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package Devel::CheckCompiler; |
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242127
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use strict; |
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use warnings; |
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use 5.008001; |
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our $VERSION = '0.05'; |
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use parent qw/Exporter/; |
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our @EXPORT = qw/check_c99 check_c99_or_exit check_compile/; |
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use ExtUtils::CBuilder; |
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511273
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my $C99_SOURCE = <<'C99'; |
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// include a C99 header |
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#include <stdbool.h> |
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inline // a C99 keyword with C99 style comments |
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int test_c99() { |
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int i = 0; |
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i++; |
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int j = i - 1; // another C99 feature: declaration after statement |
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return j; |
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} |
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C99 |
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sub check_c99 { |
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5445
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check_compile($C99_SOURCE); |
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} |
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sub check_c99_or_exit { |
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check_compile($C99_SOURCE) or do { |
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warn "Your system is not support C99(OS unsupported)\n"; |
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exit 0; |
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}; |
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} |
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sub check_compile { |
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1
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8486
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my ($src, %opt) = @_; |
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11
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my $cbuilder = ExtUtils::CBuilder->new(quiet => 1); |
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return 0 unless $cbuilder->have_compiler; |
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require File::Temp; |
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7
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my $tmpfile = File::Temp->new(SUFFIX => '.c'); |
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7
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$tmpfile->print($src); |
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$tmpfile->close(); |
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7
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my $objname = eval { |
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$cbuilder->compile(source => $tmpfile->filename); |
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}; |
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if ($objname) { |
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my $ret = 1; |
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100
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if ($opt{executable}) { |
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2
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my $execfile = eval { |
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2
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$cbuilder->link_executable(objects => $objname, |
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extra_linker_flags => $opt{extra_linker_flags}); |
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}; |
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2
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if ($execfile) { |
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2
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unlink $execfile or warn "Cannot unlink $execfile (ignored): $!"; |
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} else { |
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0
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0
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$ret = 0; |
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61
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} |
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} |
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6
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381
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unlink $objname or warn "Cannot unlink $objname (ignored): $!"; |
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64
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6
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40
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return $ret; |
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65
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} else { |
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1
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8
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return 0; |
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67
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} |
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} |
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70
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1; |
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__END__ |
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73
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=encoding utf8 |
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74
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75
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=head1 NAME |
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76
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77
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Devel::CheckCompiler - Check the compiler's availability |
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78
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79
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=head1 SYNOPSIS |
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80
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81
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use Devel::CheckCompiler; |
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82
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83
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check_c99_or_exit(); |
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84
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85
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=head1 DESCRIPTION |
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86
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87
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Devel::CheckCompiler is checker for compiler's availability. |
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88
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89
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=head1 FUNCTIONS |
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90
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91
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=over 4 |
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92
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93
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=item C<check_c99()> |
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94
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95
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Returns true if the current system has a working C99 compiler, false otherwise. |
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96
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97
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=item C<check_c99_or_exit()> |
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98
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99
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Check the current system has a working C99 compiler, if it's not available, exit by 0. |
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100
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101
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=item C<check_compile($src: Str, %options)> |
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102
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103
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Compile C<$src> as C code. Return 1 if it's available, 0 otherwise. |
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104
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105
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Possible options are: |
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106
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107
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=over |
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108
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109
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=item executable :Bool = false |
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110
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111
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Check to see if generating executable is possible if this parameter is true. |
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112
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113
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=item extra_linker_flags : Str | ArrayRef[Str] |
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114
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115
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Any additional flags you wish to pass to the linker. This option is used |
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116
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only when C<executable> option specified. |
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118
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=back |
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119
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120
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=back |
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121
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122
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=head1 AUTHOR |
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123
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124
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Tokuhiro Matsuno E<lt>tokuhirom AAJKLFJEF@ GMAIL COME<gt> |
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125
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126
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=head1 SEE ALSO |
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127
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128
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L<ExtUtils::CBuilder> |
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129
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130
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=head1 LICENSE |
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131
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132
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Copyright (C) Tokuhiro Matsuno |
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133
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134
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This library is free software; you can redistribute it and/or modify |
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135
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it under the same terms as Perl itself. |
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136
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137
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=cut |