The below forwards an example of a possibly more general issue not necessarily limited to arm context of the example: in a cross compile context the host CPP is in use via Makefile.libcompat not involving "${XCPP}" and so various macro checks for the target context fail to work. [The below and the material leading up to it was originally posted to freebsd-arm.] === Mark Millard markmi at dsl-only.net On 2016-Apr-4, at 2:02 PM, Mark Millard <markmi at dsl-only.net> wrote: As a fix for >> --- all_subdir_lib/libsysdecode --- >> In file included from <stdin>:17: >> In file included from /usr/obj/clang/arm.armv6/usr/src/libsoft/usr/include/dev/nvme/nvme.h:36: >> In file included from /usr/obj/clang/arm.armv6/usr/src/libsoft/usr/include/sys/param.h:135: >> In file included from /usr/obj/clang/arm.armv6/usr/src/libsoft/usr/include/machine/param.h:49: >> /usr/obj/clang/arm.armv6/usr/src/libsoft/usr/include/machine/acle-compat.h:182:4: error: Unable to determine architecture version. >> # error Unable to determine architecture version. >> ^ I tested building an amd64 -> arm cross-build based on > # svnlite diff Makefile.libcompat > Index: Makefile.libcompat > =================================================================== > --- Makefile.libcompat (revision 297514) > +++ Makefile.libcompat (working copy) > _at__at_ -90,6 +90,7 _at__at_ > DTRACE="${LIB$COMPATDTRACE:U${DTRACE}}" > LIBCOMPATWMAKEFLAGS+= CC="${XCC} ${LIBCOMPATCFLAGS}" \ > CXX="${XCXX} ${LIBCOMPATCFLAGS} ${LIBCOMPATCXXFLAGS}" \ > + CPP="${XCPP}" \ > DESTDIR=${LIBCOMPATTMP} \ > -DNO_CPU_CFLAGS \ > MK_CTF=no \ and it completed without getting an "error:". So this addition to Makefile.libcompat may be one option for a fix. === Mark Millard markmi at dsl-only.netReceived on Wed Apr 06 2016 - 18:14:54 UTC
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