diff --git a/src/csg/impl/csg_types.hpp b/src/csg/impl/csg_types.hpp
index eff2deb728c1d87fa5bc01394dbb96811330c667..e804c104713f3e585eb404a8d07cfc5eb9531ee0 100644
--- a/src/csg/impl/csg_types.hpp
+++ b/src/csg/impl/csg_types.hpp
@@ -1,6 +1,7 @@
 #ifndef CSG_TYPES_H_
 #define CSG_TYPES_H_
 
+#include <array>
 #include <memory>
 #include <optional>
 #include <tuple>
diff --git a/src/csg/meson.build b/src/csg/meson.build
index be75acbe75bbd52a033d58c3f5b70070856244e3..228b6e95480f9d6b4e8f2bb0a84bb76a4fca0fb1 100644
--- a/src/csg/meson.build
+++ b/src/csg/meson.build
@@ -1,4 +1,4 @@
-lib_csg_parser = library(
+lib_csg_parser = static_library(
   'csg-parser',
   'impl/csg.cpp',
   'impl/levelset_3d.cpp',
diff --git a/src/inputs/meson.build b/src/inputs/meson.build
index 4d39f989a37385f012899fb157c1f662310efe8c..a435c0ac4fd146e7ecf97a3632d292691b8c2bf4 100644
--- a/src/inputs/meson.build
+++ b/src/inputs/meson.build
@@ -1,4 +1,4 @@
-lib_inputs_parser = library(
+lib_inputs_parser = static_library(
   'inputs-parser',
   'geometry.cpp',
   'mesh.cpp',