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1 | # |
2 | |
3 | # Perl script be a wrapper around the gnu gcc. the exportable perl.exe |
4 | # is built, special processing is done. |
5 | # This script is caled by the gcc2 shell script when the flag |
6 | # -buildperl is passed to gcc2 |
7 | |
8 | print "perlgcc: building exportable perl...\n"; |
9 | |
10 | # get all libs: |
11 | my @libobs; |
12 | my @obs; |
13 | my @libFlags; |
14 | my $libstring; |
15 | foreach (@ARGV){ |
16 | if( /\.[a]$/){ |
17 | push @libobs,$_; |
18 | } |
19 | elsif(/^\-l/){ |
20 | push @libFlags,$_; |
21 | } |
22 | if( /\.[o]$/){ |
23 | push @obs,$_; |
24 | } |
25 | } |
26 | $libstring = join(" ",@libobs); |
27 | $obsString = join(" ",@obs); |
28 | $libflagString = join(" ",@libFlags); |
29 | |
30 | # make exports file |
31 | my $command = "echo EXPORTS > perl.def"; |
32 | print "$command\n"; |
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33 | system($command) == 0 or die "system() failed.\n"; |
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34 | |
35 | $command ="nm $libstring | grep '^........ [TCD] _'| grep -v _impure_ptr | sed 's/[^_]*_//' >> perl.def"; |
36 | print "$command\n"; |
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37 | system($command) == 0 or die "system() failed.\n"; |
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38 | |
39 | # Build the perl.a lib to link to: |
40 | $command ="dlltool --as=as --dllname perl.exe --def perl.def --output-lib perl.a"; |
41 | print "$command\n"; |
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42 | system($command) == 0 or die "system() failed.\n"; |
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43 | |
44 | # change name of export lib to libperlexp so that is can be understood by ld2/perlld |
45 | $command ="mv perl.a libperlexp.a"; |
46 | print "$command\n"; |
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47 | system($command) == 0 or die "system() failed.\n"; |
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48 | |
49 | # get the full path name of a few libs: |
50 | my $crt0 = `gcc -print-file-name=crt0.o`; |
51 | chomp $crt0; |
52 | my $libdir = `gcc -print-file-name=libcygwin.a`; |
53 | chomp $libdir; |
54 | $libdir =~ s/libcygwin\.a//g; |
55 | |
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56 | # when $crt0 and $libdir get used in the system calls below, the \'s |
57 | # from the gcc -print-file-name get used to create special characters, |
58 | # such as \n, \t. Replace the \'s with /'s so that this does not |
59 | # happen: |
60 | $crt0 =~ s:\\:/:g; |
61 | $libdir =~ s:\\:/:g; |
62 | |
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63 | # Link exe: |
64 | $command = "ld --base-file perl.base -o perl.exe $crt0 $obsString $libstring -L$libdir $libflagString"; |
65 | print "$command\n"; |
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66 | system($command) == 0 or die "system() failed.\n"; |
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67 | |
68 | $command = "dlltool --as=as --dllname perl.exe --def perl.def --base-file perl.base --output-exp perl.exp"; |
69 | print "$command\n"; |
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70 | system($command) == 0 or die "system() failed.\n"; |
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71 | |
72 | $command = "ld --base-file perl.base perl.exp -o perl.exe $crt0 $obsString $libstring -L$libdir $libflagString"; |
73 | print "$command\n"; |
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74 | system($command) == 0 or die "system() failed.\n"; |
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75 | |
76 | $command = "dlltool --as=as --dllname perl.exe --def perl.def --base-file perl.base --output-exp perl.exp"; |
77 | print "$command\n"; |
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78 | system($command) == 0 or die "system() failed.\n"; |
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79 | |
80 | $command = "ld perl.exp -o perl.exe $crt0 $obsString $libstring -L$libdir $libflagString"; |
81 | print "$command\n"; |
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82 | system($command) == 0 or die "system() failed.\n"; |
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83 | |
84 | print "perlgcc: Completed\n"; |