diff --git a/.cirrus.tasks.yml b/.cirrus.tasks.yml
index 2a821593ce5..4841a204248 100644
--- a/.cirrus.tasks.yml
+++ b/.cirrus.tasks.yml
@@ -133,6 +133,7 @@ task:
meson setup \
--buildtype=debug \
--auto-features=disabled \
+ -Ddefault_library=shared \
-Dtap_tests=enabled \
build
EOF
diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index c903ccff988..2937c4a8fd0 100644
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -2807,6 +2807,17 @@ ninja install
+
+
+
+
+ This option selects whether both shared and static libraries are built
+ (the default), or only shared libraries. (The third variant of only
+ building static libraries is currently not supported.)
+
+
+
+