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Linux/tools/perf/Makefile

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Diff markup

Differences between /tools/perf/Makefile (Version linux-6.12-rc7) and /tools/perf/Makefile (Version policy-sample)


  1 # SPDX-License-Identifier: GPL-2.0                
  2 #                                                 
  3 # This is a simple wrapper Makefile that calls    
  4 # with a -j option to do parallel builds          
  5 #                                                 
  6 # If you want to invoke the perf build in some    
  7 # you can use the 'make -f Makefile.perf' meth    
  8 #                                                 
  9                                                   
 10 #                                                 
 11 # Clear out the built-in rules GNU make define    
 12 # so that we pass through all targets to Makef    
 13 #                                                 
 14 .SUFFIXES:                                        
 15                                                   
 16 #                                                 
 17 # We don't want to pass along options like -j:    
 18 #                                                 
 19 unexport MAKEFLAGS                                
 20                                                   
 21 #                                                 
 22 # Do a parallel build with multiple jobs, base    
 23 # in this system: 'make -j8' on a 8-CPU system    
 24 #                                                 
 25 # (To override it, run 'make JOBS=1' and simil    
 26 #                                                 
 27 ifeq ($(JOBS),)                                   
 28   JOBS := $(shell (getconf _NPROCESSORS_ONLN |    
 29   ifeq ($(JOBS),0)                                
 30     JOBS := 1                                     
 31   endif                                           
 32 endif                                             
 33                                                   
 34 #                                                 
 35 # Only pass canonical directory names as the o    
 36 #                                                 
 37 ifneq ($(O),)                                     
 38   FULL_O := $(shell cd $(PWD); readlink -f $(O    
 39 endif                                             
 40                                                   
 41 #                                                 
 42 # Only accept the 'DEBUG' variable from the co    
 43 #                                                 
 44 ifeq ("$(origin DEBUG)", "command line")          
 45   ifeq ($(DEBUG),)                                
 46     override DEBUG = 0                            
 47   else                                            
 48     SET_DEBUG = "DEBUG=$(DEBUG)"                  
 49   endif                                           
 50 else                                              
 51   override DEBUG = 0                              
 52 endif                                             
 53                                                   
 54 ifeq ($(JOBS),1)                                  
 55   BUILD_TYPE := sequential                        
 56 else                                              
 57   BUILD_TYPE := parallel                          
 58 endif                                             
 59                                                   
 60 define print_msg                                  
 61   @printf '  BUILD:   Doing '\''make \033[33m-    
 62 endef                                             
 63                                                   
 64 define make                                       
 65   @$(MAKE) -f Makefile.perf --no-print-directo    
 66 endef                                             
 67                                                   
 68 #                                                 
 69 # Needed if no target specified:                  
 70 # (Except for tags and TAGS targets. The reaso    
 71 # Makefile does not treat tags/TAGS as targets    
 72 # and thus won't rebuilt them once they are in    
 73 #                                                 
 74 all tags TAGS:                                    
 75         $(print_msg)                              
 76         $(make)                                   
 77                                                   
 78 ifdef MAKECMDGOALS                                
 79 has_clean := 0                                    
 80 ifneq ($(filter clean,$(MAKECMDGOALS)),)          
 81   has_clean := 1                                  
 82 endif # clean                                     
 83                                                   
 84 ifeq ($(has_clean),1)                             
 85   rest := $(filter-out clean,$(MAKECMDGOALS))     
 86   ifneq ($(rest),)                                
 87 $(rest): clean                                    
 88   endif # rest                                    
 89 endif # has_clean                                 
 90 endif # MAKECMDGOALS                              
 91                                                   
 92 #                                                 
 93 # Explicitly disable parallelism for the clean    
 94 #                                                 
 95 clean:                                            
 96         $(make) -j1                               
 97                                                   
 98 #                                                 
 99 # The build-test target is not really parallel    
100 # it also uses only the tests/make targets tha    
101 # repository, i.e. that uses O= or builds the     
102 # repo directories.                               
103 #                                                 
104 # For a full test, use:                           
105 #                                                 
106 # make -C tools/perf -f tests/make                
107 #                                                 
108 build-test:                                       
109         @$(MAKE) SHUF=1 -f tests/make REUSE_FE    
110                                                   
111 build-test-tarball:                               
112         @$(MAKE) -f tests/make REUSE_FEATURES_    
113                                                   
114 #                                                 
115 # All other targets get passed through:           
116 #                                                 
117 %: FORCE                                          
118         $(print_msg)                              
119         $(make)                                   
120                                                   
121 .PHONY: tags TAGS FORCE Makefile                  
                                                      

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