summaryrefslogtreecommitdiffstats
path: root/Tools/freeze/winmakemakefile.py
blob: 7d198c152fafe7e9c4e78c23a5d4cc59c2a4e65c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
import sys, os

# Template used then the program is a GUI program
WINMAINTEMPLATE = """
#include <windows.h>

int WINAPI WinMain(
    HINSTANCE hInstance,      // handle to current instance
    HINSTANCE hPrevInstance,  // handle to previous instance
    LPSTR lpCmdLine,          // pointer to command line
    int nCmdShow              // show state of window
    )
{
    extern int Py_FrozenMain(int, char **);
    PyImport_FrozenModules = _PyImport_FrozenModules;
    return Py_FrozenMain(__argc, __argv);
}
"""

SERVICETEMPLATE = """
extern int PythonService_main(int, char **);

int main( int argc, char **argv)
{
    PyImport_FrozenModules = _PyImport_FrozenModules;
    return PythonService_main(argc, argv);
}
"""

subsystem_details = {
    # -s flag        : (C entry point template), (is it __main__?), (is it a DLL?)
    'console'        : (None,                    1,                 0),
    'windows'        : (WINMAINTEMPLATE,         1,                 0),
    'service'        : (SERVICETEMPLATE,         0,                 0),
    'com_dll'        : ("",                      0,                 1),
}

def get_custom_entry_point(subsystem):
    try:
        return subsystem_details[subsystem][:2]
    except KeyError:
        raise ValueError("The subsystem %s is not known" % subsystem)


def makemakefile(outfp, vars, files, target):
    save = sys.stdout
    try:
        sys.stdout = outfp
        realwork(vars, files, target)
    finally:
        sys.stdout = save

def realwork(vars, moddefns, target):
    version_suffix = "%r%r" % sys.version_info[:2]
    print("# Makefile for Microsoft Visual C++ generated by freeze.py script")
    print()
    print('target = %s' % target)
    print('pythonhome = %s' % vars['prefix'])
    print()
    print('DEBUG=0 # Set to 1 to use the _d versions of Python.')
    print('!IF $(DEBUG)')
    print('debug_suffix=_d')
    print('c_debug=/Zi /Od /DDEBUG /D_DEBUG')
    print('l_debug=/DEBUG')
    print('temp_dir=Build\\Debug')
    print('!ELSE')
    print('debug_suffix=')
    print('c_debug=/Ox')
    print('l_debug=')
    print('temp_dir=Build\\Release')
    print('!ENDIF')
    print()

    print('# The following line assumes you have built Python using the standard instructions')
    print('# Otherwise fix the following line to point to the library.')
    print('pythonlib = "$(pythonhome)/pcbuild/python%s$(debug_suffix).lib"' % version_suffix)
    print()

    # We only ever write one "entry point" symbol - either
    # "main" or "WinMain".  Therefore, there is no need to
    # pass a subsystem switch to the linker as it works it
    # out all by itself.  However, the subsystem _does_ determine
    # the file extension and additional linker flags.
    target_link_flags = ""
    target_ext = ".exe"
    if subsystem_details[vars['subsystem']][2]:
        target_link_flags = "-dll"
        target_ext = ".dll"


    print("# As the target uses Python%s.dll, we must use this compiler option!" % version_suffix)
    print("cdl = /MD")
    print()
    print("all: $(target)$(debug_suffix)%s" % (target_ext))
    print()

    print('$(temp_dir):')
    print('  if not exist $(temp_dir)\. mkdir $(temp_dir)')
    print()

    objects = []
    libs = ["shell32.lib", "comdlg32.lib", "wsock32.lib", "user32.lib", "oleaut32.lib"]
    for moddefn in moddefns:
        print("# Module", moddefn.name)
        for file in moddefn.sourceFiles:
            base = os.path.basename(file)
            base, ext = os.path.splitext(base)
            objects.append(base + ".obj")
            print('$(temp_dir)\%s.obj: "%s"' % (base, file))
            print("\t@$(CC) -c -nologo /Fo$* $(cdl) $(c_debug) /D BUILD_FREEZE", end=' ')
            print('"-I$(pythonhome)/Include"  "-I$(pythonhome)/PC" \\')
            print("\t\t$(cflags) $(cdebug) $(cinclude) \\")
            extra = moddefn.GetCompilerOptions()
            if extra:
                print("\t\t%s \\" % (' '.join(extra),))
            print('\t\t"%s"' % file)
            print()

        # Add .lib files this module needs
        for modlib in moddefn.GetLinkerLibs():
            if modlib not in libs:
                libs.append(modlib)

    print("ADDN_LINK_FILES=", end=' ')
    for addn in vars['addn_link']: print('"%s"' % (addn), end=' ')
    print() ; print()

    print("OBJS=", end=' ')
    for obj in objects: print('"$(temp_dir)\%s"' % (obj), end=' ')
    print() ; print()

    print("LIBS=", end=' ')
    for lib in libs: print('"%s"' % (lib), end=' ')
    print() ; print()

    print("$(target)$(debug_suffix)%s: $(temp_dir) $(OBJS)" % (target_ext))
    print("\tlink -out:$(target)$(debug_suffix)%s %s" % (target_ext, target_link_flags), end=' ')
    print("\t$(OBJS) \\")
    print("\t$(LIBS) \\")
    print("\t$(ADDN_LINK_FILES) \\")
    print("\t$(pythonlib) $(lcustom) $(l_debug)\\")
    print("\t$(resources)")
    print()
    print("clean:")
    print("\t-rm -f *.obj")
    print("\t-rm -f $(target).exe")