From 9ef4be2a961e36d81f3e01556635bf6eb27ae7b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steffen=20Schu=CC=88mann?= <s.schuemann@pobox.com>
Date: Sat, 27 Dec 2025 22:41:14 +0100
Subject: [PATCH] Update build_cmake.yml to handle GCC 5-6 with older CMake
 versions

---
 .github/workflows/build_cmake.yml | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build_cmake.yml b/.github/workflows/build_cmake.yml
index 3742b79..5adba98 100644
--- a/.github/workflows/build_cmake.yml
+++ b/.github/workflows/build_cmake.yml
@@ -238,7 +238,18 @@ jobs:
 
       - name: Configure
         run: |
-          cmake -G Ninja -S . -B build -DCMAKE_BUILD_TYPE=Release
+          # GCC 5-6 have CMake 3.0.2 which doesn't support -S/-B flags (added in 3.13)
+          if [ "${{ matrix.compiler }}" = "gcc" ]; then
+            if [ "${{ matrix.version }}" = "5" ] || [ "${{ matrix.version }}" = "6" ]; then
+              mkdir build
+              cd build
+              cmake .. -G Ninja -DCMAKE_BUILD_TYPE=Release
+            else
+              cmake -G Ninja -S . -B build -DCMAKE_BUILD_TYPE=Release
+            fi
+          else
+            cmake -G Ninja -S . -B build -DCMAKE_BUILD_TYPE=Release
+          fi
 
       - name: Build
         run: cmake --build build