summaryrefslogtreecommitdiff
blob: b94dfcf6d2c53ef2a0d8c2bb0f73e68d09bdae40 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit alternatives flag-o-matic toolchain-funcs multilib multiprocessing

PATCH_VER=1
CROSS_VER=1.3.6
PATCH_BASE="perl-5.34.0-patches-${PATCH_VER}"
PATCH_DEV=dilfridge

DIST_AUTHOR=XSAWYERX

# Greatest first, don't include yourself
# Devel point-releases are not ABI-intercompatible, but stable point releases are
# BIN_OLDVERSEN contains only C-ABI-intercompatible versions
PERL_BIN_OLDVERSEN=""

if [[ "${PV##*.}" == "9999" ]]; then
	DIST_VERSION=5.30.0
else
	DIST_VERSION="${PV/_rc/-RC}"
fi
SHORT_PV="${DIST_VERSION%.*}"

# Even numbered major versions are ABI intercompatible
# Odd numbered major versions are not
if [[ $(( ${SHORT_PV#*.} % 2 )) == 1 ]]; then
	SUBSLOT="${DIST_VERSION%-RC*}"
else
	SUBSLOT="${DIST_VERSION%.*}"
fi

# Used only in tar paths
MY_P="perl-${DIST_VERSION}"
# Used in library paths
MY_PV="${DIST_VERSION%-RC*}"

DESCRIPTION="Larry Wall's Practical Extraction and Report Language"

SRC_URI="
	mirror://cpan/src/5.0/${MY_P}.tar.xz
	mirror://cpan/authors/id/${DIST_AUTHOR:0:1}/${DIST_AUTHOR:0:2}/${DIST_AUTHOR}/${MY_P}.tar.xz
	https://github.com/gentoo-perl/perl-patchset/releases/download/${PATCH_BASE}/${PATCH_BASE}.tar.xz
	https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${PATCH_BASE}.tar.xz
	https://github.com/arsv/perl-cross/releases/download/${CROSS_VER}/perl-cross-${CROSS_VER}.tar.gz
"
HOMEPAGE="https://www.perl.org/"

LICENSE="|| ( Artistic GPL-1+ )"
SLOT="0/${SUBSLOT}"

if [[ "${PV##*.}" != "9999" ]] && [[ "${PV/rc//}" == "${PV}" ]] ; then
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
fi

IUSE="berkdb debug doc gdbm ithreads minimal quadmath"

RDEPEND="
	berkdb? ( sys-libs/db:= )
	gdbm? ( >=sys-libs/gdbm-1.8.3:= )
	app-arch/bzip2
	sys-libs/zlib
	virtual/libcrypt:=
"
DEPEND="${RDEPEND}"
BDEPEND="${RDEPEND}"

PDEPEND="
	!minimal? (
		>=app-admin/perl-cleaner-2.5
		>=virtual/perl-CPAN-2.290.0
		>=virtual/perl-Encode-3.120.0
		>=virtual/perl-File-Temp-0.230.400-r2
		>=virtual/perl-Data-Dumper-2.154.0
		virtual/perl-Test-Harness
	)
"
# bug 390719, bug 523624
# virtual/perl-Test-Harness is here for the bundled ExtUtils::MakeMaker

S="${WORKDIR}/${MY_P}"

dual_scripts() {
	src_remove_dual      perl-core/Archive-Tar        2.380.0       ptar ptardiff ptargrep
	src_remove_dual      perl-core/CPAN               2.280.0       cpan
	src_remove_dual      perl-core/Digest-SHA         6.20.0        shasum
	src_remove_dual      perl-core/Encode             3.80.0        enc2xs piconv
	src_remove_dual      perl-core/ExtUtils-MakeMaker 7.620.0       instmodsh
	src_remove_dual      perl-core/ExtUtils-ParseXS   3.430.0       xsubpp
	src_remove_dual      perl-core/IO-Compress        2.102.0        zipdetails
	src_remove_dual      perl-core/JSON-PP            4.60.0        json_pp
	src_remove_dual      perl-core/Module-CoreList    5.202.105.200 corelist
	src_remove_dual      perl-core/Pod-Checker        1.740.0       podchecker
	src_remove_dual      perl-core/Pod-Perldoc        3.280.100     perldoc
	src_remove_dual      perl-core/Pod-Usage          2.10.0       pod2usage
	src_remove_dual      perl-core/Test-Harness       3.430.0       prove
	src_remove_dual      perl-core/podlators          4.140.0       pod2man pod2text
	src_remove_dual_man  perl-core/podlators          4.140.0       /usr/share/man/man1/perlpodstyle.1
}

check_rebuild() {
	# Fresh install
	if [[ -z "${REPLACING_VERSIONS}" ]]; then
		return 0;
	# Major Upgrade
	# doesn't matter if there's multiple copies, it still needs a rebuild
	# if the string is anything other than "5.CURRENTMAJOR"
	elif [[ "${REPLACING_VERSIONS%.*}" != "${PV%.*}" ]]; then
		echo ""
		ewarn "UPDATE THE PERL MODULES:"
		ewarn "After updating dev-lang/perl the installed Perl modules"
		ewarn "have to be re-installed. In most cases, this is done automatically"
		ewarn "by the package manager, but subsequent steps are still recommended"
		ewarn "to ensure system consistency."
		ewarn
		ewarn "You should start with a depclean to remove any unused perl dependencies"
		ewarn "that may confuse portage in future. Regular depcleans are also encouraged"
		ewarn "as part of your regular update cycle, as that will keep perl upgrades working."
		ewarn "Recommended: emerge --depclean -va"
		ewarn
		ewarn "You should then call perl-cleaner to clean up any old files and trigger any"
		ewarn "remaining rebuilds portage may have missed."
		ewarn "Use: perl-cleaner --all"
		return 0;

	# Reinstall w/ USE Change
	elif
		 (   use ithreads && ! has_version dev-lang/perl[ithreads] ) || \
		 ( ! use ithreads &&   has_version dev-lang/perl[ithreads] ) || \
		 (   use quadmath && ! has_version dev-lang/perl[quadmath] ) || \
		 ( ! use quadmath &&   has_version dev-lang/perl[quadmath] ) || \
		 (   use debug    && ! has_version dev-lang/perl[debug]    ) || \
		 ( ! use debug    &&   has_version dev-lang/perl[debug]    ) ; then
		echo ""
		ewarn "TOGGLED USE-FLAGS WARNING:"
		ewarn "You changed one of the use-flags ithreads, quadmath, or debug."
		ewarn "You must rebuild all perl-modules installed."
		ewarn "Use: perl-cleaner --modules ; perl-cleaner --force --libperl"
	fi
}

pkg_setup() {
	case ${CHOST} in
		*-freebsd*)   osname="freebsd" ;;
		*-dragonfly*) osname="dragonfly" ;;
		*-netbsd*)    osname="netbsd" ;;
		*-openbsd*)   osname="openbsd" ;;
		*-darwin*)    osname="darwin" ;;
		*-solaris*)   osname="solaris" ;;
		*-cygwin*)    osname="cygwin" ;;
		*)            osname="linux" ;;
	esac

	myarch="${CHOST%%-*}-${osname}"
	if use debug ; then
		myarch+="-debug"
	fi
	if use quadmath ; then
		myarch+="-quadmath"
	fi
	if use ithreads ; then
		mythreading="-multi"
		myarch+="-thread"
	fi

	PRIV_BASE="/usr/$(get_libdir)/perl5"
	SITE_BASE="/usr/local/$(get_libdir)/perl5"
	VENDOR_BASE="/usr/$(get_libdir)/perl5/vendor_perl"

	LIBPERL="libperl$(get_libname ${MY_PV} )"

	PRIV_LIB="${PRIV_BASE}/${SUBSLOT}"
	ARCH_LIB="${PRIV_BASE}/${SUBSLOT}/${myarch}${mythreading}"
	SITE_LIB="${SITE_BASE}/${SUBSLOT}"
	SITE_ARCH="${SITE_BASE}/${SUBSLOT}/${myarch}${mythreading}"
	VENDOR_LIB="${VENDOR_BASE}/${SUBSLOT}"
	VENDOR_ARCH="${VENDOR_BASE}/${SUBSLOT}/${myarch}${mythreading}"

	dual_scripts
}

src_remove_dual_file() {
	local i pkg ver
	pkg="$1"
	ver="$2"
	shift 2
	case "${EBUILD_PHASE:-none}" in
		postinst|postrm)
			for i in "$@" ; do
				alternatives_auto_makesym "${i}" "${i}-[0-9]*"
			done
			;;
		setup)
			for i in "$@" ; do
				if [[ -f ${EROOT}${i} && ! -h ${EROOT}${i} ]] ; then
					has_version ${pkg} && ewarn "You must reinstall ${pkg} !"
					break
				fi
			done
			;;
		install)
			for i in "$@" ; do
				if ! [[ -f "${ED}"${i} ]] ; then
					ewarn "${i} does not exist!"
					continue
				fi
				mv "${ED}"${i}{,-${ver}-${P}} || die
			done
			;;
	esac
}

src_remove_dual_man() {
	local i pkg ver ff
	pkg="$1"
	ver="$2"
	shift 2
	case "${EBUILD_PHASE:-none}" in
		postinst|postrm)
			for i in "$@" ; do
				ff=`echo "${EROOT}${i%.[0-9]}-${ver}-${P}${i#${i%.[0-9]}}"*`
				ff=${ff##*${i#${i%.[0-9]}}}
				alternatives_auto_makesym "${i}${ff}" "${i%.[0-9]}-[0-9]*"
			done
			;;
		install)
			for i in "$@" ; do
				if ! [[ -f "${ED}"${i} ]] ; then
					ewarn "${i} does not exist!"
					continue
				fi
				mv "${ED}"${i} "${ED}"${i%.[0-9]}-${ver}-${P}${i#${i%.[0-9]}} || die
			done
			;;
	esac
}

src_remove_dual() {
	local i pkg ver
	pkg="$1"
	ver="$2"
	shift 2
	for i in "$@" ; do
		src_remove_dual_file  "${pkg}" "${ver}" "/usr/bin/${i}"
		src_remove_dual_man   "${pkg}" "${ver}" "/usr/share/man/man1/${i}.1"
	done
}

src_prepare_perlcross() {
	cp -a ../perl-cross-${CROSS_VER}/* . || die

	# bug 794463, needs further analysis what is exactly wrong here
	eapply "${FILESDIR}/perl-5.34.0-crossfit.patch"

	# bug 604072
	MAKEOPTS+=" -j1"
	export MAKEOPTS
}

src_prepare_dynamic() {
	ln -s ${LIBPERL} libperl$(get_libname ${SHORT_PV}) || die
	ln -s ${LIBPERL} libperl$(get_libname ) || die
}

# Copy a patch into the patch series
# add_patch SRC_PATH DEST_NAME ['description'] ['bug'] ['bug']
# - description is optional, but recommended
# - all arguments after descriptions are bug URLs
add_patch() {
	local patchdir="${WORKDIR}/patches"
	local infodir="${WORKDIR}/patch-info"
	local src_name dest_name desc
	src_name="$1"
	dest_name="$2"
	desc="$3"
	shift; shift; shift;
	einfo "Adding ${dest_name} to patch bundle"
	cp "${src_name}" "${patchdir}/${dest_name}" || die "Couldn't copy ${src_name} to ${dest_name}"
	if [[ -n "${desc}" ]]; then
		printf "%s" "${desc}" > "${infodir}/${dest_name}.desc" || die "Couldn't write ${dest_name}.desc"
	fi
	if [[ $# -gt 0 ]]; then
		# Note: when $@ is more than one element, this emits a
		# line for each element
		printf "%s\n" "$@" > "${infodir}/${dest_name}.bugs" || die "Couldn't write ${dest_name}.bugs"
	fi
}

# Remove a patch using a glob expr
# eg:
#	 rm_patch *-darwin-Use-CC*
#
rm_patch() {
	local patchdir="${WORKDIR}/patches"
	local expr="$1"
	local patch="$( cd "${patchdir}"; echo $expr )"
	einfo "Removing $patch ($expr) from patch bundle"
	if [[ -e "${patchdir}/${patch}" ]]; then
		rm -f "${patchdir}/${patch}" || die "Can't remove ${patch} ( $expr )"
	else
		ewarn "No ${expr} found in ${patchdir} to remove"
	fi
}

# Yes, this is a reasonable amount of code for something seemingly simple
# but this is far easier to debug when things go wrong, and things went wrong
# multiple times while I was getting the exact number of slashes right, which
# requires circumnavigating both bash and sed escape mechanisms.
c_escape_string() {
	local slash dquote
	slash='\'
	dquote='"'
	re_slash="${slash}${slash}"
	re_dquote="${slash}${dquote}"

	# Convert \ to \\,
	#         " to \"
	echo "$1" |\
		sed "s|${re_slash}|${re_slash}${re_slash}|g" |\
		sed "s|${re_dquote}|${re_slash}${re_dquote}|g"
}
c_escape_file() {
	c_escape_string "$(cat "$1")"
}

apply_patchdir() {
	local patchdir="${WORKDIR}/patches"
	local infodir="${WORKDIR}/patch-info"
	local patchoutput="patchlevel-gentoo.h"

	# Inject Patch-Level info into description for patchlevel.h patch
	# to show in -V
	local patch_expr="*List-packaged-patches*"
	local patch="$( cd "${patchdir}"; echo $patch_expr )";
	einfo "Injecting patch-level info into ${patch}.desc ( $patch_expr )"

	if [[ -e "${patchdir}/${patch}" ]]; then
		printf "List packaged patches for %s(%s) in patchlevel.h" "${PF}" "${PATCH_BASE}"\
			>"${infodir}/${patch}.desc" || die "Can't rewrite ${patch}.desc"
	else
		eerror "No $patch_expr found in ${patchdir}"
	fi

	# Compute patch list to apply
	# different name other than PATCHES to stop default
	# reapplying it
	# Single depth is currently only supported, as artifacts can reside
	# from the old layout being multiple-directories, as well as it grossly
	# simplifying the patchlevel_gentoo.h generation.
	local PERL_PATCHES=($(
		find "${patchdir}" -maxdepth 1 -mindepth 1 -type f -printf "%f\n" |\
			grep -E '[.](diff|patch)$' |\
			sort -n
	))

	for patch in "${PERL_PATCHES[@]}"; do
		eapply "${WORKDIR}"/patches/${patch}
	done

	einfo "Generating $patchoutput"

	# This code creates a header file, each iteration
	# creates one-or-more-lines for each entry found in PERL_PATCHES
	# and STDOUT is redirected to the .h file
	for patch in "${PERL_PATCHES[@]}"; do
		local desc_f="${infodir}/${patch}.desc"
		local bugs_f="${infodir}/${patch}.bugs"

		printf ',"%s"\n' "${patch}"
		if [[ ! -e "${desc_f}" ]]; then
			ewarn "No description provided for ${patch} (expected: ${desc_f} )"
		else
			local desc="$(c_escape_file "${desc_f}")"
			printf ',"- %s"\n' "${desc}"
		fi
		if [[ -e "${bugs_f}" ]]; then
			while read -d $'\n' -r line; do
				local esc_line="$(c_escape_string "${line}")"
				printf ',"- Bug: %s"\n' "${esc_line}"
			done <"${bugs_f}"
		fi
	done > "${S}/${patchoutput}"
	printf "%s\n" "${patchoutput}" >> "${S}/MANIFEST"

}

src_prepare() {
	local patchdir="${WORKDIR}/patches"

	# Prepare Patch dir with additional patches / remove unwanted patches
	# Inject bug/desc entries for perl -V
	# Old example:
	# add_patch "${FILESDIR}/${PN}-5.26.2-hppa.patch" "100-5.26.2-hppa.patch"\
	#		"Fix broken miniperl on hppa"\
	#		"https://bugs.debian.org/869122" "https://bugs.gentoo.org/634162"

	add_patch "${FILESDIR}/${P}-gdbm-1.20.patch" "0101-Fix-build-with-gdb120.patch"\
			"Fix GDBM_File to compile with version 1.20 and earlier"\
			"https://bugs.gentoo.org/802945"

	if use prefix ; then
		add_patch "${FILESDIR}/${P}"-fallback-getcwd-pwd.patch "0102-5.34.0-fallback-get-cwd-pwd.patch"\
			"Fix installation during Prefix bootstrap (finding 'pwd' from coreutils)"\
			"https://bugs.gentoo.org/818172"
	fi

	if [[ ${CHOST} == *-solaris* ]] ; then
		# do NOT mess with nsl, on Solaris this is always necessary,
		# when -lsocket is used e.g. to get h_errno
		rm_patch "*-nsl-and-cl*"
	fi

	apply_patchdir

	tc-is-cross-compiler && src_prepare_perlcross

	tc-is-static-only || src_prepare_dynamic

	if use gdbm; then
		sed -i "s:INC => .*:INC => \"-I${EROOT}/usr/include/gdbm\":g" \
			ext/NDBM_File/Makefile.PL || die
	fi

	# Use errno.h from prefix rather than from host system, bug #645804
	if use prefix && [[ -e "${EPREFIX}"/usr/include/errno.h ]] ; then
		sed -i "/my..sysroot/s:'':'${EPREFIX}':" ext/Errno/Errno_pm.PL || die
	fi

	if [[ ${CHOST} == *-solaris* ]] ; then
		# set a soname, fix linking against just built libperl
		sed -i -e 's/netbsd\*/netbsd*|solaris*/' Makefile.SH || die
	fi

	if [[ ${CHOST} == *-darwin* ]] ; then
		# fix install_name (soname) not to reference $D
		sed -i -e '/install_name `pwd/s/`pwd`/\\$(shrpdir)/' Makefile.SH || die

		# fix environ linkage absence (only a real issue on Darwin9)
		if [[ ${CHOST##*-darwin} -le 9 ]] ; then
			sed -i -e '/^PLDLFLAGS =/s/=/= -include crt_externs.h -Denviron="(*_NSGetEnviron())"/' \
				Makefile.SH || die
		fi
	fi

	default
}

myconf() {
	# the myconf array is declared in src_configure
	myconf=( "${myconf[@]}" "$@" )
}

# Outputs a list of versions which have been seen in any of the
# primary perl @INC prefix paths, such as:
#  /usr/lib64/perl5/<NUMBER>
#  /usr/local/lib64/perl5/<NUMBER>
#  /usr/lib64/perl5/vendor_perl/<NUMBER>
#
# All values of NUMBER must be like "5.x.y" or like "5.x"
#
find_candidate_inc_versions() {
	local regex='.*/5[.][0-9]+\([.][0-9]+\|\)$'
	local dirs=(
		"${EROOT}${PRIV_BASE}"
		"${EROOT}${SITE_BASE}"
		"${EROOT}${VENDOR_BASE}"
	)
	for dir in "${dirs[@]}"; do
		if [[ ! -e "${dir}" ]]; then
			continue
		fi
		# Without access to readdir() on these dirs, find will not be able
		# to reveal any @INC directories inside them, and will subsequently prune
		# them from the built perl's @INC support, breaking our compatiblity options
		# entirely.
		if [[ ! -r "${dir}" || ! -x "${dir}" ]]; then
			eerror "Bad permissions on ${dir}, this will probably break things"
			eerror "Ensure ${dir} is +rx for at least uid=$EUID"
			eerror "Recommended permission is +rx for all"
			eerror "> chmod o+rx ${dir}"
		fi
	done
	einfo "Scanning for old @INC dirs matching '$regex' in: ${dirs[*]}"
	find "${dirs[@]}" -maxdepth 1 -mindepth 1 -type d -regex "${regex}" -printf "%f "  2>/dev/null
}

# Sort versions passed versiony-ly, remove self-version if present
# dedup. Takes each version as an argument
sanitize_inc_versions() {
	local vexclude="${SUBSLOT}"
	einfo "Normalizing/Sorting candidate list: $*"
	einfo " to remove '${vexclude}'"
	# Note, general numeric sort has to be used
	# for the last component, or unique will convert
	#  5.30.0 + 5.30 into just 5.30
	printf "%s\n" "$@" |\
		grep -vxF "${vexclude}" |\
		sort -u -nr -t'.' -k1,1rn -k2,2rn -k3,3rg
}

versions_to_inclist() {
	local oldv="${DIST_VERSION%-RC} ${PERL_BIN_OLDVERSEN}"

	for v;	do
			has "${v}" ${oldv} && echo -n "${v}/${myarch}${mythreading}/ ";
			echo -n "${v}/ ";
	done
}

versions_to_gentoolibdirs() {
	local oldv="${DIST_VERSION%-RC} ${PERL_BIN_OLDVERSEN}"
	local root
	local v
	for v;	do
		for root in "${PRIV_BASE}" "${VENDOR_BASE}" "${SITE_BASE}"; do
			local fullpath="${EROOT}${root}/${v}"
			if [[ -e "${fullpath}" ]]; then
				has "${v}" ${oldv} && printf "%s:" "${fullpath}/${myarch}${mythreading}";
				printf "%s:" "${fullpath}"
			fi
		done
	done
}

src_configure() {
	declare -a myconf

	export LC_ALL="C"
	[[ ${COLUMNS:-1} -ge 1 ]] || unset COLUMNS # bug #394091

	# Perl has problems compiling with -Os in your flags with glibc
	replace-flags "-Os" "-O2"

	# xlocale.h is going away in glibc-2.26, so it's counterproductive
	# if we use it and include it in CORE/perl.h ... Perl builds just
	# fine with glibc and locale.h only.
	# However, the darwin prefix people have no locale.h ...
	use elibc_glibc && myconf -Ui_xlocale

	# This flag makes compiling crash in interesting ways
	filter-flags "-malign-double"

	# Generic LTO broken since 5.28, triggers EUMM failures
	filter-flags "-flto"

	use sparc && myconf -Ud_longdbl

	export BUILD_BZIP2=0
	export BZIP2_INCLUDE=${EROOT}/usr/include
	export BZIP2_LIB=${EROOT}/usr/$(get_libdir)

	export BUILD_ZLIB=False
	export ZLIB_INCLUDE=${EROOT}/usr/include
	export ZLIB_LIB=${EROOT}/usr/$(get_libdir)

	# allow either gdbm to provide ndbm (in <gdbm/ndbm.h>) or db1
	myndbm='U'
	mygdbm='U'
	mydb='U'
	if use gdbm ; then
		mygdbm='D'
		if use berkdb ; then
			myndbm='D'
		fi
	fi
	if use berkdb ; then
		mydb='D'
		has_version '=sys-libs/db-1*' && myndbm='D'
	fi

	myconf "-${myndbm}i_ndbm" "-${mygdbm}i_gdbm" "-${mydb}i_db"

	if use alpha && [[ "$(tc-getCC)" = "ccc" ]] ; then
		ewarn "Perl will not be built with berkdb support, use gcc if you needed it..."
		myconf -Ui_db -Ui_ndbm
	fi

	use ithreads && myconf -Dusethreads

	use quadmath && myconf -Dusequadmath

	if use debug ; then
		append-cflags "-g"
		myconf -DDEBUGGING
	elif [[ ${CFLAGS} == *-g* ]] ; then
		myconf -DDEBUGGING=-g
	else
		myconf -DDEBUGGING=none
	fi

	# modifying 'optimize' prevents cross configure script from appending required flags
	if tc-is-cross-compiler; then
		append-cflags "-fwrapv -fno-strict-aliasing"
	fi

	# Autodiscover all old version directories, some of them will even be newer
	# if you downgrade
	if [[ -z ${PERL_OLDVERSEN} ]]; then
		PERL_OLDVERSEN="$( find_candidate_inc_versions )"
	fi

	# Fixup versions, removing self match, fixing order and dupes
	PERL_OLDVERSEN="$( sanitize_inc_versions ${PERL_OLDVERSEN} )"

	# Experts who want a "Pure" install can set PERL_OLDVERSEN to an empty string
	if [[ -n "${PERL_OLDVERSEN// }" ]]; then
		local inclist="$( versions_to_inclist ${PERL_OLDVERSEN} )"
		einfo "This version of perl may partially support modules previously"
		einfo "installed in any of the following paths:"
		for incpath in ${inclist}; do
			[[ -e "${EROOT}${VENDOR_BASE}/${incpath}" ]] && einfo " ${EROOT}${VENDOR_BASE}/${incpath}"
			[[ -e "${EROOT}${PRIV_BASE}/${incpath}"   ]] && einfo " ${EROOT}${PRIV_BASE}/${incpath}"
			[[ -e "${EROOT}${SITE_BASE}/${incpath}"   ]] && einfo " ${EROOT}${SITE_BASE}/${incpath}"
		done
		einfo "This is a temporary measure and you should aim to cleanup these paths"
		einfo "via world updates and perl-cleaner"
		# myconf -Dinc_version_list="${inclist}"
		myconf -Dgentoolibdirs="$( versions_to_gentoolibdirs ${PERL_OLDVERSEN} )"
	fi

	[[ ${ELIBC} == "FreeBSD" ]] && myconf "-Dlibc=/usr/$(get_libdir)/libc.a"

	# Make sure we can do the final link #523730, need to set deployment
	# target to override hardcoded 10.3 which breaks on modern OSX
	[[ ${CHOST} == *-darwin* ]] && \
		myconf "-Dld=env MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET} $(tc-getCC)"

	# Older macOS with non-Apple GCC chokes on inline in system headers
	# using c89 mode as injected by cflags.SH, in addition, we override
	# cflags, so we loose PERL_DARWIN which enables compat code that
	# apparently on more recent macOS releases is no longer necessary
	[[ ${CHOST} == *-darwin* && ${CHOST##*darwin} -le 9 ]] && tc-is-gcc && \
		append-cflags -Dinline=__inline__ -DPERL_DARWIN

	# flock on 32-bit sparc Solaris is broken, fall back to fcntl
	[[ ${CHOST} == sparc-*-solaris* ]] && \
		myconf -Ud_flock

	# Prefix: the host system needs not to follow Gentoo multilib stuff, and in
	# Prefix itself we don't do multilib either, so make sure perl can find
	# something compatible.
	if use prefix ; then
		# Set a hook to check for each detected library whether it actually works.
		export libscheck="
			( echo 'main(){}' > '${T}'/conftest.c &&
				$(tc-getCC) -o '${T}'/conftest '${T}'/conftest.c -l\$thislib >/dev/null 2>/dev/null
			) || xxx=/dev/null"

		# Use all host paths that might contain useful stuff, the hook above will filter out bad choices.
		local paths="/lib/*-linux-gnu /usr/lib/*-linux-gnu /lib64 /lib/64 /usr/lib64 /usr/lib/64 /lib32 /usr/lib32 /lib /usr/lib"
		myconf "-Dlibpth=${EPREFIX}/$(get_libdir) ${EPREFIX}/usr/$(get_libdir) ${paths}"
	elif [[ $(get_libdir) != "lib" ]] ; then
		# We need to use " and not ', as the written config.sh use ' ...
		myconf "-Dlibpth=/usr/local/$(get_libdir) /$(get_libdir) /usr/$(get_libdir)"
	fi

	# don't try building ODBM, bug #354453
	disabled_extensions="ODBM_File"

	if ! use gdbm ; then
		# workaround for bug #157774: don't try building GDBM related stuff with USE="-gdbm"
		disabled_extensions="${disabled_extensions} GDBM_File NDBM_File"
	fi

	myconf -Dnoextensions="${disabled_extensions}"

	[[ "${PV##*.}" == "9999" ]] && myconf -Dusedevel -Uversiononly

	[[ -n "${EXTRA_ECONF}" ]] && ewarn During Perl build, EXTRA_ECONF=${EXTRA_ECONF}
	# allow fiddling via EXTRA_ECONF, bug 558070
	eval "local -a EXTRA_ECONF=(${EXTRA_ECONF})"

	# setting -Dld= to tc-getLD breaks perl and all perl things
	# https://github.com/Perl/perl5/issues/17791#issuecomment-630145202
	myconf \
		-Duseshrplib \
		-Darchname="${myarch}" \
		-Dcc="$(tc-getCC)" \
		-Dar="$(tc-getAR)" \
		-Dnm="$(tc-getNM)" \
		-Dcpp="$(tc-getCPP)" \
		-Dranlib="$(tc-getRANLIB)" \
		-Dccflags="${CFLAGS}" \
		-Doptimize="${CFLAGS}" \
		-Dldflags="${LDFLAGS}" \
		-Dprefix="${EPREFIX}"'/usr' \
		-Dsiteprefix="${EPREFIX}"'/usr/local' \
		-Dvendorprefix="${EPREFIX}"'/usr' \
		-Dscriptdir="${EPREFIX}"'/usr/bin' \
		-Dprivlib="${EPREFIX}${PRIV_LIB}" \
		-Darchlib="${EPREFIX}${ARCH_LIB}" \
		-Dsitelib="${EPREFIX}${SITE_LIB}" \
		-Dsitearch="${EPREFIX}${SITE_ARCH}" \
		-Dvendorlib="${EPREFIX}${VENDOR_LIB}" \
		-Dvendorarch="${EPREFIX}${VENDOR_ARCH}" \
		-Dman1dir="${EPREFIX}"/usr/share/man/man1 \
		-Dman3dir="${EPREFIX}"/usr/share/man/man3 \
		-Dsiteman1dir="${EPREFIX}"/usr/local/man/man1 \
		-Dsiteman3dir="${EPREFIX}"/usr/local/man/man3 \
		-Dvendorman1dir="${EPREFIX}"/usr/share/man/man1 \
		-Dvendorman3dir="${EPREFIX}"/usr/share/man/man3 \
		-Dman1ext='1' \
		-Dman3ext='3pm' \
		-Dlibperl="${LIBPERL}" \
		-Dlocincpth="${EPREFIX}"'/usr/include ' \
		-Dglibpth="${EPREFIX}/$(get_libdir) ${EPREFIX}/usr/$(get_libdir)"' ' \
		-Duselargefiles \
		-Dd_semctl_semun \
		-Dcf_by='Gentoo' \
		-Dmyhostname='localhost' \
		-Dperladmin='root@localhost' \
		-Ud_csh \
		-Dsh="${EPREFIX}"/bin/sh \
		-Dtargetsh="${EPREFIX}"/bin/sh \
		-Uusenm \
		"${EXTRA_ECONF[@]}"

	if tc-is-cross-compiler; then
		./configure \
			--target="${CHOST}" \
			--build="${CBUILD}" \
			-Dinstallprefix='' \
			-Dinstallusrbinperl='undef' \
			-Dusevendorprefix='define' \
			"${myconf[@]}" \
			|| die "Unable to configure"
	else
		sh Configure \
			-des \
			-Dinstallprefix="${EPREFIX}"'/usr' \
			-Dinstallusrbinperl='n' \
			"${myconf[@]}" \
			|| die "Unable to configure"
	fi
}

src_test() {
	export NO_GENTOO_NETWORK_TESTS=1;
	export GENTOO_ASSUME_SANDBOXED="${GENTOO_ASSUME_SANDBOXED:-1}"
	export GENTOO_NO_PORTING_TESTS="${GENTOO_NO_PORTING_TESTS:-1}"
	if [[ ${EUID} == 0 ]] ; then
		ewarn "Test fails with a sandbox error (#328793) if run as root. Skipping tests..."
		return 0
	fi
	TEST_JOBS="$(makeopts_jobs)" make test_harness || die "test failed"
}

src_install() {
	local i
	local coredir="${ARCH_LIB}/CORE"

	emake DESTDIR="${D}" install

	rm -f "${ED}/usr/bin/perl${MY_PV}"
	ln -s perl "${ED}"/usr/bin/perl${MY_PV} || die

	if ! tc-is-static-only ; then
		dolib.so "${ED}"${coredir}/${LIBPERL}
		rm -f "${ED}"${coredir}/${LIBPERL}
		ln -sf ${LIBPERL} "${ED}"/usr/$(get_libdir)/libperl$(get_libname ${SHORT_PV}) || die
		ln -sf ${LIBPERL} "${ED}"/usr/$(get_libdir)/libperl$(get_libname) || die

		ln -sf ../../../../${LIBPERL} "${ED}"${coredir}/${LIBPERL} || die
		ln -sf ../../../../${LIBPERL} "${ED}"${coredir}/libperl$(get_libname ${SHORT_PV}) || die
		ln -sf ../../../../${LIBPERL} "${ED}"${coredir}/libperl$(get_libname) || die
	fi

	rm -rf "${ED}"/usr/share/man/man3 || die "Unable to remove module man pages"

	# This removes ${D} from Config.pm
	for i in $(find "${D}" -iname "Config.pm" ) ; do
		einfo "Removing ${D} from ${i}..."
		sed -i -e "s:${D}::" "${i}" || die "Sed failed"
	done

	dodoc Changes* README AUTHORS

	if use doc ; then
		# HTML Documentation
		# We expect errors, warnings, and such with the following.

		dodir /usr/share/doc/${PF}/html
		LD_LIBRARY_PATH=. ./perl installhtml \
			--podroot='.' \
			--podpath='lib:ext:pod:vms' \
			--recurse \
			--htmldir="${ED}/usr/share/doc/${PF}/html"
	fi

	[[ -d ${ED}/usr/local ]] && rm -r "${ED}"/usr/local

	dual_scripts
}

pkg_preinst() {
	check_rebuild
}

pkg_postinst() {
	dual_scripts

	if [[ -z "${ROOT}" ]] ; then
		local INC DIR file
		INC=$(perl -e 'for $line (@INC) { next if $line eq "."; next if $line =~ m/'${SHORT_PV}'|etc|local|perl$/; print "$line\n" }')
		einfo "Removing old .ph files"
		for DIR in ${INC} ; do
			if [[ -d "${DIR}" ]] ; then
				for file in $(find "${DIR}" -name "*.ph" -type f ) ; do
					rm -f "${file}"
					einfo "<< ${file}"
				done
			fi
		done
		# Silently remove the now empty dirs
		for DIR in ${INC} ; do
			if [[ -d "${DIR}" ]] ; then
				find "${DIR}" -depth -type d -print0 | xargs -0 -r rmdir &> /dev/null
			fi
		done

	fi
}

pkg_postrm() {
	dual_scripts
}