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|
#!/usr/bin/env perl
# Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# This script provides a way to modify the configure script using regular
# expressions, as opposed to a context diff which uses hardcoded context
# patterns. This is useful since the contents of the output configure script are
# not always known before hand. (Note: the script doesn't actually invoke the
# "patch" command)
use strict;
use File::Basename;
use Getopt::Long;
use Data::Dumper;
# Grab the name of this script
my $program = basename($0);
my $file_arg = "./configure";
my $help_arg;
my $debug_arg;
&Getopt::Long::Configure("bundling");
my $ok = Getopt::Long::GetOptions(
"debug|d" => \$debug_arg,
"file|f=s" => \$file_arg,
"help|h" => \$help_arg,
);
# Help argument
if ($help_arg) {
print "
$program -
-f|--file File to patch (default: $file_arg)
-d|--debug Keep original copy of configure for debugging
-h|--help This help menu
";
exit;
}
# Call the main subroutine and exit
&modify_configure_for_sun_fortran($file_arg);
exit;
sub modify_configure_for_sun_fortran {
my ($file) = @_;
# By default, patch the libtool script in the cwd
$file = $file_arg if (! -e $file);
# Keep backup copies of the file lying around for debugging
# purposes
if (defined($debug_arg)) {
my $rand = RandomString(10);
my $cmd = "cp $file $file.$rand\n";
system($cmd);
}
# Read in the libtool script file
my $contents = Read($file);
die("Couldn't Read $file!\n") if (!$contents);
# Note: we have to use octal escapes to match '*Sun\ F*) and the
# four succeeding lines in the bourne shell switch statement.
# \ = 134
# ) = 051
# * = 052
#
# Below is essentially an upstream patch for Libtool which we want
# made available to Open MPI users running older versions of Libtool
foreach my $tag (("", "_F77", "_FC")) {
# We have to change the search pattern and substitution on each
# iteration to take into account the tag changing
my $search_string = '\052Sun\134 F\052.*\n.*\n\s+' .
"lt_prog_compiler_pic${tag}" . '.*\n.*\n.*\n.*\n';
my $replace_string = "
*Sun\\ Ceres\\ Fortran* | *Sun*Fortran*\\ [[1-7]].* | *Sun*Fortran*\\ 8.[[0-3]]*)
# Sun Fortran 8.3 passes all unrecognized flags to the linker
lt_prog_compiler_pic${tag}='-KPIC'
lt_prog_compiler_static${tag}='-Bstatic'
lt_prog_compiler_wl${tag}=''
;;
*Sun\\ F* | *Sun*Fortran*)
lt_prog_compiler_pic${tag}='-KPIC'
lt_prog_compiler_static${tag}='-Bstatic'
lt_prog_compiler_wl${tag}='-Qoption ld '
;;
";
print("=== Patching configure for Sun Studio Fortran version strings ($tag)\n");
$contents =~ s/$search_string/$replace_string/;
}
# Write changed file out
Write($file, $contents);
}
sub Read {
my ($file) = @_;
my $contents;
open (INPUT, $file) or warn "Can't open $file: $!";
while (<INPUT>) {
$contents .= $_;
}
close(INPUT) or warn "Can't close $file: $!";
return $contents;
}
sub Write {
my ($filename, $body) = @_;
# Write out the file
die("Failed to write to file: $!") if (! open(FILE, "> $filename"));
print FILE $body;
close FILE;
}
my $_seeded;
sub RandomString {
# length of the random string to generate
my $length_of_randomstring = shift;
# Need something at least sorta random -- doesn't have to be
# entirely unique (see "srand" in perlfunc(1))
if (!$_seeded) {
srand(time() ^ $$ ^ unpack "%L*", `hostname`);
$_seeded = 1;
}
my @chars = ('a'..'z','A'..'Z','0'..'9','_');
my $random_string;
foreach (1..$length_of_randomstring) {
$random_string .= $chars[rand @chars];
}
return $random_string;
}
#!/usr/bin/env perl
# Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# This script provides a way to modify the configure script using regular
# expressions, as opposed to a context diff which uses hardcoded context
# patterns. This is useful since the contents of the output configure script are
# not always known before hand. (Note: the script doesn't actually invoke the
# "patch" command)
use strict;
use File::Basename;
use Getopt::Long;
use Data::Dumper;
# Grab the name of this script
my $program = basename($0);
my $file_arg = "./configure";
my $help_arg;
my $debug_arg;
&Getopt::Long::Configure("bundling");
my $ok = Getopt::Long::GetOptions(
"debug|d" => \$debug_arg,
"file|f=s" => \$file_arg,
"help|h" => \$help_arg,
);
# Help argument
if ($help_arg) {
print "
$program -
-f|--file File to patch (default: $file_arg)
-d|--debug Keep original copy of configure for debugging
-h|--help This help menu
";
exit;
}
# Call the main subroutine and exit
&modify_configure_for_sun_fortran($file_arg);
exit;
sub modify_configure_for_sun_fortran {
my ($file) = @_;
# By default, patch the libtool script in the cwd
$file = $file_arg if (! -e $file);
# Keep backup copies of the file lying around for debugging
# purposes
if (defined($debug_arg)) {
my $rand = RandomString(10);
my $cmd = "cp $file $file.$rand\n";
system($cmd);
}
# Read in the libtool script file
my $contents = Read($file);
die("Couldn't Read $file!\n") if (!$contents);
# Note: we have to use octal escapes to match '*Sun\ F*) and the
# four succeeding lines in the bourne shell switch statement.
# \ = 134
# ) = 051
# * = 052
#
# Below is essentially an upstream patch for Libtool which we want
# made available to Open MPI users running older versions of Libtool
foreach my $tag (("", "_F77", "_FC")) {
# We have to change the search pattern and substitution on each
# iteration to take into account the tag changing
my $search_string = '\052Sun\134 F\052.*\n.*\n\s+' .
"lt_prog_compiler_pic${tag}" . '.*\n.*\n.*\n.*\n';
my $replace_string = "
*Sun\\ Ceres\\ Fortran* | *Sun*Fortran*\\ [[1-7]].* | *Sun*Fortran*\\ 8.[[0-3]]*)
# Sun Fortran 8.3 passes all unrecognized flags to the linker
lt_prog_compiler_pic${tag}='-KPIC'
lt_prog_compiler_static${tag}='-Bstatic'
lt_prog_compiler_wl${tag}=''
;;
*Sun\\ F* | *Sun*Fortran*)
lt_prog_compiler_pic${tag}='-KPIC'
lt_prog_compiler_static${tag}='-Bstatic'
lt_prog_compiler_wl${tag}='-Qoption ld '
;;
";
print("=== Patching configure for Sun Studio Fortran version strings ($tag)\n");
$contents =~ s/$search_string/$replace_string/;
}
# Write changed file out
Write($file, $contents);
}
sub Read {
my ($file) = @_;
my $contents;
open (INPUT, $file) or warn "Can't open $file: $!";
while (<INPUT>) {
$contents .= $_;
}
close(INPUT) or warn "Can't close $file: $!";
return $contents;
}
sub Write {
my ($filename, $body) = @_;
# Write out the file
die("Failed to write to file: $!") if (! open(FILE, "> $filename"));
print FILE $body;
close FILE;
}
my $_seeded;
sub RandomString {
# length of the random string to generate
my $length_of_randomstring = shift;
# Need something at least sorta random -- doesn't have to be
# entirely unique (see "srand" in perlfunc(1))
if (!$_seeded) {
srand(time() ^ $$ ^ unpack "%L*", `hostname`);
$_seeded = 1;
}
my @chars = ('a'..'z','A'..'Z','0'..'9','_');
my $random_string;
foreach (1..$length_of_randomstring) {
$random_string .= $chars[rand @chars];
}
return $random_string;
}
|
