list of directories where
header files can be found for a given source file.
</BLOCKQUOTE>
INSTALLGRIST
<BLOCKQUOTE>
Used by the Install* rules to grist paths to installed
files; defaults to "installed".
</BLOCKQUOTE>
JAM_TARGETS
<BLOCKQUOTE>
Contains the list of targets specified on the command-line
for jam to build. These can be changed from within the
Jamfile to change the targets that are built.
</BLOCKQUOTE>
JAMFILE
<BLOCKQUOTE>
Default is "Jamfile"; the name of the user-written
rules file found in each source directory.
</BLOCKQUOTE>
JAMRULES
<BLOCKQUOTE>
Default is "Jamrules"; the name of a rule definition
file to be read in at the first SubDir rule invocation.
</BLOCKQUOTE>
KEEPOBJS
<BLOCKQUOTE>
If set, tells the LibraryFromObjects rule not to delete
object files once they are archived.
</BLOCKQUOTE>
LEX
<BLOCKQUOTE>
The lex(1) command and flags.
</BLOCKQUOTE>
LIBDIR
<BLOCKQUOTE>
Not longer used.
(I.e., used only for backward compatibility with the
obsolete INSTALLLIB rule.)
</BLOCKQUOTE>
LINK
<BLOCKQUOTE>
The linker. Defaults to $(CC).
</BLOCKQUOTE>
LINKFLAGS
<BLOCKQUOTE>
Flags handed to the linker. Defaults to $(CCFLAGS).
</BLOCKQUOTE>
LINKLIBS
<BLOCKQUOTE>
List of external libraries to link with. The target image
does not depend on these libraries.
</BLOCKQUOTE>
LN
<BLOCKQUOTE>
The hard link command for HardLink rule.
</BLOCKQUOTE>
LOCATE_SOURCE
<BLOCKQUOTE>
Used to set the location of generated source files.
The Yacc, Lex, and GenFile rules set LOCATE on
their targets to $(LOCATE_SOURCE).
$(LOCATE_SOURCE) is initialized by the SubDir rule
to the source directory itself.
(Also, see ALL_LOCATE_TARGET.)
</BLOCKQUOTE>
LOCATE_TARGET
<BLOCKQUOTE>
Used to set the location of built binary targets.
The Object rule, and hence the Main and Library rules,
set LOCATE on their targets to $(LOCATE_TARGET).
$(LOCATE_TARGET) is initialized by the
SubDir rule to the source directory itself.
(See ALL_LOCATE_TARGET.)
</BLOCKQUOTE>
MANDIR
<BLOCKQUOTE>
Not longer used.
(I.e., used only for backward compatibility with the
obsolete INSTALLMAN rule.)
</BLOCKQUOTE>
MKDIR
<BLOCKQUOTE>
The 'create directory' command used for the MkDir
rule.
</BLOCKQUOTE>
MODE
<BLOCKQUOTE>
The target-specific file mode (permissions) for targets
of the Shell, Setuid, Link, and Install* rules.
Used by the Chmod action; hence relevant to NT and VMS
only.
</BLOCKQUOTE>
MSVC
<BLOCKQUOTE>
Selects Microsoft Visual C 16-bit compile & link
actions on NT.
</BLOCKQUOTE>
MSVCNT
<BLOCKQUOTE>
Selects Microsoft Visual C NT 5.0 and earlier compile
& link actions on NT.
</BLOCKQUOTE>
MSVCDIR
<BLOCKQUOTE>
Selects Microsoft Visual C NT 6.0 and later compile
& link actions on NT. These are identical to versions
5.0 and earlier -- it just seems Microsoft changed the
name of the variable.
</BLOCKQUOTE>
MV
<BLOCKQUOTE>
The file rename command and options.
</BLOCKQUOTE>
NEEDLIBS
<BLOCKQUOTE>
The list of libraries used when linking an executable.
Used by the Link rule.
</BLOCKQUOTE>
NOARSCAN
<BLOCKQUOTE>
If set, indicates that library members' timestamps can't
be found, and prevents the individual objects from being
deleted, so that their timestamps can be used instead.
</BLOCKQUOTE>
NOARUPDATE
<BLOCKQUOTE>
If set, indicates that libraries can't be updated, but only
created whole.
</BLOCKQUOTE>
OPTIM
<BLOCKQUOTE>
The C compiler flag for optimization, used by Cc and C++
rules.
</BLOCKQUOTE>
OSFULL
<BLOCKQUOTE>
The concatenation of $(OS)$(OSVER)$(OSPLAT), used when jam
builds itself to determine the target binary directory.
$(OS) and $(OSPLAT) are determined by jam at its compile
time (in jam.h). $(OSVER) can optionally be set by the user.
</BLOCKQUOTE>
OWNER
<BLOCKQUOTE>
The owner of installed files. Used by Install* rules.
</BLOCKQUOTE>
RANLIB
<BLOCKQUOTE>
The name of the ranlib command. If set, causes
the Ranlib action to be applied after the
Archive action to targets of the Library rule.
</BLOCKQUOTE>
RELOCATE
<BLOCKQUOTE>
If set, tells the Cc rule to move the output object
file to its target directory because the cc command
has a broken -o option.
</BLOCKQUOTE>
RM
<BLOCKQUOTE>
The command and options to remove a file.
</BLOCKQUOTE>
SEARCH_SOURCE
<BLOCKQUOTE>
The directory to find sources listed with Main,
Library, Object, Bulk, File, Shell, InstallBin,
InstallLib, and InstallMan rules. This works by
setting the jam-special variable SEARCH to the
value of $(SEARCH_SOURCE) for each of the rules'
sources. The SubDir rule initializes SEARCH_SOURCE
for each directory.
</BLOCKQUOTE>
SHELLHEADER
<BLOCKQUOTE>
A string inserted to the first line of every file
created by the Shell rule.
</BLOCKQUOTE>
SHELLMODE
<BLOCKQUOTE>
Permissions for files installed by Shell rule.
</BLOCKQUOTE>
SOURCE_GRIST
<BLOCKQUOTE>
Set by the SubDir to a value derived from the
directory name, and used by Objects and related
rules as 'grist' to perturb file names.
</BLOCKQUOTE>
STDHDRS
<BLOCKQUOTE>
Directories where headers can be found without
resorting to using the flag to the C compiler.
The $(STDHDRS) directories are used to find
headers during scanning, but are not passed to the
compiler commands as -I paths.
</BLOCKQUOTE>
SUBDIR
<BLOCKQUOTE>
The path from the current directory to the directory
last named by the SubDir rule.
</BLOCKQUOTE>
TOP
<BLOCKQUOTE>
The path from the current directory to the directory
that has the Jamrules file. Used by the SubDir rule.
</BLOCKQUOTE>
SUFEXE
<BLOCKQUOTE>
The suffix for executable files, if none provided.
Used by the Main rule.
</BLOCKQUOTE>
SUFLIB
<BLOCKQUOTE>
The suffix for libraries. Used by the Library and
related rules.
</BLOCKQUOTE>
SUFOBJ
<BLOCKQUOTE>
The suffix for object files. Used by the Objects
and related rules.
</BLOCKQUOTE>
UNDEFFLAG
<BLOCKQUOTE>
The flag prefixed to each symbol for the Undefines
rule (i.e., the compiler flag for undefined symbols).
</BLOCKQUOTE>
WATCOM
<BLOCKQUOTE>
Selects Watcom compile and link actions on OS2.
</BLOCKQUOTE>
YACC
<BLOCKQUOTE>
The yacc(1) command.
</BLOCKQUOTE>
YACCFILES
<BLOCKQUOTE>
The base filename generated by yacc(1).
</BLOCKQUOTE>
YACCFLAGS
<BLOCKQUOTE>
The yacc(1) command flags.
</BLOCKQUOTE>
YACCGEN
<BLOCKQUOTE>
The suffix used on generated yacc(1) output.
</BLOCKQUOTE>
<P>
<HR>
<A HREF="#TOP">Back to top.</A>
<P>
Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
<BR>
Comments to <A HREF="mailto:info@perforce.com">info@perforce.com</A>
<BR>
Last updated: Dec 31, 2000
<BR>
$Id: //public/jam/src/Jambase.html#10 $
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