From fe15d1a0a8b0742d08a4b20dd26f597ddffd7b41 Mon Sep 17 00:00:00 2001
From: HedgehogInTheCPP <a.rainman@gmail.com>
Date: Tue, 18 Aug 2026 01:40:23 +0300
Subject: [PATCH] try to fix alpine from scratch.

---
 .github/workflows/alpine.yml | 63 ++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 .github/workflows/alpine.yml

diff --git a/.github/workflows/alpine.yml b/.github/workflows/alpine.yml
new file mode 100644
index 0000000..8ed5337
--- /dev/null
+++ b/.github/workflows/alpine.yml
@@ -0,0 +1,63 @@
+name: Alpine Linux
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    name: Build on Alpine ${{ matrix.arch }}
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        arch:
+          - x86_64
+          - x86
+          - aarch64
+          - armv7
+          - ppc64le
+          - riscv64
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v7
+
+      - name: Install Alpine Linux for ${{ matrix.arch }}
+        uses: jirutka/setup-alpine@v1
+        with:
+          arch: ${{ matrix.arch }}
+
+          # Keep CI reproducible.
+          # riscv64 currently uses edge because stable Alpine support
+          # for this architecture can lag behind the other architectures.
+          branch: ${{ matrix.arch == 'riscv64' && 'edge' || 'v3.23' }}
+
+          packages: >
+            build-base
+            cmake
+            linux-headers
+            git
+            bash
+
+      - name: Prepare
+        run: |
+          cmake \
+            -DFASTFLOAT_TEST=ON \
+            -B build
+        shell: alpine.sh {0}
+
+      - name: Build
+        run: |
+          cmake --build build
+        shell: alpine.sh {0}
+
+      - name: Test
+        run: |
+          ctest \
+            --test-dir build \
+            -R basictest \
+            --output-on-failure
+        shell: alpine.sh {0}