diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3aaac74e5..c340ec2c9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,11 +10,7 @@ project(meevax DESCRIPTION "A programmable programming language"
                LANGUAGES CXX
                VERSION ${CURRENT_VERSION})
 
-set(CMAKE_CXX_EXTENSIONS OFF)
-set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_POSITION_INDEPENDENT_CODE ON)
-set(CMAKE_VERBOSE_MAKEFILE OFF)
+include(GNUInstallDirs)
 
 string(JOIN " " AGGRESSIVE_OPTIMIZATION_OPTIONS
   # "-flto" # This optimization causes a SEGV when compiling with Clang 10.
@@ -23,17 +19,18 @@ string(JOIN " " AGGRESSIVE_OPTIMIZATION_OPTIONS
   # "-mtune=native"
   )
 
-# NOTE: The `-gdwarf-4` option is set due to the following issues with Clang 14 and Valgrind versions below 3.20: https://bugzilla.mozilla.org/show_bug.cgi?id=1758782
-set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wpedantic -pipe")
-set(CMAKE_CXX_FLAGS_DEBUG          "-Og -gdwarf-4")
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_CXX_FLAGS_DEBUG          "-Og -gdwarf-4") # NOTE: The `-gdwarf-4` option is set due to the following issues with Clang 14 and Valgrind versions below 3.20: https://bugzilla.mozilla.org/show_bug.cgi?id=1758782
 set(CMAKE_CXX_FLAGS_MINSIZEREL     "-Os           -DNDEBUG")
-set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -gdwarf-4 -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELEASE        "-O2           -DNDEBUG ${AGGRESSIVE_OPTIMIZATION_OPTIONS}")
-
-include(GNUInstallDirs)
-
+set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -gdwarf-4 -DNDEBUG")
+set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wpedantic -pipe")
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR})
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
+set(CMAKE_VERBOSE_MAKEFILE OFF)
 
 # ---- Configure ---------------------------------------------------------------
 
@@ -63,12 +60,6 @@ file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/${PROJECT_NAME}/unicode/upcase.hp
 
 string(TOLOWER ${CMAKE_SYSTEM_NAME} ${PROJECT_NAME}_SYSTEM_NAME)
 
-file(GLOB ${PROJECT_NAME}_BASIS_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/basis/*.ss)
-foreach(EACH IN LISTS ${PROJECT_NAME}_BASIS_SOURCES)
-  get_filename_component(FILENAME ${EACH} NAME)
-  file(READ ${EACH} ${PROJECT_NAME}_BASIS_${FILENAME})
-endforeach()
-
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/configure/README.md   ${CMAKE_CURRENT_SOURCE_DIR}/README.md)
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/configure/version.cpp ${CMAKE_CURRENT_SOURCE_DIR}/src/kernel/version.cpp)
 
@@ -94,24 +85,30 @@ set_target_properties(kernel PROPERTIES OUTPUT_NAME ${PROJECT_NAME} # Rename lib
                                         SOVERSION   ${PROJECT_VERSION_MAJOR}
                                         LINK_FLAGS_RELEASE -s)
 
-# ---- Target basis ------------------------------------------------------------
+# ---- Target format -----------------------------------------------------------
+
+add_executable(format)
 
-add_library(basis INTERFACE)
+target_sources(format PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/format.cpp)
 
-configure_file(
-  ${CMAKE_CURRENT_SOURCE_DIR}/configure/basis.hpp
-  ${CMAKE_CURRENT_SOURCE_DIR}/include/meevax/basis/scheme.hpp)
+target_link_libraries(format PRIVATE kernel)
 
-target_include_directories(basis INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include)
+# ---- Target basis ------------------------------------------------------------
+
+add_custom_target(basis
+  DEPENDS format
+  COMMAND ${CMAKE_COMMAND} -DREPOSITORY_ROOT=${CMAKE_CURRENT_SOURCE_DIR}
+                           -P ${CMAKE_CURRENT_SOURCE_DIR}/basis/configure.cmake)
 
 # ---- Target shell ------------------------------------------------------------
 
 add_executable(shell)
 
+add_dependencies(shell basis)
+
 target_sources(shell PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp)
 
-target_link_libraries(shell PRIVATE kernel
-                            PRIVATE basis)
+target_link_libraries(shell PRIVATE kernel)
 
 set_target_properties(shell PROPERTIES OUTPUT_NAME ${PROJECT_NAME} # Rename shell => meevax
                                        LINK_FLAGS_RELEASE -s)
@@ -189,8 +186,7 @@ file(GLOB ${PROJECT_NAME}_TEST_CPP ${CMAKE_CURRENT_SOURCE_DIR}/test/*.cpp)
 foreach(EACH IN LISTS ${PROJECT_NAME}_TEST_CPP)
   get_filename_component(FILENAME ${EACH} NAME_WE)
   add_executable(assert-${FILENAME} ${EACH})
-  target_link_libraries(assert-${FILENAME} PRIVATE kernel
-                                           PRIVATE basis)
+  target_link_libraries(assert-${FILENAME} PRIVATE kernel)
   add_test(NAME assert-${FILENAME}
            COMMAND ${${PROJECT_NAME}_MEMORY_CHECK_COMMAND}
                    ${${PROJECT_NAME}_MEMORY_CHECK_COMMAND_OPTIONS}
diff --git a/README.md b/README.md
index 1cb0b873c..64c4b960a 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ Subset of R7RS-small.
 cmake -B build -DCMAKE_BUILD_TYPE=Release
 cd build
 make package
-sudo apt install build/meevax_0.4.815_amd64.deb
+sudo apt install build/meevax_0.4.816_amd64.deb
 ```
 
 or
@@ -106,9 +106,9 @@ sudo rm -rf /usr/local/share/meevax
 
 | Target Name | Description
 |-------------|-------------
-| `all`       | Build shared-library `libmeevax.0.4.815.so` and executable `meevax`
+| `all`       | Build shared-library `libmeevax.0.4.816.so` and executable `meevax`
 | `test`      | Test executable `meevax`
-| `package`   | Generate debian package `meevax_0.4.815_amd64.deb`
+| `package`   | Generate debian package `meevax_0.4.816_amd64.deb`
 | `install`   | Copy files into `/usr/local` directly
 
 ## Usage
diff --git a/VERSION b/VERSION
index a344e6c88..009b7f9f0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.4.815
+0.4.816
diff --git a/basis/configure.cmake b/basis/configure.cmake
new file mode 100644
index 000000000..379723940
--- /dev/null
+++ b/basis/configure.cmake
@@ -0,0 +1,12 @@
+file(GLOB ${PROJECT_NAME}_BASIS_SOURCES ${REPOSITORY_ROOT}/basis/*.ss)
+
+foreach(EACH IN LISTS ${PROJECT_NAME}_BASIS_SOURCES)
+  get_filename_component(FILENAME ${EACH} NAME)
+  execute_process(
+    COMMAND ${REPOSITORY_ROOT}/build/bin/format ${EACH}
+    OUTPUT_VARIABLE CONFIGURED_${FILENAME})
+endforeach()
+
+configure_file(
+  ${REPOSITORY_ROOT}/configure/basis.hpp
+  ${REPOSITORY_ROOT}/include/meevax/basis/scheme.hpp)
diff --git a/configure/basis.hpp b/configure/basis.hpp
index 044a00097..45f978ffe 100644
--- a/configure/basis.hpp
+++ b/configure/basis.hpp
@@ -32,29 +32,29 @@ inline namespace kernel
   constexpr auto basis()
   {
     return make_array(
-      R"##(${${PROJECT_NAME}_BASIS_meevax.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_r4rs-essential.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_r4rs.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_r5rs.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_r7rs.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-0.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-1.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-4.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-6.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-8.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-9.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-11.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-16.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-23.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-31.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-34.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-38.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-39.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-45.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-78.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-98.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-111.ss})##",
-      R"##(${${PROJECT_NAME}_BASIS_srfi-149.ss})##");
+      R"##(${CONFIGURED_meevax.ss})##",
+      R"##(${CONFIGURED_r4rs-essential.ss})##",
+      R"##(${CONFIGURED_r4rs.ss})##",
+      R"##(${CONFIGURED_r5rs.ss})##",
+      R"##(${CONFIGURED_r7rs.ss})##",
+      R"##(${CONFIGURED_srfi-0.ss})##",
+      R"##(${CONFIGURED_srfi-1.ss})##",
+      R"##(${CONFIGURED_srfi-4.ss})##",
+      R"##(${CONFIGURED_srfi-6.ss})##",
+      R"##(${CONFIGURED_srfi-8.ss})##",
+      R"##(${CONFIGURED_srfi-9.ss})##",
+      R"##(${CONFIGURED_srfi-11.ss})##",
+      R"##(${CONFIGURED_srfi-16.ss})##",
+      R"##(${CONFIGURED_srfi-23.ss})##",
+      R"##(${CONFIGURED_srfi-31.ss})##",
+      R"##(${CONFIGURED_srfi-34.ss})##",
+      R"##(${CONFIGURED_srfi-38.ss})##",
+      R"##(${CONFIGURED_srfi-39.ss})##",
+      R"##(${CONFIGURED_srfi-45.ss})##",
+      R"##(${CONFIGURED_srfi-78.ss})##",
+      R"##(${CONFIGURED_srfi-98.ss})##",
+      R"##(${CONFIGURED_srfi-111.ss})##",
+      R"##(${CONFIGURED_srfi-149.ss})##");
   }
 } // namespace kernel
 } // namespace meevax
diff --git a/src/format.cpp b/src/format.cpp
new file mode 100644
index 000000000..583dcf8f6
--- /dev/null
+++ b/src/format.cpp
@@ -0,0 +1,29 @@
+/*
+   Copyright 2018-2023 Tatsuya Yamasaki.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+#include <meevax/kernel/input_file_port.hpp>
+
+auto main(int const, char const* const* const argv) -> int
+{
+  using namespace meevax;
+
+  for (let const& x : input_file_port(argv[1]))
+  {
+    std::cout << x << std::flush;
+  }
+
+  return EXIT_SUCCESS;
+}