Add build scripts

CMakeLists.txt

@@ -453,8 +453,8 @@ if(NOT DISABLE_DYNAMIC_CODE)
       src/codegen_sse.h
     )
   else()
-    message(WARNING "Dynamic code is only supported with x64, disabling dynamic code.")
-    set(DISABLE_DYNAMIC_CODE ON)
+    #message(WARNING "Dynamic code is only supported with x64, disabling dynamic code.")
+    #set(DISABLE_DYNAMIC_CODE ON)
   endif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
 endif(NOT DISABLE_DYNAMIC_CODE)
 

build/android-armv7/build.sh

@@ -0,0 +1,28 @@
+#! /bin/bash
+
+if [ -z $NDK ]; then
+    echo "ERROR: \$NDK must be set to the path to the Android NDK."
+    exit 1
+fi
+
+echo Using NDK at $NDK.
+
+NDK_MAKE=$NDK/prebuilt/windows-x86_64/bin/make.exe
+
+cmake \
+    -G "Unix Makefiles" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_MAKE_PROGRAM=$NDK_MAKE \
+    -DCMAKE_TOOLCHAIN_FILE=$NDK/build/cmake/android.toolchain.cmake \
+    -DANDROID_ABI=armeabi-v7a \
+    -DANDROID_ARM_MODE=arm \
+    -DANDROID_ARM_NEON=TRUE \
+    -DANDROID_PLATFORM=16 \
+    -DANDROID_STL=c++_static \
+    -DDISABLE_DYNAMIC_CODE=FALSE \
+    -DENABLE_VFP=FALSE \
+    -DENABLE_NEON=TRUE \
+    -DENABLE_STATIC=TRUE \
+    ../..
+
+$NDK_MAKE ffts_static

build/android-armv8/build.sh

@@ -0,0 +1,26 @@
+#! /bin/bash
+
+if [ -z $NDK ]; then
+    echo "ERROR: \$NDK must be set to the path to the Android NDK."
+    exit 1
+fi
+
+echo Using NDK at $NDK.
+
+NDK_MAKE=$NDK/prebuilt/windows-x86_64/bin/make.exe
+
+cmake \
+    -G "Unix Makefiles" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_MAKE_PROGRAM=$NDK_MAKE \
+    -DCMAKE_TOOLCHAIN_FILE=$NDK/build/cmake/android.toolchain.cmake \
+    -DANDROID_ABI=arm64-v8a \
+    -DANDROID_PLATFORM=21 \
+    -DANDROID_STL=c++_static \
+    -DDISABLE_DYNAMIC_CODE=TRUE \
+    -DENABLE_VFP=FALSE \
+    -DENABLE_NEON=FALSE \
+    -DENABLE_STATIC=TRUE \
+    ../..
+
+$NDK_MAKE ffts_static

build/android-x64/build.sh

@@ -0,0 +1,24 @@
+#! /bin/bash
+
+if [ -z $NDK ]; then
+    echo "ERROR: \$NDK must be set to the path to the Android NDK."
+    exit 1
+fi
+
+echo Using NDK at $NDK.
+
+NDK_MAKE=$NDK/prebuilt/windows-x86_64/bin/make.exe
+
+cmake \
+    -G "Unix Makefiles" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_MAKE_PROGRAM=$NDK_MAKE \
+    -DCMAKE_TOOLCHAIN_FILE=$NDK/build/cmake/android.toolchain.cmake \
+    -DANDROID_ABI=x86_64 \
+    -DANDROID_PLATFORM=21 \
+    -DANDROID_STL=c++_static \
+    -DDISABLE_DYNAMIC_CODE=TRUE \
+    -DENABLE_STATIC=TRUE \
+    ../..
+
+$NDK_MAKE ffts_static

build/android-x86/build.sh

@@ -0,0 +1,24 @@
+#! /bin/bash
+
+if [ -z $NDK ]; then
+    echo "ERROR: \$NDK must be set to the path to the Android NDK."
+    exit 1
+fi
+
+echo Using NDK at $NDK.
+
+NDK_MAKE=$NDK/prebuilt/windows-x86_64/bin/make.exe
+
+cmake \
+    -G "Unix Makefiles" \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_MAKE_PROGRAM=$NDK_MAKE \
+    -DCMAKE_TOOLCHAIN_FILE=$NDK/build/cmake/android.toolchain.cmake \
+    -DANDROID_ABI=x86 \
+    -DANDROID_PLATFORM=21 \
+    -DANDROID_STL=c++_static \
+    -DDISABLE_DYNAMIC_CODE=TRUE \
+    -DENABLE_STATIC=TRUE \
+    ../..
+
+$NDK_MAKE ffts_static

src/ffts.c

@@ -116,7 +116,11 @@ ffts_flush_instruction_cache(void *start, size_t length)
 #ifdef __APPLE__
     sys_icache_invalidate(start, length);
 #elif __ANDROID__
+#if defined(__aarch64__) || defined(__i386__) || defined(__amd64__)
+    __builtin___clear_cache(start, (char*) start + length);
+#else
     cacheflush((long) start, (long) start + length, 0);
+#endif
 #elif __linux__
 #if GCC_VERSION_AT_LEAST(4,3)
     __builtin___clear_cache(start, (char*) start + length);