Rewrite Android CI Pipeline (#875)

.azure/azure-pipelines-android.yml

@@ -0,0 +1,614 @@
+parameters:
+- name: UseCache
+  displayName: Use Dependency Cache
+  type: boolean
+  default: true
+  values:
+  - true
+  - false
+
+schedules:
+- cron: "0 0 * * 1"
+  displayName: 'Weekly Monday Midnight build without caching'
+  branches:
+    include:
+    - master
+  always: true
+
+variables:
+  ICONV_VERSION: '1.16'
+  # Use recent master libffi, because 3.3 is broken: checking host system type... Invalid configuration `arm-none-linux-eabi': machine `arm-none-linux' not recognized
+  FFI_VERSION: 'dd5bd03075149d7cf8441875c1a344e8beb57dde'
+  GETTEXT_VERSION: '0.21'
+  #need to switch to meson build system to use a more recent version 
+  GLIB_VERSION: '2.58'
+  GLIB_EXTRAVERSION: '3'
+  OBOE_VERSION: '1.5.0'
+  SNDFILE_VERSION: '1.0.31'
+  INSTPATCH_VERSION: '1.1.6'
+  VORBIS_VERSION: '1.3.7'
+  OGG_VERSION: '1.3.4'
+  # flac 1.3.3 is completely broken: pkgconfig is incorrectly installed, compilation failure, etc.; use recent master instead
+  FLAC_VERSION: '27c615706cedd252a206dd77e3910dfa395dcc49'
+
+  # Android NDK sources and standalone toolchain is put here
+  DEV: '$(System.DefaultWorkingDirectory)/android-build-root'
+
+  # This is a symlink pointing to the real Android NDK
+  # Must be the same as $ANDROID_NDK_HOME see:
+  # https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-README.md
+  NDK: '/usr/local/lib/android/sdk/ndk-bundle'
+
+  # All the built binaries, libs and their headers will be installed here
+  PREFIX: '$(DEV)/opt/android'
+
+  # The path of standalone NDK toolchain
+  # Refer to https://developer.android.com/ndk/guides/standalone_toolchain.html
+  NDK_TOOLCHAIN: '$(NDK)/toolchains/llvm/prebuilt/linux-x86_64/'
+
+  # Don't mix up .pc files from your host and build target
+  PKG_CONFIG_PATH: '$(PREFIX)/lib/pkgconfig'
+  # setting PKG_CONFIG_PATH alone does not seem to be enough to avoid mixing up with the host, also set PKG_CONFIG_LIBDIR
+  PKG_CONFIG_LIBDIR: '$(PKG_CONFIG_PATH)'
+
+  # Set Android target API level
+  # when compiling with clang use at least 28 as this makes sure that android provides the posix_spawn functions, so the compilation of gettext will (should) work out of the box
+  # it's probably a bug of gettext, if posix_spawn is not available it replaces it with its own implementation. Autotools of gettext set HAVE_POSIX_SPAWN==0 (which is correct) but for some reason REPLACE_POSIX_SPAWN==0 (which is wrong, as it should be 1).
+  # 
+  # NOTE: API 24 is required because it provides fseeko() and ftello() required by libflac
+  ANDROID_API: '24'
+
+  # Tell configure what flags Android requires.
+  # Turn Wimplicit-function-declaration into errors. Else autotools will be fooled when checking for available functions (that in fact are NOT available) and compilation will fail later on.
+  # Also disable clangs integrated assembler, as the hand written assembly of libffi is not recognized by it, cf. https://crbug.com/801303
+  CFLAGS: "-fPIE -fPIC -I$(PREFIX)/include --sysroot=$(NDK_TOOLCHAIN)/sysroot -I$(NDK_TOOLCHAIN)/sysroot/usr/include -Werror=implicit-function-declaration -fno-integrated-as"
+  CXXFLAGS: $(CFLAGS)
+  CPPFLAGS: $(CXXFLAGS)
+
+  ARTIFACT_NAME: 'fluidsynth-android$(ANDROID_API)'
+
+jobs:
+- job: Android
+  strategy:
+    matrix:
+      ARM:
+        ARCH: 'arm'
+        ANDROID_ARCH: 'armv7a'
+        ANDROID_ABI_CMAKE: 'armeabi-v7a'
+        ANDROID_TARGET_ABI: "eabi"
+        # the --target to be used by autotools
+        #AUTOTOOLS_TARGET: "$(ARCH)-linux-android$(ANDROID_TARGET_ABI)"
+        AUTOTOOLS_TARGET: "$(ARCH)-none-linux-$(ANDROID_TARGET_ABI)"
+      AARCH64:
+        ARCH: 'aarch64'
+        ANDROID_ARCH: 'aarch64'
+        ANDROID_ABI_CMAKE: 'arm64-v8a'
+        ANDROID_TARGET_ABI:
+        #AUTOTOOLS_TARGET: "$(ARCH)-none-linux-android"
+        AUTOTOOLS_TARGET: "$(ARCH)-none-linux"
+      i686:
+        ARCH: 'i686'
+        ANDROID_ARCH: 'i686'
+        ANDROID_ABI_CMAKE: 'x86'
+        ANDROID_TARGET_ABI:
+        #AUTOTOOLS_TARGET: "$(ARCH)-pc-linux-android"
+        AUTOTOOLS_TARGET: "$(ARCH)-pc-linux"
+      x86_64:
+        ARCH: 'x86_64'
+        ANDROID_ARCH: 'x86_64'
+        ANDROID_ABI_CMAKE: 'x86_64'
+        ANDROID_TARGET_ABI:
+        #AUTOTOOLS_TARGET: "$(ARCH)-pc-linux-android"
+        AUTOTOOLS_TARGET: "$(ARCH)-pc-linux"
+
+  pool:
+    vmImage: 'ubuntu-20.04'
+
+  steps:
+    - script: |
+        set -ex
+        mkdir -p $(DEV)
+      displayName: 'mkdir $(DEV)'
+
+    - script: |
+        set -ex
+
+        wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-${ICONV_VERSION}.tar.gz
+        tar zxf libiconv-${ICONV_VERSION}.tar.gz
+
+        wget -O libffi-${FFI_VERSION}.tar.gz https://github.com/libffi/libffi/archive/${FFI_VERSION}.tar.gz
+        tar zxf libffi-${FFI_VERSION}.tar.gz
+
+        wget http://ftp.gnu.org/pub/gnu/gettext/gettext-${GETTEXT_VERSION}.tar.gz
+        tar zxf gettext-${GETTEXT_VERSION}.tar.gz
+
+        wget http://ftp.gnome.org/pub/gnome/sources/glib/${GLIB_VERSION}/glib-${GLIB_VERSION}.${GLIB_EXTRAVERSION}.tar.xz
+        tar xf glib-${GLIB_VERSION}.${GLIB_EXTRAVERSION}.tar.xz
+
+        wget -O oboe-${OBOE_VERSION}.tar.gz https://github.com/google/oboe/archive/${OBOE_VERSION}.tar.gz
+        tar zxf oboe-${OBOE_VERSION}.tar.gz
+
+        wget https://github.com/libsndfile/libsndfile/releases/download/${SNDFILE_VERSION}/libsndfile-${SNDFILE_VERSION}.tar.bz2
+        tar jxf libsndfile-${SNDFILE_VERSION}.tar.bz2
+
+        wget -O libinstpatch-${INSTPATCH_VERSION}.tar.gz https://github.com/swami/libinstpatch/archive/refs/tags/v${INSTPATCH_VERSION}.tar.gz
+        tar zxf libinstpatch-${INSTPATCH_VERSION}.tar.gz
+
+        wget https://github.com/xiph/vorbis/releases/download/v${VORBIS_VERSION}/libvorbis-${VORBIS_VERSION}.tar.gz
+        tar zxf libvorbis-${VORBIS_VERSION}.tar.gz
+
+        wget https://github.com/xiph/ogg/releases/download/v${OGG_VERSION}/libogg-${OGG_VERSION}.tar.gz
+        tar zxf libogg-${OGG_VERSION}.tar.gz
+
+        wget -O flac-${FLAC_VERSION}.tar.gz https://github.com/xiph/flac/archive/${FLAC_VERSION}.tar.gz
+        tar xf flac-${FLAC_VERSION}.tar.gz
+
+      displayName: 'Download Dependencies'
+      workingDirectory: $(DEV)
+
+    - task: Cache@2
+      inputs:
+        key: '$(ARCH) | $(DEV)/*.tar.gz | cacheVersion1'
+        path: '$(PREFIX)'
+        cacheHitVar: 'CACHE_RESTORED'
+      displayName: 'Cache fluidsynth dependency libraries'
+      condition: and(not(in(variables['Build.Reason'], 'Schedule')), ${{ parameters.useCache }})
+
+    - script: |
+        set -ex
+
+        sudo apt remove --purge --auto-remove cmake
+        wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | sudo tee /etc/apt/trusted.gpg.d/kitware.gpg >/dev/null
+        sudo apt-add-repository 'deb https://apt.kitware.com/ubuntu/ focal main'
+      displayName: 'Use recent CMake Version'
+      condition: ne(variables.CACHE_RESTORED, 'true')
+      enabled: 'false'
+
+    - script: |
+        sudo apt-get update -y
+      displayName: 'Update apt'
+      condition: ne(variables.CACHE_RESTORED, 'true')
+
+    - script: |
+        set -ex
+        sudo -E apt-get -yq --no-install-suggests --no-install-recommends install gettext cmake zlib1g-dev autogen automake autoconf libtool pkg-config autotools-dev build-essential meson ninja-build
+      displayName: 'apt-get install'
+      condition: ne(variables.CACHE_RESTORED, 'true')
+
+    - script: |
+        set -e
+
+        # The cross-compile toolchain we use
+        export ANDROID_TARGET=${ARCH}-linux-android${ANDROID_TARGET_ABI}
+        echo "##vso[task.setvariable variable=ANDROID_TARGET]$ANDROID_TARGET"
+
+        export ANDROID_TARGET_API=${ANDROID_ARCH}-linux-android${ANDROID_TARGET_ABI}${ANDROID_API}
+        echo "##vso[task.setvariable variable=ANDROID_TARGET_API]$ANDROID_TARGET_API"
+
+        # Add the standalone toolchain to the search path.
+        export PATH=$PATH:${PREFIX}/bin:${PREFIX}/lib:${PREFIX}/include:${NDK_TOOLCHAIN}/bin
+        echo "##vso[task.setvariable variable=PATH]$PATH"
+        
+        LIBPATH0=$(PREFIX)/lib
+        LIBPATH1=$(NDK_TOOLCHAIN)/sysroot/usr/lib
+        LIBPATH2=$(NDK_TOOLCHAIN)/sysroot/usr/lib/$(ARCH)-linux-android$(ANDROID_TARGET_ABI)/$(ANDROID_API)
+        LIBPATH3=$(NDK_TOOLCHAIN)/sysroot/usr/lib/$(ARCH)-linux-android$(ANDROID_TARGET_ABI)
+
+        export LDFLAGS="-pie -Wl,-rpath-link=${LIBPATH1} -L${LIBPATH1} -Wl,-rpath-link=${LIBPATH2} -L${LIBPATH2} -Wl,-rpath-link=${LIBPATH3} -L${LIBPATH3} -Wl,-rpath-link=${LIBPATH0} -L${LIBPATH0}"
+        echo "##vso[task.setvariable variable=LDFLAGS]$LDFLAGS"
+
+        # Tell configure what tools to use.
+        export AR=${ANDROID_TARGET}-ar
+        echo "##vso[task.setvariable variable=AR]$AR"
+        export AS=${ANDROID_TARGET_API}-clang
+        echo "##vso[task.setvariable variable=AS]$AS"
+        export CC=${ANDROID_TARGET_API}-clang
+        echo "##vso[task.setvariable variable=CC]$CC"
+        export CXX=${ANDROID_TARGET_API}-clang++
+        echo "##vso[task.setvariable variable=CXX]$CXX"
+        export LD=ld.lld
+        echo "##vso[task.setvariable variable=LD]$LD"
+        export STRIP=${ANDROID_TARGET}-strip
+        echo "##vso[task.setvariable variable=STRIP]$STRIP"
+        export RANLIB=${ANDROID_TARGET}-ranlib
+        echo "##vso[task.setvariable variable=RANLIB]$RANLIB"
+
+      displayName: 'Set environment variables'
+
+    - script: |
+        set -ex
+
+        pushd libiconv-${ICONV_VERSION}
+        ./configure \
+          --host=${AUTOTOOLS_TARGET} \
+          --prefix=${PREFIX} \
+          --disable-rpath \
+          --disable-static \
+          --enable-shared \
+          --with-pic \
+          --disable-maintainer-mode \
+          --disable-silent-rules \
+          --disable-gtk-doc \
+          --disable-introspection \
+          --disable-nls
+        make -j$((`nproc`+1))
+        make install
+        popd
+  
+      displayName: 'Compile libiconv'
+      workingDirectory: $(DEV)
+      condition: ne(variables.CACHE_RESTORED, 'true')
+
+    - script: |
+        set -ex
+
+        pushd libffi-${FFI_VERSION}
+        NOCONFIGURE=true autoreconf -v -i
+        # install headers into the conventional ${PREFIX}/include rather than ${PREFIX}/lib/libffi-3.2.1/include.
+        #sed -e '/^includesdir/ s/$(libdir).*$/$(includedir)/' -i include/Makefile.in
+        #sed -e '/^includedir/ s/=.*$/=@includedir@/' -e 's/^Cflags: -I${includedir}/Cflags:/' -i libffi.pc.in
+        ./configure --host=${AUTOTOOLS_TARGET} --prefix=${PREFIX} --enable-shared --disable-static
+        make -j$((`nproc`+1))
+        make install
+        popd
+      displayName: 'Compile libffi'
+      workingDirectory: $(DEV)
+      condition: ne(variables.CACHE_RESTORED, 'true')
+
+    - script: |
+        set -ex
+        export PKGCFG=`which pkg-config`
+        pushd glib-${GLIB_VERSION}.${GLIB_EXTRAVERSION}
+
+        cat << EOF > cross-file.txt
+        [host_machine]
+        system = 'android'
+        cpu_family = 'arm'
+        cpu = 'arm'
+        endian = 'little'
+
+        [binaries]
+        c = '${CC}'
+        cpp = '${CXX}'
+        ar = '${AR}'
+        ld = '${LD}'
+        strip = '${STRIP}'
+        pkgconfig = '${PKGCFG}'
+
+        [built-in options]
+        c_std = 'c11'
+        c_args = ['-fPIC','-I/home/git/work/ndk/builddir/out/include']
+        cpp_args = ['-fPIC','-I/home/git/work/ndk/builddir/out/include']
+        c_link_args = ['-fPIE','-L/home/git/work/ndk/builddir/out/lib']
+
+        pkg_config_path = '${PKG_CONFIG_PATH}'
+        EOF
+
+        cat << EOF > native-file.txt
+        [host_machine]
+        system = 'linux'
+        cpu_family = 'x86_64'
+        cpu = 'x86_64'
+        endian = 'little'
+
+        [properties]
+
+        [binaries]
+        c = ['false']
+        cpp = ['false']
+        objc = ['false']
+        objcpp = ['false']
+        ar = ['false']
+        pkgconfig = ['false']
+        cmake = ['false']
+        EOF
+
+        cat native-file.txt
+        cat cross-file.txt
+
+        unset AR
+        unset AS
+        unset CC
+        unset CFLAGS
+        unset CPPFLAGS
+        unset CPP
+        unset CXXFLAGS
+        unset CXX
+        unset LDFLAGS
+        unset LD
+        unset STRIP
+
+        meson \
+          --cross-file cross-file.txt \
+          --native-file native-file.txt \
+          --prefix=${PREFIX} \
+          --libdir=lib \
+          -Ddebug=false \
+          --default-library=both \
+          -Doptimization=s \
+          --backend=ninja \
+          --wrap-mode=nodownload \
+          -Dinternal_pcre=true \
+          -Dlibmount=false \
+          -Ddtrace=false \
+          -Diconv=auto \
+          -Dxattr=false \
+          -Dgtk_doc=false \
+          _builddir \
+          .
+        ninja
+        popd
+      displayName: 'Compile glib (meson)'
+      workingDirectory: $(DEV)
+      enabled: 'false'
+
+    - script: |
+        pushd glib-${GLIB_VERSION}.${GLIB_EXTRAVERSION}
+        cat _builddir/meson-logs/meson-log.txt
+        popd
+      displayName: 'Meson LOG'
+      workingDirectory: $(DEV)
+      condition: failed()
+      enabled: 'false'
+
+    - script: |
+        set -ex
+
+        pushd gettext-${GETTEXT_VERSION}
+        ./configure \
+          --host=${AUTOTOOLS_TARGET} \
+          --prefix=${PREFIX} \
+          --disable-rpath \
+          --disable-libasprintf \
+          --disable-java \
+          --disable-native-java \
+          --disable-openmp \
+          --disable-curses \
+          --disable-static \
+          --enable-shared \
+          --with-pic  \
+          --disable-maintainer-mode \
+          --disable-silent-rules \
+          --disable-gtk-doc \
+          --disable-introspection
+        make -j$((`nproc`+1))
+        make install
+        popd
+      displayName: 'Compile gettext'
+      workingDirectory: $(DEV)
+      condition: ne(variables.CACHE_RESTORED, 'true')
+
+    - script: |
+        set -ex
+
+        pushd glib-${GLIB_VERSION}.${GLIB_EXTRAVERSION}
+        cat << EOF > android.cache
+        glib_cv_long_long_format=ll
+        glib_cv_stack_grows=no
+        glib_cv_sane_realloc=yes
+        glib_cv_have_strlcpy=no
+        glib_cv_va_val_copy=yes
+        glib_cv_rtldglobal_broken=no
+        glib_cv_uscore=no
+        glib_cv_monotonic_clock=no
+        ac_cv_func_nonposix_getpwuid_r=no
+        ac_cv_func_posix_getpwuid_r=no
+        ac_cv_func_posix_getgrgid_r=no
+        glib_cv_use_pid_surrogate=yes
+        ac_cv_func_printf_unix98=no
+        ac_cv_func_vsnprintf_c99=yes
+        ac_cv_func_realloc_0_nonnull=yes
+        ac_cv_func_realloc_works=yes
+        EOF
+
+        # Unfortunately, libffi is not linked against libgobject when compiling for aarch64, leading to the following error:
+        #
+        # /bin/bash ../libtool  --tag=CC   --mode=link aarch64-linux-android23-clang -Wall -Wstrict-prototypes -Wno-bad-function-cast -Werror=declaration-after-statement -Werror=missing-prototypes -Werror=implicit-function-declaration -Werror=pointer-arith -Werror=init-self -Werror=format=2 -Werror=missing-include-dirs -fPIE -fPIC -I/home/vsts/work/1/s/android-build-root/opt/android/include --sysroot=/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot -I/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot/include -Werror=implicit-function-declaration -fno-integrated-as -fno-strict-aliasing  -pie -Wl,-rpath-link=-I/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot/usr/lib -L/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot/usr/lib -L/home/vsts/work/1/s/android-build-root/opt/android/lib -L/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//lib -o gobject-query gobject-query.o ./libgobject-2.0.la ../glib/libglib-2.0.la -lintl -liconv  
+        # libtool: link: aarch64-linux-android23-clang -Wall -Wstrict-prototypes -Wno-bad-function-cast -Werror=declaration-after-statement -Werror=missing-prototypes -Werror=implicit-function-declaration -Werror=pointer-arith -Werror=init-self -Werror=format=2 -Werror=missing-include-dirs -fPIE -fPIC -I/home/vsts/work/1/s/android-build-root/opt/android/include --sysroot=/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot -I/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot/include -Werror=implicit-function-declaration -fno-integrated-as -fno-strict-aliasing -pie -Wl,-rpath-link=-I/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot/usr/lib -o .libs/gobject-query gobject-query.o  -L/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//sysroot/usr/lib -L/home/vsts/work/1/s/android-build-root/opt/android/lib -L/usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//lib ./.libs/libgobject-2.0.so ../glib/.libs/libglib-2.0.so /home/vsts/work/1/s/android-build-root/opt/android/lib/libintl.so /home/vsts/work/1/s/android-build-root/opt/android/lib/libiconv.so -pthread -L/home/vsts/work/1/s/android-build-root/opt/android/lib
+        # /usr/local/lib/android/sdk/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64//bin/../lib/gcc/aarch64-linux-android/4.9.x/../../../../aarch64-linux-android/bin/ld: warning: libffi.so, needed by ./.libs/libgobject-2.0.so, not found (try using -rpath or -rpath-link)
+        # ./.libs/libgobject-2.0.so: undefined reference to `ffi_type_sint32@LIBFFI_BASE_8.0'
+        # ./.libs/libgobject-2.0.so: undefined reference to `ffi_prep_cif@LIBFFI_BASE_8.0'
+        #
+        # So, just add it to LDFLAGS to make sure it's always linked.
+        # libz.so is also missing...
+        #FFILIB=`pkg-config --libs libffi`
+        #echo ${FFILIB}
+        #export LDFLAGS="${LDFLAGS} ${FFILIB} -lz"
+        #unset FFILIB
+
+        chmod a-x android.cache
+        NOCONFIGURE=true ./autogen.sh
+        ./configure \
+          --host=${ANDROID_TARGET} \
+          --prefix=${PREFIX} \
+          --disable-dependency-tracking \
+          --cache-file=android.cache \
+          --enable-included-printf \
+          --with-pcre=no \
+          --enable-libmount=no \
+          --enable-xattr=no \
+          --with-libiconv=gnu \
+          --disable-static \
+          --enable-shared \
+          --with-pic \
+          --disable-maintainer-mode \
+          --disable-silent-rules
+        make -j$((`nproc`+1))
+        make install
+        popd
+      displayName: 'Compile glib'
+      workingDirectory: $(DEV)
+      condition: ne(variables.CACHE_RESTORED, 'true')
+
+    - template: cmake-android.yml
+      parameters:
+        sourceDir: 'libogg-$(OGG_VERSION)'
+        cmakeArgs: '-DINSTALL_DOCS=0'
+
+    - script: |
+        ls -la libogg-${OGG_VERSION}/build/CMakeFiles/
+        cat libogg-${OGG_VERSION}/build/CMakeFiles/CMakeError.log
+        true
+      displayName: 'Print OGG Cmake Error Log'
+      condition: always()
+      workingDirectory: $(DEV)
+
+    - template: cmake-android.yml
+      parameters:
+        sourceDir: 'libvorbis-$(VORBIS_VERSION)'
+
+    - script: |
+        ls -la libvorbis-${VORBIS_VERSION}/build/CMakeFiles/
+        cat libvorbis-${VORBIS_VERSION}/build/CMakeFiles/CMakeError.log
+        true
+      displayName: 'Print Vorbis Cmake Error Log'
+      condition: always()
+      workingDirectory: $(DEV)
+
+    # flac uses c99 macros, but doesnt specify a standard, so we need to do it explicitly.
+    # On i686, they invoke yasm with -fstack-protector-strong flag... turn off asm optimizations.
+    - template: cmake-android.yml
+      parameters:
+        sourceDir: 'flac-$(FLAC_VERSION)'
+        cmakeArgs: '-DCMAKE_C_STANDARD=99 -DCMAKE_C_STANDARD_REQUIRED=1 -DWITH_ASM=0 -DBUILD_CXXLIBS=0 -DBUILD_PROGRAMS=0 -DBUILD_EXAMPLES=0 -DBUILD_DOCS=0 -DINSTALL_MANPAGES=0'
+
+    - script: |
+        ls -la flac-${FLAC_VERSION}/build/CMakeFiles/
+        cat flac-${FLAC_VERSION}/build/CMakeFiles/CMakeError.log
+        true
+      displayName: 'Print FLAC Cmake Error Log'
+      condition: always()
+      workingDirectory: $(DEV)
+
+    - template: cmake-android.yml
+      parameters:
+        sourceDir: 'libsndfile-$(SNDFILE_VERSION)'
+        cmakeArgs: '-DBUILD_PROGRAMS=0 -DBUILD_EXAMPLES=0'
+
+    - script: |
+        ls -la libsndfile-${SNDFILE_VERSION}/build/CMakeFiles/
+        cat libsndfile-${SNDFILE_VERSION}/build/CMakeFiles/CMakeError.log
+        true
+      displayName: 'Print libsndfile Cmake Error Log'
+      condition: always()
+      workingDirectory: $(DEV)
+
+    - template: cmake-android.yml
+      parameters:
+        sourceDir: 'oboe-$(OBOE_VERSION)'
+        installCommand: 'cp liboboe.* ${PREFIX}/lib/ && cp -ur ../include/oboe ${PREFIX}/include'
+  
+    - script: |
+        set -ex
+
+        # create a custom pkgconfig file for oboe to allow fluidsynth to find it
+        cat << EOF > ${PKG_CONFIG_PATH}/oboe-1.0.pc
+        prefix=${PREFIX}
+        exec_prefix=\${prefix}
+        libdir=\${prefix}/lib
+        includedir=\${prefix}/include
+
+        Name: Oboe
+        Description: Oboe library
+        Version: ${OBOE_VERSION}
+        Libs: -L\${libdir} -loboe -landroid -llog
+        Cflags: -I\${includedir}
+        EOF
+
+        cat ${PKG_CONFIG_PATH}/oboe-1.0.pc
+
+      displayName: 'Create fake oboe.pc'
+      workingDirectory: $(DEV)
+      condition: ne(variables.CACHE_RESTORED, 'true')
+
+    - template: cmake-android.yml
+      parameters:
+        sourceDir: 'libinstpatch-$(INSTPATCH_VERSION)'
+
+    # finally, compile fluidsynth
+    - template: cmake-android.yml
+      parameters:
+        workDir: '$(System.DefaultWorkingDirectory)'
+        sourceDir: '.'
+        condition: succeeded()
+        cmakeArgs: '-Denable-opensles=1 -Denable-floats=1 -Denable-oboe=1 -Denable-dbus=0 -Denable-oss=0'
+        installCommand: ''
+
+    - script: |
+        set -x
+        export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:$(PREFIX)/lib:$(NDK_TOOLCHAIN)/sysroot/usr/lib/$(ARCH)-linux-android$(ANDROID_TARGET_ABI)/$(ANDROID_API)
+        pushd build
+        make -j$((`nproc`+1)) check
+        ldd test/test_sample_cache
+        popd
+      displayName: 'Execute fluidsynth unit test'
+      condition: and(succeeded(), in(variables['ARCH'], 'x86_64', 'i686'))
+      enabled: 'false'
+
+    - script: |
+        set -ex
+        pushd build
+        make install
+        popd
+      displayName: 'Install fluidsynth'
+
+    - template: cmake-android.yml
+      parameters:
+        workDir: '$(System.DefaultWorkingDirectory)/doc/android/fluidsynth-assetloader/'
+        sourceDir: '.'
+        condition: succeeded()
+        installCommand: 'cp *.so ${PREFIX}/lib/'
+      
+
+    - script: |
+        ls -Rg $(PREFIX)
+      displayName: 'Show cross-compiled files in $(PREFIX)'
+      condition: always()
+
+    - script: |
+        set -ex
+        mkdir -p $(Build.ArtifactStagingDirectory)/$(ARCH)
+        cd $(Build.ArtifactStagingDirectory)/$(ARCH)
+        cp -a $(PREFIX)/lib/* .
+        ls -Rg .
+        rm -rf *.dll *.alias gettext/ libtextstyle.* *.a *.la
+      displayName: 'Collecting artifacts'
+    
+    - script: |
+        set -ex
+        ls libFLAC.so
+        ls libcharset.so
+        ls libffi.so
+        ls libfluidsynth-assetloader.so
+        ls libfluidsynth.so
+        ls libgio-2.0.so
+        ls libglib-2.0.so
+        ls libgmodule-2.0.so
+        ls libgobject-2.0.so
+        ls libgthread-2.0.so
+        ls libiconv.so
+        ls libinstpatch-1.0.so
+        ls libintl.so
+        ls liboboe.so
+        ls libogg.so
+        ls libsndfile.so
+        ls libvorbis.so
+        ls libvorbisenc.so
+        ls libvorbisfile.so
+      displayName: 'Verify all libs exist'
+      workingDirectory: '$(PREFIX)/lib'
+
+    - task: PublishBuildArtifacts@1
+      displayName: 'Publishing Artefacts for Android API$(ANDROID_API) $(ARCH)'
+      inputs:
+        PathtoPublish: '$(Build.ArtifactStagingDirectory)'
+        ArtifactName: '$(ARTIFACT_NAME)'
+        publishLocation: 'Container'
+
+    - script: |
+        set -ex
+        # as very last step before creating the pipeline cache, remove fluidsynth
+        pushd build
+        make uninstall
+        popd
+      displayName: 'Uninstall fluidsynth'

.azure/cmake-android.yml

@@ -0,0 +1,57 @@
+
+parameters:
+- name: cmakeArgs
+  type: string
+  default: ''
+- name: sourceDir
+  type: string
+  default: ''
+- name: workDir
+  type: string
+  default: $(DEV)
+- name: condition
+  type: string
+  default: ne(variables.CACHE_RESTORED, 'true')
+- name: installCommand
+  type: string
+  default: 'make install'
+
+steps:
+- script: |
+    set -ex
+
+    pushd ${{ parameters.sourceDir }}
+    mkdir -p build
+    pushd build
+    
+    # Invoke cmake in the most correctest way I've could find while try and erroring:
+    #
+    # The biggest pain point is that CMake does not seem to respect our existing cross compilation CFLAGS and LDFLAGS.
+    # Hence we are passing them manually, once via Android flags and once for "Required" flags. The latter is necessary
+    # to let cmake correctly probe for any existing header, function, library, etc.
+    # Watch out: Sometimes the flags are passed as ;-limited list!
+    cmake -G "Unix Makefiles" \
+        -DCMAKE_MAKE_PROGRAM=make \
+        -DCMAKE_TOOLCHAIN_FILE=${NDK}/build/cmake/android.toolchain.cmake \
+        -DANDROID_NATIVE_API_LEVEL=${ANDROID_API} \
+        -DANDROID_ABI=${ANDROID_ABI_CMAKE} \
+        -DANDROID_TOOLCHAIN=${CC} \
+        -DANDROID_NDK=${NDK} \
+        -DANDROID_COMPILER_FLAGS="${CFLAGS// /;}" \
+        -DANDROID_LINKER_FLAGS="${LDFLAGS// /;}" \
+        -DANDROID_STL="c++_shared" \
+        -DCMAKE_REQUIRED_FLAGS="${CFLAGS}" \
+        -DCMAKE_REQUIRED_LINK_OPTIONS="${LDFLAGS// /;}" \
+        -DCMAKE_INSTALL_PREFIX=${PREFIX} \
+        -DCMAKE_STAGING_PREFIX=${PREFIX} \
+        -DCMAKE_VERBOSE_MAKEFILE=1 \
+        -DBUILD_SHARED_LIBS=1 \
+        -DLIB_SUFFIX="" \
+        ${{ parameters.cmakeArgs }} ..
+    make -j$((`nproc`+1))
+    ${{ parameters.installCommand }}
+    popd
+    popd
+  displayName: 'Compile ${{ parameters.sourceDir }}'
+  workingDirectory: ${{ parameters.workDir }}
+  condition: ${{ parameters.condition }}

.circleci/config.yml

@@ -30,6 +30,7 @@ jobs:
           working_directory: doc/android
           command: |
             export TERM=dumb
+            export VERBOSE=1
             echo Starting `nproc` parallel jobs
             make -f Makefile.android prepare
       - run:
@@ -52,6 +53,11 @@ jobs:
           working_directory: doc/android
           command: |
             ls -R
+            mv ./external/cerbero/build/logs dist/
+            cp ./external/cerbero/build/sources/android_armv7/glib-2.62.6/_builddir/meson*.txt dist/armeabi-v7a/
+            cp ./external/cerbero/build/sources/android_arm64/glib-2.62.6/_builddir/meson*.txt dist/arm64-v8a/
+            cp ./external/cerbero/build/sources/android_x86/glib-2.62.6/_builddir/meson*.txt dist/x86/
+            cp ./external/cerbero/build/sources/android_x86_64/glib-2.62.6/_builddir/meson*.txt dist/x86_64/
       - run:
           name: Zip FluidSynth Android Distribution
           working_directory: doc/android

README.md

@@ -7,7 +7,8 @@
 | <img src="https://www.microsoft.com/windows/favicon.ico" height="25" alt=""> **Windows** | [![Build Status](https://dev.azure.com/tommbrt/tommbrt/_apis/build/status/FluidSynth.fluidsynth.Win?branchName=master)](https://dev.azure.com/tommbrt/tommbrt/_build/latest?definitionId=3&branchName=master) |
 | <img src="https://www.microsoft.com/windows/favicon.ico" height="25" alt=""> **Windows (vcpkg)** | [![Build Status](https://dev.azure.com/tommbrt/tommbrt/_apis/build/status/FluidSynth.fluidsynth.vcpkg?branchName=master)](https://dev.azure.com/tommbrt/tommbrt/_build/latest?definitionId=6&branchName=master) |
 | <img src="https://www.apple.com/favicon.ico" height="30" alt=""> **MacOSX** | [![Build Status](https://dev.azure.com/tommbrt/tommbrt/_apis/build/status/FluidSynth.fluidsynth.macOS?branchName=master)](https://dev.azure.com/tommbrt/tommbrt/_build/latest?definitionId=5&branchName=master) |
-| <img src="https://www.android.com/favicon.ico" height="30" alt=""> **Android** | [![CircleCI](https://circleci.com/gh/FluidSynth/fluidsynth/tree/master.svg?style=shield)](https://circleci.com/gh/FluidSynth/fluidsynth) |
+| <img src="https://www.android.com/favicon.ico" height="30" alt=""> **Android** | [![Build Status](https://dev.azure.com/tommbrt/tommbrt/_apis/build/status/FluidSynth.fluidsynth.Android?branchName=master)](https://dev.azure.com/tommbrt/tommbrt/_build/latest?definitionId=4&branchName=master) |
+| <img src="https://www.android.com/favicon.ico" height="30" alt=""> **Android** (legacy Cerbero) | [![CircleCI](https://circleci.com/gh/FluidSynth/fluidsynth/tree/master.svg?style=shield)](https://circleci.com/gh/FluidSynth/fluidsynth) |