* Package:    dev-ml/core_kernel-0.14.2
 * Repository: gentoo
 * Maintainer: ml@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux ocamlopt userland_GNU
 * FEATURES:   compressdebug network-sandbox preserve-libs sandbox splitdebug userpriv usersandbox

>>> Unpacking source...
>>> Unpacking core_kernel-0.14.2.tar.gz to /var/tmp/portage/dev-ml/core_kernel-0.14.2/work
>>> Source unpacked in /var/tmp/portage/dev-ml/core_kernel-0.14.2/work
>>> Preparing source in /var/tmp/portage/dev-ml/core_kernel-0.14.2/work/core_kernel-0.14.2 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-ml/core_kernel-0.14.2/work/core_kernel-0.14.2 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-ml/core_kernel-0.14.2/work/core_kernel-0.14.2 ...
 * Building ...
File "src/dune", line 1, characters 0-119:
1 | (rule (targets config.h rt-flags) (deps)
2 |  (action (bash "cp %{lib:jst-config:config.h} %{lib:jst-config:rt-flags} .")))
Error: File unavailable: /usr/lib64/ocaml/jst-config/rt-flags
 [ !! ]                  
 * ERROR: dev-ml/core_kernel-0.14.2::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 127:  Called src_compile
 *   environment, line 602:  Called dune_src_compile
 *   environment, line 417:  Called die
 * The specific snippet of code:
 *       eend $? || die
 * 
 * If you need support, post the output of `emerge --info '=dev-ml/core_kernel-0.14.2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-ml/core_kernel-0.14.2::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-ml:core_kernel-0.14.2:20220130-145953.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-ml/core_kernel-0.14.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-ml/core_kernel-0.14.2/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-ml/core_kernel-0.14.2/work/core_kernel-0.14.2'
 * S: '/var/tmp/portage/dev-ml/core_kernel-0.14.2/work/core_kernel-0.14.2'