Date: Wed, 10 Nov 2010 00:42:40 +0300 From: Anonymous <swell.k@gmail.com> To: Dmitry Marakasov <amdmi3@amdmi3.ru> Cc: ports@FreeBSD.org, Lev Serebryakov <lev@FreeBSD.org> Subject: Re: Proper way to detect kernel / userland sources? Message-ID: <86fwvaw4vj.fsf@gmail.com> In-Reply-To: <20101109203822.GA67706@hades.panopticon> (Dmitry Marakasov's message of "Tue, 9 Nov 2010 23:38:22 %2B0300") References: <241091055.20101109182834@serebryakov.spb.ru> <20101109203822.GA67706@hades.panopticon>
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Dmitry Marakasov <amdmi3@amdmi3.ru> writes: > * Lev Serebryakov (lev@FreeBSD.org) wrote: > >> I'm preparing port which depends both on kernel source (it contains >> kernel module) and userland sources (it needs GEOM sources). >> >> I see, that ports with kernel modules check for hardcoded >> "/usr/src/sys/Makefile". But it doesn't look good: sources could be >> perfectly valid, but placed in other directory! >> >> Is here any standerd variable which should be used instead of >> hardcoded "/usr/src"? > > Oh, that reminded me. For now, there's no other way than to hardcode > /usr/src (however some ports make that overridable). I've though > of that too and made a patch that has been lying here for some time > without purpose. As this topic is risen, I'd like to discuss it, > possibly improve and push into Mk. > > http://people.freebsd.org/~amdmi3/USE_SRC.patch > > - Introduces SRC_BASE which defaults to /usr/src and may be used in > ports to access system sources Please, also define and export SYSDIR because that what is used by bsd.kmod.mk. And some ports only require kernel sources. I don't think there are many ports that need userland sources. SRC_BASE ?= /usr/src SYSDIR ?= ${SRC_BASE}/sys MAKE_ENV += SYSDIR="${SYSDIR}" > - Introduces USE_SRC (to be set in ports that require kernel source) > that checks whether system sources are installed and whether their > version corresponds to system version (overridable) > - Corrects a typo
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