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Added configuration checks for floating-point build flags.

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This commit is contained in:
Christoph M. Wintersteiger 2015-04-30 17:17:44 +01:00
parent 8c9afa423b
commit c0dc08ee9c
1 changed files with 29 additions and 3 deletions
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32
scripts/mk_util.py
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@ -86,6 +86,9 @@ VS_PAR_NUM=8
GPROF=False
GIT_HASH=False
FPMATH="Default"
FPMATH_FLAGS="-mfpmath=sse -msse -msse2"
def check_output(cmd):
return str(subprocess.Popen(cmd, stdout=subprocess.PIPE).communicate()[0]).rstrip('\r\n')
@ -237,6 +240,27 @@ def test_openmp(cc):
else:
return exec_compiler_cmd([cc, CPPFLAGS, 'tstomp.cpp', LDFLAGS, '-fopenmp']) == 0
def test_fpmath(cc):
global FPMATH_FLAGS
if is_verbose():
print("Testing floating point support...")
t = TempFile('tstsse.cpp')
t.add('int main() { return 42; }\n')
t.commit()
if exec_compiler_cmd([cc, CPPFLAGS, 'tstsse.cpp', LDFLAGS, '-mfpmath=sse -msse -msse2']) == 0:
FPMATH_FLAGS="-mfpmath=sse -msse -msse2"
return "SSE2-GCC"
elif exec_compiler_cmd([cc, CPPFLAGS, 'tstsse.cpp', LDFLAGS, '-msse -msse2']) == 0:
FPMATH_FLAGS="-msse -msse2"
return "SSE2-CLANG"
elif exec_compiler_cmd([cc, CPPFLAGS, 'tstsse.cpp', LDFLAGS, '-mfpu=vfp -mfloat-abi=hard']) == 0:
FPMATH_FLAGS="-mfpu=vfp -mfloat-abi=hard"
return "ARM-VFP"
else:
FPMATH_FLAGS=""
return "UNKNOWN"
def find_jni_h(path):
for root, dirs, files in os.walk(path):
for f in files:
@ -1787,7 +1811,7 @@ def mk_config():
print('OCaml Native: %s' % OCAMLOPT)
print('OCaml Library: %s' % OCAML_LIB)
else:
global CXX, CC, GMP, FOCI2, CPPFLAGS, CXXFLAGS, LDFLAGS, EXAMP_DEBUG_FLAG
global CXX, CC, GMP, FOCI2, CPPFLAGS, CXXFLAGS, LDFLAGS, EXAMP_DEBUG_FLAG, FPMATH_FLAGS
OS_DEFINES = ""
ARITH = "internal"
check_ar()
@ -1816,9 +1840,11 @@ def mk_config():
if GIT_HASH:
CPPFLAGS = '%s -DZ3GITHASH=%s' % (CPPFLAGS, GIT_HASH)
CXXFLAGS = '%s -fvisibility=hidden -c' % CXXFLAGS
FPMATH = test_fpmath(CXX)
CXXFLAGS = '%s %s' % (CXXFLAGS, FPMATH_FLAGS)
HAS_OMP = test_openmp(CXX)
if HAS_OMP:
CXXFLAGS = '%s -fopenmp -mfpmath=sse' % CXXFLAGS
CXXFLAGS = '%s -fopenmp' % CXXFLAGS
LDFLAGS = '%s -fopenmp' % LDFLAGS
SLIBEXTRAFLAGS = '%s -fopenmp' % SLIBEXTRAFLAGS
else:
@ -1871,7 +1897,6 @@ def mk_config():
CPPFLAGS = '%s -DZ3DEBUG' % CPPFLAGS
if TRACE or DEBUG_MODE:
CPPFLAGS = '%s -D_TRACE' % CPPFLAGS
CXXFLAGS = '%s -msse -msse2' % CXXFLAGS
config.write('PREFIX=%s\n' % PREFIX)
config.write('CC=%s\n' % CC)
config.write('CXX=%s\n' % CXX)
@ -1902,6 +1927,7 @@ def mk_config():
print('OpenMP: %s' % HAS_OMP)
print('Prefix: %s' % PREFIX)
print('64-bit: %s' % is64())
print('FP math: %s' % FPMATH)
if GPROF:
print('gprof: enabled')
print('Python version: %s' % distutils.sysconfig.get_python_version())