net-nds/gssproxy: Fix build with musl llvm

Upstream-Commit: f6ab3193e6
Closes: https://bugs.gentoo.org/898064
Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com>
Closes: https://github.com/gentoo/gentoo/pull/31238
Signed-off-by: Sam James <sam@gentoo.org>

net-nds/gssproxy/files/gssproxy-0.9.1-fix-musl-llvm16-build.patch

@@ -0,0 +1,30 @@
+https://github.com/gssapi/gssproxy/commit/f6ab3193e64ecc9db4d253b6dd99991f461b6081
+From: Brahmajit Das <brahmajit.xyz@gmail.com>
+Date: Wed, 31 May 2023 04:53:23 +0000
+Subject: [PATCH] Fix build with musl and llvm
+
+Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com>
+--- a/src/gp_util.c
++++ b/src/gp_util.c
+@@ -63,7 +63,7 @@ char *gp_strerror(int errnum)
+     static __thread char buf[MAX_GP_STRERROR];
+     int saved_errno = errno;
+ 
+-#if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE)
++#if ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE) || !defined(__GLIBC__)
+     /* XSI version */
+     int ret;
+ 
+--- a/tests/userproxytest.c
++++ b/tests/userproxytest.c
+@@ -5,6 +5,7 @@
+ #include <stdbool.h>
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <string.h>
+ #include <sys/socket.h>
+ #include <sys/un.h>
+ #include <sys/wait.h>
+-- 
+2.40.1
+

net-nds/gssproxy/gssproxy-0.9.1-r1.ebuild

@@ -0,0 +1,102 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DESCRIPTION="Daemon to proxy GSSAPI context establishment and channel handling"
+HOMEPAGE="https://github.com/gssapi/gssproxy"
+SRC_URI="https://github.com/gssapi/${PN}/releases/download/v${PV}/${P}.tar.gz"
+
+LICENSE="BSD-1"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
+IUSE="debug selinux systemd"
+
+COMMON_DEPEND=">=dev-libs/libverto-0.2.2
+	>=dev-libs/ding-libs-0.6.1
+	virtual/krb5
+	selinux? ( sys-libs/libselinux )"
+RDEPEND="${COMMON_DEPEND}
+	selinux? ( sec-policy/selinux-gssproxy )"
+# We need xml stuff to build the man pages, and people really want/need
+# the man pages for this package :). #585200
+BDEPEND="
+	app-text/docbook-xml-dtd:4.4
+	dev-libs/libxslt
+	virtual/pkgconfig
+"
+
+# Many requirements to run tests, including running slapd as root, hence
+# unfeasible.
+RESTRICT="test"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.9.1-fix-musl-llvm16-build.patch
+)
+
+# pkg_setup() {
+#	# Here instead of flag-logic in DEPEND, since virtual/krb5 does not
+#	# allow to specify the openldap use flag, which heimdal doesn't
+#	# support.
+#	# Using mit-krb5 explicitly because heimdal doesn't install kerberos
+#	# schemata required for the tests of gss-proxy.
+#	if use test && ! has_version "app-crypt/mit-krb5[openldap]"; then
+#		eerror "Tests of this package require the kerberos schemata installed from app-crypt/mit-krb5[openldap]."
+#		die "Tests enabled but no app-crypt/mit-krb5[openldap] being installed."
+#	fi
+# }
+
+# Was required in 0.7.0 to fix the schema- and slapd-path. Reason for
+# comment: see RESTRICT comment
+# src_prepare() {
+#	default
+#	# The tests look for kerberos schemata in the documentation
+#	# directory of krb5, however these are installed in /etc/openldap
+#	# and only if the openldap useflag is supplied
+#	sed -i \
+#		-e 's#/usr/share/doc/krb5-server-ldap*#/etc/openldap/schema#' \
+#		-e "s#\(subprocess.Popen..\"\)slapd#\1/usr/$(get_libdir)/openldap/slapd#" \
+#		"${S}/tests/testlib.py" || die
+# }
+
+src_configure() {
+	local myeconfargs=(
+		# The build assumes localstatedir is /var and takes care of
+		# using all the right subdirs itself.
+		--localstatedir="${EPREFIX}"/var
+
+		--with-os=gentoo
+		--with-initscript=$(usex systemd systemd none)
+		$(use_with selinux)
+		$(use_with debug gssidebug)
+
+		# We already set FORTIFY_SOURCE by default along with the
+		# other bits. But setting it on each compile line interferes
+		# with efforts to try e.g. FORTIFY_SOURCE=3. So, disable it,
+		# but there's no actual difference to the safety of the binaries
+		# because of Gentoo's configuration/patches to the toolchain.
+		--without-hardening
+	)
+
+	econf "${myeconfargs[@]}"
+}
+
+src_install() {
+	default
+
+	# This is a plugin module, so no need for la file.
+	find "${ED}"/usr -name proxymech.la -delete || die
+
+	doinitd "${FILESDIR}"/gssproxy
+	insinto /etc/gssproxy
+	doins examples/*.conf
+
+	keepdir /var/lib/gssproxy
+	keepdir /var/lib/gssproxy/clients
+	keepdir /var/lib/gssproxy/rcache
+	fperms 0700 /var/lib/gssproxy/clients
+	fperms 0700 /var/lib/gssproxy/rcache
+
+	# The build installs a bunch of empty dirs, so prune them.
+	find "${ED}" -depth -type d -empty -delete || die
+}