extlibs.rb: external libraries

* tool/extlibs.rb: download, extract, and patch external libraries.

* ext/fiddle/extlibs: libffi-3.2.1 and patch for mswin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48935 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 3 deletions

diff --git a/tool/make-snapshot b/tool/make-snapshot
index 9e05e66ee9..0c245325a2 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -186,9 +186,15 @@ def package(vcs, rev, destdir, tmp = nil)
       return
     end
     if $srcdir
-      Dir.glob($srcdir + "/{tool/config.{guess,sub},gems/*.gem}") do |file|
+      Dir.glob($srcdir + "/{tool/config.{guess,sub},gems/*.gem,.downloaded-cache/*}") do |file|
         puts "copying #{file}"
-        FileUtils.cp(file, exported + file[$srcdir.size..-1], preserve: true)
+        dest = exported + file[$srcdir.size..-1]
+        FileUtils.mkpath(File.dirname(dest))
+        begin
+          FileUtils.ln(file, dest, force: true)
+        rescue SystemCallError
+          FileUtils.cp(file, dest, preserve: true)
+        end
       end
     end
   end
@@ -280,6 +286,7 @@ def package(vcs, rev, destdir, tmp = nil)
                srcdir=. CHDIR=cd NULLCMD=:
                PATH_SEPARATOR=#{File::PATH_SEPARATOR}
                IFCHANGE=tool/ifchange MAKEDIRS=mkdir\ -p
+               RMALL=rm\ -fr
                MINIRUBY=#{miniruby}
                RUNRUBY=#{miniruby}
                RUBY=#{ENV["RUBY"]}
@@ -289,7 +296,7 @@ def package(vcs, rev, destdir, tmp = nil)
                prereq]
       IO.popen(cmd, "w") do |f|
         f.puts mk
-        f.puts "after-update::", "prereq: after-update"
+        f.puts "after-update::", "clean-cache $(CLEAN_CACHE): after-update", "prereq: clean-cache $(CLEAN_CACHE)"
       end
       clean.push("rbconfig.rb", ".rbconfig.time", "enc.mk")
       print "prerequisites"