Note that there is a selftest for this in meta/lib/oeqa/selftest/cases/externalsrc.py, so you could check why that seems to work.
Alex On Fri, 26 Jan 2024 at 13:47, Robert P. J. Day <rpj...@crashcourse.ca> wrote: > > > i've been trying to put together a really basic example of a recipe > using "externalsrc" that refers to some local source, and cannot get > it to work. so here's what i'm trying. > > as a demo, i selected a random simple OE recipe -- in this case, > "dmidecode", whose recipe you can see here (and which seems > conveniently simple for demonstration purposes): > > https://git.openembedded.org/openembedded-core/tree/meta/recipes-devtools/dmidecode/dmidecode_3.5.bb?h=master > > so to start, since the SRC_URI is a tarball, i downloaded the tarball > so that i have the equivalent local source here: > > $ ls /home/rpjday/oe/srcs/dmidecode-3.5 > AUTHORS dmioem.h Makefile util.c > biosdecode.c dmiopt.c man util.h > config.h dmiopt.h NEWS version.h > dmidecode.c dmioutput.c ownership.c vpddecode.c > dmidecode.h dmioutput.h README vpdopt.c > dmioem.c LICENSE types.h vpdopt.h > $ > > as my first test, i set the build to the source directory in my > dmid_1.0.bb recipe file: > > inherit externalsrc > EXTERNALSRC = "/home/rpjday/oe/srcs/dmidecode-3.5" > EXTERNALSRC_BUILD = "${EXTERNALSRC}" > > do_install() { > oe_runmake \ > DESTDIR="${D}" \ > prefix="${prefix}" \ > sbindir="${sbindir}" \ > docdir="${docdir}/${BPN}" \ > mandir="${mandir}" \ > install > > then ran: > > $ bitbake dmid > > sure enough, that build in the source directory, generating: > > AUTHORS dmidecode.o dmioutput.h ownership* version.h > biosdecode* dmioem.c dmioutput.o ownership.c vpddecode* > biosdecode.c dmioem.h LICENSE ownership.o vpddecode.c > biosdecode.o dmioem.o Makefile README vpddecode.o > config.h dmiopt.c man/ types.h vpdopt.c > dmidecode* dmiopt.h NEWS util.c vpdopt.h > dmidecode.c dmiopt.o oe-logs@ util.h vpdopt.o > dmidecode.h dmioutput.c oe-workdir@ util.o > > great, but i really want to build out-of-tree to preserve the > pristine state of the source, so i followed the instructions and > allowed EXTERNALSRC_BUILD to default to ${WORKDIR}/${BPN}-${PV}: > > inherit externalsrc > EXTERNALSRC = "/home/rpjday/oe/srcs/dmidecode-3.5" > # EXTERNALSRC_BUILD = "${EXTERNALSRC}" > > so I did a "make clean" in the source directory to start with the > pristine source (also deleted the "oe-" symlinks), then: > > $ bitbake dmid > ... snip ... > | NOTE: make -j 8 > DESTDIR=/home/rpjday/oe/builds/qemux86/tmp/work/core2-64-poky-linux/dmid/1.0/image > prefix=/usr sbindir=/usr/sbin docdir=/usr/share/doc/dmid > mandir=/usr/share/man install > | make: *** No rule to make target 'install'. Stop. > | ERROR: oe_runmake failed > > from "bitbake -e dmid", i can see: > > S="/home/rpjday/oe/srcs/dmidecode-3.5" > WORKDIR="/home/rpjday/oe/builds/qemux86/tmp/work/core2-64-poky-linux/dmid/1.0" > B="/home/rpjday/oe/builds/qemux86/tmp/work/core2-64-poky-linux/dmid/1.0/dmid-1.0" > > but there is nothing unloaded into the B directory; hence, the > failure. in fact, the log file for the compile step is: > > DEBUG: Executing python function externalsrc_compile_prefunc > NOTE: dmid: compiling from external source tree > /home/rpjday/oe/srcs/dmidecode-3.5 > DEBUG: Python function externalsrc_compile_prefunc finished > DEBUG: Executing python function fetcher_hashes_dummyfunc > DEBUG: Python function fetcher_hashes_dummyfunc finished > DEBUG: Executing shell function do_compile > NOTE: nothing to compile > DEBUG: Shell function do_compile finished > > so ... what have i overlooked? did i grab an inappropriate sample > recipe that does not support building out-of-tree? the build directory > is empty, so i'm perusing the externalsrc.bbclass to see what i have > misunderstood. > > rday > > > > >
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