From e38a2ecffd51a2fe09548b322cb19293c6d024ef Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 6 Jun 2020 00:35:45 +0900
Subject: Run tests in more parallel

---
 defs/gmake.mk | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'defs')

diff --git a/defs/gmake.mk b/defs/gmake.mk
index a4347ff318..7de43ced1c 100644
--- a/defs/gmake.mk
+++ b/defs/gmake.mk
@@ -4,6 +4,7 @@ reconfig config.status: export MAKE:=$(MAKE)
 override gnumake_recursive := $(if $(findstring n,$(firstword $(MFLAGS))),,+)
 override mflags := $(filter-out -j%,$(MFLAGS))
 MSPECOPT += $(if $(filter -j%,$(MFLAGS)),-j)
+nproc = $(subst -j,,$(filter -j%,$(MFLAGS)))
 
 CHECK_TARGETS := great exam love check test check% test% btest%
 # expand test targets, and those dependents
@@ -90,6 +91,8 @@ sudo-precheck: test yes-test-testframework no-test-testframework
 install-prereq: sudo-precheck
 yes-test-all no-test-all: install
 endif
+yes-test-bundler-parallel: PARALLELRSPECOPTS += $(if $(nproc),-n$(shell expr $(nproc) + $(nproc) / 2))
+
 # Cross reference needs to parse all files at once
 love install reinstall: RDOCFLAGS = --force-update
 
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