The following is from attempting to build devel/powerpc-gcc
via poudriere-devel on the powerpc64 system after having
bootstrapped via (in part) base/binutils and the .txz
produced on the host (amd64).

Looks like having both:

/usr/bin/powerpc64-unknown-freebsd12.0-*
and:
/usr/local/bin/powerpc64-unknown-freebsd12.0-*

in a powerpc64 environment confuses "phase: build-depends"
in poudriere for the devel/powerpc64-gcc build:

=======================<phase: build-depends  >============================
===>   powerpc64-gcc-6.4.0_2 depends on executable: 
powerpc64-unknown-freebsd12.0-as - found

I.e., poudriere finds /usr/bin/powerpc64-unknown-freebsd12.0-as
and concludes that devel/powerpc64-binutils does not need to be
installed for the devel/powerpc64-gcc to build.

Eventually this leads to aborting based on gcc's config noticing
an oddity:

. . .
checking for ld used by GCC... /usr/bin/powerpc64-unknown-freebsd12.0-ld
checking if the linker (/usr/bin/powerpc64-unknown-freebsd12.0-ld) is GNU ld... 
yes
configure: error: cannot execute: 
/usr/local/bin/powerpc64-unknown-freebsd12.0-ld: check --with-ld or env. var. 
DEFAULT_LINKER


This is associated with:

CONFIGURE_ARGS+=--target=${GCC_TARGET} --disable-nls --enable-languages=c,c++ \
                --enable-gnu-indirect-function \
                --without-headers \
                --with-gmp=${LOCALBASE} \
                --with-pkgversion="FreeBSD Ports Collection for 
${PKGNAMEPREFIX:C/-//g}" \
                --with-system-zlib \
                --with-gxx-include-dir=/usr/include/c++/v1/ \
                --with-sysroot="/" \
                --with-as=${LOCALBASE}/bin/${BU_PREFIX}-as \
                --with-ld=${LOCALBASE}/bin/${BU_PREFIX}-ld

having the --with-ld not list the */bin/${BU_PREFIX}-ld it actually
finds and tests in config ( /usr used instead of ${LOCALBASE} ).


If any other port binds to devel/powerpc64-binutils it probably
has the same sort of issue. (Unlikely?)

This is not likely to be specific to powerpc64 as a base/binutils
target: powerpc64 is likely just an example.

===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)

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