diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3405999..d6586cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,8 +7,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}"
 
 include(GNUInstallDirs)
 
-foreach(arch i686 x86_64)
-  set(cmd "archlinuxcn-${arch}-build")
+function(install_build_script cmd)
   add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/cmds/${cmd}"
     COMMAND "${CMAKE_COMMAND}" -E make_directory
     "${CMAKE_CURRENT_BINARY_DIR}/cmds"
@@ -16,9 +15,13 @@ foreach(arch i686 x86_64)
     "${CMAKE_CURRENT_BINARY_DIR}/cmds/${cmd}")
   add_custom_target(${cmd}.target ALL
     DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/cmds/${cmd}")
-endforeach()
+endfunction()
+
+install_build_script(archlinuxcn-i686-build)
+install_build_script(archlinuxcn-x86_64-build)
+install_build_script(multilib-archlinuxcn-build)
 
 install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/cmds/"
   DESTINATION "${CMAKE_INSTALL_BINDIR}")
-install(FILES "pacman-archlinuxcn.conf"
+install(FILES "pacman-archlinuxcn.conf" "pacman-multilib-archlinuxcn.conf"
   DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/devtools/")
diff --git a/pacman-multilib-archlinuxcn.conf b/pacman-multilib-archlinuxcn.conf
new file mode 100644
index 0000000..ffb295f
--- /dev/null
+++ b/pacman-multilib-archlinuxcn.conf
@@ -0,0 +1,108 @@
+#
+# /etc/pacman.conf
+#
+# See the pacman.conf(5) manpage for option and repository directives
+
+#
+# GENERAL OPTIONS
+#
+[options]
+# The following paths are commented out with their default values listed.
+# If you wish to use different paths, uncomment and update the paths.
+#RootDir     = /
+#DBPath      = /var/lib/pacman/
+#CacheDir    = /var/cache/pacman/pkg/
+#LogFile     = /var/log/pacman.log
+#GPGDir      = /etc/pacman.d/gnupg/
+HoldPkg     = pacman glibc
+#XferCommand = /usr/bin/curl -C - -f %u > %o
+#XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u
+#CleanMethod = KeepInstalled
+#UseDelta    = 0.7
+Architecture = auto
+
+# Pacman won't upgrade packages listed in IgnorePkg and members of IgnoreGroup
+#IgnorePkg   =
+#IgnoreGroup =
+
+#NoUpgrade   =
+#NoExtract   =
+
+# Misc options
+#UseSyslog
+#Color
+#TotalDownload
+# We cannot check disk space from within a chroot environment
+#CheckSpace
+#VerbosePkgLists
+
+# By default, pacman accepts packages signed by keys that its local keyring
+# trusts (see pacman-key and its man page), as well as unsigned packages.
+SigLevel    = Required DatabaseOptional
+LocalFileSigLevel = Optional
+#RemoteFileSigLevel = Required
+
+# NOTE: You must run `pacman-key --init` before first using pacman; the local
+# keyring can then be populated with the keys of all official Arch Linux
+# packagers with `pacman-key --populate archlinux`.
+
+#
+# REPOSITORIES
+#   - can be defined here or included from another file
+#   - pacman will search repositories in the order defined here
+#   - local/custom mirrors can be added here or in separate files
+#   - repositories listed first will take precedence when packages
+#     have identical names, regardless of version number
+#   - URLs will have $repo replaced by the name of the current repo
+#   - URLs will have $arch replaced by the name of the architecture
+#
+# Repository entries are of the format:
+#       [repo-name]
+#       Server = ServerName
+#       Include = IncludePath
+#
+# The header [repo-name] is crucial - it must be present and
+# uncommented to enable the repo.
+#
+
+[haskell-core]
+# Server = http://repo-hs.archlinuxcn.org/$arch
+Server = http://xsounds.org/~haskell/core/$arch
+
+# The testing repositories are disabled by default. To enable, uncomment the
+# repo name header and Include lines. You can add preferred servers immediately
+# after the header, and they will be used before the default mirrors.
+
+#[testing]
+#Include = /etc/pacman.d/mirrorlist
+
+[core]
+Include = /etc/pacman.d/mirrorlist
+
+[extra]
+Include = /etc/pacman.d/mirrorlist
+
+#[community-testing]
+#Include = /etc/pacman.d/mirrorlist
+
+[community]
+Include = /etc/pacman.d/mirrorlist
+
+# If you want to run 32 bit applications on your x86_64 system,
+# enable the multilib repositories as required here.
+
+#[multilib-testing]
+#Include = /etc/pacman.d/mirrorlist
+
+[multilib]
+Include = /etc/pacman.d/mirrorlist
+
+# An example of a custom package repository.  See the pacman manpage for
+# tips on creating your own repositories.
+#[custom]
+#SigLevel = Optional TrustAll
+#Server = file:///home/custompkgs
+
+[archlinuxcn]
+SigLevel = Optional TrustAll
+Server = http://repo.archlinuxcn.org/$arch