ext/ds9/extconf.rb in ds9-1.3.0 vs ext/ds9/extconf.rb in ds9-1.3.1

@@ -1,16 +1,43 @@
 require 'mkmf'
 
-if with_config("static")
-  ldflags = pkg_config 'libnghttp2', 'libs-only-L'
+def using_system_libraries?
+  arg_config('--use-system-libraries', !!ENV['DS9_USE_SYSTEM_LIBRARIES'])
+end
 
-  archive = File.join ldflags.sub(/^-L/, ''), 'libnghttp2.a'
-  if File.exist? archive
-    $LDFLAGS << " #{archive}"
+if using_system_libraries?
+  if with_config("static")
+    ldflags = pkg_config 'libnghttp2', 'libs-only-L'
+
+    archive = File.join ldflags.sub(/^-L/, ''), 'libnghttp2.a'
+    if File.exist? archive
+      $LDFLAGS << " #{archive}"
+    else
+      raise "couldn't find archive"
+    end
   else
-    raise "couldn't find archive"
+    pkg_config 'libnghttp2'
   end
 else
-  pkg_config 'libnghttp2'
+  message "Building nghttp2\n"
+  require 'rubygems'
+  require 'mini_portile2'
+  recipe = MiniPortile.new('nghttp2', 'v1.34.0')
+  # We need to compile nghttp2 with `-fPIC` option, so delete `--disable-shared` from MiniPortile#configure_defaults
+  recipe.configure_options = ['--enable-lib-only', '--enable-static', "--host=#{recipe.host}"]
+
+  recipe.files << {
+    url: 'https://github.com/nghttp2/nghttp2/releases/download/v1.34.0/nghttp2-1.34.0.tar.gz',
+    sha1: '2d0ad93a254a7a6e6c737f2fd2e10e4810a41f74',
+  }
+  recipe.cook
+
+  # `recipe.activate` uses invalid path for this package.
+  $LIBPATH = ["#{recipe.path}/lib"] + $LIBPATH
+  $CPPFLAGS << " -I#{recipe.path}/include"
+  $LIBS << " -lnghttp2 -lstdc++"
 end
+
+abort 'nghttp2/nghttp2.h not found' unless have_header('nghttp2/nghttp2.h')
+abort 'libnghttp2 not found' unless have_library('nghttp2')
 
 create_makefile 'ds9'