Start some tests for riscv64 builds

Signed-off-by: falkTX <falktx@falktx.com>

bootstrap-common.sh

@@ -229,6 +229,10 @@ LIBSAMPLERATE_EXTRAFLAGS="--disable-fftw"
 if [ "${CROSS_COMPILING}" -eq 1 ] || [ "${MACOS}" -eq 1 ]; then
     LIBSAMPLERATE_EXTRAFLAGS+=" --disable-sndfile"
 fi
+# force build
+if [ "${TOOLCHAIN_PREFIX}" = "riscv64-linux-gnu" ]; then
+    LIBSAMPLERATE_EXTRAFLAGS+=" ac_cv_host=riscv64-linux-gnu"
+fi
 
 download libsamplerate "${LIBSAMPLERATE_VERSION}" "${LIBSAMPLERATE_URL}"
 build_autoconf libsamplerate "${LIBSAMPLERATE_VERSION}" "${LIBSAMPLERATE_EXTRAFLAGS}"

bootstrap-plugins.sh

@@ -48,7 +48,9 @@ fi
 
 FFTW_EXTRAFLAGS="--disable-alloca --disable-fortran --with-our-malloc"
 
-if [ "${TOOLCHAIN_PREFIX}" = "aarch64-linux-gnu" ]; then
+if [ "${TOOLCHAIN_PREFIX}" = "riscv64-linux-gnu" ]; then
+    FFTW_EXTRAFLAGS+=" --with-slow-timer"
+elif [ "${TOOLCHAIN_PREFIX}" = "aarch64-linux-gnu" ]; then
     FFTW_EXTRAFLAGS+=" --with-slow-timer"
     FFTW_EXTRAFLAGS+=" --enable-neon"
 elif [ "${TOOLCHAIN_PREFIX}" = "arm-linux-gnueabihf" ]; then
@@ -315,8 +317,15 @@ fi # PAWPAW_SKIP_FLUIDSYNTH
 # ---------------------------------------------------------------------------------------------------------------------
 # mxml
 
+MXML_EXTRAFLAGS=""
+
+# force build
+if [ "${TOOLCHAIN_PREFIX}" = "riscv64-linux-gnu" ]; then
+    MXML_EXTRAFLAGS+=" ac_cv_host=riscv64-linux-gnu"
+fi
+
 git_clone mxml "${MXML_VERSION}" "${MXML_URL}"
-build_autoconf mxml "${MXML_VERSION}"
+build_autoconf mxml "${MXML_VERSION}" "${MXML_EXTRAFLAGS}"
 
 # ---------------------------------------------------------------------------------------------------------------------
 # carla (backend only)

setup/check_target.sh

@@ -80,6 +80,13 @@ function check_target() {
             # TOOLCHAIN_PREFIX="i686-linux-gnu"
             # TOOLCHAIN_PREFIX_="${TOOLCHAIN_PREFIX}-"
             ;;
+        "linux-riscv64")
+            GCC=1
+            CROSS_COMPILING=1
+            LINUX=1
+            TOOLCHAIN_PREFIX="riscv64-linux-gnu"
+            TOOLCHAIN_PREFIX_="${TOOLCHAIN_PREFIX}-"
+            ;;
         "native")
             target=$(uname -s)
             check_target

setup/env.sh

@@ -64,7 +64,9 @@ BUILD_FLAGS+=" -fPIC -DPIC -DNDEBUG"
 BUILD_FLAGS+=" -fdata-sections -ffunction-sections -fno-common -fvisibility=hidden"
 
 if [ "${GCC}" -eq 1 ]; then
-    BUILD_FLAGS+=" -fprefetch-loop-arrays"
+    if [ "${TOOLCHAIN_PREFIX}" != "riscv64-linux-gnu" ]; then
+        BUILD_FLAGS+=" -fprefetch-loop-arrays"
+    fi
     BUILD_FLAGS+=" -fno-gnu-unique"
 fi
 
@@ -78,7 +80,7 @@ fi
 
 if [ "${TOOLCHAIN_PREFIX}" = "arm-linux-gnueabihf" ]; then
     BUILD_FLAGS+=" -mfpu=neon-vfpv4 -mfloat-abi=hard"
-elif [ "${TOOLCHAIN_PREFIX}" != "aarch64-linux-gnu" ]; then
+elif [ "${TOOLCHAIN_PREFIX}" != "aarch64-linux-gnu" ] && [ "${TOOLCHAIN_PREFIX}" != "riscv64-linux-gnu" ]; then
     BUILD_FLAGS+=" -mtune=generic -msse -msse2"
     if [ "${WASM}" -eq 1 ]; then
         BUILD_FLAGS+=" -msse3 -msimd128"