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40 lines
1.4 KiB
Makefile
40 lines
1.4 KiB
Makefile
# $FreeBSD$
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# Note: This file is also duplicated in the sys/conf/kern.pre.mk so
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# it will always grab SRCCONF, even if it isn't being built in-tree
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# to preserve historical (and useful) behavior. Changes here need to
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# be reflected there so SRCCONF isn't included multiple times.
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.if !defined(_WITHOUT_SRCCONF)
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# Allow user to configure things that only effect src tree builds.
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SRCCONF?= /etc/src.conf
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.if !empty(SRCCONF) && \
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(exists(${SRCCONF}) || ${SRCCONF} != "/etc/src.conf") && \
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!target(_srcconf_included_)
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# Validate that the user didn't try setting an env-only variable in
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# their src.conf. This benefits from already including bsd.mkopt.mk.
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.for var in ${__ENV_ONLY_OPTIONS}
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__presrcconf_${var}:= ${MK_${var}:U-}${WITHOUT_${var}:Uno:Dyes}${WITH_${var}:Uno:Dyes}
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.endfor
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.sinclude "${SRCCONF}"
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_srcconf_included_: .NOTMAIN
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# Validate the env-only variables.
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.for var in ${__ENV_ONLY_OPTIONS}
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__postrcconf_${var}:= ${MK_${var}:U-}${WITHOUT_${var}:Uno:Dyes}${WITH_${var}:Uno:Dyes}
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.if ${__presrcconf_${var}} != ${__postrcconf_${var}}
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.error Option ${var} may only be defined in ${SRC_ENV_CONF}, environment, or make argument, not ${SRCCONF}.
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.endif
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.undef __presrcconf_${var}
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.undef __postrcconf_${var}
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.endfor
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.endif # SRCCONF
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.endif
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# tempting, but bsd.compiler.mk causes problems this early
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# probably need to remove dependence on bsd.own.mk
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#.include "src.opts.mk"
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