mail-client/alpine: workarounds for strict prototypes & make --shuffle

The alpine build is quite fragile and not easily fixed.
For now we need to disable make's --shuffle used on the Tinderbox,
and disable failing to build at all when -Werror=strict-prototypes
is enabled.

Closes: https://bugs.gentoo.org/888709
Closes: https://bugs.gentoo.org/870766
Signed-off-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Closes: https://github.com/gentoo/gentoo/pull/32477
Signed-off-by: Sam James <sam@gentoo.org>

mail-client/alpine/alpine-2.26-r3.ebuild

@@ -0,0 +1,101 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools flag-o-matic optfeature toolchain-funcs
+
+DESCRIPTION="An easy to use text-based based mail and news client"
+HOMEPAGE="https://alpineapp.email/ https://repo.or.cz/alpine.git/"
+CHAPPA_PATCH_NAME="${P}-chappa-5.patch"
+SRC_URI="https://alpineapp.email/alpine/release/src/${P}.tar.xz
+	chappa? ( https://alpineapp.email/alpine/patches/${P}/all.patch.gz -> ${CHAPPA_PATCH_NAME}.gz ) "
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~ia64 ~ppc ~ppc64 ~sparc ~x86"
+IUSE="+chappa ipv6 kerberos ldap nls onlyalpine passfile smime ssl"
+
+DEPEND="sys-libs/ncurses:=
+	virtual/libcrypt:=
+	kerberos? ( app-crypt/mit-krb5 )
+	ldap? ( net-nds/openldap:= )
+	ssl? ( dev-libs/openssl:0= )
+"
+RDEPEND="${DEPEND}
+	app-misc/mime-types
+"
+
+src_prepare() {
+	default
+	use chappa && eapply "${WORKDIR}/${CHAPPA_PATCH_NAME}"
+	if use chappa; then
+		eapply "${FILESDIR}/${PN}-2.26-fix-clang16-build.patch"
+	else
+		eapply "${FILESDIR}/${PN}-2.26-fix-clang16-build-no-chappa.patch"
+	fi
+	eautoreconf
+	tc-export CC RANLIB AR
+	export CC_FOR_BUILD="$(tc-getBUILD_CC)"
+}
+
+src_configure() {
+	myconf=(
+		--without-tcl
+		--with-pthread
+		--with-system-pinerc="${EPREFIX}"/etc/pine.conf
+		--with-system-fixed-pinerc="${EPREFIX}"/etc/pine.conf.fixed
+		$(use_with ldap)
+		$(use_with ssl)
+		$(use_with passfile passfile .pinepwd)
+		$(use_with kerberos krb5)
+		$(use_enable nls)
+		$(use_with ipv6)
+		$(use_with smime)
+	)
+
+	if has_version "app-text/hunspell"; then
+		myconf+=( --with-interactive-spellcheck=/usr/bin/hunspell )
+	elif has_version "app-text/aspell"; then
+		myconf+=( --with-interactive-spellcheck=/usr/bin/aspell )
+	fi
+
+	if use ssl; then
+		myconf+=(
+			--with-ssl-include-dir="${EPREFIX}"/usr/include/openssl
+			--with-ssl-lib-dir="${EPREFIX}"/usr/$(get_libdir)
+			--with-ssl-certs-dir="${EPREFIX}"/etc/ssl/certs
+		)
+	fi
+
+	# problems with strict prototypes, not easily patched #870766
+	append-cflags -Wno-error=strict-prototypes
+
+	econf "${myconf[@]}"
+}
+
+src_compile() {
+	# the bundled c-client lib stumbles with both -j>1 and --shuffle #888709
+	emake -j1 --shuffle=none AR="$(tc-getAR)" c-client
+	emake AR="$(tc-getAR)"
+}
+
+src_install() {
+	if use onlyalpine ; then
+		dobin alpine/alpine
+		doman doc/man1/alpine.1
+	else
+		emake -j1 DESTDIR="${D}" install
+		doman doc/man1/*.1
+	fi
+	dodoc NOTICE README*
+	dodoc doc/brochure.txt
+	dodoc -r doc/tech-notes/
+	newdoc "${S}/doc/mailcap.unx" mailcap.unx.sample
+	newdoc "${S}/doc/mime.types" mime.types.sample
+	docompress -x /usr/share/doc/${PF}/mailcap.unx.sample /usr/share/doc/${PF}/mime.types.sample
+}
+
+pkg_postinst() {
+	optfeature "Spell checking" app-text/hunspell app-text/aspell
+}