X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=SConstruct;h=532001a7cf679534036da0e2c96c160047945531;hb=HEAD;hp=7a1caa32b8e91211f9e41737d164f8830c7487a5;hpb=871448ee8eff790c4ccc3250008dd71170cc78b2;p=platform%2Fupstream%2Farmcl.git diff --git a/SConstruct b/SConstruct index 7a1caa3..532001a 100644 --- a/SConstruct +++ b/SConstruct @@ -20,4 +20,242 @@ # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. -SConscript('sconscript', variant_dir='build', duplicate=0) +import SCons +import os +import subprocess + +def version_at_least(version, required): + end = min(len(version), len(required)) + + for i in range(0, end, 2): + if int(version[i]) < int(required[i]): + return False + elif int(version[i]) > int(required[i]): + return True + + return True + +vars = Variables("scons") +vars.AddVariables( + BoolVariable("debug", "Debug", False), + BoolVariable("asserts", "Enable asserts (this flag is forced to 1 for debug=1)", False), + BoolVariable("logging", "Logging (this flag is forced to 1 for debug=1)", False), + EnumVariable("arch", "Target Architecture", "armv7a", allowed_values=("armv7a", "arm64-v8a", "arm64-v8.2-a", "x86_32", "x86_64")), + EnumVariable("os", "Target OS", "linux", allowed_values=("linux", "android", "bare_metal")), + EnumVariable("build", "Build type", "cross_compile", allowed_values=("native", "cross_compile", "embed_only")), + BoolVariable("examples", "Build example programs", True), + BoolVariable("Werror", "Enable/disable the -Werror compilation flag", True), + BoolVariable("standalone", "Builds the tests as standalone executables, links statically with libgcc, libstdc++ and libarm_compute", False), + BoolVariable("opencl", "Enable OpenCL support", True), + BoolVariable("neon", "Enable Neon support", False), + BoolVariable("gles_compute", "Enable OpenGL ES Compute Shader support", False), + BoolVariable("embed_kernels", "Embed OpenCL kernels and OpenGL ES compute shaders in library binary", True), + BoolVariable("set_soname", "Set the library's soname and shlibversion (requires SCons 2.4 or above)", False), + BoolVariable("openmp", "Enable OpenMP backend", False), + BoolVariable("cppthreads", "Enable C++11 threads backend", True), + PathVariable("build_dir", "Specify sub-folder for the build", ".", PathVariable.PathAccept), + ("extra_cxx_flags", "Extra CXX flags to be appended to the build command", ""), + ("compiler_cache", "Command to prefix to the C and C++ compiler (e.g ccache)", "") +) + +env = Environment(platform="posix", variables=vars, ENV = os.environ) +env.Append(LIBPATH = ["#build/%s" % env['build_dir']]) +Export('env') +Export('vars') + +SConsignFile('build/.%s' % env['build_dir']) + +Help(vars.GenerateHelpText(env)) + +if env['build'] == "embed_only": + SConscript('./SConscript', variant_dir='#build/%s' % env['build_dir'], duplicate=0) + Return() + +if env['neon'] and 'x86' in env['arch']: + print "Cannot compile NEON for x86" + Exit(1) + +if env['set_soname'] and not version_at_least(SCons.__version__, "2.4"): + print "Setting the library's SONAME / SHLIBVERSION requires SCons 2.4 or above" + print "Update your version of SCons or use set_soname=0" + Exit(1) + +if env['os'] == 'bare_metal': + if env['cppthreads'] or env['openmp']: + print("ERROR: OpenMP and C++11 threads not supported in bare_metal. Use cppthreads=0 openmp=0") + Exit(1) + +env.Append(CXXFLAGS = ['-Wno-deprecated-declarations','-Wall','-DARCH_ARM', + '-Wextra','-Wno-unused-parameter','-pedantic','-Wdisabled-optimization','-Wformat=2', + '-Winit-self','-Wstrict-overflow=2','-Wswitch-default', + '-fpermissive','-std=gnu++11','-Wno-vla','-Woverloaded-virtual', + '-Wctor-dtor-privacy','-Wsign-promo','-Weffc++','-Wno-format-nonliteral','-Wno-overlength-strings','-Wno-strict-overflow','-Wno-implicit-fallthrough']) + +env.Append(CPPDEFINES = ['_GLIBCXX_USE_NANOSLEEP']) + +default_cpp_compiler = 'g++' if env['os'] != 'android' else 'clang++' +default_c_compiler = 'gcc' if env['os'] != 'android' else 'clang' +cpp_compiler = os.environ.get('CXX', default_cpp_compiler) +c_compiler = os.environ.get('CC', default_c_compiler) + +if env['os'] == 'android' and ( 'clang++' not in cpp_compiler or 'clang' not in c_compiler ): + print "WARNING: Only clang is officially supported to build the Compute Library for Android" + +if 'clang++' in cpp_compiler: + env.Append(CXXFLAGS = ['-Wno-format-nonliteral','-Wno-deprecated-increment-bool','-Wno-vla-extension','-Wno-mismatched-tags']) +else: + env.Append(CXXFLAGS = ['-Wlogical-op','-Wnoexcept','-Wstrict-null-sentinel']) + +if env['cppthreads']: + env.Append(CPPDEFINES = [('ARM_COMPUTE_CPP_SCHEDULER', 1)]) + +if env['openmp']: + if 'clang++' in cpp_compiler: + print "Clang does not support OpenMP. Use scheduler=cpp." + Exit(1) + + env.Append(CPPDEFINES = [('ARM_COMPUTE_OPENMP_SCHEDULER', 1)]) + env.Append(CXXFLAGS = ['-fopenmp']) + env.Append(LINKFLAGS = ['-fopenmp']) + +prefix = "" +if env['arch'] == 'armv7a': + env.Append(CXXFLAGS = ['-march=armv7-a', '-mthumb', '-mfpu=neon']) + + if env['os'] == 'linux': + prefix = "arm-linux-gnueabihf-" + env.Append(CXXFLAGS = ['-mfloat-abi=hard']) + elif env['os'] == 'bare_metal': + prefix = "arm-eabi-" + env.Append(CXXFLAGS = ['-mfloat-abi=hard']) + elif env['os'] == 'android': + prefix = "arm-linux-androideabi-" + env.Append(CXXFLAGS = ['-mfloat-abi=softfp']) +elif env['arch'] == 'arm64-v8a': + env.Append(CXXFLAGS = ['-march=armv8-a']) + env.Append(CPPDEFINES = ['ARM_COMPUTE_AARCH64_V8A','NO_DOT_IN_TOOLCHAIN']) + if env['os'] == 'linux': + prefix = "aarch64-linux-gnu-" + elif env['os'] == 'bare_metal': + prefix = "aarch64-elf-" + elif env['os'] == 'android': + prefix = "aarch64-linux-android-" + if 'clang++' in cpp_compiler: + env.Append(CXXFLAGS = ['-no-integrated-as']) +elif env['arch'] == 'arm64-v8.2-a': + env.Append(CXXFLAGS = ['-march=armv8.2-a+fp16']) # explicitly enable fp16 extension otherwise __ARM_FEATURE_FP16_VECTOR_ARITHMETIC is undefined + env.Append(CPPDEFINES = ['ARM_COMPUTE_AARCH64_V8_2','NO_DOT_IN_TOOLCHAIN']) + if 'clang++' in cpp_compiler: + env.Append(CXXFLAGS = ['-no-integrated-as']) + if env['os'] == 'linux': + prefix = "aarch64-linux-gnu-" + elif env['os'] == 'bare_metal': + prefix = "aarch64-elf-" + elif env['os'] == 'android': + prefix = "aarch64-linux-android-" +elif env['arch'] == 'x86_32': + env.Append(CCFLAGS = ['-m32']) + env.Append(LINKFLAGS = ['-m32']) +elif env['arch'] == 'x86_64': + env.Append(CCFLAGS = ['-m64']) + env.Append(LINKFLAGS = ['-m64']) + +if env['build'] == 'native': + prefix = "" + +env['CC'] = env['compiler_cache']+" "+prefix + c_compiler +env['CXX'] = env['compiler_cache']+" "+prefix + cpp_compiler +env['LD'] = prefix + "ld" +env['AS'] = prefix + "as" +env['AR'] = prefix + "ar" +env['RANLIB'] = prefix + "ranlib" + +if not GetOption("help"): + try: + compiler_ver = subprocess.check_output(env['CXX'].split() + ["-dumpversion"]).strip() + except OSError: + print("ERROR: Compiler '%s' not found" % env['CXX']) + Exit(1) + + if 'clang++' not in cpp_compiler: + if env['arch'] == 'arm64-v8.2-a' and not version_at_least(compiler_ver, '6.2.1'): + print "GCC 6.2.1 or newer is required to compile armv8.2-a code" + Exit(1) + elif env['arch'] == 'arm64-v8a' and not version_at_least(compiler_ver, '4.9'): + print "GCC 4.9 or newer is required to compile NEON code for AArch64" + Exit(1) + + if version_at_least(compiler_ver, '6.1'): + env.Append(CXXFLAGS = ['-Wno-ignored-attributes']) + + if compiler_ver == '4.8.3': + env.Append(CXXFLAGS = ['-Wno-array-bounds']) + +if env['standalone']: + env.Append(CXXFLAGS = ['-fPIC']) + env.Append(LINKFLAGS = ['-static-libgcc','-static-libstdc++']) + +if env['Werror']: + env.Append(CXXFLAGS = ['-Werror']) + +if env['os'] == 'android': + env.Append(CPPDEFINES = ['ANDROID']) + env.Append(LINKFLAGS = ['-pie', '-static-libstdc++']) +elif env['os'] == 'bare_metal': + env.Append(LINKFLAGS = ['-static']) + env.Append(LINKFLAGS = ['-specs=rdimon.specs']) + env.Append(CXXFLAGS = ['-fPIC']) + env.Append(CPPDEFINES = ['NO_MULTI_THREADING']) + env.Append(CPPDEFINES = ['BARE_METAL']) + +if env['opencl']: + if env['os'] in ['bare_metal'] or env['standalone']: + print("Cannot link OpenCL statically, which is required for bare metal / standalone builds") + Exit(1) + +if env['gles_compute']: + if env['os'] in ['bare_metal'] or env['standalone']: + print("Cannot link OpenGLES statically, which is required for bare metal / standalone builds") + Exit(1) + +if env["os"] not in ["android", "bare_metal"] and (env['opencl'] or env['cppthreads']): + env.Append(LIBS = ['pthread']) + +if env['opencl'] or env['gles_compute']: + if env['embed_kernels']: + env.Append(CPPDEFINES = ['EMBEDDED_KERNELS']) + +if env['debug']: + env['asserts'] = True + env['logging'] = True + env.Append(CXXFLAGS = ['-O0','-g','-gdwarf-2']) + env.Append(CPPDEFINES = ['ARM_COMPUTE_DEBUG_ENABLED']) +else: + env.Append(CXXFLAGS = ['-O3','-ftree-vectorize']) + +if env['asserts']: + env.Append(CPPDEFINES = ['ARM_COMPUTE_ASSERTS_ENABLED']) + env.Append(CXXFLAGS = ['-fstack-protector-strong']) + +if env['logging']: + env.Append(CPPDEFINES = ['ARM_COMPUTE_LOGGING_ENABLED']) + +env.Append(CPPPATH = ['#/include', "#"]) +env.Append(CXXFLAGS = env['extra_cxx_flags']) + +Export('version_at_least') + +if env['opencl']: + SConscript("./opencl-1.2-stubs/SConscript", variant_dir="build/%s/opencl-1.2-stubs" % env['build_dir'], duplicate=0) + +if env['gles_compute'] and env['os'] != 'android': + env.Append(CPPPATH = ['#/include/linux']) + SConscript("./opengles-3.1-stubs/SConscript", variant_dir="build/%s/opengles-3.1-stubs" % env['build_dir'], duplicate=0) + +SConscript('./SConscript', variant_dir='#build/%s' % env['build_dir'], duplicate=0) + +if env['examples'] and env['os'] != 'bare_metal': + SConscript('./examples/SConscript', variant_dir='#build/%s/examples' % env['build_dir'], duplicate=0) + +if env['os'] != 'bare_metal': + SConscript('./tests/SConscript', variant_dir='#build/%s/tests' % env['build_dir'], duplicate=0)