Travis: build libretro cores

.travis.sh

@@ -42,10 +42,18 @@ travis_before_install()
 travis_script()
 {
     if [ "$TARGET_OS" = "Android" ]; then
-        pushd build_android
+        if [ "$BUILD_LIBRETRO" = "yes" ]; then
-        ./gradlew
+            export PATH=/opt/cmake-3.8.1-Linux-x86_64/bin/:$PATH
-        ./gradlew assembleRelease
+            export ANDROID_NDK=/usr/local/android-sdk/ndk-bundle
-        popd 
+            pushd build_retro
+            bash android_build.sh
+            popd
+        else
+            pushd build_android
+            ./gradlew
+            ./gradlew assembleRelease
+            popd
+        fi
     elif [ "$TARGET_OS" = "Linux_Clang_Format" ]; then
         set +e
         find ./Source/ ./tools/ -iname *.h -o -iname *.cpp -o -iname *.m  -iname *.mm | xargs clang-format-6.0 -i
@@ -69,7 +77,7 @@ travis_script()
             if [ "$CXX" = "g++" ]; then export CXX="g++-9" CC="gcc-9"; fi
             source /opt/qt512/bin/qt512-env.sh || true
             export PATH=$PATH:/opt/qt512/lib/cmake
-            cmake .. -G"$BUILD_TYPE" -DCMAKE_INSTALL_PREFIX=./appdir/usr;
+            cmake .. -G"$BUILD_TYPE" -DCMAKE_INSTALL_PREFIX=./appdir/usr -DBUILD_LIBRETRO_CORE=yes;
             cmake --build .
             ctest
             cmake --build . --target install
@@ -91,13 +99,13 @@ travis_script()
             fi
         elif [ "$TARGET_OS" = "OSX" ]; then
             export CMAKE_PREFIX_PATH="$(brew --prefix qt5)"
-            cmake .. -G"$BUILD_TYPE"
+            cmake .. -G"$BUILD_TYPE" -DBUILD_LIBRETRO_CORE=yes
             cmake --build . --config Release
             ctest -C Release
             $(brew --prefix qt5)/bin/macdeployqt Source/ui_qt/Release/Play.app
             appdmg ../installer_macosx/spec.json Play.dmg
         elif [ "$TARGET_OS" = "IOS" ]; then
-            cmake .. -G"$BUILD_TYPE" -DCMAKE_TOOLCHAIN_FILE=../deps/Dependencies/cmake-ios/ios.cmake -DTARGET_IOS=ON -DBUILD_PSFPLAYER=ON
+            cmake .. -G"$BUILD_TYPE" -DCMAKE_TOOLCHAIN_FILE=../deps/Dependencies/cmake-ios/ios.cmake -DTARGET_IOS=ON -DBUILD_PSFPLAYER=ON -DBUILD_LIBRETRO_CORE=yes
             cmake --build . --config Release
             codesign -s "-" Source/ui_ios/Release-iphoneos/Play.app
             pushd ..
@@ -125,21 +133,28 @@ travis_before_deploy()
     if [ "$TARGET_OS" = "Linux" ]; then
         if [ "$TARGET_ARCH" = "x86_64" ]; then
             cp ../../build/Play*.AppImage .
+            cp ../../build/Source/ui_libretro/play_libretro.so play_libretro_linux-x86_64.so
         fi;
     fi;
     if [ "$TARGET_OS" = "Android" ]; then
-        cp ../../build_android/build/outputs/apk/release/Play-release-unsigned.apk .
+        if [ "$BUILD_LIBRETRO" = "yes" ]; then
-        export ANDROID_BUILD_TOOLS=$ANDROID_HOME/build-tools/28.0.3
+            cp ../../build_retro/play_* .
-        $ANDROID_BUILD_TOOLS/zipalign -v -p 4 Play-release-unsigned.apk Play-release.apk
+        else
-        $ANDROID_BUILD_TOOLS/apksigner sign --ks ../../installer_android/deploy.keystore --ks-key-alias deploy --ks-pass env:ANDROID_KEYSTORE_PASS --key-pass env:ANDROID_KEYSTORE_PASS Play-release.apk
+            cp ../../build_android/build/outputs/apk/release/Play-release-unsigned.apk .
+            export ANDROID_BUILD_TOOLS=$ANDROID_HOME/build-tools/28.0.3
+            $ANDROID_BUILD_TOOLS/zipalign -v -p 4 Play-release-unsigned.apk Play-release.apk
+            $ANDROID_BUILD_TOOLS/apksigner sign --ks ../../installer_android/deploy.keystore --ks-key-alias deploy --ks-pass env:ANDROID_KEYSTORE_PASS --key-pass env:ANDROID_KEYSTORE_PASS Play-release.apk
+        fi
     fi;
     if [ "$TARGET_OS" = "OSX" ]; then
         cp ../../build/Play.dmg .
+        cp ../../build/Source/ui_libretro/play_libretro.dylib play_libretro_macOS-x86_64.dylib
     fi;
     if [ "$TARGET_OS" = "IOS" ]; then
         cp ../../installer_ios/Play.ipa .
         cp ../../installer_ios/Play.deb .
         cp ../../installer_ios/Packages.bz2 .
+        cp ../../build/Source/ui_libretro/play_libretro.dylib play_libretro_iOS-FAT.dylib
     fi;
     popd
     popd

.travis.yml

@@ -43,6 +43,20 @@ matrix:
         - build-tools-28.0.3
         - android-28
         - extra-android-m2repository
+    - os: linux
+      dist: trusty
+      language: android
+      sudo: required
+      env:
+        - TARGET_OS=Android
+        - BUILD_LIBRETRO=yes
+      android:
+        components:
+        - tools
+        - platform-tools
+        - build-tools-28.0.3
+        - android-28
+        - extra-android-m2repository
 
 language: cpp
 

CMakeLists.txt

@@ -50,15 +50,12 @@ if(BUILD_PLAY)
 			add_subdirectory(Source/ui_android/)
 		endif(TARGET_PLATFORM_ANDROID)
 	endif()
-
-	if(BUILD_LIBRETRO_CORE)
-		if(NOT MSVC)
-			add_compile_options(-fPIC)
-		endif()
-		add_subdirectory(Source/ui_libretro)
-	endif()
 endif(BUILD_PLAY)
 
+if(BUILD_LIBRETRO_CORE)
+	add_subdirectory(Source/ui_libretro)
+endif()
+
 if(BUILD_TESTS)
 	enable_testing()
 

build_retro/android_build.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+if [ -z "$ANDROID_NDK" ]
+then
+	echo "Please set ANDROID_NDK and run again"
+	exit -1
+fi
+
+STRIP="${ANDROID_NDK}/toolchains/llvm/prebuilt/*/bin/llvm-strip"
+ABI_LIST="arm64-v8a armeabi-v7a x86 x86_64"
+for ABI in $ABI_LIST
+do
+	mkdir "build_$ABI"
+	pushd "build_$ABI"
+	cmake ../.. -DBUILD_LIBRETRO_CORE=yes -DBUILD_PLAY=off \
+	-GNinja \
+	-DANDROID_ABI="${ABI}" \
+	-DANDROID_NDK=${ANDROID_NDK} \
+	-DCMAKE_BUILD_TYPE=Release \
+	-DCMAKE_TOOLCHAIN_FILE=${ANDROID_NDK}/build/cmake/android.toolchain.cmake \
+	-DANDROID_NATIVE_API_LEVEL=23 \
+	-DANDROID_TOOLCHAIN=clang
+	
+	cmake --build . --target play_libretro
+
+	mv Source/ui_libretro/play_libretro.so ../play_libretro_${ABI}.so
+	${STRIP} -strip-all ../play_libretro_${ABI}.so ../play_libretro_${ABI}_stripped.so
+	popd
+done