def _gcc_get_libstdcxx_version(self, version):
"""Returns gcc ABI compatibility info by getting the library version of
a compiler's libstdc++ or libgcc_s"""
spec = CompilerSpec("gcc", version)
compilers = spack.compilers.compilers_for_spec(spec)
if not compilers:
return None
compiler = compilers[0]
rungcc = None
libname = None
output = None
if compiler.cxx:
rungcc = Executable(compiler.cxx)
libname = "libstdc++." + dso_suffix
elif compiler.cc:
rungcc = Executable(compiler.cc)
libname = "libgcc_s." + dso_suffix
else:
return None
try:
# Some gcc's are actually clang and don't respond properly to
# --print-file-name (they just print the filename, not the
# full path). Ignore these and expect them to be handled as clang.
if Clang.default_version(rungcc.exe[0]) != 'unknown':
return None
output = rungcc("--print-file-name=%s" % libname, output=str)
except ProcessError:
return None
if not output:
return None
libpath = os.readlink(output.strip())
if not libpath:
return None
return os.path.basename(libpath)
def _gcc_get_libstdcxx_version(self, version):
"""Returns gcc ABI compatibility info by getting the library version of
a compiler's libstdc++ or libgcc_s"""
spec = CompilerSpec("gcc", version)
compilers = spack.compilers.compilers_for_spec(spec)
if not compilers:
return None
compiler = compilers[0]
rungcc = None
libname = None
output = None
if compiler.cxx:
rungcc = Executable(compiler.cxx)
libname = "libstdc++." + dso_suffix
elif compiler.cc:
rungcc = Executable(compiler.cc)
libname = "libgcc_s." + dso_suffix
else:
return None
try:
# Some gcc's are actually clang and don't respond properly to
# --print-file-name (they just print the filename, not the
# full path). Ignore these and expect them to be handled as clang.
if Clang.default_version(rungcc.exe[0]) != 'unknown':
return None
output = rungcc("--print-file-name=%s" % libname, output=str)
except ProcessError:
return None
if not output:
return None
libpath = os.path.realpath(output.strip())
if not libpath:
return None
return os.path.basename(libpath)