# Marpa::R3 is Copyright (C) 2017, Jeffrey Kegler.
#
# This module is free software; you can redistribute it and/or modify it
# under the same terms as Perl 5.10.1. For more details, see the full text
# of the licenses in the directory LICENSES.
#
# This program is distributed in the hope that it will be
# useful, but it is provided “as is” and without any express
# or implied warranties. For details, see the full text of
# of the licenses in the directory LICENSES.
# This code is adopted from code in the SDBM_File module.
use 5.010001;
use strict;
use warnings;
use ExtUtils::Install;
use Fatal qw(open close mkdir chdir);
use File::Spec 0.82;
use English qw( -no_match_vars );
use Config;
use ExtUtils::MakeMaker;
use vars qw($VERSION $STRING_VERSION);
$VERSION = '4.001_044';
$STRING_VERSION = $VERSION;
## no critic (BuiltinFunctions::ProhibitStringyEval)
$VERSION = eval $VERSION;
## use critic
my $define = q{};
$define .= ' -DWIN32' if ($^O eq 'MSWin32');
sub gcc_is_at_least {
my ($required) = @_;
state $gcc_version = $Config{gccversion};
return if not $gcc_version;
my @actual = ($gcc_version =~ m/ \A (\d+) [.] (\d+) [.] (\d+) \z /xms);
return if @actual != 3;
my @required = ($required =~ m/ \A (\d+) [.] (\d+) [.] (\d+) \z /xms);
die if scalar @required != 3;
my $cmp = $actual[0] <=> $required[0] ||
$actual[1] <=> $required[1] ||
$actual[2] <=> $required[2] ;
return $cmp >= 0 ? 1 : 0;
}
my @new_ccflags = ( );
if ( $Config{'ccname'} eq 'gcc' ) {
## -W instead of -Wextra is case the GCC is pre 3.0.0
## -Winline omitted because too noisy
## -ansi will not work with Lua or on Android
push @new_ccflags, qw( -Wall -W
-Wpointer-arith -Wstrict-prototypes -Wwrite-strings
-Wconversion
-Wmissing-declarations );
push @new_ccflags, '-Wdeclaration-after-statement' if gcc_is_at_least('3.4.6');
} ## end if ( $self->config('cc') eq 'gcc' )
elsif ( $Config{'ccname'} eq 'cl' ) {
## gcc's -Wundef is msvc's C4668 that is on with -Wall
## gcc's -ansi -pedantic is msvc's /Za, but windows.h can't be compiled with it
## msvc's equivalent for gcc's -Wendif-labels can't be found :)
## -W4 -Wp64 will produce arguably too many warnings
## in perl header files and XS macros, but can be useful for debugging
push @new_ccflags, qw( -W3 );
}
if (0) {
# if ( defined $self->args('XS-debug') ) {
# say 'XS-debug flag is on';
# if ( $self->config('ccname') eq 'gcc' ) {
# push @new_ccflags,
# qw( -Wall -ansi -pedantic -Wundef -Wendif-labels );
# } ## end if ( $self->config('cc') eq 'gcc' )
# elsif ( $self->config('ccname') eq 'cl' ) {
# ## gcc's -Wundef is msvc's C4668 that is on with -Wall
# ## gcc's -ansi -pedantic is msvc's /Za, but windows.h can't be compiled with it
# ## msvc's equivalent for gcc's -Wendif-labels can't be found :)
# push @new_ccflags, qw( -W4 -Wp64 );
# }
# }
}
my $my_ccflags = join q{ }, $Config{'ccflags'}, @new_ccflags;
WriteMakefile(
INC => '-I. -I../engine/read_only -I../lua -I../kollos',
NAME => 'Marpa::R3',
VERSION => $STRING_VERSION,
DEFINE => $define,
SKIP => [qw(test test_dynamic dynamic dynamic_lib dlsyms)],
XS => { 'R3.xs' => 'R3.c' },
CCFLAGS => $my_ccflags,
# OBJECT => 'R3.o',
);
package MY;
no warnings "redefine";
sub constants {
my $self = shift;
my $constants = $self->SUPER::constants(@_);
$constants .= "\n";
$constants .= sprintf( "LUA_INTERP = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{lua lua} ) );
$constants .= sprintf( "LUAC = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{lua luac} ) );
my $my_lua_path = File::Spec->catfile( File::Spec->updir(), qw{kollos XXX} );
$my_lua_path =~ s/XXX$/?.lua/;
$constants .=
'LUA_PATH = ' . $self->quote_literal( (';;' . $my_lua_path ),
{ allow_variables => undef } ) . "\n";
$constants .= sprintf( "MIRANDA = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{kollos miranda} ) );
$constants .= sprintf( "INSPECT_LUA = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{kollos inspect.lua} ) );
$constants .= sprintf( "GLUE_LUA = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{glue glue.lua} ) );
$constants .= sprintf( "KOLLOS_LUA = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{kollos kollos.lua} ) );
$constants .= sprintf( "STRING2H_LUA = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{glue string2h.lua} ) );
$constants .= sprintf( "HEX2H_LUA = %s\n",
File::Spec->catfile( File::Spec->updir(), qw{glue hex2h.lua} ) );
$constants .= sprintf( "MY_CCFLAGS = %s\n", $my_ccflags );
return $constants;
}
sub top_targets {
my $r = '
all :: R3$(OBJ_EXT)
$(NOECHO) $(NOOP)
$(NOECHO) $(ECHO) Executing all target in xs directory
config ::
$(NOECHO) $(NOOP)
# test is SKIP’ped, so this avoids nmake’s “don’t know how to make test” complaints
test ::
$(NOECHO) $(NOOP)
# and so is test_dynamic, so this helps avoid make’s
# “don’t know how to make test_dynamic” complaints under freebsd
test_dynamic ::
$(NOECHO) $(NOOP)
';
return $r;
}
sub postamble {
my ($self) = @_;
my @postamble_pieces = (".NOTPARALLEL:\n");
push @postamble_pieces, <<'END_OF_POSTAMBLE_PIECE';
R3.c: ../kollos/kollos.h \
inspect_inc.c glue_inc.c kollos_inc.c
inspect.out: $(INSPECT_LUA)
LUA_PATH=$(LUA_PATH) $(LUAC) -o inspect.out $(INSPECT_LUA)
inspect_inc.c: inspect.out $(HEX2H_LUA)
LUA_PATH=$(LUA_PATH) $(LUA_INTERP) $(HEX2H_LUA) inspect < inspect.out > $@
glue.out: $(GLUE_LUA)
LUA_PATH=$(LUA_PATH) $(LUAC) -o glue.out $(GLUE_LUA)
glue_inc.c: glue.out $(HEX2H_LUA)
LUA_PATH=$(LUA_PATH) $(LUA_INTERP) $(HEX2H_LUA) glue < glue.out > $@
kollos.out: $(KOLLOS_LUA)
LUA_PATH=$(LUA_PATH) $(LUAC) -o kollos.out $(KOLLOS_LUA)
kollos_inc.c: kollos.out $(HEX2H_LUA)
LUA_PATH=$(LUA_PATH) $(LUA_INTERP) $(HEX2H_LUA) kollos < kollos.out > $@
END_OF_POSTAMBLE_PIECE
return join "\n", @postamble_pieces;
};