[MacPorts] #55535: boost at 1.65.1_1: fails to build on legacy platforms (was: boost at mpv(leopard): failed to build boost)

[MacPorts]

#55535: boost at 1.65.1_1: fails to build on legacy platforms
----------------------+---------------------------------
  Reporter:  mrkapqa  |      Owner:  ryandesign
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.4.2
Resolution:           |   Keywords:  leopard snowleopard
      Port:  boost    |
----------------------+---------------------------------
Changes (by Ionic):

 * status:  new => assigned
 * cc: michaelld (added)
 * owner:   => ryandesign
 * keywords:  mpv boost leopard => leopard snowleopard


Old description:

> sudo port install mpv
> +audiocd+bundle+dvd+libarchive+network+opengl+osd+python27+rubberband+x11
> --->  Computing dependencies for mpv
> The following dependencies will be installed:
>  Xft2
>  apr
>  apr-util
>  autoconf-archive
>  boost
>  cmake
>  ctags
>  curl
>  cyrus-sasl2
>  db46
>  ffmpeg
>  flac
>  gcc6
>  gd2
>  gdk-pixbuf2
>  ghostscript
>  giflib
>  gnome-common
>  graphite2
>  graphviz
>  groff
>  gsed
>  gtk-doc
>  gts
>  harfbuzz
>  intltool
>  isl
>  jasper
>  jbig2dec
>  jbigkit
>  jpeg
>  kerberos5
>  lcms2
>  libLASi
>  libarchive
>  libcddb
>  libcdio
>  libcdio-paranoia
>  libcomerr
>  libcroco
>  libdvdcss
>  libdvdnav
>  libdvdread
>  libgcc
>  libgcc6
>  libidn
>  libmagic
>  libmpc
>  libnetpbm
>  libpaper
>  libpsl
>  librsvg
>  libsndfile
>  libtheora
>  libuv
>  libvorbis
>  lua52
>  lz4
>  lzo2
>  mpfr
>  netpbm
>  openjpeg
>  p5.26-cpan-meta-requirements
>  p5.26-devel-checkbin
>  p5.26-encode-locale
>  p5.26-extutils-makemaker
>  p5.26-extutils-manifest
>  p5.26-file-listing
>  p5.26-getopt-long
>  p5.26-html-form
>  p5.26-html-parser
>  p5.26-html-tagset
>  p5.26-http-cookies
>  p5.26-http-daemon
>  p5.26-http-date
>  p5.26-http-message
>  p5.26-http-negotiate
>  p5.26-io-html
>  p5.26-io-socket-ssl
>  p5.26-libwww-perl
>  p5.26-lwp-mediatypes
>  p5.26-lwp-protocol-https
>  p5.26-mozilla-ca
>  p5.26-net-http
>  p5.26-net-libidn
>  p5.26-net-ssleay
>  p5.26-pathtools
>  p5.26-scalar-list-utils
>  p5.26-sub-name
>  p5.26-sub-uplevel
>  p5.26-test-exception
>  p5.26-test-nowarnings
>  p5.26-test-warn
>  p5.26-try-tiny
>  p5.26-uri
>  p5.26-www-robotrules
>  p5.26-xml-parser
>  pango
>  popt
>  psutils
>  py27-alabaster
>  py27-babel
>  py27-certifi
>  py27-chardet
>  py27-docutils
>  py27-idna
>  py27-imagesize
>  py27-jinja2
>  py27-pygments
>  py27-requests
>  py27-roman
>  py27-snowballstemmer
>  py27-sphinx
>  py27-sphinxcontrib-websupport
>  py27-typing
>  py27-tz
>  py27-urllib3
>  rubberband
>  scons
>  serf1
>  shared-mime-info
>  source-highlight
>  soxr
>  speex
>  sphinx_select
>  subversion
>  swig
>  swig-python
>  tiff
>  urw-fonts
>  vala
>  webp
>  x264
>  xorg-libXScrnSaver
>  xorg-libXaw
>  xorg-libXinerama
>  xorg-libXrandr
>  xorg-libXv
>  xorg-randrproto
>  xorg-scrnsaverproto
>  xorg-videoproto
>  xorg-xineramaproto
>  xpm
>  youtube-dl
> Continue? [Y/n]: y
> --->  Building boost
> Error: Failed to build boost: command execution failed

New description:

 {{{
 sudo port install mpv
 +audiocd+bundle+dvd+libarchive+network+opengl+osd+python27+rubberband+x11
 --->  Computing dependencies for mpv
 The following dependencies will be installed:
  [...]
  boost
  [...]
 Continue? [Y/n]: y
 --->  Building boost
 Error: Failed to build boost: command execution failed
 }}}

--

Comment:

 Port names are not keywords...

 Might be another dreaded C++11 problem - but this time stemming from
 `libunwind-headers`?

 10.6 also affected.

--
Ticket URL: <https://trac.macports.org/ticket/55535#comment:1>
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