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")),
+ 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("embed_kernels", "Embed OpenCL kernels in library binary", 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", "")
+ ("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)
'-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'])
+ '-Wctor-dtor-privacy','-Wsign-promo','-Weffc++','-Wno-format-nonliteral','-Wno-overlength-strings','-Wno-strict-overflow','-Wno-implicit-fallthrough'])
+
env.Append(CPPDEFINES = ['_GLIBCXX_USE_NANOSLEEP'])
-if os.environ.get('CXX', 'g++') == 'clang++':
+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'])
env.Append(CPPDEFINES = [('ARM_COMPUTE_CPP_SCHEDULER', 1)])
if env['openmp']:
- if os.environ.get('CXX', 'g++') == 'clang++':
+ if 'clang++' in cpp_compiler:
print "Clang does not support OpenMP. Use scheduler=cpp."
Exit(1)
if env['arch'] == 'armv7a':
env.Append(CXXFLAGS = ['-march=armv7-a', '-mthumb', '-mfpu=neon'])
- if env['os'] in ['linux', 'bare_metal']:
+ 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'])
-
- if env['os'] in ['linux', 'bare_metal']:
+ 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+simd'])
- env.Append(CPPDEFINES = ['ARM_COMPUTE_ENABLE_FP16'])
-
- if env['os'] in ['linux', 'bare_metal']:
+ 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':
if env['build'] == 'native':
prefix = ""
-env['CC'] = prefix + os.environ.get('CC', 'gcc')
-env['CXX'] = prefix + os.environ.get('CXX', 'g++')
+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"
print("ERROR: Compiler '%s' not found" % env['CXX'])
Exit(1)
- if os.environ.get('CXX','g++') == 'g++':
+ 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)
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'])
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'] == 'bare_metal':
- print("Cannot link OpenCL statically, which is required on bare metal")
+ 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:
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('vars')
-Export('env')
Export('version_at_least')
-SConscript('./SConscript', variant_dir='#build/%s' % env['build_dir'], duplicate=0)
-
if env['opencl']:
SConscript("./opencl-1.2-stubs/SConscript", variant_dir="build/%s/opencl-1.2-stubs" % env['build_dir'], duplicate=0)
-if env['examples']:
+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)
-SConscript('./tests/SConscript', variant_dir='#build/%s/tests' % env['build_dir'], duplicate=0)
+if env['os'] != 'bare_metal':
+ SConscript('./tests/SConscript', variant_dir='#build/%s/tests' % env['build_dir'], duplicate=0)
projects / platform / upstream / armcl.git / blobdiff