From 18e8b147e66ba262b4d04a2270d1cae3d95b9a6f Mon Sep 17 00:00:00 2001
From: "J. Martin" <jmartin@starbladetech.com>
Date: Thu, 23 Feb 2017 18:52:46 -0600
Subject: [PATCH] Limit the gem native build resources
When building the native extension make -j can absorb all available
resources on a system. Implement "reasonable" limits on the number
of compiling jobs when the number of processors can be detected and
use a conservative count when ruby version does not provide detection.
---
src/ruby/ext/grpc/extconf.rb | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/ruby/ext/grpc/extconf.rb b/src/ruby/ext/grpc/extconf.rb
index b379664bab..ecb66239b9 100644
--- a/src/ruby/ext/grpc/extconf.rb
+++ b/src/ruby/ext/grpc/extconf.rb
@@ -27,6 +27,7 @@
# (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 'etc'
require 'mkmf'
LIBDIR = RbConfig::CONFIG['libdir']
@@ -80,7 +81,9 @@ ENV['BUILDDIR'] = output_dir
unless windows
puts 'Building internal gRPC into ' + grpc_lib_dir
- system("make -j -C #{grpc_root} #{grpc_lib_dir}/libgrpc.a CONFIG=#{grpc_config}")
+ nproc = 4
+ nproc = Etc.nprocessors * 2 if Etc.respond_to? :nprocessors
+ system("make -j#{nproc} -C #{grpc_root} #{grpc_lib_dir}/libgrpc.a CONFIG=#{grpc_config}")
exit 1 unless $? == 0
end
--
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