From e7a90f97d8c38df8c4bda95e7ef9e8810f728bc9 Mon Sep 17 00:00:00 2001
From: Ryan Carsten Schmidt <git@ryandesign.com>
Date: Tue, 23 Apr 2024 18:21:07 -0500
Subject: [PATCH] Build and test in parallel in CI

Build and test in parallel with as many jobs as we have been allocated
CPU cores. This should make CI runs faster and provide visibility to
parallel build problems.
---
 .github/workflows/main.yml | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c9b025853..55d154725 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -17,22 +17,28 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: install packages
+      id: info
       run: |
         case $RUNNER_OS in
           Linux)
             sudo apt-get install autoconf autoconf-archive automake flex libpcre2-dev libtool
+            cpus=$(nproc)
             ;;
           macOS)
             brew install autoconf autoconf-archive automake pcre2 libtool
+            cpus=$(sysctl -n hw.activecpu)
             ;;
+          *)
+            cpus=1
         esac
+        echo "cpus=$cpus" >> "$GITHUB_OUTPUT"
     - name: autogen
       run: ./autogen.sh --no-configure
     - name: configure
       run: ./configure --disable-silent-rules
     - name: make
-      run: make
+      run: make -j${{ steps.info.outputs.cpus }}
     - name: make check
-      run: make check
+      run: make check -j${{ steps.info.outputs.cpus }}
     - name: make distcheck
-      run: make distcheck
+      run: make distcheck -j${{ steps.info.outputs.cpus }}