app-text/mandoc: Add from Gentoo

It's from Gentoo commit 62290e51e6cb68978525105151c8f5f9ddbc4a6e.

sdk_container/src/third_party/portage-stable/app-text/mandoc/Manifest

@@ -0,0 +1 @@
+DIST mandoc-1.14.6.tar.gz 697150 BLAKE2B e9f6087e9df977901815b1231f68e381502c7392b0ac65a060ce0ef270da3b76540a17931a076b700865a02f9ca1a8ca044a54dbf6318756931c29e6b1deb228 SHA512 54286070812a47b629f68757046d3c9a1bdd2b5d1c3b84a5c8e4cb92f1331afa745443f7238175835d8cfbe5b8dd442e00c75c3a5b5b8f8efd8d2ec8f636dad4

sdk_container/src/third_party/portage-stable/app-text/mandoc/files/mandoc-1.14.5-r1-www-install.patch

@@ -0,0 +1,19 @@
+diff --git a/Makefile b/Makefile
+index f4e2954..191c7e2 100644
+--- a/Makefile
++++ b/Makefile
+@@ -535,9 +535,11 @@ soelim: $(SOELIM_OBJS)
+ # --- maintainer targets ---
+ 
+ www-install: www
+-	$(INSTALL_DATA) mandoc.css $(HTDOCDIR)
+-	$(INSTALL_DATA) $(WWW_MANS) $(HTDOCDIR)/man
+-	$(INSTALL_DATA) $(WWW_INCS) $(HTDOCDIR)/includes
++	mkdir -p $(DESTDIR)$(HTDOCDIR)/man
++	mkdir -p $(DESTDIR)$(HTDOCDIR)/includes
++	$(INSTALL_DATA) mandoc.css $(DESTDIR)$(HTDOCDIR)
++	$(INSTALL_DATA) $(WWW_MANS) $(DESTDIR)$(HTDOCDIR)/man
++	$(INSTALL_DATA) $(WWW_INCS) $(DESTDIR)$(HTDOCDIR)/includes
+ 
+ depend: config.h
+ 	mkdep -f Makefile.depend $(CFLAGS) $(SRCS)

sdk_container/src/third_party/portage-stable/app-text/mandoc/files/mandoc.cron-r0

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# need MANPATH
+. /etc/profile.env
+
+exec nice makewhatis -T utf8 2>/dev/null

sdk_container/src/third_party/portage-stable/app-text/mandoc/mandoc-1.14.6.ebuild

@@ -0,0 +1,131 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit toolchain-funcs
+
+DESCRIPTION="Suite of tools compiling mdoc and man"
+HOMEPAGE="https://mdocml.bsd.lv/"
+SRC_URI="https://mdocml.bsd.lv/snapshots/${P}.tar.gz"
+
+LICENSE="ISC"
+SLOT="0"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~loong ppc ppc64 ~riscv ~s390 sparc x86"
+IUSE="cgi selinux system-man test"
+RESTRICT="!test? ( test )"
+
+RDEPEND="sys-libs/zlib
+	system-man? ( !sys-apps/man-db )
+"
+DEPEND="${RDEPEND}
+	cgi? ( sys-libs/zlib[static-libs] )
+"
+BDEPEND="
+	cgi? ( app-text/highlight )
+	test? ( dev-lang/perl )
+"
+RDEPEND+=" selinux? ( sec-policy/selinux-makewhatis )"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.14.5-r1-www-install.patch
+)
+
+pkg_pretend() {
+	if use system-man ; then
+		# only support uncompressed and gzip
+		[[ -n ${PORTAGE_COMPRESS+unset} ]] && \
+		[[ "${PORTAGE_COMPRESS}" == "gzip" || "${PORTAGE_COMPRESS}" == "" ]] || \
+		ewarn "only PORTAGE_COMPRESS=gzip or '' is supported, man pages will not be indexed"
+	fi
+}
+
+src_prepare() {
+	default
+
+	# The db-install change is to support parallel installs.
+	sed -i \
+		-e '/ar rs/s:ar:$(AR):' \
+		-e '/^db-install:/s:$: base-install:' \
+		Makefile || die
+
+	# make-4.3 doesn't like the CC line (bug #706024)
+	# and "echo -n" is not portable
+	sed \
+		-e "s@^\(CC=\).*\$@\1\"$(tc-getCC)\"@" \
+		-e 's@echo -n@printf@g' \
+		-i configure || die
+
+	cat <<-EOF > "configure.local"
+		PREFIX="${EPREFIX}/usr"
+		BINDIR="${EPREFIX}/usr/bin"
+		SBINDIR="${EPREFIX}/usr/sbin"
+		LIBDIR="${EPREFIX}/usr/$(get_libdir)"
+		MANDIR="${EPREFIX}/usr/share/man"
+		INCLUDEDIR="${EPREFIX}/usr/include/mandoc"
+		EXAMPLEDIR="${EPREFIX}/usr/share/examples/mandoc"
+		MANPATH_DEFAULT="${EPREFIX}/usr/man:${EPREFIX}/usr/share/man:${EPREFIX}/usr/local/man:${EPREFIX}/usr/local/share/man"
+
+		CFLAGS="${CFLAGS} ${CPPFLAGS}"
+		LDFLAGS="${LDFLAGS}"
+		AR="$(tc-getAR)"
+		CC="$(tc-getCC)"
+		# The STATIC variable is only used by man.cgi.
+		STATIC=
+
+		# conflicts with sys-apps/groff
+		BINM_SOELIM=msoelim
+		MANM_ROFF=mandoc_roff
+		# conflicts with sys-apps/man-pages
+		MANM_MAN=mandoc_man
+
+		# fix utf-8 locale on musl
+		$(usex elibc_musl UTF8_LOCALE=C.UTF-8 '')
+	EOF
+	use system-man || cat <<-EOF >> "configure.local"
+		BINM_MAN=mman
+		BINM_APROPOS=mapropos
+		BINM_WHATIS=mwhatis
+		BINM_MAKEWHATIS=mmakewhatis
+		MANM_MDOC=mandoc_mdoc
+		MANM_EQN=mandoc_eqn
+		MANM_TBL=mandoc_tbl
+		MANM_MANCONF=mman.conf
+	EOF
+	if use cgi; then
+		cp cgi.h{.example,} || die
+	fi
+	if [[ -n "${MANDOC_CGI_H}" ]]; then
+		cp "${MANDOC_CGI_H}" cgi.h || die
+	fi
+
+	# ./configure does not propagate all configure.local
+	# settings to Makefile.local settings.
+	tc-export AR
+}
+
+src_compile() {
+	default
+	use cgi && emake man.cgi
+}
+
+src_test() {
+	emake regress
+}
+
+src_install() {
+	emake DESTDIR="${D}" install
+	use cgi && emake DESTDIR="${D}" cgi-install www-install
+
+	if use system-man ; then
+		exeinto /etc/cron.daily
+		newexe "${FILESDIR}"/mandoc.cron-r0 mandoc
+	fi
+}
+
+pkg_postinst() {
+	if use system-man ; then
+		elog "Generating mandoc database"
+		makewhatis || die
+	fi
+}

sdk_container/src/third_party/portage-stable/app-text/mandoc/metadata.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>base-system@gentoo.org</email>
+	</maintainer>
+	<use>
+		<flag name="cgi">build man.cgi web plugin for viewing man pages</flag>  
+		<flag name="system-man">set as the default man provider</flag>
+	</use>
+</pkgmetadata>