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opt-jobs.mk revision 1.4 
      1 # $NetBSD: opt-jobs.mk,v 1.4 2023/09/10 11:41:33 rillig Exp $
      2 #
      3 # Tests for the -j command line option, which creates the targets in parallel.
      4 
      5 
      6 # The option '-j <integer>' specifies the number of targets that can be made
      7 # in parallel.
      8 ARGS=		0 1 2 8 08 017 0x10 -5 1000
      9 EXPECT.0=	argument '0' to option '-j' must be a positive number (exit 2)
     10 EXPECT.1=	1
     11 EXPECT.2=	2
     12 EXPECT.8=	8
     13 EXPECT.08=	argument '08' to option '-j' must be a positive number (exit 2)
     14 EXPECT.017=	15
     15 EXPECT.0x10=	16
     16 EXPECT.-5=	argument '-5' to option '-j' must be a positive number (exit 2)
     17 EXPECT.1000=	1000
     18 
     19 .for arg in ${ARGS}
     20 OUTPUT!=	${MAKE} -r -f /dev/null -j ${arg} -v .MAKE.JOBS 2>&1 || echo "(exit $$?)"
     21 .  if ${OUTPUT:[2..-1]} != ${EXPECT.${arg}}
     22 .      warning ${arg}:${.newline}    have: ${OUTPUT:[2..-1]}${.newline}    want: ${EXPECT.${arg}}
     23 .  endif
     24 .endfor
     25 
     26 
     27 # The options '-j <float>' and '-j <integer>C' multiply the given number with
     28 # the number of available CPUs.
     29 ARGS=		0.0 0C 0.0C .00001 .00001C 1C 1CPUs 1.2 .5e1C 07.5C 08.5C
     30 EXPECT.0.0=	argument '0.0' to option '-j' must be a positive number (exit 2)
     31 EXPECT.0C=	<integer>		# rounded up to 1C
     32 EXPECT.0.0C=	argument '0.0C' to option '-j' must be a positive number (exit 2)
     33 EXPECT..00001=	argument '.00001' to option '-j' must be a positive number (exit 2)
     34 EXPECT..00001C=	argument '.00001C' to option '-j' must be a positive number (exit 2)
     35 EXPECT.1C=	<integer>
     36 EXPECT.1CPUs=	<integer>
     37 EXPECT.1.2=	<integer>
     38 EXPECT..5e1C=	<integer>		# unlikely to occur in practice
     39 EXPECT.07.5C=	<integer>
     40 EXPECT.08.5C=	argument '08.5C' to option '-j' must be a positive number (exit 2)
     41 
     42 .if ${.MAKE.JOBS.C}
     43 .  for arg in ${ARGS}
     44 OUTPUT!=	${MAKE} -r -f /dev/null -j ${arg} -v .MAKE.JOBS 2>&1 || echo "(exit $$?)"
     45 .    if ${OUTPUT:C,^[0-9]+$,numeric,W} == numeric
     46 OUTPUT=		<integer>
     47 .    endif
     48 .    if ${OUTPUT:[2..-1]} != ${EXPECT.${arg}}
     49 .      warning ${arg}:${.newline}    have: ${OUTPUT:[2..-1]}${.newline}    want: ${EXPECT.${arg}}
     50 .    endif
     51 .  endfor
     52 .endif
     53 
     54 all: .PHONY
     55