Initial checkin of gRPC to third_party/

third_party/grpc/src/ruby/ext/grpc/extconf.rb

Index: third_party/grpc/src/ruby/ext/grpc/extconf.rb
diff --git a/third_party/grpc/src/ruby/ext/grpc/extconf.rb b/third_party/grpc/src/ruby/ext/grpc/extconf.rb
new file mode 100644
index 0000000000000000000000000000000000000000..6b7001a4899d774b747c6887d7cca582fefb0b74
--- /dev/null
+++ b/third_party/grpc/src/ruby/ext/grpc/extconf.rb
@@ -0,0 +1,130 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+require 'mkmf'
+
+LIBDIR = RbConfig::CONFIG['libdir']
+INCLUDEDIR = RbConfig::CONFIG['includedir']
+
+HEADER_DIRS = [
+  # Search /opt/local (Mac source install)
+  '/opt/local/include',
+
+  # Search /usr/local (Source install)
+  '/usr/local/include',
+
+  # Check the ruby install locations
+  INCLUDEDIR
+]
+
+LIB_DIRS = [
+  # Search /opt/local (Mac source install)
+  '/opt/local/lib',
+
+  # Search /usr/local (Source install)
+  '/usr/local/lib',
+
+  # Check the ruby install locations
+  LIBDIR
+]
+
+windows = RUBY_PLATFORM =~ /mingw|mswin/
+
+grpc_root = File.expand_path(File.join(File.dirname(__FILE__), '../../../..'))
+
+grpc_config = ENV['GRPC_CONFIG'] || 'opt'
+
+if ENV.key?('GRPC_LIB_DIR')
+  grpc_lib_dir = File.join(grpc_root, ENV['GRPC_LIB_DIR'])
+else
+  grpc_lib_dir = File.join(grpc_root, 'libs', grpc_config)
+end
+
+ENV['MACOSX_DEPLOYMENT_TARGET'] = '10.7'
+
+unless File.exist?(File.join(grpc_lib_dir, 'libgrpc.a')) or windows
+  ENV['AR'] = RbConfig::CONFIG['AR'] + ' rcs'
+  ENV['CC'] = RbConfig::CONFIG['CC']
+  ENV['LD'] = ENV['CC']
+
+  ENV['AR'] = 'libtool -o' if RUBY_PLATFORM =~ /darwin/
+
+  ENV['EMBED_OPENSSL'] = 'true'
+  ENV['EMBED_ZLIB'] = 'true'
+  ENV['ARCH_FLAGS'] = RbConfig::CONFIG['ARCH_FLAG']
+  ENV['ARCH_FLAGS'] = '-arch i386 -arch x86_64' if RUBY_PLATFORM =~ /darwin/
+  ENV['CFLAGS'] = '-DGPR_BACKWARDS_COMPATIBILITY_MODE'
+
+  output_dir = File.expand_path(RbConfig::CONFIG['topdir'])
+  grpc_lib_dir = File.join(output_dir, 'libs', grpc_config)
+  ENV['BUILDDIR'] = output_dir
+
+  puts 'Building internal gRPC into ' + grpc_lib_dir
+  system("make -j -C #{grpc_root} #{grpc_lib_dir}/libgrpc.a CONFIG=#{grpc_config}")
+  exit 1 unless $? == 0
+end
+
+$CFLAGS << ' -I' + File.join(grpc_root, 'include')
+$LDFLAGS << ' ' + File.join(grpc_lib_dir, 'libgrpc.a') unless windows
+if grpc_config == 'gcov'
+  $CFLAGS << ' -O0 -fprofile-arcs -ftest-coverage'
+  $LDFLAGS << ' -fprofile-arcs -ftest-coverage -rdynamic'
+end
+
+$LDFLAGS << ' -Wl,-wrap,memcpy' if RUBY_PLATFORM =~ /linux/
+$LDFLAGS << ' -static' if windows
+
+$CFLAGS << ' -std=c99 '
+$CFLAGS << ' -Wall '
+$CFLAGS << ' -Wextra '
+$CFLAGS << ' -pedantic '
+$CFLAGS << ' -Werror '
+$CFLAGS << ' -Wno-format '
+
+output = File.join('grpc', 'grpc_c')
+puts 'Generating Makefile for ' + output
+create_makefile(output)
+
+strip_tool = RbConfig::CONFIG['STRIP']
+strip_tool = 'strip -x' if RUBY_PLATFORM =~ /darwin/
+
+if grpc_config == 'opt'
+  File.open('Makefile.new', 'w') do |o|
+    o.puts 'hijack: all strip'
+    o.puts
+    File.foreach('Makefile') do |i|
+      o.puts i
+    end
+    o.puts
+    o.puts 'strip:'
+    o.puts "\t$(ECHO) Stripping $(DLLIB)"
+    o.puts "\t$(Q) #{strip_tool} $(DLLIB)"
+  end
+  File.rename('Makefile.new', 'Makefile')
+end