extconf.rb: libffi PIC objects

* ext/fiddle/extconf.rb: make PIC objects if it will be linked as
  a shared object eventually.  [ruby-core:67128]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49007 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 2 deletions

diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb
index 2bc5b8560d..f505a280ad 100644
--- a/ext/fiddle/extconf.rb
+++ b/ext/fiddle/extconf.rb
@@ -36,7 +36,7 @@ begin
   end
   libffi.include = "#{libffi.builddir}/include"
   libffi.lib = "#{libffi.builddir}/.libs"
-  libffi.a = "#{libffi.lib}/libffi.#{$LIBEXT}"
+  libffi.a = "#{libffi.lib}/libffi_convenience.#{$LIBEXT}"
   nowarn = CONFIG.merge("warnflags"=>"")
   libffi.cflags = RbConfig.expand("$(CFLAGS)", nowarn)
   ver = ver[/libffi-(.*)/, 1]
@@ -64,9 +64,10 @@ begin
   ld = RbConfig::CONFIG['LD']
   args.concat %W[
     --srcdir=#{libffi.srcdir}
-    --disable-shared --host=#{libffi.arch}
+    --host=#{libffi.arch}
     --enable-builddir=#{RUBY_PLATFORM}
   ]
+  args << ($enable_shared && !$static ? '--enable-shared' : '--enable-static')
   args << libffi.opt if libffi.opt
   args.concat %W[
       CC=#{cc} CFLAGS=#{libffi.cflags}