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Don't download clang if --clang-prefix is set (#453)

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This commit is contained in:
Anthony Cowley 2018-02-14 03:03:57 -05:00 committed by Fangrui Song
parent 3d3b5dfeb3
commit d678322c39
1 changed files with 7 additions and 6 deletions
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13
wscript
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@ -212,13 +212,14 @@ def configure(ctx):
print('--use-system-clang is deprecated. Please specify --llvm-config, e.g. /usr/bin/llvm-config llvm-config-6.0')
# Do not use bundled clang+llvm
if ctx.options.llvm_config is not None:
# Ask llvm-config for cflags and ldflags
ctx.find_program(ctx.options.llvm_config, msg='checking for llvm-config', var='LLVM_CONFIG', mandatory=False)
if ctx.options.llvm_config is not None or ctx.options.clang_prefix is not None:
if ctx.options.llvm_config is not None:
# Ask llvm-config for cflags and ldflags
ctx.find_program(ctx.options.llvm_config, msg='checking for llvm-config', var='LLVM_CONFIG', mandatory=False)
ctx.env.rpath = [str(subprocess.check_output(
[ctx.options.llvm_config, '--libdir'],
stderr=subprocess.STDOUT).decode()).strip()]
ctx.env.rpath = [str(subprocess.check_output(
[ctx.options.llvm_config, '--libdir'],
stderr=subprocess.STDOUT).decode()).strip()]
if ctx.options.clang_prefix:
ctx.start_msg('Checking for clang prefix')