| """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 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'): |
| try: |
| env['LLVM_VERSION'] = env.backtick('llvm-config --version') |
| except NameError: |
| env['LLVM_VERSION'] = 'X.X' |
| |
| 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: |