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varname-circumflex.mk revision 1.1 
      1  1.1  rillig # $NetBSD: varname-circumflex.mk,v 1.1 2025/06/27 20:20:56 rillig Exp $
      2  1.1  rillig #
      3  1.1  rillig # Tests for the target-local variable "^", which is required by POSIX 2024
      4  1.1  rillig # and provided by GNU make.
      5  1.1  rillig 
      6  1.1  rillig # TODO: Support $^.
      7  1.1  rillig 
      8  1.1  rillig all: .PHONY
      9  1.1  rillig all: no_prerequisites prerequisite
     10  1.1  rillig all: unique duplicate
     11  1.1  rillig all: dir_part file_part
     12  1.1  rillig all: implicit.tout
     13  1.1  rillig all: wait
     14  1.1  rillig 
     15  1.1  rillig .if defined(^)
     16  1.1  rillig .  error
     17  1.1  rillig .endif
     18  1.1  rillig 
     19  1.1  rillig no_prerequisites:
     20  1.1  rillig 	@echo $@: $^
     21  1.1  rillig 
     22  1.1  rillig prerequisite: file1.o
     23  1.1  rillig 	@echo $@: $^
     24  1.1  rillig 
     25  1.1  rillig unique: file1.o file2.o file3.o
     26  1.1  rillig 	@echo $@: $^
     27  1.1  rillig 
     28  1.1  rillig duplicate: file1.o file2.o file3.o file3.o
     29  1.1  rillig 	@echo $@: $^
     30  1.1  rillig 
     31  1.1  rillig dir_part: /usr/include/stdio.h /usr/include/unistd.h foo.h
     32  1.1  rillig 	@echo $@: $(^D)
     33  1.1  rillig 
     34  1.1  rillig file_part: /usr/include/stdio.h /usr/include/unistd.h foo.h
     35  1.1  rillig 	@echo $@: ${^F}
     36  1.1  rillig 
     37  1.1  rillig wait: file1.o .WAIT file2.o
     38  1.1  rillig 	@echo $@: $^
     39  1.1  rillig 
     40  1.1  rillig .SUFFIXES:
     41  1.1  rillig .SUFFIXES: .tin .tout
     42  1.1  rillig 
     43  1.1  rillig .tin.tout:
     44  1.1  rillig 	@echo $@: $^
     45  1.1  rillig 
     46  1.1  rillig file1.o file2.o file3.o:
     47  1.1  rillig /usr/include/stdio.h /usr/include/unistd.h foo.h implicit.tin:
     48