* Package:    dev-ml/opam-format-2.1.2
 * Repository: gentoo
 * Maintainer: ml@gentoo.org gienah@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux ocamlopt userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox

>>> Unpacking source...
>>> Unpacking opam-2.1.2.tar.gz to /var/tmp/portage/dev-ml/opam-format-2.1.2/work
>>> Unpacking opam-2.1.0-dose3-6.patch.xz to /var/tmp/portage/dev-ml/opam-format-2.1.2/work
>>> Source unpacked in /var/tmp/portage/dev-ml/opam-format-2.1.2/work
>>> Preparing source in /var/tmp/portage/dev-ml/opam-format-2.1.2/work/opam-2.1.2 ...
 * Applying opam-2.1.0-dose3-6.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-ml/opam-format-2.1.2/work/opam-2.1.2 ...
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --docdir=/usr/share/doc/opam-format-2.1.2 --htmldir=/usr/share/doc/opam-format-2.1.2/html --libdir=/usr/lib64
checking for x86_64-pc-linux-gnu-ocamlc... no
checking for ocamlc... ocamlc
OCaml version is 4.12.1
OCaml library path is /usr/lib64/ocaml
checking for x86_64-pc-linux-gnu-ocamlopt... no
checking for ocamlopt... ocamlopt
checking for x86_64-pc-linux-gnu-ocamlc.opt... no
checking for ocamlc.opt... ocamlc.opt
checking for x86_64-pc-linux-gnu-ocamlopt.opt... no
checking for ocamlopt.opt... ocamlopt.opt
checking for x86_64-pc-linux-gnu-ocaml... no
checking for ocaml... ocaml
checking for x86_64-pc-linux-gnu-ocamldep... no
checking for ocamldep... ocamldep
checking for x86_64-pc-linux-gnu-ocamldep.opt... no
checking for ocamldep.opt... ocamldep.opt
checking for x86_64-pc-linux-gnu-ocamlmktop... no
checking for ocamlmktop... ocamlmktop
checking for x86_64-pc-linux-gnu-ocamlmklib... no
checking for ocamlmklib... ocamlmklib
checking for x86_64-pc-linux-gnu-ocamldoc... no
checking for ocamldoc... ocamldoc
checking for x86_64-pc-linux-gnu-ocamldoc.opt... no
checking for ocamldoc.opt... ocamldoc.opt
checking for x86_64-pc-linux-gnu-ocamlbuild... no
checking for ocamlbuild... ocamlbuild
checking OCaml Sys.os_type... Unix
checking for gawk... gawk
checking for compiler type... cc
checking for compiler architecture... amd64
checking for compiler system... linux
checking for x86_64-pc-linux-gnu-x86_64-pc-linux-gnu-gcc... no
checking for x86_64-pc-linux-gnu-gcc... x86_64-pc-linux-gnu-gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether x86_64-pc-linux-gnu-gcc accepts -g... yes
checking for x86_64-pc-linux-gnu-gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... x86_64-pc-linux-gnu-gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking acl/libacl.h usability... yes
checking acl/libacl.h presence... yes
checking for acl/libacl.h... yes
checking for library containing acl_get_perm... -lacl
checking for x86_64-pc-linux-gnu-ocamlobjinfo... no
checking for ocamlobjinfo... ocamlobjinfo
checking for x86_64-pc-linux-gnu-ocamlfind... no
checking for ocamlfind... ocamlfind
checking for curl... curl
checking for x86_64-pc-linux-gnu-dune... no
checking for dune... dune
checking for x86_64-pc-linux-gnu-cppo... no
checking for cppo... cppo
checking for x86_64-pc-linux-gnu-patch... no
checking for patch... patch
checking for x86_64-pc-linux-gnu-bunzip2... no
checking for bunzip2... bunzip2

checking for OCaml findlib package unix... found
checking for OCaml findlib package bigarray... found
checking for OCaml findlib package extlib... found
checking for OCaml findlib package re... found
checking for OCaml findlib package re.glob... found
checking for OCaml findlib package cmdliner... found
checking for OCaml findlib package ocamlgraph... found
checking for OCaml findlib package cudf... found
checking for OCaml findlib package dose3.common... found
checking for OCaml findlib package dose3.algo... found
checking for OCaml findlib package opam-file-format... found
checking for OCaml findlib package mccs... found
checking for OCaml findlib package opam-0install-cudf... not found
checking for x86_64-pc-linux-gnu-g++... x86_64-pc-linux-gnu-g++
checking whether we are using the GNU C++ compiler... yes
checking whether x86_64-pc-linux-gnu-g++ accepts -g... yes

configure: creating ./config.status
config.status: creating Makefile.config
config.status: creating src/ocaml-flags-configure.sexp
config.status: creating src/stubs/c-flags.sexp
config.status: creating src/stubs/libacl/c-libraries.sexp

Opam will be built WITH a built-in solver

Executables will be installed in /usr/bin
Manual pages will be installed in /usr/share/man
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-ml/opam-format-2.1.2/work/opam-2.1.2 ...
 * Building ...
File "src/solver/opamBuiltinMccs.ml", line 1:
Error: /usr/lib64/ocaml/mccs/mccs.cmi
       is not a compiled interface for this version of OCaml.
It seems to be for a newer version of OCaml.
 [ !! ]                  
 * ERROR: dev-ml/opam-format-2.1.2::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 127:  Called src_compile
 *   environment, line 603:  Called dune_src_compile
 *   environment, line 388:  Called die
 * The specific snippet of code:
 *       eend $? || die
 * 
 * If you need support, post the output of `emerge --info '=dev-ml/opam-format-2.1.2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-ml/opam-format-2.1.2::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-ml:opam-format-2.1.2:20220218-154228.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-ml/opam-format-2.1.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-ml/opam-format-2.1.2/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-ml/opam-format-2.1.2/work/opam-2.1.2'
 * S: '/var/tmp/portage/dev-ml/opam-format-2.1.2/work/opam-2.1.2'