makefile - Rebuild specific object based on condition -


I am trying to modify the Geneva mefile of one of the big projects in which there are general / pattern specific rules.

Macfill is compiling and linking in different rules. I have a specific need that if a certain condition is set on the link, then before re-linking I want to call the compilation rule again. The sample issue is below the makefile, 

  $ (obj_dir) /% O: $ (src_base) /% Cpp @echo compiling: $ & lt; $ (Q) $ (CSEA) $ (CFFALAGS) $ (REV) $ (CFINICLUDUUUTUH) -o $ @ $ & lt; $ (Link_files): To add @echo $ @ $ (q) $ (cfi) $ (linkflages) -o $ @% O ifeq (1,1) #condition pass So I want to call the ompilation rule again above normal ?? ??? And $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ .   
 
 
  Step 1:  You probably already have it on the original messy file , But here's a framework:  
  object: = $ (obj_dir) /foo.o $ (obj_dir) /bar.o $ (obj_dir) /baz.o # You can see a list like this Somewhere, should be constructed in any way $ (Obj_dir) /% O: $ (src_base) /% Cpp @echo compiling: $ & lt; $ (Q) $ (CSEA) $ (CFFALAGS) $ (REV) $ (CFINICLUDUUUTUH) -o $ @ $ & lt; $ (Link_files): $ (objects) @echo $ @ $ (q) $ (cfi) $ (LINKFLAGS) - $$$$  
 
 Make sure to link it properly Works to move forward Specifically, make sure that you can create values ​​for  REV  in the command line, such as: 
 
  REV = 123  
 
  Step 2:  Check recursive call. Make it unconditional at first. 
 
  $ (link_files): $ (objects) add @echo $ @ $ (q) $ (cf) $ (link) $ (link flags) - $$$$$ (make ) REV = $ (NEWREV) $ (objects)  
 
  Step 3:  Test conditional. 
 
  $ (link_files): $ (objects) @echo $ @ $ (q) $ (cfa) linking -o $ @ $ ^ $ (make) REV = $ ( Newway) $ (objects) if [1-2 digits]; \ Echo something; \ Else \ echo Do nothing; \ Fi  
 
 Note that this is an  shell  output statement  shell  is conditional, not   Empty statement statement (statement can be evaluated before running a rule.)  If  has a tab in front of it, but conditionally in front of other rows There is only empty space. 
 
  Step 4:  Put it together. 
 
  $ (link_files): $ (objects) @echo $ @ $ (q) $ (cfa) $ linking (LINKFLAGS) - $ $ $ $ $ $ (create) REV = $ (NEWREV) $ (objects) if [1-cuba 2]; \ $ $ (Make) REV = $ (NEWREV) $ (objects); \ Else \ echo Do nothing; \ Fi

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