From 35e204f81277af4e3610b3500d7d826cb9d220a0 Mon Sep 17 00:00:00 2001
From: Olof Pettersson <olof.pettersson.ardehed@gmail.com>
Date: Mon, 1 Dec 2025 22:45:20 +0100
Subject: [PATCH] Core calculation and linking parameters

---
 .gitea/workflows/build-engine.yaml | 34 +++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

diff --git a/.gitea/workflows/build-engine.yaml b/.gitea/workflows/build-engine.yaml
index 0fc623e4dfd..d01a2594b38 100644
--- a/.gitea/workflows/build-engine.yaml
+++ b/.gitea/workflows/build-engine.yaml
@@ -49,18 +49,46 @@ jobs:
           submodules: recursive
 
       - name: Compile with SCons
-        # We don't need to install scons/mingw; they are already in the Fedora image!
         run: |
+          # --- SMART CORE DETECTION ---
+          # Default to hardware limit if no quota is found
+          REAL_CORES=$(nproc)
+          
+          # Check Cgroup V2 (Fedora / Modern K8s)
+          if [ -f /sys/fs/cgroup/cpu.max ]; then
+              # Read quota and period (e.g., "700000 100000")
+              read QUOTA PERIOD < /sys/fs/cgroup/cpu.max
+              if [ "$QUOTA" != "max" ]; then
+                  # Calculate limit: Quota / Period (e.g., 700000 / 100000 = 7)
+                  REAL_CORES=$(( QUOTA / PERIOD ))
+              fi
+          
+          # Check Cgroup V1 (Older K8s / Docker)
+          elif [ -f /sys/fs/cgroup/cpu/cpu.cfs_quota_us ]; then
+              QUOTA=$(cat /sys/fs/cgroup/cpu/cpu.cfs_quota_us)
+              PERIOD=$(cat /sys/fs/cgroup/cpu/cpu.cfs_period_us)
+              if [ "$QUOTA" -gt 0 ]; then
+                  REAL_CORES=$(( QUOTA / PERIOD ))
+              fi
+          fi
+          
+          # Safety: Ensure we use at least 1 core
+          if [ "$REAL_CORES" -lt 1 ]; then REAL_CORES=1; fi
+          
+          echo "Hardware has $(nproc) cores. Container limit is ${REAL_CORES} cores."
+          # -----------------------------
+
           echo "Compiling ${{ matrix.name }}..."
           
           # Godot 4 SCons Command
-          scons platform=windows \
+          nice -n 10 scons platform=windows \
                 target=${{ matrix.target }} \
                 d3d12=no \
                 arch=x86_64 \
                 precision=double \
                 production=${{ matrix.production }} \
-                -j$(nproc)
+                LINKFLAGS="-lhid -lsetupapi" \
+                -j$REAL_CORES
 
       - name: Verify Output
         run: ls -l bin/