fix: build zlib + OpenSSL from source for MinGW FreeRDP cross-compile

.gitea/workflows/build-release.yml

@@ -55,7 +55,7 @@ jobs:
             mingw-w64 mingw-w64-tools binutils-mingw-w64 \
             cmake ninja-build nasm meson \
             default-jre-headless \
-            python3 curl
+            python3 curl pkg-config
 
           # Node.js
           if ! command -v node >/dev/null 2>&1; then
@@ -69,34 +69,71 @@ jobs:
           x86_64-w64-mingw32-gcc --version | head -1
           cmake --version | head -1
 
+      # ===============================================================
+      # FreeRDP3 dependencies — cross-compile zlib + OpenSSL for MinGW
+      # ===============================================================
+      - name: Build FreeRDP3 dependencies (zlib + OpenSSL for MinGW)
+        run: |
+          INSTALL_PREFIX="/tmp/mingw-deps"
+          mkdir -p "$INSTALL_PREFIX"
+          export CROSS=x86_64-w64-mingw32
+
+          # --- zlib ---
+          echo "=== Building zlib for MinGW ==="
+          ZLIB_VERSION="1.3.1"
+          curl -sSL -o /tmp/zlib.tar.gz "https://github.com/madler/zlib/releases/download/v${ZLIB_VERSION}/zlib-${ZLIB_VERSION}.tar.gz"
+          tar -xzf /tmp/zlib.tar.gz -C /tmp
+          cd /tmp/zlib-${ZLIB_VERSION}
+          CC=${CROSS}-gcc AR=${CROSS}-ar RANLIB=${CROSS}-ranlib \
+            ./configure --prefix="$INSTALL_PREFIX" --static
+          make -j$(nproc)
+          make install
+          echo "zlib installed to $INSTALL_PREFIX"
+
+          # --- OpenSSL ---
+          echo "=== Building OpenSSL for MinGW ==="
+          OPENSSL_VERSION="3.4.1"
+          curl -sSL -o /tmp/openssl.tar.gz "https://github.com/openssl/openssl/releases/download/openssl-${OPENSSL_VERSION}/openssl-${OPENSSL_VERSION}.tar.gz"
+          tar -xzf /tmp/openssl.tar.gz -C /tmp
+          cd /tmp/openssl-${OPENSSL_VERSION}
+          ./Configure mingw64 no-shared no-tests \
+            --cross-compile-prefix=${CROSS}- \
+            --prefix="$INSTALL_PREFIX"
+          make -j$(nproc)
+          make install_sw
+          echo "OpenSSL installed to $INSTALL_PREFIX"
+
       # ===============================================================
       # FreeRDP3 — Cross-compile from source via MinGW
       # ===============================================================
       - name: Build FreeRDP3 for Windows (MinGW cross-compile)
         run: |
           FREERDP_VERSION="3.24.0"
+          INSTALL_PREFIX="/tmp/mingw-deps"
           echo "=== Building FreeRDP ${FREERDP_VERSION} for Windows amd64 via MinGW ==="
 
           # Download FreeRDP source
-          curl -sSL -o /tmp/freerdp.tar.gz \
+          curl -sSL -o /tmp/freerdp.tar.gz "https://github.com/FreeRDP/FreeRDP/archive/refs/tags/${FREERDP_VERSION}.tar.gz"
-            "https://github.com/FreeRDP/FreeRDP/archive/refs/tags/${FREERDP_VERSION}.tar.gz"
           tar -xzf /tmp/freerdp.tar.gz -C /tmp
           cd /tmp/FreeRDP-${FREERDP_VERSION}
 
-          # Create MinGW toolchain file
+          # Create MinGW toolchain file pointing to our built deps
-          cat > /tmp/mingw-toolchain.cmake << 'TCEOF'
+          cat > /tmp/mingw-toolchain.cmake << TCEOF
           set(CMAKE_SYSTEM_NAME Windows)
           set(CMAKE_SYSTEM_PROCESSOR AMD64)
           set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
           set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++)
           set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
-          set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32)
+          set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32;${INSTALL_PREFIX})
           set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
           set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
           set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+          set(CMAKE_PREFIX_PATH ${INSTALL_PREFIX})
+          set(OPENSSL_ROOT_DIR ${INSTALL_PREFIX})
+          set(ZLIB_ROOT ${INSTALL_PREFIX})
           TCEOF
 
-          # Configure — minimal client-only build (no server, no extras)
+          # Configure — minimal client-only build
           cmake -B build -G Ninja \
             -DCMAKE_TOOLCHAIN_FILE=/tmp/mingw-toolchain.cmake \
             -DCMAKE_BUILD_TYPE=Release \