net-analyzer/monitoring-plugins: add temporary musl workaround

This won't be needed in the next release.

Closes: https://bugs.gentoo.org/892645
Signed-off-by: Sam James <sam@gentoo.org>

net-analyzer/monitoring-plugins/monitoring-plugins-2.3.3-r1.ebuild

@@ -3,7 +3,7 @@
 
 EAPI="8"
 
-inherit flag-o-matic
+inherit autotools flag-o-matic
 
 DESCRIPTION="50+ standard plugins for Icinga, Naemon, Nagios, Shinken, Sensu"
 HOMEPAGE="https://www.monitoring-plugins.org/"
@@ -53,6 +53,7 @@ RDEPEND="${DEPEND}
 	acct-group/nagios
 	acct-user/nagios
 	!net-analyzer/nagios-plugins"
+BDEPEND="sys-devel/gettext"
 
 # At least one test is interactive.
 RESTRICT="test"
@@ -62,6 +63,19 @@ PATCHES=(
 	"${FILESDIR}/${PN}-fix-check-http-segfault.patch" #893252
 )
 
+src_prepare() {
+	default
+
+	# Refresh the gettext macro to fix musl build, bug #892645
+	# This should be unnecessary in the next release (>2.3.3) as upstream
+	# refreshed its copy of gnulib, so on next release:
+	# - We may be able to drop the gettext BDEPEND (check!)
+	# - Drop this cp call
+	# - Drop eautoreconf
+	cp "${BROOT}"/usr/share/aclocal/gettext.m4 gl/m4/ || die
+	eautoreconf
+}
+
 src_configure() {
 	append-flags -fno-strict-aliasing