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I'm trying to install Dwarf Fortress on my MacBook Air running FreeBSD 11.0 via pkg install linux-dwarffortress. Here is some background information:

root@machine0:~ # uname -a
FreeBSD machine0 11.0-RELEASE-p10 FreeBSD 11.0-RELEASE-p10 #1 r319768: Sat Jun 10 07:03:28 CST 2017     root@machine0:/usr/obj/usr/src/sys/GENERIC  amd64

During the installation, I got a kernel missing Linux support error:

[1/28] Installing linux-c6-expat-2.0.1_5...
Cannot install package: kernel missing Linux support
pkg: PRE-INSTALL script failed

I just updated my system today, following the instructions of the FreeBSD handbook.

How do I fix this?

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    Do you have linux_enable="YES" in your rc.conf file? See this document for more.
    – Richard Smith
    Commented Jun 10, 2017 at 17:09
  • @RichardSmith Ahh I forgot I wasn't using Linux! Thanks for pointing this out. My machine is rebuilding the kernel, and I'll added that line after it finishes.
    – nalzok
    Commented Jun 10, 2017 at 17:18
  • @SunQingyao Does this fix your problem? If so, you can close or delete your question. Or Richard Smith could leave an answer.
    – Faheem Mitha
    Commented Jun 10, 2017 at 19:06
  • @RichardSmith Thanks, this works, though I'm still having an "Error opening xterm" problem, which should be dealt with in a new question. Would you consider making your comment an answer?
    – nalzok
    Commented Jun 11, 2017 at 0:27
  • @FaheemMitha It does fix my problem, but I don't understand why should I close or delete my question? Because it's solved?
    – nalzok
    Commented Jun 11, 2017 at 0:29

2 Answers 2

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According to the dwarffortresswiki before installing the linux-dwarffortress , you should install the required package to solve the missing Linux support error:

FreeBSD

Although there is no official version ported to FreeBSD, Dwarf Fortress can nevertheless be run using either Wine or FreeBSD's compatibility with Linux. However, attempting to run the Linux version out of the blue will result in an error about missing library files. Such files must be downloaded from special linux-compatible packages or ports; using your preferred installation method, install the following:

linux-c6 :

 sudo pkg install linux-c6-gtk2 linux-c6-sdl linux-c6-sdl_image linux-c6-sdl_ttf linux-c6-libGLU \
 linux-c6-openal-soft linux-c6-libsndfile linux-c6-alsa-plugins-oss

linux-f10

If you don't have the linux-c6 ports available in your system, you can still run Dwarf Fortress (albeit without sound) using the following packages:

 sudo pkg install linux-f10-alsa-lib linux-f10-atk linux-f10-cairo linux-f10-expat linux-f10-fontconfig \
 linux-f10-gtk2 linux-f10-jpeg linux-f10-pango linux-f10-png linux-f10-sdl linux-f10-sdl_image linux-f10-tiff \
 linux-f10-xorg-libs linux-sdl_ttf linux_base-f10 linux_dri linux-f10-libGLU
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You are missing kldload linux64

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