File use_system_libs.patch of Package rubygem-grpc

Index: grpc-1.70.1/src/ruby/ext/grpc/extconf.rb
===================================================================
--- grpc-1.70.1.orig/src/ruby/ext/grpc/extconf.rb
+++ grpc-1.70.1/src/ruby/ext/grpc/extconf.rb
@@ -16,6 +16,7 @@ require 'etc'
 require 'mkmf'
 require_relative '../../lib/grpc/version.rb'
 
+=begin
 windows = RUBY_PLATFORM =~ /mingw|mswin/
 windows_ucrt = RUBY_PLATFORM =~ /(mingw|mswin).*ucrt/
 bsd = RUBY_PLATFORM =~ /bsd/
@@ -30,6 +31,7 @@ grpc_root = File.expand_path(File.join(F
 grpc_config = ENV['GRPC_CONFIG'] || 'opt'
 
 ENV['MACOSX_DEPLOYMENT_TARGET'] = '10.14'
+=end
 
 def debug_symbols_output_dir
   d = ENV['GRPC_RUBY_DEBUG_SYMBOLS_OUTPUT_DIR']
@@ -82,6 +84,7 @@ inherit_env_or_rbconfig 'STRIP'
 inherit_rbconfig 'CPPFLAGS'
 inherit_rbconfig('LDFLAGS', linker_flag: true)
 
+=begin
 ENV['LD'] = ENV['CC'] if env_unset?('LD')
 ENV['LDXX'] = ENV['CXX'] if env_unset?('LDXX')
 
@@ -108,6 +111,7 @@ if apple_toolchain && !cross_compiling
     ENV['ARCH_FLAGS'] = '-arch i386 -arch x86_64'
   end
 end
+=end
 
 env_append 'CPPFLAGS', '-DGRPC_XDS_USER_AGENT_NAME_SUFFIX="\"RUBY\""'
 
@@ -116,6 +120,7 @@ env_append 'CPPFLAGS', '-DGRPC_XDS_USER_
 env_append 'CPPFLAGS', '-DGRPC_POSIX_FORK_ALLOW_PTHREAD_ATFORK=1'
 
 output_dir = File.expand_path(RbConfig::CONFIG['topdir'])
+=begin
 grpc_lib_dir = File.join(output_dir, 'libs', grpc_config)
 ENV['BUILDDIR'] = output_dir
 
@@ -145,6 +150,7 @@ $DLDFLAGS = maybe_remove_strip_all_linke
 $CFLAGS << ' -DGRPC_RUBY_WINDOWS_UCRT' if windows_ucrt
 $CFLAGS << ' -I' + File.join(grpc_root, 'include')
 $CFLAGS << ' -g'
+=end
 
 def have_ruby_abi_version()
   return true if RUBY_ENGINE == 'truffleruby'
@@ -174,6 +180,7 @@ def ext_export_filename()
   name
 end
 
+=begin
 ext_export_file = File.join(grpc_root, 'src', 'ruby', 'ext', 'grpc', ext_export_filename())
 $LDFLAGS << ' -Wl,--version-script="' + ext_export_file + '.gcc"' if linux
 if apple_toolchain
@@ -196,11 +203,13 @@ if linux && RUBY_ENGINE != 'truffleruby'
   $LDFLAGS << ' -static-libgcc -static-libstdc++'
 end
 $LDFLAGS << ' -static' if windows
+=end
 
 $CFLAGS << ' -std=c11 '
 $CFLAGS << ' -Wall '
 $CFLAGS << ' -Wextra '
 $CFLAGS << ' -pedantic '
+$LDFLAGS << ' -lgrpc '
 
 output = File.join('grpc', 'grpc_c')
 puts "extconf.rb $LDFLAGS: #{$LDFLAGS}"
@@ -209,6 +218,7 @@ puts "extconf.rb $CFLAGS: #{$CFLAGS}"
 puts 'Generating Makefile for ' + output
 create_makefile(output)
 
+=begin
 ruby_major_minor = /(\d+\.\d+)/.match(RUBY_VERSION).to_s
 debug_symbols = "grpc-#{GRPC::VERSION}-#{RUBY_PLATFORM}-ruby-#{ruby_major_minor}.dbg"
 
@@ -265,3 +275,4 @@ if ENV['GRPC_RUBY_TEST_ONLY_WORKAROUND_M
   end
   File.rename('Makefile.new', 'Makefile')
 end
+=end