1#!perl -w
2use strict;
3use FindExt;
4
5# take a semicolon separated path list and turn it into a quoted
6# list of paths that Text::Parsewords will grok
7sub mungepath {
8    my $p = shift;
9    # remove leading/trailing semis/spaces
10    $p =~ s/^[ ;]+//;
11    $p =~ s/[ ;]+$//;
12    $p =~ s/'/"/g;
13    my @p = map { $_ = "\"$_\"" if /\s/ and !/^".*"$/; $_ } split /;/, $p;
14    return join(' ', @p);
15}
16
17# generate an array of option strings from command-line args
18# or an option file
19#    -- added by BKS, 10-17-1999 to fix command-line overflow problems
20sub loadopts {
21    if ($ARGV[0] =~ /--cfgsh-option-file/) {
22	shift @ARGV;
23	my $optfile = shift @ARGV;
24	local (*OPTF);
25	open OPTF, '<', $optfile or die "Can't open $optfile: $!\n";
26	my @opts;
27	chomp(my $line = <OPTF>);
28	my @vars = split(/\t+~\t+/, $line);
29	for (@vars) {
30	    push(@opts, $_) unless (/^\s*$/);
31	}
32	close OPTF;
33	return \@opts;
34    }
35    else {
36	return \@ARGV;
37    }
38}
39
40my $prebuilt; # are we making the prebuilt config used to bootstrap?
41if (@ARGV && $ARGV[0] eq '--prebuilt') {
42    ++$prebuilt;
43    shift;
44}
45
46my %opt;
47
48my $optref = loadopts();
49while (@{$optref} && $optref->[0] =~ /^([\w_]+)=(.*)$/) {
50    $opt{$1}=$2;
51    shift(@{$optref});
52}
53
54FindExt::scan_ext("../cpan");
55FindExt::scan_ext("../dist");
56FindExt::scan_ext("../ext");
57FindExt::set_static_extensions(split ' ', $opt{static_ext});
58
59$opt{nonxs_ext}        = join(' ',FindExt::nonxs_ext()) || ' ';
60$opt{static_ext}       = join(' ',FindExt::static_ext()) || ' ';
61$opt{dynamic_ext}      = join(' ',FindExt::dynamic_ext()) || ' ';
62$opt{extensions}       = join(' ',FindExt::extensions()) || ' ';
63$opt{known_extensions} = join(' ',FindExt::known_extensions()) || ' ';
64
65my $pl_h = '../patchlevel.h';
66
67if (-e $pl_h) {
68    open PL, "<", $pl_h or die "Can't open $pl_h: $!";
69    while (<PL>) {
70	if (/^#\s*define\s+(PERL_\w+)\s+([\d.]+)/) {
71	    $opt{$1} = $2;
72	}
73    }
74    close PL;
75}
76else {
77    die "Can't find $pl_h: $!";
78}
79
80my $patch_file = '../.patch';
81
82if (-e $patch_file) {
83    open my $fh, "<", $patch_file or die "Can't open $patch_file: $!";
84    chomp($opt{PERL_PATCHLEVEL} = <$fh>);
85    close $fh;
86}
87
88$opt{version} = "$opt{PERL_REVISION}.$opt{PERL_VERSION}.$opt{PERL_SUBVERSION}";
89$opt{version_patchlevel_string} = "version $opt{PERL_VERSION} subversion $opt{PERL_SUBVERSION}";
90$opt{version_patchlevel_string} .= " patch $opt{PERL_PATCHLEVEL}" if exists $opt{PERL_PATCHLEVEL};
91
92my $ver = `ver 2>nul`;
93$opt{osvers} = $ver =~ /\b(\d+(?:\.\d+)+)\b/ ? $1 : '4.0';
94
95if (exists $opt{cc}) {
96    # cl version detection borrowed from Test::Smoke's configsmoke.pl
97    if ($opt{cc} =~ /\b(?:cl|icl)/) { #MSVC can come as clarm.exe, icl=Intel C
98        my $output = `$opt{cc} 2>&1`;
99        $opt{ccversion} = $output =~ /\b(\d+(?:\.\d+)+)\b/ ? $1 : '?';
100    }
101    elsif ($opt{cc} =~ /\bgcc\b/) {
102        chomp($opt{gccversion} = `$opt{cc} -dumpversion`);
103    }
104}
105
106$opt{cf_by} = $ENV{USERNAME} unless $opt{cf_by};
107if (!$opt{cf_email}) {
108    my $computername = eval{(gethostbyname('localhost'))[0]};
109# gethostbyname might not be implemented in miniperl
110    $computername = $ENV{COMPUTERNAME} if $@;
111    $opt{cf_email} = $opt{cf_by} . '@' . $computername;
112}
113$opt{usemymalloc} = 'y' if $opt{d_mymalloc} eq 'define';
114
115$opt{libpth} = mungepath($opt{libpth}) if exists $opt{libpth};
116$opt{incpath} = mungepath($opt{incpath}) if exists $opt{incpath};
117
118my $int64;
119if ($opt{cc} =~ /\b(?:cl|icl)/) {
120    $int64  = '__int64';
121}
122elsif ($opt{cc} =~ /\bgcc\b/) {
123    $int64  = 'long long';
124}
125
126# set 64-bit options
127if ($opt{WIN64} eq 'define') {
128    $opt{d_atoll} = 'define';
129    $opt{d_strtoll} = 'define';
130    $opt{d_strtoull} = 'define';
131    $opt{ptrsize} = 8;
132    $opt{sizesize} = 8;
133    $opt{ssizetype} = $int64;
134    $opt{st_ino_size} = 8;
135}
136else {
137    $opt{d_atoll} = 'undef';
138    $opt{d_strtoll} = 'undef';
139    $opt{d_strtoull} = 'undef';
140    $opt{ptrsize} = 4;
141    $opt{sizesize} = 4;
142    $opt{ssizetype} = 'int';
143    $opt{st_ino_size} = 4;
144}
145
146# set 64-bit-int options
147if ($opt{use64bitint} eq 'define') {
148    if ($opt{uselongdouble} eq 'define' || $opt{usequadmath} eq 'define') {
149        $opt{d_nv_preserves_uv} = 'define';
150        $opt{nv_preserves_uv_bits} = 64;
151    }
152    else {
153        $opt{d_nv_preserves_uv} = 'undef';
154        $opt{nv_preserves_uv_bits} = 53;
155    }
156    $opt{ivdformat} = qq{"I64d"};
157    $opt{ivsize} = 8;
158    $opt{ivtype} = $int64;
159    $opt{sPRIXU64} = qq{"I64X"};
160    $opt{sPRId64} = qq{"I64d"};
161    $opt{sPRIi64} = qq{"I64i"};
162    $opt{sPRIo64} = qq{"I64o"};
163    $opt{sPRIu64} = qq{"I64u"};
164    $opt{sPRIx64} = qq{"I64x"};
165    $opt{uvXUformat} = qq{"I64X"};
166    $opt{uvoformat} = qq{"I64o"};
167    $opt{uvsize} = 8;
168    $opt{uvtype} = qq{unsigned $int64};
169    $opt{uvuformat} = qq{"I64u"};
170    $opt{uvxformat} = qq{"I64x"};
171}
172else {
173    $opt{d_nv_preserves_uv} = 'define';
174    $opt{ivdformat} = '"ld"';
175    $opt{ivsize} = 4;
176    $opt{ivtype} = 'long';
177    $opt{nv_preserves_uv_bits} = 32;
178    $opt{sPRIXU64} = '"lX"';
179    $opt{sPRId64} = '"ld"';
180    $opt{sPRIi64} = '"li"';
181    $opt{sPRIo64} = '"lo"';
182    $opt{sPRIu64} = '"lu"';
183    $opt{sPRIx64} = '"lx"';
184    $opt{uvXUformat} = '"lX"';
185    $opt{uvoformat} = '"lo"';
186    $opt{uvsize} = 4;
187    $opt{uvtype} = 'unsigned long';
188    $opt{uvuformat} = '"lu"';
189    $opt{uvxformat} = '"lx"';
190}
191
192unless ($opt{cc} =~ /\bcl/) {
193    if ($opt{WIN64} eq 'define') {
194        $opt{longdblsize} = 16;
195        $opt{longdblinfbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00';
196        $opt{longdblnanbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00';
197    }
198    else {
199        $opt{longdblsize} = 12;
200        $opt{longdblinfbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xff, 0x7f, 0x00, 0x00';
201        $opt{longdblnanbytes} = '0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, 0xff, 0x00, 0x00';
202    }
203}
204
205# set long double options
206if ($opt{uselongdouble} eq 'define') {
207    $opt{d_Gconvert} = 'sprintf((b),"%.*""Lg",(n),(x))';
208    $opt{d_PRIEUldbl} = 'define';
209    $opt{d_PRIFUldbl} = 'define';
210    $opt{d_PRIGUldbl} = 'define';
211    $opt{d_modflproto} = 'define';
212    $opt{d_strtold} = 'define';
213    $opt{d_PRIeldbl} = 'define';
214    $opt{d_PRIfldbl} = 'define';
215    $opt{d_PRIgldbl} = 'define';
216    $opt{d_SCNfldbl} = 'define';
217    $opt{nvsize} = $opt{longdblsize};
218    $opt{nvtype} = 'long double';
219    $opt{nv_overflows_integers_at} = '256.0*256.0*256.0*256.0*256.0*256.0*256.0*2.0*2.0*2.0*2.0*2.0*2.0*2.0*2.0';
220    $opt{nvEUformat} = '"LE"';
221    $opt{nvFUformat} = '"LF"';
222    $opt{nvGUformat} = '"LG"';
223    $opt{nveformat} = '"Le"';
224    $opt{nvfformat} = '"Lf"';
225    $opt{nvgformat} = '"Lg"';
226    $opt{nvmantbits} = 64;
227    $opt{longdblkind} = 3;
228    $opt{longdblmantbits} = 64;
229}
230# set __float128 options
231elsif ($opt{usequadmath} eq 'define') {
232    $opt{d_Gconvert} = 'sprintf((b),"%.*""Lg",(n),(x))';
233    $opt{d_PRIEUldbl} = 'define';
234    $opt{d_PRIFUldbl} = 'define';
235    $opt{d_PRIGUldbl} = 'define';
236    $opt{d_modflproto} = 'define';
237    $opt{d_strtold} = 'define';
238    $opt{d_PRIeldbl} = 'define';
239    $opt{d_PRIfldbl} = 'define';
240    $opt{d_PRIgldbl} = 'define';
241    $opt{d_SCNfldbl} = 'define';
242    $opt{nv_overflows_integers_at} = '256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*256.0*2.0';
243    $opt{nvsize} = 16;
244    $opt{nvtype} = '__float128';
245    $opt{nvEUformat} = '"QE"';
246    $opt{nvFUformat} = '"QF"';
247    $opt{nvGUformat} = '"QG"';
248    $opt{nveformat} = '"Qe"';
249    $opt{nvfformat} = '"Qf"';
250    $opt{nvgformat} = '"Qg"';
251    $opt{nvmantbits} = 112;
252    $opt{longdblkind} = 3;
253    $opt{longdblmantbits} = 64;
254    $opt{i_quadmath} = 'define';
255}
256else {
257    $opt{d_Gconvert} = 'sprintf((b),"%.*g",(n),(x))';
258    $opt{d_PRIEUldbl} = 'undef';
259    $opt{d_PRIFUldbl} = 'undef';
260    $opt{d_PRIGUldbl} = 'undef';
261
262    if($opt{cc} =~ /\b(?:cl|icl)/) {
263        $opt{d_modflproto} = 'undef';
264    }
265    else {
266        $opt{d_modflproto} = 'define';
267    }
268
269    $opt{d_strtold} = 'undef';
270    $opt{d_PRIeldbl} = 'undef';
271    $opt{d_PRIfldbl} = 'undef';
272    $opt{d_PRIgldbl} = 'undef';
273    $opt{d_SCNfldbl} = 'undef';
274    $opt{nvsize} = 8;
275    $opt{nvtype} = 'double';
276    $opt{nv_overflows_integers_at} = '256.0*256.0*256.0*256.0*256.0*256.0*2.0*2.0*2.0*2.0*2.0';
277    $opt{nvEUformat} = '"E"';
278    $opt{nvFUformat} = '"F"';
279    $opt{nvGUformat} = '"G"';
280    $opt{nveformat} = '"e"';
281    $opt{nvfformat} = '"f"';
282    $opt{nvgformat} = '"g"';
283}
284
285# change some configuration variables based on compiler version
286if ($opt{cc} =~ /\bcl/ and $opt{ccversion} =~ /^(\d+)/) {
287    my $ccversion = $1;
288    if ($ccversion >= 14) { # VC8+
289	$opt{sGMTIME_max} = 32535291599;
290	$opt{sLOCALTIME_max} = 32535244799;
291    }
292    if ($ccversion >= 16 && !$prebuilt) { # VC10+
293	$opt{i_stdint} = 'define';
294    }
295    if ($ccversion >= 19) { # VC14+
296	$opt{stdio_base} = 'PERLIO_FILE_base(fp)';
297	$opt{stdio_bufsiz} = '(PERLIO_FILE_cnt(fp) + PERLIO_FILE_ptr(fp) - PERLIO_FILE_base(fp))';
298	$opt{stdio_cnt} = 'PERLIO_FILE_cnt(fp)';
299	$opt{stdio_ptr} = 'PERLIO_FILE_ptr(fp)';
300	$opt{i_stdbool} = 'define' unless $prebuilt;
301    }
302}
303# find out which MSVC this ICC is using
304elsif ($opt{cc} =~ /\bicl/) {
305    my $output = `cl 2>&1`;
306    my $num_ver = $output =~ /\b(\d+(?:\.\d+)+)\b/ ? $1 : '?';
307    if ($num_ver =~ /^(\d+)/ && $1 >= 14) { # VC8+
308	$opt{sGMTIME_max} = 32535291599;
309	$opt{sLOCALTIME_max} = 32535244799;
310    }
311    if ($num_ver =~ /^(\d+)/ && $1 >= 16) { # VC10+
312	$opt{i_stdint} = 'define';
313    }
314    if ($num_ver =~ /^(\d+)/ && $1 >= 19) { # VC14+
315	$opt{stdio_base} = 'PERLIO_FILE_base(fp)';
316	$opt{stdio_bufsiz} = '(PERLIO_FILE_cnt(fp) + PERLIO_FILE_ptr(fp) - PERLIO_FILE_base(fp))';
317	$opt{stdio_cnt} = 'PERLIO_FILE_cnt(fp)';
318	$opt{stdio_ptr} = 'PERLIO_FILE_ptr(fp)';
319	$opt{i_stdbool} = 'define';
320    }
321    $opt{ar} ='xilib';
322}
323
324if ($opt{useithreads} eq 'define' && $opt{ccflags} =~ /-DPERL_IMPLICIT_SYS\b/) {
325    $opt{d_pseudofork} = 'define';
326}
327
328if ($opt{usecplusplus} eq 'define') {
329    $opt{d_cplusplus} = 'define';
330    $opt{extern_C} = 'extern "C"';
331}
332
333#if the fields above are defined, they override the defaults in the premade
334#config file
335while (<>) {
336    s/~([\w_]+)~/exists $opt{$1} ? $opt{$1} : ''/eg;
337    if (/^([\w_]+)=(.*)$/) {
338	my($k,$v) = ($1,$2);
339	# this depends on cf_time being empty in the template (or we'll
340	# get a loop)
341	if ($k eq 'cf_time') {
342	    $_ = "$k='" . localtime(time) . "'\n" if $v =~ /^\s*'\s*'/;
343	}
344	elsif (exists $opt{$k}) {
345	    $_ = "$k='$opt{$k}'\n";
346	}
347    }
348    print;
349}
350