1 # Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
2 # file at the top-level directory of this distribution and at
3 # http://rust-lang.org/COPYRIGHT.
5 # Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 # http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 # <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 # option. This file may not be copied, modified, or distributed
9 # except according to those terms.
15 f = open(sys.argv[1], 'wb')
17 components = sys.argv[2].split() # splits on whitespace
18 enable_static = sys.argv[3]
19 llvm_config = sys.argv[4]
20 stdcpp_name = sys.argv[5]
21 use_libcpp = sys.argv[6]
23 f.write("""// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
24 // file at the top-level directory of this distribution and at
25 // http://rust-lang.org/COPYRIGHT.
27 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
28 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
29 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
30 // option. This file may not be copied, modified, or distributed
31 // except according to those terms.
33 // WARNING: THIS IS A GENERATED FILE, DO NOT MODIFY
34 // take a look at src/etc/mklldeps.py if you're interested
39 proc = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
40 out, err = proc.communicate()
43 print("failed to run llvm_config: args = `{}`".format(args))
49 proc = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
50 out, err = proc.communicate()
59 args = [llvm_config, '--shared-mode']
60 args.extend(components)
61 llvm_shared, out = runErr(args)
63 llvm_shared = 'shared' in out
66 args = [llvm_config, '--libs', '--system-libs']
67 args.extend(components)
69 for lib in out.strip().replace("\n", ' ').split(' '):
72 # in some cases we get extra spaces in between libs so ignore those
73 if len(lib) == 1 and lib == ' ':
75 # not all libs strictly follow -lfoo, on Bitrig, there is -pthread
80 # If this actually points at a literal file then we're on MSVC which now
81 # prints full paths, so get just the name of the library and strip off the
83 elif os.path.exists(lib):
84 lib = os.path.basename(lib)[:-4]
85 elif lib[-4:] == '.lib':
87 f.write("#[link(name = \"" + lib + "\"")
88 if not llvm_shared and 'LLVM' in lib:
89 f.write(", kind = \"static\"")
93 out = run([llvm_config, '--ldflags'])
94 for lib in out.strip().split(' '):
96 f.write("#[link(name = \"" + lib[2:] + "\")]\n")
99 out = run([llvm_config, '--cxxflags'])
100 if enable_static == '1':
101 assert('stdlib=libc++' not in out)
102 f.write("#[link(name = \"" + stdcpp_name + "\", kind = \"static\")]\n")
104 # Note that we use `cfg_attr` here because on MSVC the C++ standard library
105 # is not c++ or stdc++, but rather the linker takes care of linking the
106 # right standard library.
107 if use_libcpp != "0" or 'stdlib=libc++' in out:
108 f.write("#[cfg_attr(not(target_env = \"msvc\"), link(name = \"c++\"))]\n")
110 f.write("#[cfg_attr(not(target_env = \"msvc\"), link(name = \"" + stdcpp_name + "\"))]\n")
112 # Attach everything to an extern block
113 f.write("extern {}\n")