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1 | #!./miniperl |
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2 | use strict; |
3 | use warnings; |
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4 | use Config; |
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5 | use Cwd; |
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6 | |
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7 | # This script acts as a simple interface for building extensions. |
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8 | |
9 | # It's actually a cut and shut of the Unix version ext/utils/makeext and the |
10 | # Windows version win32/build_ext.pl hence the two invocation styles. |
11 | |
12 | # On Unix, it primarily used by the perl Makefile one extention at a time: |
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13 | # |
14 | # d_dummy $(dynamic_ext): miniperl preplibrary FORCE |
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15 | # @$(RUN) ./miniperl make_ext.pl --target=dynamic $@ MAKE=$(MAKE) LIBPERL_A=$(LIBPERL) |
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16 | # |
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17 | # On Windows or VMS, |
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18 | # If '--static' is specified, static extensions will be built. |
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19 | # If '--dynamic' is specified, dynamic extensions will be built. |
20 | # If '--nonxs' is specified, nonxs extensions will be built. |
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21 | # If '--all' is specified, all extensions will be built. |
22 | # |
23 | # make_ext.pl "MAKE=make [-make_opts]" --dir=directory [--target=target] [--static|--dynamic|--all] +ext2 !ext1 |
24 | # |
25 | # E.g. |
26 | # |
27 | # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext |
28 | # |
29 | # make_ext.pl "MAKE=nmake -nologo" --dir=..\ext --target=clean |
30 | # |
31 | # make_ext.pl MAKE=dmake --dir=..\ext |
32 | # |
33 | # make_ext.pl MAKE=dmake --dir=..\ext --target=clean |
34 | # |
35 | # Will skip building extensions which are marked with an '!' char. |
36 | # Mostly because they still not ported to specified platform. |
37 | # |
38 | # If any extensions are listed with a '+' char then only those |
39 | # extensions will be built, but only if they arent countermanded |
40 | # by an '!ext' and are appropriate to the type of building being done. |
41 | |
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42 | # It may be deleted in a later release of perl so try to |
43 | # avoid using it for other purposes. |
44 | |
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45 | my $is_Win32 = $^O eq 'MSWin32'; |
46 | my $is_VMS = $^O eq 'VMS'; |
47 | my $is_Unix = !$is_Win32 && !$is_VMS; |
48 | |
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49 | require FindExt if $is_Win32; |
50 | |
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51 | my (%excl, %incl, %opts, @extspec, @pass_through); |
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52 | |
53 | foreach (@ARGV) { |
54 | if (/^!(.*)$/) { |
55 | $excl{$1} = 1; |
56 | } elsif (/^\+(.*)$/) { |
57 | $incl{$1} = 1; |
58 | } elsif (/^--([\w\-]+)$/) { |
59 | $opts{$1} = 1; |
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60 | } elsif (/^--([\w\-]+)=(.*)$/) { |
61 | $opts{$1} = $2; |
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62 | } elsif (/=/) { |
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63 | push @pass_through, $_; |
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64 | } elsif (length) { |
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65 | push @extspec, $_; |
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66 | } |
67 | } |
68 | |
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69 | my $static = $opts{static} || $opts{all}; |
70 | my $dynamic = $opts{dynamic} || $opts{all}; |
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71 | my $nonxs = $opts{nonxs} || $opts{all}; |
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72 | |
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73 | # The Perl Makefile.SH will expand all extensions to |
74 | # lib/auto/X/X.a (or lib/auto/X/Y/Y.a if nested) |
75 | # A user wishing to run make_ext might use |
76 | # X (or X/Y or X::Y if nested) |
77 | |
78 | # canonise into X/Y form (pname) |
79 | |
80 | foreach (@extspec) { |
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81 | if (s{^lib/auto/}{}) { |
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82 | # Remove lib/auto prefix and /*.* suffix |
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83 | s{/[^/]+\.[^/]+$}{}; |
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84 | } elsif (s{^ext/}{}) { |
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85 | # Remove ext/ prefix and /pm_to_blib suffix |
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86 | s{/pm_to_blib$}{}; |
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87 | # Targets are given as files on disk, but the extension spec is still |
88 | # written using /s for each :: |
89 | tr!-!/!; |
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90 | } elsif (s{::}{\/}g) { |
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91 | # Convert :: to / |
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92 | } else { |
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93 | s/\..*o//; |
94 | } |
95 | } |
96 | |
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97 | my $makecmd = shift @pass_through; # Should be something like MAKE=make |
98 | unshift @pass_through, 'PERL_CORE=1'; |
99 | |
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100 | my $dir = $opts{dir} || 'ext'; |
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101 | my $target = $opts{target}; |
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102 | $target = 'all' unless defined $target; |
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103 | |
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104 | # Previously, $make was taken from config.sh. However, the user might |
105 | # instead be running a possibly incompatible make. This might happen if |
106 | # the user types "gmake" instead of a plain "make", for example. The |
107 | # correct current value of MAKE will come through from the main perl |
108 | # makefile as MAKE=/whatever/make in $makecmd. We'll be cautious in |
109 | # case third party users of this script (are there any?) don't have the |
110 | # MAKE=$(MAKE) argument, which was added after 5.004_03. |
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111 | unless(defined $makecmd and $makecmd =~ /^MAKE=(.*)$/) { |
112 | die "$0: WARNING: Please include MAKE=\$(MAKE) in \@ARGV\n"; |
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113 | } |
114 | |
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115 | # This isn't going to cope with anything fancy, such as spaces inside command |
116 | # names, but neither did what it replaced. Once there is a use case that needs |
117 | # it, please supply patches. Until then, I'm sticking to KISS |
118 | my @make = split ' ', $1 || $Config{make} || $ENV{MAKE}; |
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119 | # Using an array of 0 or 1 elements makes the subsequent code simpler. |
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120 | my @run = $Config{run}; |
121 | @run = () if not defined $run[0] or $run[0] eq ''; |
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122 | |
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123 | |
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124 | if ($target eq '') { |
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125 | die "make_ext: no make target specified (eg all or clean)\n"; |
126 | } elsif ($target !~ /(?:^all|clean)$/) { |
127 | # for the time being we are strict about what make_ext is used for |
128 | die "$0: unknown make target '$target'\n"; |
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129 | } |
130 | |
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131 | if (!@extspec and !$static and !$dynamic and !$nonxs) { |
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132 | die "$0: no extension specified\n"; |
133 | } |
134 | |
135 | my $perl; |
136 | my %extra_passthrough; |
137 | |
138 | if ($is_Win32) { |
139 | (my $here = getcwd()) =~ s{/}{\\}g; |
140 | $perl = $^X; |
141 | if ($perl =~ m#^\.\.#) { |
142 | $perl = "$here\\$perl"; |
143 | } |
144 | (my $topdir = $perl) =~ s/\\[^\\]+$//; |
145 | # miniperl needs to find perlglob and pl2bat |
146 | $ENV{PATH} = "$topdir;$topdir\\win32\\bin;$ENV{PATH}"; |
147 | my $pl2bat = "$topdir\\win32\\bin\\pl2bat"; |
148 | unless (-f "$pl2bat.bat") { |
149 | my @args = ($perl, ("$pl2bat.pl") x 2); |
150 | print "@args\n"; |
151 | system(@args) unless defined $::Cross::platform; |
152 | } |
153 | |
154 | print "In ", getcwd(); |
155 | chdir($dir) || die "Cannot cd to $dir\n"; |
156 | (my $ext = getcwd()) =~ s{/}{\\}g; |
157 | FindExt::scan_ext($ext); |
158 | FindExt::set_static_extensions(split ' ', $Config{static_ext}); |
159 | |
160 | my @ext; |
161 | push @ext, FindExt::static_ext() if $static; |
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162 | push @ext, FindExt::dynamic_ext() if $dynamic; |
163 | push @ext, FindExt::nonxs_ext() if $nonxs; |
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164 | |
165 | foreach (sort @ext) { |
166 | if (%incl and !exists $incl{$_}) { |
167 | #warn "Skipping extension $ext\\$_, not in inclusion list\n"; |
168 | next; |
169 | } |
170 | if (exists $excl{$_}) { |
171 | warn "Skipping extension $ext\\$_, not ported to current platform"; |
172 | next; |
173 | } |
174 | push @extspec, $_; |
175 | if(FindExt::is_static($_)) { |
176 | push @{$extra_passthrough{$_}}, 'LINKTYPE=static'; |
177 | } |
178 | } |
179 | chdir '..'; # now in the Perl build directory |
180 | } |
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181 | elsif ($is_VMS) { |
182 | $perl = $^X; |
183 | push @extspec, (split ' ', $Config{static_ext}) if $static; |
184 | push @extspec, (split ' ', $Config{dynamic_ext}) if $dynamic; |
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185 | push @extspec, (split ' ', $Config{nonxs_ext}) if $nonxs; |
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186 | } |
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187 | |
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188 | foreach my $spec (@extspec) { |
189 | my $mname = $spec; |
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190 | $mname =~ s!/!::!g; |
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191 | my $ext_pathname; |
192 | if (-d "ext/$spec") { |
193 | # Old style ext/Data/Dumper/ |
194 | $ext_pathname = "ext/$spec"; |
195 | } else { |
196 | # New style ext/Data-Dumper/ |
197 | my $copy = $spec; |
198 | $copy =~ tr!/!-!; |
199 | $ext_pathname = "ext/$copy"; |
200 | } |
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201 | |
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202 | if ($Config{osname} eq 'catamount') { |
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203 | # Snowball's chance of building extensions. |
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204 | die "This is $Config{osname}, not building $mname, sorry.\n"; |
205 | } |
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206 | |
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207 | print "\tMaking $mname ($target)\n"; |
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208 | |
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209 | build_extension($ext_pathname, $perl, $mname, |
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210 | [@pass_through, @{$extra_passthrough{$spec} || []}]); |
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211 | } |
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212 | |
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213 | sub build_extension { |
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214 | my ($ext_dir, $perl, $mname, $pass_through) = @_; |
215 | |
216 | my $up = $ext_dir; |
217 | $up =~ s![^/]+!..!g; |
218 | |
219 | $perl ||= "$up/miniperl"; |
220 | my $return_dir = $up; |
221 | my $lib_dir = "$up/lib"; |
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222 | $ENV{PERL5LIB} = $lib_dir; |
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223 | |
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224 | unless (chdir "$ext_dir") { |
225 | warn "Cannot cd to $ext_dir: $!"; |
226 | return; |
227 | } |
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228 | my $makefile; |
229 | if ($is_VMS) { |
230 | $makefile = 'descrip.mms'; |
231 | if ($target =~ /clean$/ |
232 | && !-f $makefile |
233 | && -f "${makefile}_old") { |
234 | $makefile = "${makefile}_old"; |
235 | } |
236 | } else { |
237 | $makefile = 'Makefile'; |
238 | } |
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239 | |
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240 | if (!-f $makefile) { |
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241 | if (!-f 'Makefile.PL') { |
242 | print "\nCreating Makefile.PL in $ext_dir for $mname\n"; |
243 | # We need to cope well with various possible layouts |
244 | my @dirs = split /::/, $mname; |
245 | my $leaf = pop @dirs; |
246 | my $leafname = "$leaf.pm"; |
247 | my $pathname = join '/', @dirs, $leafname; |
248 | my @locations = ($leafname, $pathname, "lib/$pathname"); |
249 | my $fromname; |
250 | foreach (@locations) { |
251 | if (-f $_) { |
252 | $fromname = $_; |
253 | last; |
254 | } |
255 | } |
256 | |
257 | unless ($fromname) { |
258 | die "For $mname tried @locations in in $ext_dir but can't find source"; |
259 | } |
260 | open my $fh, '>', 'Makefile.PL' |
261 | or die "Can't open Makefile.PL for writing: $!"; |
262 | print $fh <<"EOM"; |
263 | #-*- buffer-read-only: t -*- |
264 | |
265 | # This Makefile.PL was written by $0. |
266 | # It will be deleted automatically by make realclean |
267 | |
268 | use strict; |
269 | use ExtUtils::MakeMaker; |
270 | |
271 | WriteMakefile( |
272 | NAME => '$mname', |
273 | VERSION_FROM => '$fromname', |
274 | ABSTRACT_FROM => '$fromname', |
275 | realclean => {FILES => 'Makefile.PL'}, |
276 | ); |
277 | |
278 | # ex: set ro: |
279 | EOM |
280 | close $fh or die "Can't close Makefile.PL: $!"; |
281 | } |
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282 | print "\nRunning Makefile.PL in $ext_dir\n"; |
283 | |
284 | # Presumably this can be simplified |
285 | my @cross; |
286 | if (defined $::Cross::platform) { |
287 | # Inherited from win32/buildext.pl |
288 | @cross = "-MCross=$::Cross::platform"; |
289 | } elsif ($opts{cross}) { |
290 | # Inherited from make_ext.pl |
291 | @cross = '-MCross'; |
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292 | } |
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293 | |
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294 | my @args = (@cross, 'Makefile.PL'); |
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295 | if ($is_VMS) { |
296 | my $libd = VMS::Filespec::vmspath($lib_dir); |
297 | push @args, "INST_LIB=$libd", "INST_ARCHLIB=$libd"; |
298 | } else { |
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299 | push @args, 'INSTALLDIRS=perl', 'INSTALLMAN1DIR=none', |
300 | 'INSTALLMAN3DIR=none'; |
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301 | } |
302 | push @args, @$pass_through; |
303 | _quote_args(\@args) if $is_VMS; |
304 | print join(' ', @run, $perl, @args), "\n"; |
305 | my $code = system @run, $perl, @args; |
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306 | warn "$code from $ext_dir\'s Makefile.PL" if $code; |
307 | |
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308 | # Right. The reason for this little hack is that we're sitting inside |
309 | # a program run by ./miniperl, but there are tasks we need to perform |
310 | # when the 'realclean', 'distclean' or 'veryclean' targets are run. |
311 | # Unfortunately, they can be run *after* 'clean', which deletes |
312 | # ./miniperl |
313 | # So we do our best to leave a set of instructions identical to what |
314 | # we would do if we are run directly as 'realclean' etc |
315 | # Whilst we're perfect, unfortunately the targets we call are not, as |
316 | # some of them rely on a $(PERL) for their own distclean targets. |
317 | # But this always used to be a problem with the old /bin/sh version of |
318 | # this. |
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319 | if ($is_Unix) { |
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320 | my $suffix = '.sh'; |
321 | foreach my $clean_target ('realclean', 'veryclean') { |
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322 | my $file = "$return_dir/$clean_target$suffix"; |
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323 | open my $fh, '>>', $file or die "open $file: $!"; |
324 | # Quite possible that we're being run in parallel here. |
325 | # Can't use Fcntl this early to get the LOCK_EX |
326 | flock $fh, 2 or warn "flock $file: $!"; |
327 | print $fh <<"EOS"; |
328 | cd $ext_dir |
329 | if test ! -f Makefile -a -f Makefile.old; then |
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330 | echo "Note: Using Makefile.old" |
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331 | make -f Makefile.old $clean_target MAKE='@make' @pass_through |
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332 | else |
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333 | if test ! -f Makefile ; then |
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334 | echo "Warning: No Makefile!" |
335 | fi |
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336 | make $clean_target MAKE='@make' @pass_through |
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337 | fi |
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338 | cd $return_dir |
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339 | EOS |
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340 | close $fh or die "close $file: $!"; |
341 | } |
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342 | } |
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343 | } |
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344 | |
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345 | if (not -f $makefile) { |
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346 | print "Warning: No Makefile!\n"; |
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347 | } |
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348 | |
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349 | if ($is_VMS) { |
350 | _macroify_passthrough($pass_through); |
351 | unshift @$pass_through, "/DESCRIPTION=$makefile"; |
352 | } |
353 | |
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354 | if (!$target or $target !~ /clean$/) { |
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355 | # Give makefile an opportunity to rewrite itself. |
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356 | # reassure users that life goes on... |
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357 | my @args = ('config', @$pass_through); |
358 | _quote_args(\@args) if $is_VMS; |
359 | system(@run, @make, @args) and print "@run @make @args failed, continuing anyway...\n"; |
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360 | } |
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361 | my @targ = ($target, @$pass_through); |
362 | _quote_args(\@targ) if $is_VMS; |
363 | print "Making $target in $ext_dir\n@run @make @targ\n"; |
364 | my $code = system(@run, @make, @targ); |
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365 | die "Unsuccessful make($ext_dir): code=$code" if $code != 0; |
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366 | |
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367 | chdir $return_dir || die "Cannot cd to $return_dir: $!"; |
368 | } |
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369 | |
370 | sub _quote_args { |
371 | my $args = shift; # must be array reference |
372 | |
373 | # Do not quote qualifiers that begin with '/'. |
374 | map { if (!/^\//) { |
375 | $_ =~ s/\"/""/g; # escape C<"> by doubling |
376 | $_ = q(").$_.q("); |
377 | } |
378 | } @{$args} |
379 | ; |
380 | } |
381 | |
382 | sub _macroify_passthrough { |
383 | my $passthrough = shift; |
384 | _quote_args($passthrough); |
385 | my $macro = '/MACRO=(' . join(',',@$passthrough) . ')'; |
386 | @$passthrough = (); |
387 | @$passthrough[0] = $macro; |
388 | } |