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Makefile: multiple target variable substitution


 
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Old 09-24-2009
Makefile: multiple target variable substitution

Greetings!

Basically, I would like to properly handle this with gnu make:

alltools: my_tool mysecond_tool mythird_tool etc_tool

%_tool: dir1/%_tool.vf dir2/%_tool/subdir2/%_tool.ver
<tab>@echo done

%.vf:
<tab>RUN_VF $*

%.ver:
<tab>RUN_VER $*

So, if I were to do something like:
UNIX> make alltools

Where each *_tool would be dependent on 2 files: dir1/*_tool.vf & dir2/*_tool/subdir2/*_tool.ver.

However, it looks like make only allows one substitution per dependency. So what make actually tries to make are these files (for my_tool):
dir1/my_tool.vf & dir2/my_tool/subdir2/%_tool.ver

'my' did not get substituted into '%' at both places in the second dependency.

So, my question is, can this be done with some other special variable? Or, is there a simple trick to getting around this?

Thanks in advance!
Harlin!

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Makefile::AST(3pm)					User Contributed Perl Documentation					Makefile::AST(3pm)

NAME
Makefile::AST - AST for (GNU) makefiles DESCRIPTION
The structure of this (GNU) makefile AST is designed based on GNU make's data base listing output produced by "--print-data-base". This AST library provides the following classes: Makefile::AST The primary class for ASTs. Provides interface for node adding and querying, such as "add_implicit_rule", "apply_implicit_rules", "add_explicit_rule", "apply_explicit_rules", "add_var", "add_auto_var", "get_var", as well as lots of other utility functions, like method "eval_var_value" for computing the ultimate values of makefile variables, method "enter_pad" and "leave_pad" for local variable's scoping pad. Makefile::AST::Rule::Base This is the base class for the rule nodes in the AST. It has properties like "normal_prereqs", "order_prereqs", "commands", and "colon". Makefile::AST::Rule This class represents the de-sugared form of simple rules and implicite rules after application. It inherits from Makefile::AST::Rule::Base, and adds new properties "target" and "other_targets". Makefile::AST::Rule::Implicit This class represents the implicit rule nodes in the AST. It inherits from Makefile::AST::Rule::Base, and adds new properties "targets", "match_anything", and "is_terminal". Makefile::AST::StemMatch This class encapsulates the file pattern matching (file names containing "%") and stem substitution algorithms. Makefile::AST::Variable It represents the makefile variable nodes in the AST, including "name", "value", "flavor", and "origin". Makefile::AST::Command Used to encapsulate information regarding makefile rule commands (e.g. command body, command modifiers "@", "-", "+", and etc.) as a whole. LIMITATIONS AND TODO
Adding support for other flavors' makes into this AST library should make a huge amount of sense. The most interesting candiate is Microsoft's NMAKE. CODE REPOSITORY
For the very latest version of this script, check out the source from http://github.com/agentzh/makefile-parser-pm <http://github.com/agentzh/makefile-parser-pm>. There is anonymous access to all. AUTHOR
Zhang "agentzh" Yichun "<agentzh@gmail.com>" COPYRIGHT AND LICENSE
Copyright (c) 2007-2008 by Zhang "agentzh" Yichun (agentzh). This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
Makefile::AST::Evaluator, Makefile::Parser::GmakeDB, makesimple, pgmake-db, Makefile::DOM. perl v5.12.4 2011-08-17 Makefile::AST(3pm)

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