--- /dev/null
+diff -uNr ruby-2.4.2/addr2line.c ruby-2.4.2.mod/addr2line.c
+--- ruby-2.4.2/addr2line.c 2016-10-18 18:09:08.000000000 +0300
++++ ruby-2.4.2.mod/addr2line.c 2017-09-15 12:00:56.242805138 +0300
+@@ -440,7 +440,7 @@
+ /* Ideally we should check 4 paths to follow gnu_debuglink,
+ but we handle only one case for now as this format is used
+ by some linux distributions. See GDB's info for detail. */
+- static const char global_debug_dir[] = "/usr/lib/debug";
++ static const char global_debug_dir[] = "@TERMUX_PREFIX@/lib/debug";
+ char *p, *subdir;
+ obj_info_t *o1 = *objp, *o2;
+
+diff -uNr ruby-2.4.2/dln_find.c ruby-2.4.2.mod/dln_find.c
+--- ruby-2.4.2/dln_find.c 2016-06-02 19:52:15.000000000 +0300
++++ ruby-2.4.2.mod/dln_find.c 2017-09-15 12:00:28.522805158 +0300
+@@ -72,6 +72,10 @@
+
+ if (!path) {
+ path =
++ "@TERMUX_PREFIX@/bin" PATH_SEP
++ "@TERMUX_PREFIX@/bin/applets" PATH_SEP
++ "/system/xbin" PATH_SEP
++ "/system/bin" PATH_SEP
+ "/usr/local/bin" PATH_SEP
+ "/usr/ucb" PATH_SEP
+ "/usr/bin" PATH_SEP
+diff -uNr ruby-2.4.2/lib/drb/gw.rb ruby-2.4.2.mod/lib/drb/gw.rb
+--- ruby-2.4.2/lib/drb/gw.rb 2015-12-16 07:07:31.000000000 +0200
++++ ruby-2.4.2.mod/lib/drb/gw.rb 2017-09-15 12:06:04.592804917 +0300
+@@ -99,8 +99,8 @@
+
+ front = DRb::GW.new
+
+-s1 = DRb::DRbServer.new('drbunix:/tmp/gw_b_a', front)
+-s2 = DRb::DRbServer.new('drbunix:/tmp/gw_b_c', front)
++s1 = DRb::DRbServer.new('drbunix:@TERMUX_PREFIX@/tmp/gw_b_a', front)
++s2 = DRb::DRbServer.new('drbunix:@TERMUX_PREFIX@/tmp/gw_b_c', front)
+
+ s1.thread.join
+ s2.thread.join
+@@ -131,9 +131,9 @@
+ require 'foo'
+
+ obj = Foo.new('a')
+-DRb.start_service("drbunix:/tmp/gw_a", obj)
++DRb.start_service("drbunix:@TERMUX_PREFIX@/tmp/gw_a", obj)
+
+-robj = DRbObject.new_with_uri('drbunix:/tmp/gw_b_a')
++robj = DRbObject.new_with_uri('drbunix:@TERMUX_PREFIX@/tmp/gw_b_a')
+ robj[:a] = obj
+
+ DRb.thread.join
+@@ -146,9 +146,9 @@
+
+ foo = Foo.new('c', nil)
+
+-DRb.start_service("drbunix:/tmp/gw_c", nil)
++DRb.start_service("drbunix:@TERMUX_PREFIX@/tmp/gw_c", nil)
+
+-robj = DRbObject.new_with_uri("drbunix:/tmp/gw_b_c")
++robj = DRbObject.new_with_uri("drbunix:@TERMUX_PREFIX@/tmp/gw_b_c")
+
+ puts "c->b"
+ a = robj[:a]
+diff -uNr ruby-2.4.2/lib/mkmf.rb ruby-2.4.2.mod/lib/mkmf.rb
+--- ruby-2.4.2/lib/mkmf.rb 2017-09-15 11:42:55.362805911 +0300
++++ ruby-2.4.2.mod/lib/mkmf.rb 2017-09-15 13:57:38.032800130 +0300
+@@ -1551,7 +1551,7 @@
+ if path ||= ENV['PATH']
+ path = path.split(File::PATH_SEPARATOR)
+ else
+- path = %w[/usr/local/bin /usr/ucb /usr/bin /bin]
++ path = %w[@TERMUX_PREFIX@/bin @TERMUX_PREFIX@/bin/applets /system/xbin /system/bin /usr/local/bin /usr/ucb /usr/bin /bin]
+ end
+ file = nil
+ path.each do |dir|
+diff -uNr ruby-2.4.2/lib/resolv.rb ruby-2.4.2.mod/lib/resolv.rb
+--- ruby-2.4.2/lib/resolv.rb 2016-11-24 01:57:30.000000000 +0200
++++ ruby-2.4.2.mod/lib/resolv.rb 2017-09-15 13:49:49.152800465 +0300
+@@ -172,7 +172,7 @@
+ require 'win32/resolv'
+ DefaultFileName = Win32::Resolv.get_hosts_path
+ rescue LoadError
+- DefaultFileName = '/etc/hosts'
++ DefaultFileName = '@TERMUX_PREFIX@/etc/hosts'
+ end
+
+ ##
+@@ -957,7 +957,7 @@
+ return { :nameserver => nameserver, :search => search, :ndots => ndots }
+ end
+
+- def Config.default_config_hash(filename="/etc/resolv.conf")
++ def Config.default_config_hash(filename="@TERMUX_PREFIX@/etc/resolv.conf")
+ if File.exist? filename
+ config_hash = Config.parse_resolv_conf(filename)
+ else
+diff -uNr ruby-2.4.2/lib/rubygems/config_file.rb ruby-2.4.2.mod/lib/rubygems/config_file.rb
+--- ruby-2.4.2/lib/rubygems/config_file.rb 2016-09-28 03:57:53.000000000 +0300
++++ ruby-2.4.2.mod/lib/rubygems/config_file.rb 2017-09-15 13:47:05.912800582 +0300
+@@ -81,7 +81,7 @@
+
+ path.strip
+ rescue LoadError
+- RbConfig::CONFIG["sysconfdir"] || "/etc"
++ RbConfig::CONFIG["sysconfdir"] || "@TERMUX_PREFIX@/etc"
+ end
+ end
+
+diff -uNr ruby-2.4.2/lib/rubygems/defaults.rb ruby-2.4.2.mod/lib/rubygems/defaults.rb
+--- ruby-2.4.2/lib/rubygems/defaults.rb 2017-09-15 11:42:55.262805911 +0300
++++ ruby-2.4.2.mod/lib/rubygems/defaults.rb 2017-09-15 13:59:05.152800068 +0300
+@@ -116,7 +116,7 @@
+
+ def self.default_bindir
+ if defined? RUBY_FRAMEWORK_VERSION then # mac framework support
+- '/usr/bin'
++ '@TERMUX_PREFIX@/bin'
+ else # generic install
+ RbConfig::CONFIG['bindir']
+ end
+diff -uNr ruby-2.4.2/lib/webrick/config.rb ruby-2.4.2.mod/lib/webrick/config.rb
+--- ruby-2.4.2/lib/webrick/config.rb 2016-12-07 14:59:48.000000000 +0200
++++ ruby-2.4.2.mod/lib/webrick/config.rb 2017-09-15 12:03:02.402805048 +0300
+@@ -35,7 +35,7 @@
+ :Logger => nil, # default: WEBrick::Log.new
+ :ServerSoftware => "WEBrick/#{WEBrick::VERSION} " +
+ "(Ruby/#{RUBY_VERSION}/#{RUBY_RELEASE_DATE})",
+- :TempDir => ENV['TMPDIR']||ENV['TMP']||ENV['TEMP']||'/tmp',
++ :TempDir => ENV['TMPDIR']||ENV['TMP']||ENV['TEMP']||'@TERMUX_PREFIX@/tmp',
+ :DoNotListen => false,
+ :StartCallback => nil,
+ :StopCallback => nil,