diff --git a/packages/bcif.rb b/packages/bcif.rb
index 5b84e97d5..a939c3fe9 100644
--- a/packages/bcif.rb
+++ b/packages/bcif.rb
@@ -30,8 +30,8 @@ class Bcif < Package
 
   def self.install
     FileUtils.cd('Cpp') do
-      system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-      system "cp bcif #{CREW_DEST_DIR}/usr/local/bin"
+      system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+      system "cp bcif #{CREW_DEST_PREFIX}/bin"
     end
   end
 end
diff --git a/packages/cdrkit.rb b/packages/cdrkit.rb
index 959bc53d4..8e0b624e4 100644
--- a/packages/cdrkit.rb
+++ b/packages/cdrkit.rb
@@ -25,7 +25,7 @@ class Cdrkit < Package
 
   def self.build
     system 'make clean'
-    system 'make CFLAGS=-I/usr/local/include LDFLAGS=-L/usr/local/lib'
+    system "make CFLAGS='-I#{CREW_PREFIX}/include' LDFLAGS='-L#{CREW_LIB_PREFIX}'"
   end
 
   def self.install
diff --git a/packages/darkhttpd.rb b/packages/darkhttpd.rb
index 4f54f2e30..979b22056 100644
--- a/packages/darkhttpd.rb
+++ b/packages/darkhttpd.rb
@@ -25,7 +25,7 @@ class Darkhttpd < Package
   end
 
   def self.install
-    FileUtils.mkdir_p "#{CREW_DEST_DIR}/usr/local/bin"
-    FileUtils.cp 'darkhttpd', "#{CREW_DEST_DIR}/usr/local/bin/"
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/bin"
+    FileUtils.cp 'darkhttpd', "#{CREW_DEST_PREFIX}/bin/"
   end
 end
diff --git a/packages/diffutils.rb b/packages/diffutils.rb
index 652f2a6b4..a23db55a9 100644
--- a/packages/diffutils.rb
+++ b/packages/diffutils.rb
@@ -23,7 +23,7 @@ class Diffutils < Package
   depends_on 'libsigsegv'
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/dos2unix.rb b/packages/dos2unix.rb
index b1f73237c..beb1be25f 100644
--- a/packages/dos2unix.rb
+++ b/packages/dos2unix.rb
@@ -27,10 +27,10 @@ class Dos2unix < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp dos2unix #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp mac2unix #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp unix2dos #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp unix2mac #{CREW_DEST_DIR}/usr/local/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp dos2unix #{CREW_DEST_PREFIX}/bin"
+    system "cp mac2unix #{CREW_DEST_PREFIX}/bin"
+    system "cp unix2dos #{CREW_DEST_PREFIX}/bin"
+    system "cp unix2mac #{CREW_DEST_PREFIX}/bin"
   end
 end
diff --git a/packages/dropbox_uploader.rb b/packages/dropbox_uploader.rb
index 9ef23c2b3..4f49f7282 100644
--- a/packages/dropbox_uploader.rb
+++ b/packages/dropbox_uploader.rb
@@ -26,9 +26,9 @@ class Dropbox_uploader < Package
     system "sed -i 's,dropbox_uploader.sh,dropbox_uploader,g' dropShell.sh"
     system "chmod +x dropShell.sh"
     system "chmod +x dropbox_uploader.sh"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp dropShell.sh #{CREW_DEST_DIR}/usr/local/bin/dropshell"
-    system "cp dropbox_uploader.sh #{CREW_DEST_DIR}/usr/local/bin/dropbox_uploader"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp dropShell.sh #{CREW_DEST_PREFIX}/bin/dropshell"
+    system "cp dropbox_uploader.sh #{CREW_DEST_PREFIX}/bin/dropbox_uploader"
     puts ""
     puts "Type 'dropbox_uploader' and follow the instructions to finish the installation.".lightblue
     puts "To execute The Interactive Dropbox SHELL, type 'dropshell'.".lightblue
diff --git a/packages/dstat.rb b/packages/dstat.rb
index ef793841a..102bde388 100644
--- a/packages/dstat.rb
+++ b/packages/dstat.rb
@@ -26,6 +26,6 @@ class Dstat < Package
   end
 
   def self.install
-    system "make", "prefix=/usr/local", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    system "make", "prefix=#{CREW_PREFIX}", "DESTDIR=#{CREW_DEST_DIR}", "install"
   end
 end
diff --git a/packages/dtrx.rb b/packages/dtrx.rb
index 7a16eea97..496c23e75 100644
--- a/packages/dtrx.rb
+++ b/packages/dtrx.rb
@@ -31,8 +31,8 @@ class Dtrx < Package
   depends_on 'unzip'
 
   def self.install
-    system "python setup.py install --prefix=/usr/local"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp /usr/local/bin/dtrx #{CREW_DEST_DIR}/usr/local/bin"
+    system "python setup.py install --prefix=#{CREW_PREFIX}"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp #{CREW_PREFIX}/bin/dtrx #{CREW_DEST_PREFIX}/bin"
   end
 end
diff --git a/packages/fetch.rb b/packages/fetch.rb
index fefb9c114..0e8fe707e 100644
--- a/packages/fetch.rb
+++ b/packages/fetch.rb
@@ -29,7 +29,7 @@ class Fetch < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "go build -ldflags \"-X main.VERSION=v0.1.1\" -o #{CREW_DEST_DIR}/usr/local/bin/fetch"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "go build -ldflags \"-X main.VERSION=v0.1.1\" -o #{CREW_DEST_PREFIX}/bin/fetch"
   end
 end
diff --git a/packages/figlet.rb b/packages/figlet.rb
index cb6dac047..1ffb30bd0 100644
--- a/packages/figlet.rb
+++ b/packages/figlet.rb
@@ -21,7 +21,7 @@ class Figlet < Package
   })
 
   def self.build
-    system "make", "PREFIX=/usr/local"
+    system "make", "PREFIX=#{CREW_PREFIX}"
   end
 
   def self.install
diff --git a/packages/finch.rb b/packages/finch.rb
index 72f8ec75e..54444819f 100644
--- a/packages/finch.rb
+++ b/packages/finch.rb
@@ -27,7 +27,7 @@ class Finch < Package
   depends_on 'gnutls'
 
   def self.build
-    system "sed -i 's,/usr/include,/usr/local/include,g' configure"
+    system "sed -i 's,/usr/include,#{CREW_PREFIX}/include,g' configure"
     system './configure',
       '--disable-avahi',
       '--disable-dbus',
diff --git a/packages/fly.rb b/packages/fly.rb
index 51f78fa8a..6187086bc 100644
--- a/packages/fly.rb
+++ b/packages/fly.rb
@@ -27,7 +27,7 @@ class Fly < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp fly #{CREW_DEST_DIR}/usr/local/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp fly #{CREW_DEST_PREFIX}/bin"
   end
 end
diff --git a/packages/foremost.rb b/packages/foremost.rb
index 0afdbe443..cdb5de56b 100644
--- a/packages/foremost.rb
+++ b/packages/foremost.rb
@@ -25,11 +25,11 @@ class Foremost < Package
   end
 
   def self.install
-    FileUtils.mkdir_p ["#{CREW_DEST_DIR}/usr/local/bin", \
-                       "#{CREW_DEST_DIR}/usr/local/man/man1", \
-                       "#{CREW_DEST_DIR}/usr/local/etc"]
-    FileUtils.cp_r 'foremost', "#{CREW_DEST_DIR}/usr/local/bin/"
-    FileUtils.cp_r 'foremost.8.gz', "#{CREW_DEST_DIR}/usr/local/man/man1/foremost.1.gz"
-    FileUtils.cp_r 'foremost.conf', "#{CREW_DEST_DIR}/usr/local/etc/"
+    FileUtils.mkdir_p ["#{CREW_DEST_PREFIX}/bin", \
+                       "#{CREW_DEST_PREFIX}/man/man1", \
+                       "#{CREW_DEST_PREFIX}/etc"]
+    FileUtils.cp_r 'foremost', "#{CREW_DEST_PREFIX}/bin/"
+    FileUtils.cp_r 'foremost.8.gz', "#{CREW_DEST_PREFIX}/man/man1/foremost.1.gz"
+    FileUtils.cp_r 'foremost.conf', "#{CREW_DEST_PREFIX}/etc/"
   end
 end
diff --git a/packages/fslint.rb b/packages/fslint.rb
index 955dca8d1..0e4432471 100644
--- a/packages/fslint.rb
+++ b/packages/fslint.rb
@@ -41,10 +41,10 @@ class Fslint < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/man/man1"
-    system "cp -r fslint/* #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp fslint/fstool/lS #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp man/* #{CREW_DEST_DIR}/usr/local/man/man1"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/man/man1"
+    system "cp -r fslint/* #{CREW_DEST_PREFIX}/bin"
+    system "cp fslint/fstool/lS #{CREW_DEST_PREFIX}/bin"
+    system "cp man/* #{CREW_DEST_PREFIX}/man/man1"
   end
 end
diff --git a/packages/gcc7.rb b/packages/gcc7.rb
index 57c765166..f3f55cc96 100644
--- a/packages/gcc7.rb
+++ b/packages/gcc7.rb
@@ -37,8 +37,8 @@ class Gcc7 < Package
 
   def self.build
     # previous compile issue
-    # /usr/local/bin/ld: cannot find crti.o: No such file or directory
-    # /usr/local/bin/ld: cannot find /usr/lib64/libc_nonshared.a
+    # #{CREW_PREFIX}/bin/ld: cannot find crti.o: No such file or directory
+    # #{CREW_PREFIX}/bin/ld: cannot find /usr/lib64/libc_nonshared.a
     ENV["LIBRARY_PATH"] = "#{CREW_LIB_PREFIX}"   # fix x86_64 issues
     system "mkdir -p objdir"
     Dir.chdir("objdir") do
@@ -127,7 +127,7 @@ class Gcc7 < Package
 
       # http://www.linuxfromscratch.org/lfs/view/development/chapter06/gcc.html#contents-gcc
       # move a misplaced file
-      # The installation stage puts some files used by gdb under the /usr/local/lib(64) directory. This generates spurious error messages when performing ldconfig. This command moves the files to another location.
+      # The installation stage puts some files used by gdb under the #{CREW_LIB_PREFIX} directory. This generates spurious error messages when performing ldconfig. This command moves the files to another location.
       system "mkdir -pv #{CREW_DEST_PREFIX}/share/gdb/auto-load/usr/lib"
       system "mv -v #{CREW_DEST_LIB_PREFIX}/*gdb.py #{CREW_DEST_PREFIX}/share/gdb/auto-load/usr/lib"
 
diff --git a/packages/gdrive.rb b/packages/gdrive.rb
index 41259623b..31e2e598b 100644
--- a/packages/gdrive.rb
+++ b/packages/gdrive.rb
@@ -22,25 +22,25 @@ class Gdrive < Package
   })
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
     case ARCH
     when 'aarch64'
-      system "wget -L -O #{CREW_DEST_DIR}/usr/local/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnRjBaMVVLalN4cTA&export=download"
+      system "wget -L -O #{CREW_DEST_PREFIX}/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnRjBaMVVLalN4cTA&export=download"
       system "sleep 10"
-      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_DIR}/usr/local/bin/gdrive") ) == '25eb74f892785bfd7c93ec22e63dfce04fd68298d8449ea1473bdbf90e3aaf35'
+      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_PREFIX}/bin/gdrive") ) == '25eb74f892785bfd7c93ec22e63dfce04fd68298d8449ea1473bdbf90e3aaf35'
     when 'armv7l'
-      system "wget -L -O #{CREW_DEST_DIR}/usr/local/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnRjBaMVVLalN4cTA&export=download"
+      system "wget -L -O #{CREW_DEST_PREFIX}/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnRjBaMVVLalN4cTA&export=download"
       system "sleep 10"
-      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_DIR}/usr/local/bin/gdrive") ) == '25eb74f892785bfd7c93ec22e63dfce04fd68298d8449ea1473bdbf90e3aaf35'
+      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_PREFIX}/bin/gdrive") ) == '25eb74f892785bfd7c93ec22e63dfce04fd68298d8449ea1473bdbf90e3aaf35'
     when 'i686'
-      system "wget -L -O #{CREW_DEST_DIR}/usr/local/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnLV92dHBpTkFhTEU&export=download"
+      system "wget -L -O #{CREW_DEST_PREFIX}/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnLV92dHBpTkFhTEU&export=download"
       system "sleep 10"
-      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_DIR}/usr/local/bin/gdrive") ) == '768103053ebe56d5b6e17396ac208db85a3b1968d19e9cac9172fe56b6b8cad2'
+      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_PREFIX}/bin/gdrive") ) == '768103053ebe56d5b6e17396ac208db85a3b1968d19e9cac9172fe56b6b8cad2'
     when 'x86_64'
-      system "wget -L -O #{CREW_DEST_DIR}/usr/local/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnQ0FtZmJJUXEyRTA&export=download"
+      system "wget -L -O #{CREW_DEST_PREFIX}/bin/gdrive https://docs.google.com/uc?id=0B3X9GlR6EmbnQ0FtZmJJUXEyRTA&export=download"
       system "sleep 10"
-      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_DIR}/usr/local/bin/gdrive") ) == 'f31b441c5cdb835ee69849a62856e35c17954fd5b600f6de8a6f5d7bd7bf0420'
+      abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read("#{CREW_DEST_PREFIX}/bin/gdrive") ) == 'f31b441c5cdb835ee69849a62856e35c17954fd5b600f6de8a6f5d7bd7bf0420'
     end
-    system "chmod +x #{CREW_DEST_DIR}/usr/local/bin/gdrive"
+    system "chmod +x #{CREW_DEST_PREFIX}/bin/gdrive"
   end
 end
diff --git a/packages/get_iplayer.rb b/packages/get_iplayer.rb
index 877aeb51e..a2692b34c 100644
--- a/packages/get_iplayer.rb
+++ b/packages/get_iplayer.rb
@@ -55,7 +55,7 @@ class Get_iplayer < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp get_iplayer #{CREW_DEST_DIR}/usr/local/bin/"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp get_iplayer #{CREW_DEST_PREFIX}/bin/"
   end
 end
diff --git a/packages/gifgen.rb b/packages/gifgen.rb
index 80580fc00..bc1065a7c 100644
--- a/packages/gifgen.rb
+++ b/packages/gifgen.rb
@@ -25,9 +25,9 @@ class Gifgen < Package
 
   def self.install
     system "help2man -N ./gifgen > gifgen.1"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/man/man1"
-    system "cp gifgen #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp gifgen.1 #{CREW_DEST_DIR}/usr/local/man/man1"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/man/man1"
+    system "cp gifgen #{CREW_DEST_PREFIX}/bin"
+    system "cp gifgen.1 #{CREW_DEST_PREFIX}/man/man1"
   end
 end
diff --git a/packages/github_release.rb b/packages/github_release.rb
index 19b805ab8..83ae0f4b0 100644
--- a/packages/github_release.rb
+++ b/packages/github_release.rb
@@ -27,7 +27,7 @@ class Github_release < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp github-release #{CREW_DEST_DIR}/usr/local/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp github-release #{CREW_DEST_PREFIX}/bin"
   end
 end
diff --git a/packages/glibc.rb b/packages/glibc.rb
index d818642ee..9844d5a56 100644
--- a/packages/glibc.rb
+++ b/packages/glibc.rb
@@ -121,7 +121,7 @@ class Glibc < Package
       end
     end
 
-    # minimum set of locales -> /usr/local/lib(64)/locale/locale-archive
+    # minimum set of locales -> #{CREW_LIB_PREFIX}/locale/locale-archive
     Dir.chdir "glibc_build/localedata" do
       system "mkdir -pv #{CREW_DEST_LIB_PREFIX}/locale"
       puts "Install minimum set of locales".lightblue
diff --git a/packages/go.rb b/packages/go.rb
index 81cb40d82..c46c352a3 100644
--- a/packages/go.rb
+++ b/packages/go.rb
@@ -31,7 +31,7 @@ class Go < Package
     FileUtils.cd('src') do
       # install with go_bootstrap if go is not in the path
       unless File.exist? "#{CREW_PREFIX}/share/go/bin/go"
-        system "GOROOT_BOOTSTRAP=#{CREW_PREFIX}/lib/go_bootstrap/go \
+        system "GOROOT_BOOTSTRAP=#{CREW_PREFIX}/share/go_bootstrap/go \
                 TMPDIR=#{CREW_PREFIX}/tmp \
                 GOROOT_FINAL=#{CREW_PREFIX}/share/go \
                 ./make.bash"
@@ -49,7 +49,7 @@ class Go < Package
     system "mkdir", "-p", dest
     FileUtils.cp_r Dir.pwd, dest
 
-    # make a symbolic link for /usr/local/bin/{go,gofmt}
+    # make a symbolic link for #{CREW_PREFIX}/bin/{go,gofmt}
     system "mkdir", "-p", "#{CREW_DEST_PREFIX}/bin"
     system "ln", "-s", "#{CREW_PREFIX}/share/go/bin/go", "#{CREW_DEST_PREFIX}/bin"
     system "ln", "-s", "#{CREW_PREFIX}/share/go/bin/gofmt", "#{CREW_DEST_PREFIX}/bin"
diff --git a/packages/go_bootstrap.rb b/packages/go_bootstrap.rb
index 81fd0493c..0460452f2 100644
--- a/packages/go_bootstrap.rb
+++ b/packages/go_bootstrap.rb
@@ -3,35 +3,27 @@ require 'package'
 class Go_bootstrap < Package
   description 'Bootstrap tool chain for the Go programming language.'
   homepage 'https://golang.org/'
-  version '1.4'
+  version '1.4-0'
   source_url 'https://storage.googleapis.com/golang/go1.4-bootstrap-20161024.tar.gz'
   source_sha256 '398c70d9d10541ba9352974cc585c43220b6d8dbcd804ba2c9bd2fbf35fab286'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/go_bootstrap-1.4-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/go_bootstrap-1.4-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/go_bootstrap-1.4-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/go_bootstrap-1.4-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '8156807070467d81cbcc55cd89c499c22e845aae77b5e114fffe595d86819fda',
-     armv7l: '8156807070467d81cbcc55cd89c499c22e845aae77b5e114fffe595d86819fda',
-       i686: '8f3df69651d3100a7e86161e8c36d9d6a04484247ad3912922044cb3a6f1f0f1',
-     x86_64: '16ca50af6bf7b909cab2db4dc2527af782610f081b8717a9f343e81365007a16',
   })
 
   def self.build
     FileUtils.cd('src') do
-      system "TMPDIR=/usr/local/tmp ./make.bash"
+      system "TMPDIR=#{CREW_PREFIX}/tmp ./make.bash"
     end
   end
 
   def self.install
-    dest = "#{CREW_DEST_DIR}/usr/local/lib/go_bootstrap"
+    dest = "#{CREW_DEST_PREFIX}/share/go_bootstrap"
     system "mkdir", "-p", dest
     FileUtils.mv Dir.pwd, dest
 
     puts "--------"
-    puts "Installed Go_bootstrap for #{ARCH} in /usr/local/lib/go_bootstrap"
+    puts "Installed Go_bootstrap for #{ARCH} in #{CREW_PREFIX}/share/go_bootstrap"
   end
 end
diff --git a/packages/gox.rb b/packages/gox.rb
index 91e1bdc8b..0ce447ec3 100644
--- a/packages/gox.rb
+++ b/packages/gox.rb
@@ -24,7 +24,7 @@ class Gox < Package
 
   def self.install
     system "go get github.com/mitchellh/iochan"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "go build -o #{CREW_DEST_DIR}/usr/local/bin/gox"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "go build -o #{CREW_DEST_PREFIX}/bin/gox"
   end
 end
diff --git a/packages/gsettings_desktop_schemas.rb b/packages/gsettings_desktop_schemas.rb
index 0a418d060..fbfdf6e41 100644
--- a/packages/gsettings_desktop_schemas.rb
+++ b/packages/gsettings_desktop_schemas.rb
@@ -36,7 +36,7 @@ class Gsettings_desktop_schemas < Package
   def self.install
     system "make", "DESTDIR=#{CREW_DEST_DIR}", "install" # the steps required to install the package
     
-    # The package is installed using a “DESTDIR” method, /usr/local/share/glib-2.0/schemas/gschemas.compiled was not updated/created.
+    # The package is installed using a “DESTDIR” method, #{CREW_PREFIX}/share/glib-2.0/schemas/gschemas.compiled was not updated/created.
     # Generate gschemas.compiled
     system "glib-compile-schemas #{CREW_DEST_PREFIX}/share/glib-2.0/schemas"
   end
diff --git a/packages/gtypist.rb b/packages/gtypist.rb
index 8c61b07fb..09dda604f 100644
--- a/packages/gtypist.rb
+++ b/packages/gtypist.rb
@@ -26,12 +26,12 @@ class Gtypist < Package
 
   def self.build
     system "autoreconf"
-    system "./configure", "--prefix=/usr/local"
+    system "./configure", "--prefix=#{CREW_PREFIX}"
     system "make"
   end
 
   def self.install
-    system "make", "prefix=#{CREW_DEST_DIR}/usr/local", "install"
-    system "rm", "-f", "#{CREW_DEST_DIR}/usr/local/share/info/dir"
+    system "make", "prefix=#{CREW_DEST_PREFIX}", "install"
+    system "rm", "-f", "#{CREW_DEST_PREFIX}/share/info/dir"
   end
 end
diff --git a/packages/gzsize.rb b/packages/gzsize.rb
index 085aaa2cb..a224cf6f3 100644
--- a/packages/gzsize.rb
+++ b/packages/gzsize.rb
@@ -25,9 +25,9 @@ class Gzsize < Package
   end
 
   def self.install
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/bin"
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/man/man1"
-    FileUtils.cp "gzsize", "#{CREW_DEST_DIR}/usr/local/bin/gzsize"
-    FileUtils.cp "man/gzsize.1", "#{CREW_DEST_DIR}/usr/local/man/man1/gzsize.1"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/bin"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/man/man1"
+    FileUtils.cp "gzsize", "#{CREW_DEST_PREFIX}/bin/gzsize"
+    FileUtils.cp "man/gzsize.1", "#{CREW_DEST_PREFIX}/man/man1/gzsize.1"
   end
 end
diff --git a/packages/hdparm.rb b/packages/hdparm.rb
index 58508652d..3e884c753 100644
--- a/packages/hdparm.rb
+++ b/packages/hdparm.rb
@@ -21,8 +21,8 @@ class Hdparm < Package
   })
 
   def self.build
-    system "sed -i 's,binprefix = ,binprefix = /usr/local,' Makefile"
-    system "sed -i 's,manprefix = /usr,manprefix = /usr/local,' Makefile"
+    system "sed -i 's,binprefix = ,binprefix = #{CREW_PREFIX},' Makefile"
+    system "sed -i 's,manprefix = /usr,manprefix = #{CREW_PREFIX},' Makefile"
     system "make"
   end
 
diff --git a/packages/healthcheck.rb b/packages/healthcheck.rb
index 75d6d1dd8..12dce7599 100644
--- a/packages/healthcheck.rb
+++ b/packages/healthcheck.rb
@@ -27,8 +27,8 @@ class Healthcheck < Package
   def self.install
     system "chmod +x health-check.sh"
     system "sed -i 's,usr/bin,usr/local/bin,' health-check.sh"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp health-check.sh #{CREW_DEST_DIR}/usr/local/bin/healthcheck"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp health-check.sh #{CREW_DEST_PREFIX}/bin/healthcheck"
     puts ""
     puts "To execute, enter the following:".lightblue
     puts "sudo healthcheck".lightblue
diff --git a/packages/hexedit.rb b/packages/hexedit.rb
index 554345bac..8ee35a5be 100644
--- a/packages/hexedit.rb
+++ b/packages/hexedit.rb
@@ -23,11 +23,11 @@ class Hexedit < Package
   depends_on 'ncurses'
 
   def self.build
-    system "./configure", "--prefix=/usr/local"
-    system "make", "CFLAGS=-I/usr/local/include/ncurses"
+    system "./configure", "--prefix=#{CREW_PREFIX}"
+    system "make", "CFLAGS=-I#{CREW_PREFIX}/include/ncurses"
   end
 
   def self.install
-    system "make", "prefix=#{CREW_DEST_DIR}/usr/local", "install"
+    system "make", "prefix=#{CREW_DEST_PREFIX}", "install"
   end
 end
diff --git a/packages/iftop.rb b/packages/iftop.rb
index b3a3b53ec..79dc56a60 100644
--- a/packages/iftop.rb
+++ b/packages/iftop.rb
@@ -24,7 +24,7 @@ class Iftop < Package
   depends_on 'ncurses'
 
   def self.build
-    system './configure --prefix=/usr/local CPPFLAGS="-I/usr/local/include/ncurses"'
+    system "./configure --prefix=#{CREW_PREFIX} CPPFLAGS='-I#{CREW_PREFIX}/include/ncurses'"
     system 'make'
   end
 
diff --git a/packages/inetutils.rb b/packages/inetutils.rb
index 78bd4daab..745ad9171 100644
--- a/packages/inetutils.rb
+++ b/packages/inetutils.rb
@@ -24,7 +24,7 @@ class Inetutils < Package
   depends_on 'ncurses'
 
   def self.build
-    system "./configure --prefix=/usr/local \
+    system "./configure --prefix=#{CREW_PREFIX} \
             --localstatedir=/usr/var \
             --disable-logger     \
             --disable-traceroute \
diff --git a/packages/jq.rb b/packages/jq.rb
index f83a833bf..7d724b544 100644
--- a/packages/jq.rb
+++ b/packages/jq.rb
@@ -22,7 +22,7 @@ class Jq < Package
 
   def self.build
     system "./configure",
-      "--prefix=/usr/local",
+      "--prefix=#{CREW_PREFIX}",
       "--disable-maintainer-mode", # disable make rules and dependencies not useful
       "--disable-docs"             # there's no support for manpages
     system "make"
diff --git a/packages/kubectl.rb b/packages/kubectl.rb
index ac45aeb23..d6dfef354 100644
--- a/packages/kubectl.rb
+++ b/packages/kubectl.rb
@@ -31,6 +31,6 @@ class Kubectl < Package
   end
 
   def self.install
-    system "install", "-D", "-m", "755", "_output/bin/kubectl", "#{CREW_DEST_DIR}/usr/local/bin/kubectl"
+    system "install", "-D", "-m", "755", "_output/bin/kubectl", "#{CREW_DEST_PREFIX}/bin/kubectl"
   end
 end
diff --git a/packages/libcap.rb b/packages/libcap.rb
index 142cf76f9..0c7b59073 100644
--- a/packages/libcap.rb
+++ b/packages/libcap.rb
@@ -28,11 +28,11 @@ class Libcap < Package
     system 'sed -e "/gperf --/s/gperf --/gperf --includes --/" -e "/gperf --/s/cap_lookup_name(/cap_dummy(/" -i libcap/Makefile'
 
     # change the path to ld
-    system 'sed -i "s,/usr/bin/ld,/usr/local/bin/ld,g" Make.Rules'
+    system "sed -i 's,/usr/bin/ld,#{CREW_PREFIX}/bin/ld,g' Make.Rules"
     # change prefix
-    system 'sed -i "s,prefix=/usr,prefix=/usr/local," Make.Rules'
+    system "sed -i 's,prefix=/usr,prefix=#{CREW_PREFIX},' Make.Rules"
     # set exec_prefix
-    system 'sed -i "s,^exec_prefix=,exec_prefix=\$(prefix)," Make.Rules'
+    system "sed -i 's,^exec_prefix=,exec_prefix=\$(prefix),' Make.Rules"
     # http://git.yoctoproject.org/cgit.cgi/poky/plain/meta/recipes-support/libcap/files/0001-ensure-the-XATTR_NAME_CAPS-is-defined-when-it-is-use.patch
     system 'sed -i "s,^\#ifdef VFS_CAP_U32,\#if defined (VFS_CAP_U32) \&\& defined (XATTR_NAME_CAPS),g" libcap/cap_file.c'
     system 'make'
diff --git a/packages/libtirpc.rb b/packages/libtirpc.rb
index d1c5e585e..1f298fb8f 100644
--- a/packages/libtirpc.rb
+++ b/packages/libtirpc.rb
@@ -29,8 +29,8 @@ class Libtirpc < Package
 
   def self.install
     system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
-    system "mkdir #{CREW_DEST_DIR}/usr/local/include/rpc"
-    system "mv #{CREW_DEST_DIR}/usr/local/include/tirpc/rpc/* #{CREW_DEST_DIR}/usr/local/include/rpc/"
-    system "curl -Lo #{CREW_DEST_DIR}/usr/local/include/netconfig.h https://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/include/netconfig.h"
+    system "mkdir #{CREW_DEST_PREFIX}/include/rpc"
+    system "mv #{CREW_DEST_PREFIX}/include/tirpc/rpc/* #{CREW_DEST_PREFIX}/include/rpc/"
+    system "curl -Lo #{CREW_DEST_PREFIX}/include/netconfig.h https://ftp.netbsd.org/pub/NetBSD/NetBSD-current/src/include/netconfig.h"
   end
 end
diff --git a/packages/links.rb b/packages/links.rb
index 542ecfe3e..b3d133267 100644
--- a/packages/links.rb
+++ b/packages/links.rb
@@ -23,7 +23,7 @@ class Links < Package
   depends_on 'openssl'
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/lsb_release.rb b/packages/lsb_release.rb
index eb6259d0f..a0c6cdf29 100644
--- a/packages/lsb_release.rb
+++ b/packages/lsb_release.rb
@@ -19,7 +19,7 @@ class Lsb_release < Package
     system 'STR=$(grep ^CHROMEOS_RELEASE_NAME= /tmp/lsb-release | cut -d= -f2) && sed -i "s,$STR,\'&\'," /tmp/lsb-release'
     system 'STR=$(grep ^CHROMEOS_RELEASE_BUILD_TYPE= /tmp/lsb-release | cut -d= -f2) && sed -i "s,$STR$,\'&\'," /tmp/lsb-release'
     system 'STR=$(grep ^CHROMEOS_RELEASE_DESCRIPTION= /tmp/lsb-release | cut -d= -f2) && sed -i "s,$STR,\'&\'," /tmp/lsb-release'
-    system "sed -i 's,INFO_ROOT=\"/etc\",INFO_ROOT=\"/usr/local/etc\",' lsb_release"
+    system "sed -i 's,INFO_ROOT=\"/etc\",INFO_ROOT=\"#{CREW_PREFIX}/etc\",' lsb_release"
     system "sed -i 's,LSB_VERSION=\$MSG_NA,LSB_VERSION=1.4,' lsb_release"
     system "sed -i 's,DISTRIB_ID,CHROMEOS_RELEASE_NAME,g' lsb_release"
     system "sed -i 's,DISTRIB_DESCRIPTION,CHROMEOS_RELEASE_DESCRIPTION,g' lsb_release"
diff --git a/packages/lshw.rb b/packages/lshw.rb
index a871cce96..8a52268dc 100644
--- a/packages/lshw.rb
+++ b/packages/lshw.rb
@@ -21,10 +21,10 @@ class Lshw < Package
   })
 
   def self.build
-    system "cd lshw-*/src; PREFIX=/usr/local make"
+    system "cd lshw-*/src; PREFIX=#{CREW_PREFIX} make"
   end
 
   def self.install
-    system "cd lshw-*/src; PREFIX=/usr/local make DESTDIR=#{CREW_DEST_DIR} install"
+    system "cd lshw-*/src; PREFIX=#{CREW_PREFIX} make DESTDIR=#{CREW_DEST_DIR} install"
   end
 end
diff --git a/packages/mapserver.rb b/packages/mapserver.rb
index f960c1cbb..22dfaa145 100644
--- a/packages/mapserver.rb
+++ b/packages/mapserver.rb
@@ -50,7 +50,7 @@ class Mapserver < Package
               -DWITH_THREAD_SAFETY=1 \
               -DWITH_WCS=1 \
               -DCMAKE_C_FLAGS=\" -fPIC\" \
-              -DCMAKE_INSTALL_PREFIX=/usr/local .. > ../configure.out.txt"
+              -DCMAKE_INSTALL_PREFIX=#{CREW_PREFIX} .. > ../configure.out.txt"
       system "make"
     end
   end
diff --git a/packages/masscan.rb b/packages/masscan.rb
index b2ce705f8..4fa4f0b43 100644
--- a/packages/masscan.rb
+++ b/packages/masscan.rb
@@ -28,7 +28,7 @@ Internet in under 5 minutes.'
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp bin/masscan #{CREW_DEST_DIR}/usr/local/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp bin/masscan #{CREW_DEST_PREFIX}/bin"
   end
 end
diff --git a/packages/mercurial.rb b/packages/mercurial.rb
index efde3afa8..113786ef5 100644
--- a/packages/mercurial.rb
+++ b/packages/mercurial.rb
@@ -31,7 +31,7 @@ class Mercurial < Package
       puts "Installing docutils dependency..."
       system "pip", "install", "docutils"
     end
-    system "make", "PREFIX=/usr/local", "all"
+    system "make", "PREFIX=#{CREW_PREFIX}", "all"
   end
 
   def self.install
diff --git a/packages/mlocate.rb b/packages/mlocate.rb
index 84cf6799f..78e7e9fff 100644
--- a/packages/mlocate.rb
+++ b/packages/mlocate.rb
@@ -21,8 +21,8 @@ class Mlocate < Package
   })
 
   def self.build
-    system "mkdir -p /usr/local/db/mlocate"
-    system "sed -i 's,\$(localstatedir)/,/usr/local/db/,g' Makefile.*"
+    system "mkdir -p #{CREW_PREFIX}/db/mlocate"
+    system "sed -i 's,\$(localstatedir)/,#{CREW_PREFIX}/db/,g' Makefile.*"
     system "sed -i \"s/groupname = mlocate/groupname = #{USER}/g\" Makefile.*"
     system "./configure"
     system "make"
diff --git a/packages/moreutils.rb b/packages/moreutils.rb
index 215fe61ad..957638016 100644
--- a/packages/moreutils.rb
+++ b/packages/moreutils.rb
@@ -24,8 +24,8 @@ class Moreutils < Package
   depends_on 'libxslt'
 
   def self.build
-    system "sed -i 's,PREFIX?=/usr,PREFIX?=/usr/local,' Makefile"
-    system "sed -i 's,DOCBOOKXSL?=/usr/share/xml/docbook/stylesheet/docbook-xsl,DOCBOOKXSL?=/usr/local/docbook,' Makefile"
+    system "sed -i 's,PREFIX?=/usr,PREFIX?=#{CREW_PREFIX},' Makefile"
+    system "sed -i 's,DOCBOOKXSL?=/usr/share/xml/docbook/stylesheet/docbook-xsl,DOCBOOKXSL?=#{CREW_PREFIX}/docbook,' Makefile"
     system "sed -i 's,share/man,man,g' Makefile"
     system 'make'
   end
diff --git a/packages/mosh.rb b/packages/mosh.rb
index ad5abb12e..f5cff4ea7 100644
--- a/packages/mosh.rb
+++ b/packages/mosh.rb
@@ -23,7 +23,7 @@ class Mosh < Package
   depends_on 'protobuf'
 
   def self.build
-    system './configure --prefix=/usr/local'
+    system "./configure --prefix=#{CREW_PREFIX}"
     system 'make'
   end
 
diff --git a/packages/mywanip.rb b/packages/mywanip.rb
index 70f059893..4295029a5 100644
--- a/packages/mywanip.rb
+++ b/packages/mywanip.rb
@@ -22,8 +22,8 @@ class Mywanip < Package
 
   def self.install
     system "chmod +x mywanip"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp mywanip #{CREW_DEST_DIR}/usr/local/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp mywanip #{CREW_DEST_PREFIX}/bin"
   end
 end
 
diff --git a/packages/nanomsg.rb b/packages/nanomsg.rb
index 428331d0a..0b17ee202 100644
--- a/packages/nanomsg.rb
+++ b/packages/nanomsg.rb
@@ -23,7 +23,7 @@ class Nanomsg < Package
   depends_on 'cmake'
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/ncdu.rb b/packages/ncdu.rb
index 0c564d8fc..2b161fc26 100644
--- a/packages/ncdu.rb
+++ b/packages/ncdu.rb
@@ -23,7 +23,7 @@ class Ncdu < Package
   depends_on 'ncurses'
 
   def self.build
-    system "./configure --prefix=/usr/local CPPFLAGS=-I/usr/local/include/ncurses"
+    system "./configure --prefix=#{CREW_PREFIX} CPPFLAGS=-I#{CREW_PREFIX}/include/ncurses"
     system "make"
   end
 
diff --git a/packages/ncrack.rb b/packages/ncrack.rb
index 4e9b6a538..eed411681 100644
--- a/packages/ncrack.rb
+++ b/packages/ncrack.rb
@@ -23,7 +23,7 @@ class Ncrack < Package
   depends_on 'buildessential'
 
   def self.build
-    system './configure --prefix=/usr/local'
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/netcat.rb b/packages/netcat.rb
index b34878d9c..95dfe09ca 100644
--- a/packages/netcat.rb
+++ b/packages/netcat.rb
@@ -21,7 +21,7 @@ class Netcat < Package
   })
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/nethack4.rb b/packages/nethack4.rb
index 64f0a5d49..3dbab68ec 100644
--- a/packages/nethack4.rb
+++ b/packages/nethack4.rb
@@ -31,9 +31,9 @@ class Nethack4 < Package
     target="build"
     system "mkdir -p " + target
     Dir.chdir target  do
-      #build with rpath pointing at /usr/local
-      system "/usr/local/bin/perl ../aimake --config-only -i /usr/local/ --directory-layout=prefix --without=gui"
-      system "/usr/local/bin/perl ../aimake"
+      #build with rpath pointing at #{CREW_PREFIX}
+      system "#{CREW_PREFIX}/bin/perl ../aimake --config-only -i #{CREW_PREFIX}/ --directory-layout=prefix --without=gui"
+      system "#{CREW_PREFIX}/bin/perl ../aimake"
     end
   end
 
@@ -41,7 +41,7 @@ class Nethack4 < Package
     target="build"
     Dir.chdir target  do
       #install in destdir so package manager can keep track
-      system "/usr/local/bin/perl ../aimake --install-only -i #{CREW_DEST_DIR}/usr/local/ --directory-layout=prefix --without=gui"
+      system "#{CREW_PREFIX}/bin/perl ../aimake --install-only -i #{CREW_DEST_PREFIX}/ --directory-layout=prefix --without=gui"
     end
   end
 end
diff --git a/packages/newlisp.rb b/packages/newlisp.rb
index ae3b5020f..f1ba3bfa1 100644
--- a/packages/newlisp.rb
+++ b/packages/newlisp.rb
@@ -32,8 +32,8 @@ class Newlisp < Package
     #  one shipped with bash.
     #
     # Ideally I'll figure out how to get it building properly as follows:
-    # system "./configure --prefix=/usr/local --enable-readline --enable-ffi"
-    system "./configure-alt --prefix=/usr/local"
+    # system "./configure --prefix=#{CREW_PREFIX} --enable-readline --enable-ffi"
+    system "./configure-alt --prefix=#{CREW_PREFIX}"
     system "make"
     system "make", "check"
   end
diff --git a/packages/ninja.rb b/packages/ninja.rb
index 12234cfa1..a34c1d313 100644
--- a/packages/ninja.rb
+++ b/packages/ninja.rb
@@ -28,7 +28,7 @@ class Ninja < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp ninja #{CREW_DEST_DIR}/usr/local/bin/"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "cp ninja #{CREW_DEST_PREFIX}/bin/"
   end
 end
diff --git a/packages/nmap.rb b/packages/nmap.rb
index 5ae72802e..3e989ccf8 100644
--- a/packages/nmap.rb
+++ b/packages/nmap.rb
@@ -24,7 +24,7 @@ class Nmap < Package
   depends_on 'filecmd' => :build
 
   def self.build
-    #fixup "/usr/bin/file" -> "/usr/local/bin/file" in the configure scripts
+    #fixup "/usr/bin/file" -> "#{CREW_PREFIX}/bin/file" in the configure scripts
     system "sed -i s#/usr/bin/file##{CREW_DEST_PREFIX}/bin/file#g libdnet-stripped/configure" 
     system "./configure --with-pcap=linux --without-zenmap --prefix=#{CREW_PREFIX}"
     system "make"
diff --git a/packages/openldap.rb b/packages/openldap.rb
index ba4e09e65..0bb8c5d3e 100644
--- a/packages/openldap.rb
+++ b/packages/openldap.rb
@@ -21,7 +21,7 @@ class Openldap < Package
   })
 
   def self.build
-    system "./configure --disable-slapd --prefix=/usr/local"
+    system "./configure --disable-slapd --prefix=#{CREW_PREFIX}"
     system "make"
     system "make depend"
   end
diff --git a/packages/openssl.rb b/packages/openssl.rb
index fa3c2eec7..4646a8c26 100644
--- a/packages/openssl.rb
+++ b/packages/openssl.rb
@@ -56,7 +56,7 @@ class Openssl < Package
     system "make", "INSTALL_PREFIX=#{CREW_DEST_DIR}", "install"
     system "find #{CREW_DEST_PREFIX} -name 'lib*.a' -print | xargs rm"
 
-    # move man to /usr/local/man
+    # move man to #{CREW_PREFIX}/man
     system "mv", "#{CREW_DEST_DIR}/etc/ssl/man", "#{CREW_DEST_PREFIX}/man"
 
     # remove all files under /etc/ssl (use system's /etc/ssl as is)
diff --git a/packages/optipng.rb b/packages/optipng.rb
index 9c5bffe75..27bdfb242 100644
--- a/packages/optipng.rb
+++ b/packages/optipng.rb
@@ -24,7 +24,7 @@ class Optipng < Package
   depends_on 'zlibpkg'
 
   def self.build
-    system "./configure --prefix=/usr/local --with-system-libpng" # Bundled libpng doesn't work on armv7l
+    system "./configure --prefix=#{CREW_PREFIX} --with-system-libpng" # Bundled libpng doesn't work on armv7l
     system "make"
   end
 
diff --git a/packages/pagemon.rb b/packages/pagemon.rb
index 58819ad46..9310629a2 100644
--- a/packages/pagemon.rb
+++ b/packages/pagemon.rb
@@ -23,7 +23,7 @@ class Pagemon < Package
   depends_on 'ncurses'
 
   def self.build
-    system "sed -i 's,/usr,/usr/local,g' Makefile"
+    system "sed -i 's,/usr,#{CREW_PREFIX},g' Makefile"
     system "sed -i '/^CFLAGS += -Wall/s/$/ -I\\/usr\\/local\\/include\\/ncurses/' Makefile"
     system "make"
   end
diff --git a/packages/patchelf.rb b/packages/patchelf.rb
index 27bbe4e2c..a5a50ee05 100644
--- a/packages/patchelf.rb
+++ b/packages/patchelf.rb
@@ -21,7 +21,7 @@ class Patchelf < Package
   })
 
   def self.build
-    system "./configure", "prefix=/usr/local"
+    system "./configure", "prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/patchutils.rb b/packages/patchutils.rb
index adc839fa5..1432d8f03 100644
--- a/packages/patchutils.rb
+++ b/packages/patchutils.rb
@@ -21,8 +21,8 @@ class Patchutils < Package
   })
 
   def self.build
-    system './configure --prefix=/usr/local'
-    system "make"
+    system "./configure --prefix=#{CREW_PREFIX}"
+    system 'make'
   end
 
   def self.install
diff --git a/packages/perl.rb b/packages/perl.rb
index 6335830f4..a1d5f8ef5 100644
--- a/packages/perl.rb
+++ b/packages/perl.rb
@@ -25,7 +25,7 @@ class Perl < Package
   def self.build
     # Use system zlib and bzip2
     # Create shared library
-    # Install manual files into /usr/local/share/man/man* even if groff is not installed.
+    # Install manual files into #{CREW_PREFIX}/share/man/man* even if groff is not installed.
     system "BUILD_ZLIB=False BUILD_BZIP2=0 ./Configure -de -Duseshrplib -Dman1dir=#{CREW_PREFIX}/share/man/man1 -Dman3dir=#{CREW_PREFIX}/share/man/man3"
     system "make"
     system "curl -o cpanm https://cpanmin.us"
diff --git a/packages/powerline_fonts.rb b/packages/powerline_fonts.rb
index 45ade8f5d..290dc9931 100644
--- a/packages/powerline_fonts.rb
+++ b/packages/powerline_fonts.rb
@@ -21,21 +21,20 @@ class Powerline_fonts < Package
   })
 
   def self.install
-    fonts = "#{CREW_DEST_DIR}/usr/local/share/fonts"
+    fonts = "#{CREW_DEST_PREFIX}/share/fonts"
     FileUtils.mkdir_p(fonts)
 
     Dir.glob('*').each do |f|
       FileUtils.mv(f, fonts) unless ["README.rst", "install.sh"].include? f
     end
 
-    home = "#{CREW_DEST_DIR}/home/chronos/user"
-    FileUtils.mkdir_p(home)
-    FileUtils.cd(home) do
+    FileUtils.mkdir_p("#{CREW_DEST_HOME}")
+    FileUtils.cd("#{CREW_DEST_HOME}") do
       File.open('.font.conf','w') do |f|
         f.puts "<?xml version=\"1.0\"?>"
         f.puts "<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">"
         f.puts "<fontconfig>"
-        f.puts "\t<dir>/usr/local/share/fonts</dir>"
+        f.puts "\t<dir>#{CREW_PREFIX}/share/fonts</dir>"
         f.puts "</fontconfig>"
       end
 
diff --git a/packages/pwgen.rb b/packages/pwgen.rb
index 9c9a13889..3c90ba906 100644
--- a/packages/pwgen.rb
+++ b/packages/pwgen.rb
@@ -21,7 +21,7 @@ class Pwgen < Package
   })
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/python27.rb b/packages/python27.rb
index b7c646ecb..3b5118a4f 100644
--- a/packages/python27.rb
+++ b/packages/python27.rb
@@ -25,7 +25,7 @@ class Python27 < Package
 
   def self.build
     # IMPORTANT: Do not build with python27 already installed or pip will not be included.
-    # python requires /usr/local/lib, so leave as is but specify -rpath
+    # python requires #{CREW_LIB_PREFIX}, so leave as is but specify -rpath
     system "./configure", "CPPFLAGS=-I#{CREW_PREFIX}/include/ncurses -I#{CREW_PREFIX}/include/ncursesw",
         "LDFLAGS=-Wl,-rpath,-L#{CREW_LIB_PREFIX}",
         "--with-ensurepip=install", "--enable-shared"
diff --git a/packages/qemacs.rb b/packages/qemacs.rb
index 762403405..785837d35 100644
--- a/packages/qemacs.rb
+++ b/packages/qemacs.rb
@@ -24,7 +24,7 @@ class Qemacs < Package
     system "sed -i 's,css.h,libqhtml/css.h,' html2png.c"
     system "sed -i 's/$(prefix)/$(DESTDIR)$(prefix)/g' Makefile"
     system "./configure", \
-           "--prefix=/usr/local", \
+           "--prefix=#{CREW_PREFIX}", \
            "--disable-x11", \
            "--disable-xv", \
            "--disable-xrender", \
@@ -34,9 +34,9 @@ class Qemacs < Package
   end
 
   def self.install
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/bin"
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/share/qe"
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/man/man1"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/bin"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/share/qe"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/man/man1"
     system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
   end
 end
diff --git a/packages/qt.rb b/packages/qt.rb
index 6da10d6d2..4c45deac6 100644
--- a/packages/qt.rb
+++ b/packages/qt.rb
@@ -28,7 +28,7 @@ class Qt < Package
       system "echo '    gui.clickButton(buttons.NextButton);' >> qt-installer-script.qs"
       system "echo '}' >> qt-installer-script.qs"
       system "echo 'Controller.prototype.TargetDirectoryPageCallback = function() {' >> qt-installer-script.qs"
-      system "echo '    gui.currentPageWidget().TargetDirectoryLineEdit.setText(\"/usr/local/share/qt\");' >> qt-installer-script.qs"
+      system "echo '    gui.currentPageWidget().TargetDirectoryLineEdit.setText(\"#{CREW_PREFIX}/share/qt\");' >> qt-installer-script.qs"
       system "echo '    gui.clickButton(buttons.NextButton);' >> qt-installer-script.qs"
       system "echo '}' >> qt-installer-script.qs"
       system "echo 'Controller.prototype.ComponentSelectionPageCallback = function() {' >> qt-installer-script.qs"
diff --git a/packages/quakespasm.rb b/packages/quakespasm.rb
index 419969ad3..d9d200adc 100644
--- a/packages/quakespasm.rb
+++ b/packages/quakespasm.rb
@@ -41,7 +41,7 @@ class Quakespasm < Package
   end
 
   def self.postinstall
-      puts "Please make sure you have the proper .pak and/or .wad files to play Quake!".lightblue
-      puts "By default, quakespasm uses the current directory, but you can also specify the -basedir option.".lightblue
+    puts "Please make sure you have the proper .pak and/or .wad files to play Quake!".lightblue
+    puts "By default, quakespasm uses the current directory, but you can also specify the -basedir option.".lightblue
   end
 end
diff --git a/packages/rfkill.rb b/packages/rfkill.rb
index 95abd7148..052add1c1 100644
--- a/packages/rfkill.rb
+++ b/packages/rfkill.rb
@@ -27,7 +27,7 @@ class Rfkill < Package
   end
 
   def self.install
-    system "make", "DESTDIR=#{CREW_DEST_DIR}", "SBINDIR=/usr/local/sbin", "MANDIR=/usr/local/share/man", "install"
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "SBINDIR=#{CREW_PREFIX}/sbin", "MANDIR=#{CREW_PREFIX}/share/man", "install"
   end
 
   def self.check
diff --git a/packages/ruby.rb b/packages/ruby.rb
index e0e3966ef..c7c235549 100644
--- a/packages/ruby.rb
+++ b/packages/ruby.rb
@@ -36,6 +36,6 @@ class Ruby < Package
   end
 
   def self.check
-    system "TMPDIR=/usr/local/tmp make check"
+    system "TMPDIR=#{CREW_PREFIX}/tmp make check"
   end
 end
diff --git a/packages/s.rb b/packages/s.rb
index be53d2cad..e0eb5d99e 100644
--- a/packages/s.rb
+++ b/packages/s.rb
@@ -37,13 +37,13 @@ class S < Package
   depends_on 'unzip'
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
     system "mkdir -p #{CREW_DEST_DIR}/home/#{USER}/user"
     system "cp autocomplete/s-completion.bash /home/#{USER}/user/.s-completion.bash"
     system "cp autocomplete/s-completion.bash #{CREW_DEST_DIR}/home/#{USER}/user/.s-completion.bash"
     system "cp autocomplete/s.fish /home/#{USER}/user/.s.fish"
     system "cp autocomplete/s.fish #{CREW_DEST_DIR}/home/#{USER}/user/.s.fish"
-    system "cp s #{CREW_DEST_DIR}/usr/local/bin"
+    system "cp s #{CREW_DEST_PREFIX}/bin"
     puts ""
     puts "In order to enable autocomplete for bash, execute the following:".lightblue
     puts "echo \"source ~/.s-completion.bash\" >> ~/.bashrc && source ~/.bashrc".lightblue
diff --git a/packages/sbt.rb b/packages/sbt.rb
index ee1299bb8..adc0942c4 100644
--- a/packages/sbt.rb
+++ b/packages/sbt.rb
@@ -23,18 +23,18 @@ class Sbt < Package
   depends_on 'jdk8'
 
   def self.install
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/share/sbt/bin"
-    system "install", "-m", "644", "bin/sbt-launch.jar", "#{CREW_DEST_DIR}/usr/local/share/sbt/bin"
-    system "install", "-m", "644", "bin/sbt-launch-lib.bash", "#{CREW_DEST_DIR}/usr/local/share/sbt/bin"
-    system "install", "-m", "755", "bin/sbt", "#{CREW_DEST_DIR}/usr/local/share/sbt/bin"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/share/sbt/bin"
+    system "install", "-m", "644", "bin/sbt-launch.jar", "#{CREW_DEST_PREFIX}/share/sbt/bin"
+    system "install", "-m", "644", "bin/sbt-launch-lib.bash", "#{CREW_DEST_PREFIX}/share/sbt/bin"
+    system "install", "-m", "755", "bin/sbt", "#{CREW_DEST_PREFIX}/share/sbt/bin"
 
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/share/sbt/conf"
-    system "install", "-m", "644", "conf/sbtopts", "#{CREW_DEST_DIR}/usr/local/share/sbt/conf"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/share/sbt/conf"
+    system "install", "-m", "644", "conf/sbtopts", "#{CREW_DEST_PREFIX}/share/sbt/conf"
 
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/bin"
-    system "ln", "-s", "/usr/local/share/sbt/bin/sbt", "#{CREW_DEST_DIR}/usr/local/bin/sbt"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/bin"
+    system "ln", "-s", "#{CREW_PREFIX}/share/sbt/bin/sbt", "#{CREW_DEST_PREFIX}/bin/sbt"
 
-    system "mkdir", "-p", "#{CREW_DEST_DIR}/usr/local/etc/sbt"
-    system "ln", "-s", "/usr/local/share/sbt/conf/sbtopts", "#{CREW_DEST_DIR}/usr/local/etc/sbt/sbtopts"
+    system "mkdir", "-p", "#{CREW_DEST_PREFIX}/etc/sbt"
+    system "ln", "-s", "#{CREW_PREFIX}/share/sbt/conf/sbtopts", "#{CREW_DEST_PREFIX}/etc/sbt/sbtopts"
   end
 end
diff --git a/packages/shtool.rb b/packages/shtool.rb
index 2312fb875..9b6f60559 100644
--- a/packages/shtool.rb
+++ b/packages/shtool.rb
@@ -26,9 +26,9 @@ class Shtool < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/man/man1"
-    system "cp shtool #{CREW_DEST_DIR}/usr/local/bin"
-    system "cp *.1 #{CREW_DEST_DIR}/usr/local/man/man1"
+    system "mkdir -p #{CREW_DEST_PREFIX}/bin"
+    system "mkdir -p #{CREW_DEST_PREFIX}/man/man1"
+    system "cp shtool #{CREW_DEST_PREFIX}/bin"
+    system "cp *.1 #{CREW_DEST_PREFIX}/man/man1"
   end
 end
diff --git a/packages/sluice.rb b/packages/sluice.rb
index c27e5410e..8cb7f0d1f 100644
--- a/packages/sluice.rb
+++ b/packages/sluice.rb
@@ -21,7 +21,7 @@ class Sluice < Package
   })
 
   def self.build
-    system "sed -i 's,/usr,/usr/local,g' Makefile"
+    system "sed -i 's,/usr,#{CREW_PREFIX},g' Makefile"
     system "make"
   end
 
diff --git a/packages/smemstat.rb b/packages/smemstat.rb
index 15ba4ef61..a5d06db0c 100644
--- a/packages/smemstat.rb
+++ b/packages/smemstat.rb
@@ -23,7 +23,7 @@ class Smemstat < Package
   depends_on 'ncurses'
 
   def self.build
-    system "sed -i 's,/usr,/usr/local,g' Makefile"
+    system "sed -i 's,/usr,#{CREW_PREFIX},g' Makefile"
     system "sed -i '/^CFLAGS += -Wall/s/$/ -I\\/usr\\/local\\/include\\/ncurses/' Makefile"
     system "make"
   end
diff --git a/packages/sshfs.rb b/packages/sshfs.rb
index 7dc10366e..e4b018127 100644
--- a/packages/sshfs.rb
+++ b/packages/sshfs.rb
@@ -24,7 +24,7 @@ class Sshfs < Package
   depends_on 'fuse'
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/syncthing.rb b/packages/syncthing.rb
index 66d1cba50..37682602f 100644
--- a/packages/syncthing.rb
+++ b/packages/syncthing.rb
@@ -24,7 +24,7 @@ class Syncthing < Package
 
   def self.build
     #The system tmp dir is mounted noexec, and the build will fail if it is used
-    system "TMPDIR=/usr/local/tmp go run build.go -version v0.14.40"
+    system "TMPDIR=#{CREW_PREFIX}/tmp go run build.go -version v0.14.40"
   end
 
   def self.install
@@ -59,6 +59,6 @@ sudo /sbin/iptables -D INPUT -p udp --dport 21025 -j ACCEPT
     system "chmod +x #{CREW_DEST_PREFIX}/bin/syncthing"
 
     #The build process leaves 50M of files around that we do not need
-    system "rm -rf /usr/local/tmp/syncthing-*/"
+    system "rm -rf #{CREW_PREFIX}/tmp/syncthing-*/"
   end
 end
diff --git a/packages/sysstat.rb b/packages/sysstat.rb
index 60342399c..1ac5e6cc5 100644
--- a/packages/sysstat.rb
+++ b/packages/sysstat.rb
@@ -26,9 +26,9 @@ class Sysstat < Package
     system "sed -i 's/root/$(whoami)/g' configure.in"
     system "sed -i 's/root/$(whoami)/g' sysstat-11.5.6.spec"
     system "./configure \
-            --docdir=/usr/local/doc \
-            --infodir=/usr/local/info \
-            --mandir=/usr/local/man"
+            --docdir=#{CREW_PREFIX}/doc \
+            --infodir=#{CREW_PREFIX}/info \
+            --mandir=#{CREW_PREFIX}/man"
     system "make"
   end
 
diff --git a/packages/tcpdump.rb b/packages/tcpdump.rb
index a9d13d7af..9ba856cab 100644
--- a/packages/tcpdump.rb
+++ b/packages/tcpdump.rb
@@ -24,7 +24,7 @@ class Tcpdump < Package
   depends_on 'openssl'
 
   def self.build
-    system "./configure --prefix=/usr/local --with-user=chronos"
+    system "./configure --prefix=#{CREW_PREFIX} --with-user=#{USER}"
     system "make"
   end
 
diff --git a/packages/tcpstat.rb b/packages/tcpstat.rb
index dc5452650..d05fd9d7c 100644
--- a/packages/tcpstat.rb
+++ b/packages/tcpstat.rb
@@ -21,7 +21,7 @@ class Tcpstat < Package
   })
 
   def self.build
-    system "./configure", "--prefix=/usr/local"
+    system "./configure", "--prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/terraform.rb b/packages/terraform.rb
index 039378774..8aafe11ec 100644
--- a/packages/terraform.rb
+++ b/packages/terraform.rb
@@ -27,7 +27,7 @@ class Terraform < Package
     system 'cp -aT . ../src/github.com/hashicorp/terraform/'
     system 'mv ../src .'
     system 'export GOPATH=`pwd`; go get -u golang.org/x/tools/cmd/stringer'
-    system 'export TMPDIR=/usr/local/tmp; export GOPATH=`pwd`; export PATH=$PATH:$GOPATH/bin; cd src/github.com/hashicorp/terraform/; make dev'
+    system "export TMPDIR=#{CREW_PREFIX}/tmp; export GOPATH=`pwd`; export PATH=\$PATH:\$GOPATH/bin; cd src/github.com/hashicorp/terraform/; make dev"
   end
 
   def self.install
diff --git a/packages/tinycc.rb b/packages/tinycc.rb
index 48baeacbf..1368a2f80 100644
--- a/packages/tinycc.rb
+++ b/packages/tinycc.rb
@@ -21,7 +21,7 @@ class Tinycc < Package
   })
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end
 
diff --git a/packages/tree.rb b/packages/tree.rb
index 07810c500..f9d734821 100644
--- a/packages/tree.rb
+++ b/packages/tree.rb
@@ -21,7 +21,7 @@ class Tree < Package
   })
 
   def self.build
-    system "sed -i 's,/usr,/usr/local,g' Makefile"
+    system "sed -i 's,/usr,#{CREW_PREFIX},g' Makefile"
     system "sed -i '25s,=,=$(DESTDIR),' Makefile"
     system "sed -i '27s,=,=$(DESTDIR),' Makefile"
     system "make"
diff --git a/packages/unshield.rb b/packages/unshield.rb
index ecc8cbbc1..902f3b17e 100644
--- a/packages/unshield.rb
+++ b/packages/unshield.rb
@@ -28,8 +28,8 @@ class Unshield < Package
   end
 
   def self.install
-    system "mkdir -p #{CREW_DEST_DIR}/usr/local/man/man1"
-    system "cp man/* #{CREW_DEST_DIR}/usr/local/man/man1"
+    system "mkdir -p #{CREW_DEST_PREFIX}/man/man1"
+    system "cp man/* #{CREW_DEST_PREFIX}/man/man1"
     system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
   end
 end
diff --git a/packages/waf.rb b/packages/waf.rb
index d5574bb22..187a06155 100644
--- a/packages/waf.rb
+++ b/packages/waf.rb
@@ -21,7 +21,7 @@ class Waf < Package
   })
 
   depends_on 'help2man'
-  depends_on 'python27' unless File.exists? '/usr/local/bin/python'
+  depends_on 'python27' unless File.exists? "#{CREW_PREFIX}/bin/python"
 
   def self.build
     system './waf-light configure build'
diff --git a/packages/wbox.rb b/packages/wbox.rb
index 66bb8dd41..e23da1d90 100644
--- a/packages/wbox.rb
+++ b/packages/wbox.rb
@@ -25,7 +25,7 @@ class Wbox < Package
   end
 
   def self.install
-    FileUtils.mkdir_p "#{CREW_DEST_DIR}/usr/local/bin"
-    FileUtils.cp "wbox", "#{CREW_DEST_DIR}/usr/local/bin/"
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/bin"
+    FileUtils.cp "wbox", "#{CREW_DEST_PREFIX}/bin/"
   end
 end
diff --git a/packages/whois.rb b/packages/whois.rb
index 966f7e536..d4c8f52fe 100644
--- a/packages/whois.rb
+++ b/packages/whois.rb
@@ -23,8 +23,8 @@ class Whois < Package
   depends_on 'gettext'
 
   def self.build
-    system "sed -i 's,prefix = /usr,prefix = /usr/local,' Makefile"
-    system "sed -i 's,prefix = /usr,prefix = /usr/local,' po/Makefile"
+    system "sed -i 's,prefix = /usr,prefix = #{CREW_PREFIX},' Makefile"
+    system "sed -i 's,prefix = /usr,prefix = #{CREW_PREFIX},' po/Makefile"
     system "sed -i 's,/share/,/,g' Makefile"
     system "sed -i 's,/share/,/,g' po/Makefile"
     system "sed -i 's,/share/,/,g' config.h"
diff --git a/packages/wine.rb b/packages/wine.rb
index d226d8da8..5ecca3065 100644
--- a/packages/wine.rb
+++ b/packages/wine.rb
@@ -33,8 +33,8 @@ class Wine < Package
   def self.install
     case ARCH
     when "x86_64"
-      system "mkdir -p #{CREW_DEST_DIR}/usr/local/bin"
-      FileUtils.cd("#{CREW_DEST_DIR}/usr/local/bin") do
+      FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/bin"
+      FileUtils.cd("#{CREW_DEST_PREFIX}/bin") do
         system "ln -s wine64 wine"
       end
     end
diff --git a/packages/xzutils.rb b/packages/xzutils.rb
index 858723a76..ffa4d878d 100644
--- a/packages/xzutils.rb
+++ b/packages/xzutils.rb
@@ -21,7 +21,7 @@ class Xzutils < Package
   })
 
   def self.build
-    system "./configure", "--prefix=/usr/local", "--libdir=#{CREW_LIB_PREFIX}",
+    system "./configure", "--prefix=#{CREW_PREFIX}", "--libdir=#{CREW_LIB_PREFIX}",
            "--disable-docs", "--enable-shared", "--disable-static", "--with-pic"
     system "make"
   end
diff --git a/packages/yasm.rb b/packages/yasm.rb
index ebd317217..edf33bb44 100644
--- a/packages/yasm.rb
+++ b/packages/yasm.rb
@@ -21,7 +21,7 @@ class Yasm < Package
   })
 
   def self.build
-    system './configure --prefix=/usr/local'
+    system "./configure --prefix=#{CREW_PREFIX}"
     system 'make'
   end
 
diff --git a/packages/zsh.rb b/packages/zsh.rb
index b18eea2ab..6f1249a3f 100644
--- a/packages/zsh.rb
+++ b/packages/zsh.rb
@@ -23,7 +23,7 @@ class Zsh < Package
   depends_on 'ncurses'
 
   def self.build
-    system "./configure --prefix=/usr/local"
+    system "./configure --prefix=#{CREW_PREFIX}"
     system "make"
   end