Add RISC-V and PPC64EL Linux builds.

Author: enzo1982

.github/workflows/continuous-build-linux.yml

@@ -36,6 +36,18 @@ jobs:
             pkgarch: arm64
             dependencies: g++-aarch64-linux-gnu nasm qemu qemu-user-static wget yasm
 
+          - os: ubuntu-20.04
+            arch: riscv64
+            host: riscv64-linux-gnu
+            pkgarch: riscv64
+            dependencies: g++-riscv64-linux-gnu nasm qemu qemu-user-static wget yasm meson
+
+          - os: ubuntu-20.04
+            arch: ppc64el
+            host: powerpc64le-linux-gnu
+            pkgarch: ppc64el
+            dependencies: g++-powerpc64le-linux-gnu nasm qemu qemu-user-static wget yasm meson
+
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -61,7 +73,7 @@ jobs:
           sudo apt update
           sudo apt install -y --allow-downgrades libgd3=2.2.5-5.2ubuntu2.4 libodbc1=2.3.6-0.1build1 libpcre2-8-0=10.34-7ubuntu0.1 libpcre2-16-0=10.34-7ubuntu0.1 libpcre2-32-0=10.34-7ubuntu0.1 libpcre2-dev=10.34-7ubuntu0.1
           sudo apt install -y ${{ matrix.dependencies }}
-          sudo apt install -y adwaita-icon-theme gnome-icon-theme libasound2-dev:${{ matrix.pkgarch }} libfuse2:${{ matrix.pkgarch }} libgdk-pixbuf2.0-dev:${{ matrix.pkgarch }} libgtk-3-dev:${{ matrix.pkgarch }} libncurses-dev:${{ matrix.pkgarch }} libpulse-dev:${{ matrix.pkgarch }} libssl-dev:${{ matrix.pkgarch }} libudev-dev:${{ matrix.pkgarch }}
+          sudo apt install -y adwaita-icon-theme gnome-icon-theme libasound2-dev:${{ matrix.pkgarch }} libgdk-pixbuf2.0-dev:${{ matrix.pkgarch }} libgtk-3-dev:${{ matrix.pkgarch }} libncurses-dev:${{ matrix.pkgarch }} libpulse-dev:${{ matrix.pkgarch }} libssl-dev:${{ matrix.pkgarch }} libudev-dev:${{ matrix.pkgarch }} libzstd-dev:${{ matrix.pkgarch }}
 
       - name: Prepare toolchain
         if: ${{ matrix.arch != 'i686' && matrix.arch != 'x86_64' }}

.github/workflows/patches/appimage-type2-runtime-build.patch

@@ -0,0 +1,20 @@
+diff -Naur type2-runtime/src/runtime/Makefile type2-runtime-build/src/runtime/Makefile
+--- type2-runtime/src/runtime/Makefile	2024-12-21 07:54:48.000000000 +0100
++++ type2-runtime-build/src/runtime/Makefile	2025-02-10 21:56:32.860399400 +0100
+@@ -1,12 +1,12 @@
+ GIT_COMMIT := $(shell cat version)
+-CC            = clang
+-CFLAGS        = -std=gnu99 -Os -D_FILE_OFFSET_BITS=64 -DGIT_COMMIT=\"$(GIT_COMMIT)\" -T data_sections.ld -ffunction-sections -fdata-sections -Wl,--gc-sections -static -Wall -Werror -static-pie
+-LIBS          = -lsquashfuse -lsquashfuse_ll -lzstd -lz -lfuse3
++CC            = gcc
++CFLAGS        = -std=gnu99 -Os -D_FILE_OFFSET_BITS=64 -DGIT_COMMIT=\"$(GIT_COMMIT)\" -T data_sections.ld -ffunction-sections -fdata-sections -Wl,--gc-sections -static -Wall
++LIBS          = -lsquashfuse -lsquashfuse_ll -lzstd -lz -lfuse3 -ldl -lpthread
+ 
+ all: runtime
+ 
+ runtime: runtime.c
+-	$(CC) -I/usr/local/include/squashfuse -I/usr/include/fuse3 $(CFLAGS) $^ $(LIBS) -o $@
++	$(CC) -I/usr/local/include -I/usr/local/include/fuse3 $(CFLAGS) $^ $(LIBS) -o $@
+ 
+ clean:
+ 	rm -f runtime

.github/workflows/tools/build-appimage

@@ -22,6 +22,10 @@ elif [ "$AppImageArch" = armhf ]; then
   export HOST=arm-linux-gnueabihf
 elif [ "$AppImageArch" = aarch64 ]; then
   export HOST=aarch64-linux-gnu
+elif [ "$AppImageArch" = riscv64 ]; then
+  export HOST=riscv64-linux-gnu
+elif [ "$AppImageArch" = ppc64el ]; then
+  export HOST=powerpc64le-linux-gnu
 fi
 
 # Build libcdio
@@ -190,16 +194,47 @@ fi
 
 strip --strip-all appdir/lib*.so*
 
-# Create AppImage using appimagetool
-wget -c -nv "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-$AppImageArch.AppImage"
-chmod a+x appimagetool-$AppImageArch.AppImage
+# Build custom AppImage runtime
+if [[ "$AppImageArch" = riscv64 || "$AppImageArch" = ppc64el ]]; then
+  # Check out AppImage runtime
+  git clone --depth=1 https://github.com/AppImage/type2-runtime.git
+
+  # Build custom libfuse3
+  git clone --depth=1 --branch=fuse-3.16.2 https://github.com/libfuse/libfuse.git
+  cd libfuse
+  patch -p1 < ../type2-runtime/patches/libfuse/mount.c.diff
+  mkdir build
+  cd build
+  meson setup -D default_library=both ..
+  ninja && sudo ninja install
+  cd ../..
+
+  # Build libsquashfuse
+  git clone --depth=1 --branch=0.5.2 https://github.com/vasi/squashfuse.git
+  cd squashfuse
+  export pkgconfig_fuse3_CFLAGS="-I/usr/local/include/fuse3"
+  export pkgconfig_fuse3_LIBS="-L/usr/local/lib/$HOST -lfuse3 -lpthread"
+  autoreconf -i
+  ./configure
+  make && sudo make install
+  sudo cp fuseprivate.h /usr/local/include/squashfuse
+  cd ..
+
+  # Build AppImage runtime
+  cd type2-runtime
+  patch -p1 < ../.github/workflows/patches/appimage-type2-runtime-build.patch
+  cd src/runtime
+  make
+  cd ../../..
+fi
 
-if [ "$AppImageArch" = armhf ]; then
-  qemu-arm-static ./appimagetool-$AppImageArch.AppImage appdir freac-continuous-${OS,,}-$AppImageArch.AppImage
-elif [ "$AppImageArch" = aarch64 ]; then
-  qemu-aarch64-static ./appimagetool-$AppImageArch.AppImage appdir freac-continuous-${OS,,}-$AppImageArch.AppImage
+# Create AppImage using appimagetool
+wget -c -nv "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage"
+chmod a+x appimagetool-x86_64.AppImage
+if [[ "$AppImageArch" = riscv64 || "$AppImageArch" = ppc64el ]]; then
+  ARCH=x86_64 ./appimagetool-x86_64.AppImage --runtime-file=type2-runtime/src/runtime/runtime appdir freac-continuous-${OS,,}-$AppImageArch.AppImage
 else
-  ARCH=$AppImageArch ./appimagetool-$AppImageArch.AppImage appdir freac-continuous-${OS,,}-$AppImageArch.AppImage
+  ARCH=$AppImageArch ./appimagetool-x86_64.AppImage appdir freac-continuous-${OS,,}-$AppImageArch.AppImage
 fi
 
 # Upload AppImage to GitHub

Makefile-options

@@ -39,13 +39,17 @@ else ifneq ($(findstring mips,$(MACHINE)),)
 	ifneq ($(BUILD_MIPS),False)
 		BUILD_MIPS = True
 	endif
+else ifneq ($(findstring powerpc64,$(MACHINE)),)
+	ifneq ($(BUILD_PPC64),False)
+		BUILD_PPC64 = True
+	endif
 else ifneq ($(findstring powerpc,$(MACHINE)),)
 	ifneq ($(BUILD_PPC),False)
 		BUILD_PPC = True
 	endif
-else ifneq ($(findstring powerpc64,$(MACHINE)),)
-	ifneq ($(BUILD_PPC64),False)
-		BUILD_PPC64 = True
+else ifneq ($(findstring riscv64,$(MACHINE)),)
+	ifneq ($(BUILD_RISCV64),False)
+		BUILD_RISCV64 = True
 	endif
 else ifneq ($(findstring x86_64,$(MACHINE)),)
 	ifneq ($(BUILD_ARM64),True)
@@ -63,7 +67,7 @@ else ifneq ($(findstring amd64,$(MACHINE)),)
 	endif
 	endif
 	endif
-else
+else ifneq ($(findstring i586,$(MACHINE))$(findstring i686,$(MACHINE)),)
 	ifneq ($(BUILD_ARM64),True)
 	ifneq ($(BUILD_X86),False)
 	ifneq ($(BUILD_X86_64),True)

Readme

@@ -163,6 +163,8 @@ History
 
 	Version 1.1.8 (February 2025)
 
+		- added Linux AppImage packages for the RISC-V and PPC64EL architectures
+
 		- Improvements
 
 			- moved encoding to separate thread for improved performance

Readme.de

@@ -162,6 +162,8 @@ Geschichte
 
 	Version 1.1.8 (Februar 2025)
 
+		- Linux AppImage-Pakete für die Architekturen RISC-V und PPC64EL hinzugefügt
+
 		- Verbesserungen
 
 			- Verarbeitungsgeschwindigkeit durch Umstellung auf separaten Kodierungsthread verbessert

src/freac.cpp

@@ -56,9 +56,9 @@ String	 freac::freac::architecture   = "ARM";
 String	 freac::freac::architecture   = "ARM64";
 #elif defined __mips__
 String	 freac::freac::architecture   = "MIPS";
-#elif defined __ppc__
+#elif defined __ppc__ || defined __powerpc__
 String	 freac::freac::architecture   = "PPC";
-#elif defined __ppc64__
+#elif defined __ppc64__ || defined __powerpc64__
 String	 freac::freac::architecture   = "PPC64";
 #elif defined __riscv
 String	 freac::freac::architecture   = "RISC-V";

tools/build-codecs

@@ -71,7 +71,13 @@ elif [[ $machine == *aarch64* ]]; then
 elif [[ $machine == *arm* ]]; then
   cflags="$cflags -I/usr/local/include -march=armv7-a+simd"
   arm=true
-else
+elif [[ $machine == *riscv64* ]]; then
+  cflags="$cflags -I/usr/local/include -march=rv64gc"
+  riscv64=true
+elif [[ $machine == *powerpc64le* ]]; then
+  cflags="$cflags -I/usr/local/include -mcpu=powerpc64le"
+  ppc64el=true
+elif [[ $machine == *i586* || $machine == *i686* ]] || [[ $BUILD_X86 == True ]]; then
   cflags="$cflags -m32 -march=pentium4"
   ldflags="-m32"
   x86=true
@@ -94,6 +100,10 @@ if [[ $uname == Linux ]]; then
     host="aarch64-linux-gnu"
   elif [[ $arm == true ]]; then
     host="arm-linux-gnueabihf"
+  elif [[ $riscv64 == true ]]; then
+    host="riscv64-linux-gnu"
+  elif [[ $ppc64el == true ]]; then
+    host="powerpc64le-linux-gnu"
   fi
 fi
 
@@ -203,6 +213,9 @@ vorbis_location=https://ftp.osuosl.org/pub/xiph/releases/vorbis/libvorbis-$vorbi
 wavpack_location=https://www.wavpack.com/wavpack-$wavpack_version.tar.bz2
 
 # Patch locations
+ffmpeg_patches=(https://freac.org/patches/ffmpeg-$ffmpeg_version-riscv.patch)
+ffmpeg_patch_levels=(1)
+
 lame_patches=(https://freac.org/patches/lame-$lame_version-sse-20171014.diff https://freac.org/patches/lame-$lame_version-fastcrc.diff)
 lame_patch_levels=(0 1)
 
@@ -410,14 +423,20 @@ for package in ${packages[@]}; do
 
   elif [ $package == ffmpeg ]; then
     # Build ffmpeg
+    patches=${ffmpeg_patches[@]}
+    patch_levels=(${ffmpeg_patch_levels[@]})
     export CFLAGS="$cflags"
     configure_flags="--disable-autodetect --disable-doc --enable-gpl --enable-small --enable-runtime-cpudetect"
-    if [[ $arm == true || $arm64 == true ]] && [[ `uname -m` == x86_64 ]]; then
+    if [[ $arm == true || $arm64 == true || $riscv64 == true || $ppc64el == true ]] && [[ `uname -m` == x86_64 ]]; then
       host_flags="--enable-cross-compile"
-      if [[ $arm == true ]]; then
-        host_flags="$host_flags --arch=arm"
-      else
+      if [[ $arm64 == true ]]; then
         host_flags="$host_flags --arch=aarch64"
+      elif [[ $arm == true ]]; then
+        host_flags="$host_flags --arch=arm"
+      elif [[ $riscv64 == true ]]; then
+        host_flags="$host_flags --arch=riscv"
+      elif [[ $ppc64el == true ]]; then
+        host_flags="$host_flags --arch=ppc64"
       fi
       if [[ $uname == Linux ]]; then
         host_flags="$host_flags --target-os=linux"
@@ -447,11 +466,9 @@ for package in ${packages[@]}; do
 
   elif [ $package == flac ]; then
     # Build FLAC
-    patches=${flac_patches[@]}
-    patch_levels=(${flac_patch_levels[@]})
     export CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=0"
     configure_flags="--disable-cpplibs --disable-doxygen-docs"
-    if [[ $x86_64 == true ]] || [[ $arm64 == true ]]; then
+    if [[ $x86_64 == true ]] || [[ $arm64 == true ]] || [[ $riscv64 == true ]] || [[ $ppc64el == true ]]; then
       if [[ $uname == *MINGW* ]]; then
         prepare="sed -i -e \"s/#undef FLAC__CPU_IA32//\" config.h.in"
         prepare="$prepare; sed -i -e \"s/ARCH_SUBDIRS = ia32/ARCH_SUBDIRS =/\" src/libFLAC/Makefile.in"