From abefa06ac75befdcdf119dc1e9a3ef2d0bdcf057 Mon Sep 17 00:00:00 2001
From: scribam <scribam@users.noreply.github.com>
Date: Mon, 27 Apr 2026 15:54:21 +0200
Subject: [PATCH] Fix Android build and add GitHub workflow

---
 .github/workflows/android.yml | 21 +++++++++++++++++++++
 src/libchdr_chd.c             |  6 ++++--
 2 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 .github/workflows/android.yml

diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
new file mode 100644
index 0000000..5f1bf99
--- /dev/null
+++ b/.github/workflows/android.yml
@@ -0,0 +1,21 @@
+name: Android
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        android_abi: [arm64-v8a, armeabi-v7a, x86, x86_64]
+        android_stl: [c++_shared, c++_static]
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Configure CMake
+        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake \
+          -DANDROID_ABI=${{ matrix.android_abi }} -DANDROID_STL=${{ matrix.android_stl }}
+
+      - name: Build
+        run: cmake --build ${{github.workspace}}/build --config Release
diff --git a/src/libchdr_chd.c b/src/libchdr_chd.c
index 1158f31..95dfeda 100644
--- a/src/libchdr_chd.c
+++ b/src/libchdr_chd.c
@@ -45,8 +45,10 @@
 #  ifndef _POSIX_C_SOURCE
 #    define _POSIX_C_SOURCE 200809L
 #  endif
-#  ifndef _FILE_OFFSET_BITS
-#    define _FILE_OFFSET_BITS 64
+#  ifndef __ANDROID__
+#    ifndef _FILE_OFFSET_BITS
+#      define _FILE_OFFSET_BITS 64
+#    endif
 #  endif
 #endif