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#
# Perl script be a wrapper around the gnu gcc. the exportable perl.exe
# is built, special processing is done.
# This script is caled by the gcc2 shell script when the flag
# -buildperl is passed to gcc2
print "perlgcc: building exportable perl...\n";
# get all libs:
my @libobs;
my @obs;
my @libFlags;
my $libstring;
foreach (@ARGV){
if( /\.[a]$/){
push @libobs,$_;
}
elsif(/^\-l/){
push @libFlags,$_;
}
if( /\.[o]$/){
push @obs,$_;
}
}
$libstring = join(" ",@libobs);
$obsString = join(" ",@obs);
$libflagString = join(" ",@libFlags);
# make exports file
my $command = "echo EXPORTS > perl.def";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
$command ="nm $libstring | grep '^........ [TCD] _'| grep -v _impure_ptr | sed 's/[^_]*_//' >> perl.def";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
# Build the perl.a lib to link to:
$command ="dlltool --as=as --dllname perl.exe --def perl.def --output-lib perl.a";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
# change name of export lib to libperlexp so that is can be understood by ld2/perlld
$command ="mv perl.a libperlexp.a";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
# get the full path name of a few libs:
my $crt0 = `gcc -print-file-name=crt0.o`;
chomp $crt0;
my $libdir = `gcc -print-file-name=libcygwin.a`;
chomp $libdir;
$libdir =~ s/libcygwin\.a//g;
# when $crt0 and $libdir get used in the system calls below, the \'s
# from the gcc -print-file-name get used to create special characters,
# such as \n, \t. Replace the \'s with /'s so that this does not
# happen:
$crt0 =~ s:\\:/:g;
$libdir =~ s:\\:/:g;
# Link exe:
$command = "ld --base-file perl.base -o perl.exe $crt0 $obsString $libstring -L$libdir $libflagString";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
$command = "dlltool --as=as --dllname perl.exe --def perl.def --base-file perl.base --output-exp perl.exp";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
$command = "ld --base-file perl.base perl.exp -o perl.exe $crt0 $obsString $libstring -L$libdir $libflagString";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
$command = "dlltool --as=as --dllname perl.exe --def perl.def --base-file perl.base --output-exp perl.exp";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
$command = "ld perl.exp -o perl.exe $crt0 $obsString $libstring -L$libdir $libflagString";
print "$command\n";
system($command) == 0 or die "system() failed.\n";
print "perlgcc: Completed\n";
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