# $NetBSD: opt-jobs-internal.mk,v 1.10 2026/03/10 05:02:00 sjg Exp $
#
# Tests for the (intentionally undocumented) internal -J command line option.
.if ${DEBUG_TEST:U:M${.PARSEFILE:R}} != ""
.MAKEFLAGS: -djg2
.endif

_make ?= .make${.MAKE.PID}
.export _make

all: .PHONY
	@${MAKE} -f ${MAKEFILE} -j1 direct
	@${MAKE} -f ${MAKEFILE} -j1 direct-syntax
	@${MAKE} -f ${MAKEFILE} -j1 direct-open
	@${MAKE} -f ${MAKEFILE} -j1 indirect-open
	@${MAKE} -f ${MAKEFILE} -j1 indirect-expr
	@${MAKE} -f ${MAKEFILE} -j1 indirect-comment
	@${MAKE} -f ${MAKEFILE} -j1 indirect-silent-comment
	@${MAKE} -f ${MAKEFILE} -j1 indirect-expr-empty
	@rm -f ${_make}

detect-mode: .PHONY
	@mode=parallel
	@echo ${HEADING}: mode=$${mode:-compat}

# expect: direct: mode=parallel
direct: .PHONY
	@mode=parallel
	@echo ${.TARGET}: mode=$${mode:-compat}

# expect: make: error: invalid internal option "-J garbage" in "<curdir>"
direct-syntax: .PHONY
	@${MAKE} -f ${MAKEFILE} -J garbage unexpected-target || :

# expect: direct-open: mode=compat
direct-open: .PHONY
	@${MAKE} -f ${MAKEFILE} -J 31,32 detect-mode HEADING=${.TARGET}

# expect: indirect-open: mode=compat
indirect-open: .PHONY ${_make}
	@./${_make} -f ${MAKEFILE} detect-mode HEADING=${.TARGET}

# When a command in its unexpanded form contains the expression "${MAKE}"
# without any modifiers, the file descriptors get passed around.
# expect: indirect-expr: mode=parallel
indirect-expr: .PHONY
	@${MAKE} -f ${MAKEFILE} detect-mode HEADING=${.TARGET}

# The "# make" comment starts directly after the leading tab and is thus not
# considered a shell command line. No file descriptors are passed around.
# expect: indirect-comment: mode=compat
indirect-comment: .PHONY ${_make}
	# make
	@./${_make} -f ${MAKEFILE} detect-mode HEADING=${.TARGET}

# When the "# make" comment is prefixed with "@", it becomes a shell command.
# As that shell command contains the plain word "make", the file descriptors
# get passed around.
# expect: indirect-silent-comment: mode=parallel
indirect-silent-comment: .PHONY
	@# make
	@${MAKE:U} -f ${MAKEFILE} detect-mode HEADING=${.TARGET}

# expect: indirect-expr-empty: mode=parallel
indirect-expr-empty: .PHONY
	@${MAKE:U} -f ${MAKEFILE} detect-mode HEADING=${.TARGET}

${_make}:
	@ln -s ${MAKE} ${.TARGET}