diff options
Diffstat (limited to 'admin/detect-autoconf.pl')
| m--------- | admin | 0 | ||||
| -rwxr-xr-x | admin/detect-autoconf.pl | 173 |
2 files changed, 0 insertions, 173 deletions
diff --git a/admin b/admin new file mode 160000 +Subproject 8c7e0d40de084fe5d54e173918756639e0d4d63 diff --git a/admin/detect-autoconf.pl b/admin/detect-autoconf.pl deleted file mode 100755 index 7166bce..0000000 --- a/admin/detect-autoconf.pl +++ /dev/null @@ -1,173 +0,0 @@ -#!/usr/bin/env perl - -# Try to locate best version of auto* -# By Michael Pyne <[email protected]> -# -# Copyright (c) 2005. -# This code is public domain. You may use it however you like (including -# relicensing). - -# Emulate the 'which' program. -sub which -{ - my $prog = shift; - my @paths = split(/:/, $ENV{'PATH'}); - - for $path (@paths) - { - return "$path/$prog" if -x "$path/$prog"; - } - - return ""; -} - -# Subroutine to determine the highest installed version of the given program, -# searching from the given paths. -sub findBest -{ - my ($program, @paths) = @_; - my $best_version_found = '0'; # Deliberately a string. - my %versions; - my %minimumVersions = ( - 'autoconf' => '2.5', - 'automake' => '1.6', - ); - - # Allow user to use environment variable to override search. - return $ENV{uc $program} if $ENV{uc $program}; - - for $prefix (@paths) - { - @files = glob "$prefix/$program*"; - for $file (@files) - { - # Don't check non-executable scripts. - next unless -x $file; - - ($version) = $file =~ /$prefix\/$program-?(.*)$/; - $version =~ s/-|\.//g; - - # Special case some programs to make sure it has a minimum version. - if (not $version and exists $minimumVersions{$program}) - { - my $min_version = $minimumVersions{$program}; - my $versionOutput = `$program --version 2>/dev/null | head -n 1`; - - # If we can't run the script to get the version it likely won't work later. - next unless $versionOutput; - - # Use number.number for version (we don't need the excess in general). - ($versionOutput) = ($versionOutput =~ /(\d\.\d)/); - - # Use lt to do lexicographical comparison of strings (which should be - # equivalent and doesn't involve issues with floating point conversions). - if (not $versionOutput or $versionOutput lt $min_version) - { - next; - } - } - - # If no version suffix then use it in favor of a versioned autotool - # since the ever-popular WANT_AUTOFOO should then work (in theory). - return $file unless $version; - - # Emulate 'which', and abort if we've already seen this version. - next if exists $versions{$version}; - - # Save filename of program. - $versions{$version} = $file; - - # Use string comparison so that e.g. 253a will be > 253 but < 254. - if ($version gt $best_version_found) - { - $best_version_found = $version; - } - } - } - - return $versions{$best_version_found}; -} - -# Find an appropriate "which" program for later use by the shell script calling -# us. -sub findWhich -{ - for $candidate ('type -p', 'which', 'type') - { - $test = `$candidate sh 2>/dev/null`; - chomp $test; - - return $candidate if -x $test; - } -} - -# Uses which() to find a program unless the user provided its path in the -# environment (the upper case program name is searched). -sub findProgram -{ - $suffix = ""; # For use if @_ has only one param. - my ($program, $suffix) = @_; - - return $ENV{uc $program} if $ENV{uc $program}; - return which("$program$suffix"); -} - -# SCRIPT STARTS. - -# Search in path. -@paths = split(/:/, $ENV{'PATH'}); - -# Make sure at least /usr/bin and /usr/local/bin are in this search. -unshift @paths, '/usr/local/bin' unless grep $_ eq '/usr/local/bin', @paths; -unshift @paths, '/usr/bin' unless grep $_ eq '/usr/bin', @paths; - -$autoconf = findBest('autoconf', @paths); -($autoconf_suffix) = $autoconf =~ /.*autoconf(.*)$/; - -# Find matching autoconf companions. -$autoheader = findProgram('autoheader', $autoconf_suffix); -$autom4te = findProgram('autom4te', $autoconf_suffix); - -# Get best automake, and look for unsermake to possibly override it. -$automake = findBest('automake', @paths); -$unsermake = ""; -# backward compatible: if $UNSERMAKE points to a path, use it -$unsermake = findProgram('unsermake') if (defined($ENV{'UNSERMAKE'}) and $ENV{'UNSERMAKE'} =~ /\//); -# new compatible: if it says 'yes', use the one from path -$unsermake = which('unsermake') if ($ENV{'UNSERMAKE'} ne 'no'); - -($automake_suffix) = $automake =~ /.*automake(.*)$/; - -# Use unsermake if we found it. -$automake = "$unsermake -c" if $unsermake; - -# Find matching automake companions. -$aclocal = findProgram('aclocal', $automake_suffix); - -$which = findWhich(); - -# Make sure we have all of the needed programs. -for $i (qw'autoconf autoheader autom4te automake aclocal') -{ - unless(${$i}) - { - print "# Unable to find $i!!\n"; - exit 1; - } -} - -# Print results in eval-able form. -print <<EOF; -AUTOCONF="$autoconf" -AUTOHEADER="$autoheader" -AUTOM4TE="$autom4te" - -AUTOMAKE="$automake" -ACLOCAL="$aclocal" - -WHICH="$which" - -export AUTOCONF AUTOHEADER AUTOM4TE AUTOMAKE ACLOCAL WHICH -EOF - -exit 0; |