diff options
author | José Fonseca <jfonseca@vmware.com> | 2009-09-01 12:22:52 +0100 |
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committer | José Fonseca <jfonseca@vmware.com> | 2009-09-01 12:26:00 +0100 |
commit | 836a9f0ae6e03d2f92dc024703015c25a5b3c353 (patch) | |
tree | abd23ae2cd70c8f5620f51be0a2fd6276aebdde2 /scons | |
parent | 8c3f622a34fd9ecebbe3562aa803780bf1c82c9f (diff) |
scons: Tool for LLVM. Gracefully disable llvmpipe if LLVM not found.
Diffstat (limited to 'scons')
-rw-r--r-- | scons/llvm.py | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/scons/llvm.py b/scons/llvm.py new file mode 100644 index 00000000000..14306bc0feb --- /dev/null +++ b/scons/llvm.py @@ -0,0 +1,81 @@ +"""llvm + +Tool-specific initialization for LLVM + +""" + +# +# Copyright (c) 2009 VMware, Inc. +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + +import os +import os.path +import subprocess + +import SCons.Action +import SCons.Errors +import SCons.Util + + +def generate(env): + try: + llvm_dir = os.environ['LLVM'] + except KeyError: + # Do nothing -- use the system headers/libs + pass + else: + if not os.path.isdir(llvm_dir): + raise SCons.Errors.InternalError, "Specified LLVM directory not found" + + if env['debug']: + llvm_subdir = 'Debug' + else: + llvm_subdir = 'Release' + + llvm_bin_dir = os.path.join(llvm_dir, llvm_subdir, 'bin') + if not os.path.isdir(llvm_bin_dir): + raise SCons.Errors.InternalError, "LLVM build directory not found" + + env.PrependENVPath('PATH', llvm_bin_dir) + + if env.Detect('llvm-config'): + pipe = SCons.Action._subproc(env, + ['llvm-config', '--version'], + stdin = 'devnull', + stderr = 'devnull', + stdout = subprocess.PIPE) + if pipe.wait() != 0: + return + line = pipe.stdout.read().strip() + if not line: + return + env['LLVM_VERSION'] = line + + env.ParseConfig('llvm-config --cppflags') + env.ParseConfig('llvm-config --libs jit interpreter nativecodegen bitwriter') + env.ParseConfig('llvm-config --ldflags') + env['LINK'] = env['CXX'] + +def exists(env): + return True + +# vim:set ts=4 sw=4 et: |