[MacPorts] #53315: emacs @25.1: imagemagick variant doesn't work

[MacPorts]

#53315: emacs @25.1: imagemagick variant doesn't work
---------------------------------+------------------
  Reporter:  ryandesign          |      Owner:  drkp
      Type:  defect              |     Status:  new
  Priority:  Normal              |  Milestone:
 Component:  ports               |    Version:
Resolution:                      |   Keywords:
      Port:  emacs, emacs-devel  |
---------------------------------+------------------

Comment (by jeremyhu):

 {{{
 HAVE_IMAGEMAGICK=no
 if test "${HAVE_X11}" = "yes" || test "${HAVE_NS}" = "yes" || test
 "${HAVE_W32}" = "yes"; then
   if test "${with_imagemagick}" != "no"; then
     ## 6.3.5 is the earliest version known to work; see Bug#17339.
     ## 6.8.2 makes Emacs crash; see Bug#13867.
     IMAGEMAGICK_MODULE="Wand >= 6.3.5 Wand != 6.8.2"
     EMACS_CHECK_MODULES([IMAGEMAGICK], [$IMAGEMAGICK_MODULE])
     AC_SUBST(IMAGEMAGICK_CFLAGS)
     AC_SUBST(IMAGEMAGICK_LIBS)

     if test $HAVE_IMAGEMAGICK = yes; then
       AC_DEFINE(HAVE_IMAGEMAGICK, 1, [Define to 1 if using imagemagick.])
       OLD_CFLAGS=$CFLAGS
       OLD_LIBS=$LIBS
       CFLAGS="$CFLAGS $IMAGEMAGICK_CFLAGS"
       LIBS="$IMAGEMAGICK_LIBS $LIBS"
       AC_CHECK_FUNCS(MagickExportImagePixels MagickMergeImageLayers)
       CFLAGS=$OLD_CFLAGS
       LIBS=$OLD_LIBS
     fi
   fi
 fi
 }}}

 Yeah, --with-imagemagick requires either --with-x11 or --with-ns.

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Ticket URL: <https://trac.macports.org/ticket/53315#comment:6>
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