Merge branch 'master' of github.com:/atgreen/libffi
[libffi.git] / generate-ios-source-and-headers.py
1 #!/usr/bin/env python
2
3 import subprocess
4 import re
5 import os
6 import errno
7 import collections
8 import sys
9
10 class Platform(object):
11 pass
12
13 sdk_re = re.compile(r'.*-sdk ([a-zA-Z0-9.]*)')
14
15 def sdkinfo(sdkname):
16 ret = {}
17 for line in subprocess.Popen(['xcodebuild', '-sdk', sdkname, '-version'], stdout=subprocess.PIPE).stdout:
18 kv = line.strip().split(': ', 1)
19 if len(kv) == 2:
20 k,v = kv
21 ret[k] = v
22 return ret
23
24 sim_sdk_info = sdkinfo('iphonesimulator')
25 device_sdk_info = sdkinfo('iphoneos')
26
27 def latest_sdks():
28 latest_sim = None
29 latest_device = None
30 for line in subprocess.Popen(['xcodebuild', '-showsdks'], stdout=subprocess.PIPE).stdout:
31 match = sdk_re.match(line)
32 if match:
33 if 'Simulator' in line:
34 latest_sim = match.group(1)
35 elif 'iOS' in line:
36 latest_device = match.group(1)
37
38 return latest_sim, latest_device
39
40 sim_sdk, device_sdk = latest_sdks()
41
42 class simulator_platform(Platform):
43 sdk='iphonesimulator'
44 arch = 'i386'
45 name = 'simulator'
46 triple = 'i386-apple-darwin10'
47 sdkroot = sim_sdk_info['Path']
48
49 prefix = "#if !defined(__arm__) && defined(__i386__)\n\n"
50 suffix = "\n\n#endif"
51
52 class device_platform(Platform):
53 sdk='iphoneos'
54 name = 'ios'
55 arch = 'armv7'
56 triple = 'arm-apple-darwin10'
57 sdkroot = device_sdk_info['Path']
58
59 prefix = "#ifdef __arm__\n\n"
60 suffix = "\n\n#endif"
61
62
63 def move_file(src_dir, dst_dir, filename, file_suffix=None, prefix='', suffix=''):
64 if not os.path.exists(dst_dir):
65 os.makedirs(dst_dir)
66
67 out_filename = filename
68
69 if file_suffix:
70 split_name = os.path.splitext(filename)
71 out_filename = "%s_%s%s" % (split_name[0], file_suffix, split_name[1])
72
73 with open(os.path.join(src_dir, filename)) as in_file:
74 with open(os.path.join(dst_dir, out_filename), 'w') as out_file:
75 if prefix:
76 out_file.write(prefix)
77
78 out_file.write(in_file.read())
79
80 if suffix:
81 out_file.write(suffix)
82
83 headers_seen = collections.defaultdict(set)
84
85 def move_source_tree(src_dir, dest_dir, dest_include_dir, arch=None, prefix=None, suffix=None):
86 for root, dirs, files in os.walk(src_dir, followlinks=True):
87 relroot = os.path.relpath(root,src_dir)
88
89 def move_dir(arch, prefix='', suffix='', files=[]):
90 for file in files:
91 file_suffix = None
92 if file.endswith('.h'):
93 if dest_include_dir:
94 file_suffix = arch
95 if arch:
96 headers_seen[file].add(arch)
97 move_file(root, dest_include_dir, file, arch, prefix=prefix, suffix=suffix)
98
99 elif dest_dir:
100 outroot = os.path.join(dest_dir, relroot)
101 move_file(root, outroot, file, prefix=prefix, suffix=suffix)
102
103 if relroot == '.':
104 move_dir(arch=arch,
105 files=files,
106 prefix=prefix,
107 suffix=suffix)
108 elif relroot == 'arm':
109 move_dir(arch='arm',
110 prefix="#ifdef __arm__\n\n",
111 suffix="\n\n#endif",
112 files=files)
113 elif relroot == 'x86':
114 move_dir(arch='i386',
115 prefix="#if !defined(__arm__) && defined(__i386__)\n\n",
116 suffix="\n\n#endif",
117 files=files)
118
119 def build_target(platform):
120 def xcrun_cmd(cmd):
121 return subprocess.check_output(['xcrun', '-sdk', platform.sdkroot, '-find', cmd]).strip()
122
123 build_dir = 'build_' + platform.name
124 if not os.path.exists(build_dir):
125 os.makedirs(build_dir)
126 env = dict(CC=xcrun_cmd('clang'),
127 LD=xcrun_cmd('ld'),
128 CFLAGS='-arch %s -isysroot %s -miphoneos-version-min=4.0' % (platform.arch, platform.sdkroot))
129 working_dir=os.getcwd()
130 try:
131 os.chdir(build_dir)
132 subprocess.check_call(['../configure', '-host', platform.triple], env=env)
133 move_source_tree('.', None, '../ios/include',
134 arch=platform.arch,
135 prefix=platform.prefix,
136 suffix=platform.suffix)
137 move_source_tree('./include', None, '../ios/include',
138 arch=platform.arch,
139 prefix=platform.prefix,
140 suffix=platform.suffix)
141 finally:
142 os.chdir(working_dir)
143
144 for header_name, archs in headers_seen.iteritems():
145 basename, suffix = os.path.splitext(header_name)
146
147 def main():
148 move_source_tree('src', 'ios/src', 'ios/include')
149 move_source_tree('include', None, 'ios/include')
150 build_target(simulator_platform)
151 build_target(device_platform)
152
153 for header_name, archs in headers_seen.iteritems():
154 basename, suffix = os.path.splitext(header_name)
155 with open(os.path.join('ios/include', header_name), 'w') as header:
156 for arch in archs:
157 header.write('#include <%s_%s%s>\n' % (basename, arch, suffix))
158
159 if __name__ == '__main__':
160 main()