reformat CMakeLists to standard format

Author: henryiii

CMakeLists.txt

@@ -2,40 +2,33 @@
 #
 # Copyright (c) 2015 Wenzel Jakob <[email protected]>
 #
-# All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
+# All rights reserved. Use of this source code is governed by a BSD-style license that can be found
+# in the LICENSE file.
 
 cmake_minimum_required(VERSION 3.7)
 
-# VERSION 3.7...3.18, but some versions of VS have a patched CMake 3.11
-# that do not work properly with this syntax, so using the following workaround:
+# VERSION 3.7...3.18, but some versions of VS have a patched CMake 3.11 that do not work properly
+# with this syntax, so using the following workaround:
 if(${CMAKE_VERSION} VERSION_LESS 3.18)
-    cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
+  cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
 else()
-    cmake_policy(VERSION 3.18)
+  cmake_policy(VERSION 3.18)
 endif()
 
 # Extract project version from source
-file(
-  STRINGS
-    "${CMAKE_CURRENT_SOURCE_DIR}/include/pybind11/detail/common.h"
-  pybind11_version_defines
-  REGEX
-    "#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH|TYPE) ")
+file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/include/pybind11/detail/common.h"
+     pybind11_version_defines REGEX "#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH|TYPE) ")
 
 foreach(ver ${pybind11_version_defines})
-    if (ver MATCHES [=[#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH|TYPE) +"?([^ ^"]+)"?$]=])
-        set(PYBIND11_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}")
-    endif()
+  if(ver MATCHES [=[#define PYBIND11_VERSION_(MAJOR|MINOR|PATCH|TYPE) +"?([^ ^"]+)"?$]=])
+    set(PYBIND11_VERSION_${CMAKE_MATCH_1} "${CMAKE_MATCH_2}")
+  endif()
 endforeach()
 
 project(
-    pybind11
-  LANGUAGES
-    CXX
-  VERSION
-    "${PYBIND11_VERSION_MAJOR}.${PYBIND11_VERSION_MINOR}.${PYBIND11_VERSION_PATCH}"
-)
+  pybind11
+  LANGUAGES CXX
+  VERSION "${PYBIND11_VERSION_MAJOR}.${PYBIND11_VERSION_MINOR}.${PYBIND11_VERSION_PATCH}")
 
 # Standard includes
 include(GNUInstallDirs)
@@ -44,27 +37,26 @@ include(CMakeDependentOption)
 
 # Check if pybind11 is being used directly or via add_subdirectory
 if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
-    set(PYBIND11_MASTER_PROJECT ON)
-    message(STATUS "pybind11 v${pybind11_VERSION} ${PYBIND11_VERSION_TYPE}")
-    message(STATUS "CMake ${CMAKE_VERSION}")
-
-    if(CMAKE_CXX_STANDARD)
-        set(CMAKE_CXX_EXTENSIONS OFF)
-        set(CMAKE_CXX_STANDARD_REQUIRED ON)
-    endif()
+  set(PYBIND11_MASTER_PROJECT ON)
+  message(STATUS "pybind11 v${pybind11_VERSION} ${PYBIND11_VERSION_TYPE}")
+  message(STATUS "CMake ${CMAKE_VERSION}")
+
+  if(CMAKE_CXX_STANDARD)
+    set(CMAKE_CXX_EXTENSIONS OFF)
+    set(CMAKE_CXX_STANDARD_REQUIRED ON)
+  endif()
 else()
-    set(PYBIND11_MASTER_PROJECT OFF)
-    set(pybind11_system SYSTEM)
+  set(PYBIND11_MASTER_PROJECT OFF)
+  set(pybind11_system SYSTEM)
 endif()
 
 option(PYBIND11_INSTALL "Install pybind11 header files?" ${PYBIND11_MASTER_PROJECT})
 option(PYBIND11_TEST "Build pybind11 test suite?" ${PYBIND11_MASTER_PROJECT})
 option(PYBIND11_CLASSIC_LTO "Use the classic LTO flag algorithm, even on CMake 3.9+" OFF)
 cmake_dependent_option(
-    USE_PYTHON_INCLUDE_DIR
-    "Install pybind11 headers in Python include directory instead of default installation prefix" OFF
-    "PYBIND11_INSTALL" OFF
-)
+  USE_PYTHON_INCLUDE_DIR
+  "Install pybind11 headers in Python include directory instead of default installation prefix"
+  OFF "PYBIND11_INSTALL" OFF)
 
 # NB: when adding a header don't forget to also add it to setup.py
 set(PYBIND11_HEADERS
@@ -90,71 +82,82 @@ set(PYBIND11_HEADERS
     include/pybind11/pybind11.h
     include/pybind11/pytypes.h
     include/pybind11/stl.h
-    include/pybind11/stl_bind.h
-)
-# cmake 3.12 added list(TRANSFORM <list> PREPEND
-# But we can't use it yet
-string(REPLACE "include/" "${CMAKE_CURRENT_SOURCE_DIR}/include/"
-       PYBIND11_HEADERS "${PYBIND11_HEADERS}")
-
+    include/pybind11/stl_bind.h)
+# cmake 3.12 added list(TRANSFORM <list> PREPEND But we can't use it yet
+string(REPLACE "include/" "${CMAKE_CURRENT_SOURCE_DIR}/include/" PYBIND11_HEADERS
+               "${PYBIND11_HEADERS}")
 
 # Classic mode
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tools")
 include(pybind11Tools)
 
 # Cache variables so pybind11_add_module can be used in parent projects
-set(PYBIND11_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/include" CACHE INTERNAL "")
-set(PYTHON_INCLUDE_DIRS ${PYTHON_INCLUDE_DIRS} CACHE INTERNAL "")
-set(PYTHON_LIBRARIES ${PYTHON_LIBRARIES} CACHE INTERNAL "")
-set(PYTHON_MODULE_PREFIX ${PYTHON_MODULE_PREFIX} CACHE INTERNAL "")
-set(PYTHON_MODULE_EXTENSION ${PYTHON_MODULE_EXTENSION} CACHE INTERNAL "")
-set(PYTHON_VERSION_MAJOR ${PYTHON_VERSION_MAJOR} CACHE INTERNAL "")
-set(PYTHON_VERSION_MINOR ${PYTHON_VERSION_MINOR} CACHE INTERNAL "")
-set(PYTHON_IS_DEBUG "${PYTHON_IS_DEBUG}" CACHE INTERNAL "")
-
+set(PYBIND11_INCLUDE_DIR
+    "${CMAKE_CURRENT_LIST_DIR}/include"
+    CACHE INTERNAL "")
+set(PYTHON_INCLUDE_DIRS
+    ${PYTHON_INCLUDE_DIRS}
+    CACHE INTERNAL "")
+set(PYTHON_LIBRARIES
+    ${PYTHON_LIBRARIES}
+    CACHE INTERNAL "")
+set(PYTHON_MODULE_PREFIX
+    ${PYTHON_MODULE_PREFIX}
+    CACHE INTERNAL "")
+set(PYTHON_MODULE_EXTENSION
+    ${PYTHON_MODULE_EXTENSION}
+    CACHE INTERNAL "")
+set(PYTHON_VERSION_MAJOR
+    ${PYTHON_VERSION_MAJOR}
+    CACHE INTERNAL "")
+set(PYTHON_VERSION_MINOR
+    ${PYTHON_VERSION_MINOR}
+    CACHE INTERNAL "")
+set(PYTHON_IS_DEBUG
+    "${PYTHON_IS_DEBUG}"
+    CACHE INTERNAL "")
 
 if(PYBIND11_TEST OR (BUILD_TESTING AND PYBIND11_MASTER_PROJECT))
-    add_subdirectory(tests)
+  add_subdirectory(tests)
 endif()
 
-
 if(USE_PYTHON_INCLUDE_DIR)
-    file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${PYTHON_INCLUDE_DIRS})
+  file(RELATIVE_PATH CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX} ${PYTHON_INCLUDE_DIRS})
 endif()
 
-# Note: when creating targets, you cannot use if statements at configure time -
-# you need generator expressions, because those will be placed in the target file.
+# Note: when creating targets, you cannot use if statements at configure time - you need generator
+# expressions, because those will be placed in the target file.
 
 # Build an interface library target:
 add_library(pybind11 INTERFACE)
-add_library(pybind11::pybind11 ALIAS pybind11)  # to match exported target
+add_library(pybind11::pybind11 ALIAS pybind11) # to match exported target
 
-target_include_directories(pybind11 ${pybind11_system} INTERFACE $<BUILD_INTERFACE:${PYBIND11_INCLUDE_DIR}>
-                                                                 $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
-# Only add Python for build - must be added during the import for config since it has to be re-discovered.
+target_include_directories(
+  pybind11 ${pybind11_system} INTERFACE $<BUILD_INTERFACE:${PYBIND11_INCLUDE_DIR}>
+                                        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+# Only add Python for build - must be added during the import for config since it has to be
+# re-discovered.
 target_include_directories(pybind11 SYSTEM INTERFACE $<BUILD_INTERFACE:${PYTHON_INCLUDE_DIRS}>)
 
 if(CMAKE_VERSION VERSION_LESS 3.13)
-    target_compile_features(
-        pybind11
-      INTERFACE
-        cxx_auto_type
-        cxx_constexpr
-        cxx_defaulted_functions
-        cxx_lambdas
-        cxx_nullptr
-        cxx_range_for
-        cxx_right_angle_brackets
-        cxx_strong_enums
-        cxx_user_literals
-        cxx_variadic_templates
-      )
+  target_compile_features(
+    pybind11
+    INTERFACE cxx_auto_type
+              cxx_constexpr
+              cxx_defaulted_functions
+              cxx_lambdas
+              cxx_nullptr
+              cxx_range_for
+              cxx_right_angle_brackets
+              cxx_strong_enums
+              cxx_user_literals
+              cxx_variadic_templates)
 else()
-    # This was added in CMake 3.8, but we are keeping a consistent breaking
-    # point for the config file at 3.13. A config generated by CMake 3.13+
-    # can ony be read in 3.13+ due to the SHELL usage later, so this is safe to do.
-    target_compile_features(pybind11 INTERFACE cxx_std_11)
+  # This was added in CMake 3.8, but we are keeping a consistent breaking point for the config file
+  # at 3.13. A config generated by CMake 3.13+ can ony be read in 3.13+ due to the SHELL usage
+  # later, so this is safe to do.
+  target_compile_features(pybind11 INTERFACE cxx_std_11)
 endif()
 
 add_library(module INTERFACE)
@@ -164,78 +167,74 @@ target_link_libraries(module INTERFACE pybind11::pybind11)
 
 # See https://github.com/Kitware/CMake/blob/master/Modules/CMakePlatformId.h.in for platform IDs
 # Note: CMake 3.15 allows $<PLATFORM_ID:Windows,Cygwin>
-target_link_libraries(module INTERFACE "$<$<OR:$<PLATFORM_ID:Windows>,$<PLATFORM_ID:Cygwin>>:$<BUILD_INTERFACE:${PYTHON_LIBRARIES}>>")
+target_link_libraries(
+  module
+  INTERFACE
+    "$<$<OR:$<PLATFORM_ID:Windows>,$<PLATFORM_ID:Cygwin>>:$<BUILD_INTERFACE:${PYTHON_LIBRARIES}>>")
 
 if(CMAKE_VERSION VERSION_LESS 3.13)
-    target_link_libraries(module INTERFACE "$<$<PLATFORM_ID:Darwin>:-undefined dynamic_lookup>")
+  target_link_libraries(module INTERFACE "$<$<PLATFORM_ID:Darwin>:-undefined dynamic_lookup>")
 else()
-    # SHELL (3.12+) forces this to remain together, and link_options was added in 3.13+
-    target_link_options(module INTERFACE "$<$<PLATFORM_ID:Darwin>:SHELL:-undefined dynamic_lookup>")
+  # SHELL (3.12+) forces this to remain together, and link_options was added in 3.13+
+  target_link_options(module INTERFACE "$<$<PLATFORM_ID:Darwin>:SHELL:-undefined dynamic_lookup>")
 endif()
 
-
 message(STATUS "CXX Compiler version: ${CMAKE_CXX_COMPILER_VERSION}")
 
-set(clang_4plus "$<AND:$<CXX_COMPILER_ID:Clang>,$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,3.9>>>")
+set(clang_4plus
+    "$<AND:$<CXX_COMPILER_ID:Clang>,$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,3.9>>>")
 set(no_register "$<OR:${clang_4plus},$<CXX_COMPILER_ID:AppleClang>>")
-target_compile_options(pybind11 INTERFACE "$<${no_register}:-Wno-register;-Wno-deprecated-register>")
+target_compile_options(pybind11
+                       INTERFACE "$<${no_register}:-Wno-register;-Wno-deprecated-register>")
 
 add_library(embed INTERFACE)
 add_library(pybind11::embed ALIAS embed)
 target_link_libraries(embed INTERFACE pybind11::pybind11 $<BUILD_INTERFACE:${PYTHON_LIBRARIES}>)
 
 if(PYBIND11_INSTALL)
-    install(DIRECTORY ${PYBIND11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
-    # GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share".
-    set(PYBIND11_CMAKECONFIG_INSTALL_DIR "share/cmake/${PROJECT_NAME}" CACHE STRING "install path for pybind11Config.cmake")
-
-    configure_package_config_file(tools/${PROJECT_NAME}Config.cmake.in
-                                  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
-                                  INSTALL_DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
-
-    if(CMAKE_VERSION VERSION_LESS 3.14)
-        # Remove CMAKE_SIZEOF_VOID_P from ConfigVersion.cmake since the library does
-        # not depend on architecture specific settings or libraries.
-        set(_PYBIND11_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
-        unset(CMAKE_SIZEOF_VOID_P)
-
-        write_basic_package_version_file(
-            ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
-          VERSION
-            ${PROJECT_VERSION}
-          COMPATIBILITY
-            AnyNewerVersion
-        )
-
-        set(CMAKE_SIZEOF_VOID_P ${_PYBIND11_CMAKE_SIZEOF_VOID_P})
-    else()
-        write_basic_package_version_file(
-            ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
-          VERSION
-            ${PROJECT_VERSION}
-          COMPATIBILITY
-            AnyNewerVersion
-          ARCH_INDEPENDENT
-        )
-    endif()
-
-    install(
-      FILES
-        ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
-        ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
-        tools/FindPythonLibsNew.cmake
-        tools/pybind11Tools.cmake
-      DESTINATION
-        ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
-
-    if(NOT PYBIND11_EXPORT_NAME)
-        set(PYBIND11_EXPORT_NAME "${PROJECT_NAME}Targets")
-    endif()
-
-    install(TARGETS pybind11 module embed
-            EXPORT "${PYBIND11_EXPORT_NAME}")
-
-    install(EXPORT "${PYBIND11_EXPORT_NAME}"
-            NAMESPACE "pybind11::"
-            DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
+  install(DIRECTORY ${PYBIND11_INCLUDE_DIR}/pybind11 DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+  # GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share".
+  set(PYBIND11_CMAKECONFIG_INSTALL_DIR
+      "share/cmake/${PROJECT_NAME}"
+      CACHE STRING "install path for pybind11Config.cmake")
+
+  configure_package_config_file(
+    tools/${PROJECT_NAME}Config.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+    INSTALL_DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
+
+  if(CMAKE_VERSION VERSION_LESS 3.14)
+    # Remove CMAKE_SIZEOF_VOID_P from ConfigVersion.cmake since the library does not depend on
+    # architecture specific settings or libraries.
+    set(_PYBIND11_CMAKE_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
+    unset(CMAKE_SIZEOF_VOID_P)
+
+    write_basic_package_version_file(
+      ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
+      VERSION ${PROJECT_VERSION}
+      COMPATIBILITY AnyNewerVersion)
+
+    set(CMAKE_SIZEOF_VOID_P ${_PYBIND11_CMAKE_SIZEOF_VOID_P})
+  else()
+    write_basic_package_version_file(
+      ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
+      VERSION ${PROJECT_VERSION}
+      COMPATIBILITY AnyNewerVersion ARCH_INDEPENDENT)
+  endif()
+
+  install(
+    FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
+          ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
+          tools/FindPythonLibsNew.cmake tools/pybind11Tools.cmake
+    DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
+
+  if(NOT PYBIND11_EXPORT_NAME)
+    set(PYBIND11_EXPORT_NAME "${PROJECT_NAME}Targets")
+  endif()
+
+  install(TARGETS pybind11 module embed EXPORT "${PYBIND11_EXPORT_NAME}")
+
+  install(
+    EXPORT "${PYBIND11_EXPORT_NAME}"
+    NAMESPACE "pybind11::"
+    DESTINATION ${PYBIND11_CMAKECONFIG_INSTALL_DIR})
 endif()