Include waf as an extracted source directory, rather than as a one-in-a-file script.
[samba.git] / buildtools / wafadmin / Tools / gcc.py
1 #!/usr/bin/env python
2 # encoding: utf-8
3 # Thomas Nagy, 2006-2008 (ita)
4 # Ralf Habacker, 2006 (rh)
5 # Yinon Ehrlich, 2009
6
7 import os, sys
8 import Configure, Options, Utils
9 import ccroot, ar
10 from Configure import conftest
11
12 @conftest
13 def find_gcc(conf):
14         cc = conf.find_program(['gcc', 'cc'], var='CC', mandatory=True)
15         cc = conf.cmd_to_list(cc)
16         ccroot.get_cc_version(conf, cc, gcc=True)
17         conf.env.CC_NAME = 'gcc'
18         conf.env.CC      = cc
19
20 @conftest
21 def gcc_common_flags(conf):
22         v = conf.env
23
24         # CPPFLAGS CCDEFINES _CCINCFLAGS _CCDEFFLAGS
25
26         v['CCFLAGS_DEBUG'] = ['-g']
27
28         v['CCFLAGS_RELEASE'] = ['-O2']
29
30         v['CC_SRC_F']            = ''
31         v['CC_TGT_F']            = ['-c', '-o', ''] # shell hack for -MD
32         v['CPPPATH_ST']          = '-I%s' # template for adding include paths
33
34         # linker
35         if not v['LINK_CC']: v['LINK_CC'] = v['CC']
36         v['CCLNK_SRC_F']         = ''
37         v['CCLNK_TGT_F']         = ['-o', ''] # shell hack for -MD
38
39         v['LIB_ST']              = '-l%s' # template for adding libs
40         v['LIBPATH_ST']          = '-L%s' # template for adding libpaths
41         v['STATICLIB_ST']        = '-l%s'
42         v['STATICLIBPATH_ST']    = '-L%s'
43         v['RPATH_ST']            = '-Wl,-rpath,%s'
44         v['CCDEFINES_ST']        = '-D%s'
45
46         v['SONAME_ST']           = '-Wl,-h,%s'
47         v['SHLIB_MARKER']        = '-Wl,-Bdynamic'
48         v['STATICLIB_MARKER']    = '-Wl,-Bstatic'
49         v['FULLSTATIC_MARKER']   = '-static'
50
51         # program
52         v['program_PATTERN']     = '%s'
53
54         # shared library
55         v['shlib_CCFLAGS']       = ['-fPIC', '-DPIC'] # avoid using -DPIC, -fPIC aleady defines the __PIC__ macro
56         v['shlib_LINKFLAGS']     = ['-shared']
57         v['shlib_PATTERN']       = 'lib%s.so'
58
59         # static lib
60         v['staticlib_LINKFLAGS'] = ['-Wl,-Bstatic']
61         v['staticlib_PATTERN']   = 'lib%s.a'
62
63         # osx stuff
64         v['LINKFLAGS_MACBUNDLE'] = ['-bundle', '-undefined', 'dynamic_lookup']
65         v['CCFLAGS_MACBUNDLE']   = ['-fPIC']
66         v['macbundle_PATTERN']   = '%s.bundle'
67
68 @conftest
69 def gcc_modifier_win32(conf):
70         v = conf.env
71         v['program_PATTERN']     = '%s.exe'
72
73         v['shlib_PATTERN']       = '%s.dll'
74         v['implib_PATTERN']      = 'lib%s.dll.a'
75         v['IMPLIB_ST']           = '-Wl,--out-implib,%s'
76
77         dest_arch = v['DEST_CPU']
78         v['shlib_CCFLAGS'] = ['-DPIC']
79
80         v.append_value('shlib_CCFLAGS', '-DDLL_EXPORT') # TODO adding nonstandard defines like this DLL_EXPORT is not a good idea
81
82         # Auto-import is enabled by default even without this option,
83         # but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages
84         # that the linker emits otherwise.
85         v.append_value('LINKFLAGS', '-Wl,--enable-auto-import')
86
87 @conftest
88 def gcc_modifier_cygwin(conf):
89         gcc_modifier_win32(conf)
90         v = conf.env
91         v['shlib_PATTERN']       = 'cyg%s.dll'
92         v.append_value('shlib_LINKFLAGS', '-Wl,--enable-auto-image-base')
93
94 @conftest
95 def gcc_modifier_darwin(conf):
96         v = conf.env
97         v['shlib_CCFLAGS']       = ['-fPIC', '-compatibility_version', '1', '-current_version', '1']
98         v['shlib_LINKFLAGS']     = ['-dynamiclib']
99         v['shlib_PATTERN']       = 'lib%s.dylib'
100
101         v['staticlib_LINKFLAGS'] = []
102
103         v['SHLIB_MARKER']        = ''
104         v['STATICLIB_MARKER']    = ''
105         v['SONAME_ST']           = ''
106
107 @conftest
108 def gcc_modifier_aix(conf):
109         v = conf.env
110         v['program_LINKFLAGS']   = ['-Wl,-brtl']
111
112         v['shlib_LINKFLAGS']     = ['-shared','-Wl,-brtl,-bexpfull']
113
114         v['SHLIB_MARKER']        = ''
115
116 @conftest
117 def gcc_modifier_platform(conf):
118         # * set configurations specific for a platform.
119         # * the destination platform is detected automatically by looking at the macros the compiler predefines,
120         #   and if it's not recognised, it fallbacks to sys.platform.
121         dest_os = conf.env['DEST_OS'] or Utils.unversioned_sys_platform()
122         gcc_modifier_func = globals().get('gcc_modifier_' + dest_os)
123         if gcc_modifier_func:
124                         gcc_modifier_func(conf)
125
126 def detect(conf):
127         conf.find_gcc()
128         conf.find_cpp()
129         conf.find_ar()
130         conf.gcc_common_flags()
131         conf.gcc_modifier_platform()
132         conf.cc_load_tools()
133         conf.cc_add_flags()
134         conf.link_add_flags()
135