Stupid Question, maybe? Wine On x64 issue

[UbuntuSupahFly]

Short version: my hard drive failed, so I got a new one, and reinstalled Ringtail x64 (for the record, not that it matters, /home was mounted on a different physical disk, which remains fine). Now, when installing all my old apps and tools, for the most part, it's been problem free: Guake, Minecraft, Oracle Java, Firefox, etc. Except for WINE.

So I'm wondering why, when I do this:

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seann@optiplex:~$ uname -a
Linux optiplex 3.9.0-030900-generic #201304291257 SMP Mon Apr 29 16:58:15 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

Or this:

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seann@optiplex:~$ less /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	: Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping	: 3
microcode	: 0x5
cpu MHz		: 2800.000
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc pebs bts nopl pni dtes64 monitor ds_cpl est cid cx16 xtpr
bogomips	: 5985.09
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	: Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping	: 3
microcode	: 0x5
cpu MHz		: 2800.000
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 0
apicid		: 1
initial apicid	: 1
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc pebs bts nopl pni dtes64 monitor ds_cpl est cid cx16 xtpr
bogomips	: 5985.09
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

It all clearly indicates I'm running 2 64-bit cores.

So when I do this:

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seann@optiplex:~$ sudo apt-get install wine1.5

Why do I get this:

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The following extra packages will be installed:
  gcc-4.7-base:i386 libasn1-8-heimdal:i386 libasound2:i386 libasound2-plugins:i386 libasyncns0:i386 libavahi-client3:i386 libavahi-common-data:i386 libavahi-common3:i386 libc6:i386 libcapi20-3:i386 libcomerr2:i386 libcups2:i386
  libdb5.1:i386 libdbus-1-3:i386 libdrm-intel1:i386 libdrm-nouveau2:i386 libdrm-radeon1:i386 libdrm2:i386 libexif12:i386 libexpat1:i386 libffi6:i386 libflac8:i386 libfontconfig1:i386 libfreetype6:i386 libgcc1:i386 libgcrypt11:i386
  libgd2-xpm:i386 libgif4:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 libglapi-mesa:i386 libglib2.0-0:i386 libglu1-mesa:i386 libgnutls26:i386 libgpg-error0:i386 libgphoto2-2:i386 libgphoto2-port0:i386 libgpm2:i386
  libgssapi-krb5-2:i386 libgssapi3-heimdal:i386 libgstreamer-plugins-base0.10-0:i386 libgstreamer0.10-0:i386 libhcrypto4-heimdal:i386 libheimbase1-heimdal:i386 libheimntlm0-heimdal:i386 libhx509-5-heimdal:i386 libice6:i386
  libieee1284-3:i386 libjack-jackd2-0:i386 libjbig0:i386 libjpeg-turbo8:i386 libjpeg8:i386 libjson0:i386 libk5crypto3:i386 libkeyutils1:i386 libkrb5-26-heimdal:i386 libkrb5-3:i386 libkrb5support0:i386 liblcms1:i386 libldap-2.4-2:i386
  libllvm3.2:i386 libltdl7:i386 liblzma5:i386 libmpg123-0:i386 libncurses5:i386 libogg0:i386 libopenal1:i386 liborc-0.4-0:i386 libosmesa6:i386 libp11-kit0:i386 libpciaccess0:i386 libpcre3:i386 libpng12-0:i386 libpulse0:i386
  libroken18-heimdal:i386 libsamplerate0:i386 libsane:i386 libsasl2-2:i386 libsasl2-modules:i386 libselinux1:i386 libsm6:i386 libsndfile1:i386 libspeexdsp1:i386 libsqlite3-0:i386 libssl1.0.0:i386 libstdc++6:i386 libtasn1-3:i386
  libtiff4:i386 libtiff5:i386 libtinfo5:i386 libtxc-dxtn-s2tc0:i386 libusb-0.1-4:i386 libusb-1.0-0:i386 libuuid1:i386 libv4l-0:i386 libv4lconvert0:i386 libvorbis0a:i386 libvorbisenc2:i386 libwind0-heimdal:i386 libwrap0:i386 libx11-6:i386
  libx11-xcb1:i386 libxau6:i386 libxcb-dri2-0:i386 libxcb-glx0:i386 libxcb1:i386 libxcomposite1:i386 libxcursor1:i386 libxdamage1:i386 libxdmcp6:i386 libxext6:i386 libxfixes3:i386 libxi6:i386 libxinerama1:i386 libxml2:i386 libxpm4:i386
  libxrandr2:i386 libxrender1:i386 libxslt1.1:i386 libxt6:i386 libxxf86vm1:i386 wine-gecko1.9 wine-gecko2.21:i386 wine-mono0.0.8 wine1.5-amd64 wine1.5-i386:i386 winetricks zlib1g:i386
Suggested packages:
  glibc-doc:i386 locales:i386 rng-tools:i386 libgd-tools:i386 libglide3:i386 gnutls-bin:i386 gphoto2:i386 gtkam:i386 gpm:i386 krb5-doc:i386 krb5-user:i386 libvisual-0.4-plugins:i386 gstreamer-codec-install:i386 gnome-codec-install:i386
  gstreamer0.10-tools:i386 gstreamer0.10-plugins-base:i386 jackd2:i386 liblcms-utils:i386 libportaudio2:i386 libroar-compat2:i386 pulseaudio:i386 hpoj:i386 hplip:i386 libsane-extras:i386 sane-utils:i386 libsasl2-modules-otp:i386
  libsasl2-modules-ldap:i386 libsasl2-modules-sql:i386 libsasl2-modules-gssapi-mit:i386 libsasl2-modules-gssapi-heimdal:i386 dosbox:any
Recommended packages:
  libtxc-dxtn0:i386 xml-core:i386 wine-mono0.0.8:i386
The following NEW packages will be installed:
  gcc-4.7-base:i386 libasn1-8-heimdal:i386 libasound2:i386 libasound2-plugins:i386 libasyncns0:i386 libavahi-client3:i386 libavahi-common-data:i386 libavahi-common3:i386 libc6:i386 libcapi20-3:i386 libcomerr2:i386 libcups2:i386
  libdb5.1:i386 libdbus-1-3:i386 libdrm-intel1:i386 libdrm-nouveau2:i386 libdrm-radeon1:i386 libdrm2:i386 libexif12:i386 libexpat1:i386 libffi6:i386 libflac8:i386 libfontconfig1:i386 libfreetype6:i386 libgcc1:i386 libgcrypt11:i386
  libgd2-xpm:i386 libgif4:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 libglapi-mesa:i386 libglib2.0-0:i386 libglu1-mesa:i386 libgnutls26:i386 libgpg-error0:i386 libgphoto2-2:i386 libgphoto2-port0:i386 libgpm2:i386
  libgssapi-krb5-2:i386 libgssapi3-heimdal:i386 libgstreamer-plugins-base0.10-0:i386 libgstreamer0.10-0:i386 libhcrypto4-heimdal:i386 libheimbase1-heimdal:i386 libheimntlm0-heimdal:i386 libhx509-5-heimdal:i386 libice6:i386
  libieee1284-3:i386 libjack-jackd2-0:i386 libjbig0:i386 libjpeg-turbo8:i386 libjpeg8:i386 libjson0:i386 libk5crypto3:i386 libkeyutils1:i386 libkrb5-26-heimdal:i386 libkrb5-3:i386 libkrb5support0:i386 liblcms1:i386 libldap-2.4-2:i386
  libllvm3.2:i386 libltdl7:i386 liblzma5:i386 libmpg123-0:i386 libncurses5:i386 libogg0:i386 libopenal1:i386 liborc-0.4-0:i386 libosmesa6:i386 libp11-kit0:i386 libpciaccess0:i386 libpcre3:i386 libpng12-0:i386 libpulse0:i386
  libroken18-heimdal:i386 libsamplerate0:i386 libsane:i386 libsasl2-2:i386 libsasl2-modules:i386 libselinux1:i386 libsm6:i386 libsndfile1:i386 libspeexdsp1:i386 libsqlite3-0:i386 libssl1.0.0:i386 libstdc++6:i386 libtasn1-3:i386
  libtiff4:i386 libtiff5:i386 libtinfo5:i386 libtxc-dxtn-s2tc0:i386 libusb-0.1-4:i386 libusb-1.0-0:i386 libuuid1:i386 libv4l-0:i386 libv4lconvert0:i386 libvorbis0a:i386 libvorbisenc2:i386 libwind0-heimdal:i386 libwrap0:i386 libx11-6:i386
  libx11-xcb1:i386 libxau6:i386 libxcb-dri2-0:i386 libxcb-glx0:i386 libxcb1:i386 libxcomposite1:i386 libxcursor1:i386 libxdamage1:i386 libxdmcp6:i386 libxext6:i386 libxfixes3:i386 libxi6:i386 libxinerama1:i386 libxml2:i386 libxpm4:i386
  libxrandr2:i386 libxrender1:i386 libxslt1.1:i386 libxt6:i386 libxxf86vm1:i386 wine-gecko1.9 wine-gecko2.21:i386 wine-mono0.0.8 wine1.5 wine1.5-amd64 wine1.5-i386:i386 winetricks zlib1g:i386
0 upgraded, 129 newly installed, 0 to remove and 0 not upgraded.
Need to get 38.6 MB/176 MB of archives.
After this operation, 443 MB of additional disk space will be used.
Do you want to continue [Y/n]? n
Abort.
seann@optiplex:~$ 

Basically, if I'm running the :amd64 flavour of Ringtail, why does it want me to install all these :i386 packages? All the rest of my apps are :amd64, so why not WINE?

[dimesio]

32 bit libraries are needed to run 32 bit apps, and most Windows apps are 32 bit.

[UbuntuSupahFly]

So, I can go ahead and install all those :i386 libraries then... Cool. Just checking, because I don't recall APT asking to install so many things with WINE when I installed it initially on 11.04. Were most of those :i386 packages already installed by default with the initial OS setup then? If so, WTF happened to my Ringtail re-install that made them all vanish? -- I realize you probably can't answer that one, but I did get the confirmation I was looking, for so I'm happy. Thanks!