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6a809565 JH |
1 | #!/usr/bin/perl |
2 | ||
3 | ############################################################################## | |
4 | # | |
5 | # Ok, so there is this buildsystem that has variables set in shell | |
6 | # like this: | |
7 | # | |
8 | # cc='gcc' | |
9 | # | |
10 | # This means we can go | |
11 | # | |
e42fa77b | 12 | # if test "${AR+set}" != set; then |
6a809565 JH |
13 | # ar='arm-linux-ar' |
14 | # else | |
15 | # ar=${AR} | |
16 | # fi | |
17 | # | |
18 | # Right??? WRONG! | |
19 | # | |
20 | # Damn perl installation *PARSES* and *PATTERN MATCHES* this file. | |
21 | # | |
22 | ############################################################################## | |
23 | ||
24 | my $config = shift; | |
25 | ||
26 | my $sys = $ENV{SYS}; | |
27 | ||
28 | my $callbacks = {}; | |
29 | $callbacks->{'ar'} = [\&simple_process, ["AR", "arm-linux-ar"]]; | |
30 | $callbacks->{'archname'} = [\&simple_process, ["SYS", "armv4l-linux"]]; | |
31 | $callbacks->{'cc'} = [\&simple_process, ["CC", "arm-linux-gcc"]]; | |
32 | $callbacks->{'cccdlflags'} = [\&simple_process, ["CFLAGS", ""]]; | |
33 | $callbacks->{'ccdlflags'} = [\&simple_process, ["CFLAGS", ""]]; | |
34 | $callbacks->{'ccflags'} = [\&simple_process, ["CFLAGS", "-fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"]]; | |
35 | $callbacks->{'ccflags_uselargefiles'} = [\&simple_process, ["CFLAGS", "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"]]; | |
36 | $callbacks->{'ccname'} = [\&simple_process, ["CC", "arm-linux-gcc"]]; | |
37 | $callbacks->{'cpp'} = [\&simple_process, ["CCP", "arm-linux-cpp"]]; | |
38 | $callbacks->{'cppflags'} = [\&simple_process, ["CCPFLAGS", "-fno-strict-aliasing"]]; | |
39 | $callbacks->{'cpprun'} = [\&simple_process_append, ["CC", "arm-linux-gcc -E", "-E"]]; | |
40 | $callbacks->{'cppstdin'} = [\&simple_process_append, ["CC", "arm-linux-gcc -E", "-E"]]; | |
41 | $callbacks->{'full_ar'} = [\&backtick, ["AR", "which $ENV{AR}", "/usr/local/arm/2.95.3/bin/arm-linux-ar"]]; | |
42 | $callbacks->{'ld'} = [\&simple_process, ["LD", "arm-linux-ld"]]; | |
43 | $callbacks->{'ldflags'} = [\&simple_process, ["LDFLAGS", ""]]; | |
44 | $callbacks->{'ldflags_uselargefiles'} = [\&simple_process, ["LDFLAGS", ""]]; | |
45 | $callbacks->{'myarchname'} = [\&simple_process, ["SYS", "armv4l-linux"]]; | |
46 | $callbacks->{'archlib'} = [\&library_munge, ["SYS", "armv4l-linux"]]; | |
47 | $callbacks->{'archlibexp'} = [\&library_munge, ["SYS", "armv4l-linux"]]; | |
48 | $callbacks->{'installarchlib'} = [\&library_munge, ["SYS", "armv4l-linux"]]; | |
49 | $callbacks->{'installsitearch'} = [\&library_munge, ["SYS", "armv4l-linux"]]; | |
50 | $callbacks->{'sitearch'} = [\&library_munge, ["SYS", "armv4l-linux"]]; | |
51 | $callbacks->{'sitearchexp'} = [\&library_munge, ["SYS", "armv4l-linux"]]; | |
52 | ||
53 | if ($config eq "") { | |
54 | die("Please run me as generate_config_sh path/to/original/config.sh"); | |
55 | } | |
56 | ||
57 | open(FILE, "$config") || die("Unable to open $config"); | |
58 | ||
59 | my $line_in; | |
60 | while ($line_in = <FILE>) { | |
61 | if ($line_in =~ /^#/) { | |
62 | next; | |
63 | } | |
64 | ||
65 | if ($line_in !~ /./) { | |
66 | next; | |
67 | } | |
68 | ||
69 | $line_in =~ /^([^=]+)=(.*)/; | |
70 | my $key = $1; | |
71 | my $value = $2; | |
72 | if (ref($callbacks->{$key}) eq "ARRAY") { | |
73 | ($callbacks->{$key}[0])->($key,$value); | |
74 | } else { | |
75 | print($line_in); | |
76 | } | |
77 | } | |
78 | ||
79 | sub backtick { | |
80 | my $key = shift; | |
81 | my $value = shift; | |
82 | my $envvar = $callbacks->{$key}->[1][0]; | |
83 | ||
84 | if ($ENV{$envvar}) { | |
85 | my $rawtext = `$callbacks->{$key}->[1][1]`; | |
86 | chomp($rawtext); | |
87 | print("$key=\'$rawtext\'\n"); | |
88 | } else { | |
89 | print("$key=\'$callbacks->{$key}->[1][2]\'\n"); | |
90 | } | |
91 | } | |
92 | ||
93 | ||
94 | sub simple_process { | |
95 | my $key = shift; | |
96 | my $envvar = $callbacks->{$key}->[1][0]; | |
97 | ||
98 | if ($ENV{$envvar}) { | |
99 | print("$key=\"$ENV{$envvar}\"\n"); | |
100 | } else { | |
101 | print("$key=\'$callbacks->{$key}->[1][1]\'\n"); | |
102 | } | |
103 | ||
104 | } | |
105 | ||
106 | sub simple_process_append { | |
107 | my $key = shift; | |
108 | my $envvar = $callbacks->{$key}->[1][0]; | |
109 | ||
110 | if ($ENV{$envvar}) { | |
111 | print("$key=\"$ENV{$envvar} $callbacks->{$key}->[1][2]\"\n"); | |
112 | } else { | |
113 | print("$key=\'$callbacks->{$key}->[1][1]\'\n"); | |
114 | } | |
115 | ||
116 | } | |
117 | ||
118 | sub library_munge { | |
119 | my $key = shift; | |
120 | my $value = shift; | |
121 | my $envvar = $callbacks->{$key}->[1][0]; | |
122 | ||
123 | if ($ENV{$envvar}) { | |
124 | $value =~ s/$callbacks->{$key}->[1][1]/$ENV{$envvar}/g; | |
125 | print("$key=$value\n"); | |
126 | } else { | |
127 | print("$key=$value\n"); | |
128 | } | |
129 | ||
130 | } | |
131 | ||
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